# HG changeset patch # User mpm@selenic.com # Date 2005-08-27 21:21:25 # Node ID 142b5d5ec9cc680ac1af2bd0d39a52097daa5b86 # Parent 39b916b1d8e4ff9025e25990ee4a94f7d466bfe4 Break apart hg.py - move the various parts of hg.py into their own files - create node.py to store node manipulation functions diff --git a/mercurial/hg.py b/mercurial/changelog.py copy from mercurial/hg.py copy to mercurial/changelog.py --- a/mercurial/hg.py +++ b/mercurial/changelog.py @@ -9,255 +9,7 @@ import sys, struct, os import util from revlog import * from demandload import * -demandload(globals(), "re lock urllib urllib2 transaction time socket") -demandload(globals(), "tempfile httprangereader bdiff urlparse") -demandload(globals(), "bisect errno select stat") - -class filelog(revlog): - def __init__(self, opener, path): - revlog.__init__(self, opener, - os.path.join("data", self.encodedir(path + ".i")), - os.path.join("data", self.encodedir(path + ".d"))) - - # This avoids a collision between a file named foo and a dir named - # foo.i or foo.d - def encodedir(self, path): - return (path - .replace(".hg/", ".hg.hg/") - .replace(".i/", ".i.hg/") - .replace(".d/", ".d.hg/")) - - def decodedir(self, path): - return (path - .replace(".d.hg/", ".d/") - .replace(".i.hg/", ".i/") - .replace(".hg.hg/", ".hg/")) - - def read(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - return t[s+2:] - - def readmeta(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - mt = t[2:s] - for l in mt.splitlines(): - k, v = l.split(": ", 1) - m[k] = v - return m - - def add(self, text, meta, transaction, link, p1=None, p2=None): - if meta or text.startswith('\1\n'): - mt = "" - if meta: - mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] - text = "\1\n" + "".join(mt) + "\1\n" + text - return self.addrevision(text, transaction, link, p1, p2) - - def annotate(self, node): - - def decorate(text, rev): - return ([rev] * len(text.splitlines()), text) - - def pair(parent, child): - for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): - child[0][b1:b2] = parent[0][a1:a2] - return child - - # find all ancestors - needed = {node:1} - visit = [node] - while visit: - n = visit.pop(0) - for p in self.parents(n): - if p not in needed: - needed[p] = 1 - visit.append(p) - else: - # count how many times we'll use this - needed[p] += 1 - - # sort by revision which is a topological order - visit = [ (self.rev(n), n) for n in needed.keys() ] - visit.sort() - hist = {} - - for r,n in visit: - curr = decorate(self.read(n), self.linkrev(n)) - for p in self.parents(n): - if p != nullid: - curr = pair(hist[p], curr) - # trim the history of unneeded revs - needed[p] -= 1 - if not needed[p]: - del hist[p] - hist[n] = curr - - return zip(hist[n][0], hist[n][1].splitlines(1)) - -class manifest(revlog): - def __init__(self, opener): - self.mapcache = None - self.listcache = None - self.addlist = None - revlog.__init__(self, opener, "00manifest.i", "00manifest.d") - - def read(self, node): - if node == nullid: return {} # don't upset local cache - if self.mapcache and self.mapcache[0] == node: - return self.mapcache[1] - text = self.revision(node) - map = {} - flag = {} - self.listcache = (text, text.splitlines(1)) - for l in self.listcache[1]: - (f, n) = l.split('\0') - map[f] = bin(n[:40]) - flag[f] = (n[40:-1] == "x") - self.mapcache = (node, map, flag) - return map - - def readflags(self, node): - if node == nullid: return {} # don't upset local cache - if not self.mapcache or self.mapcache[0] != node: - self.read(node) - return self.mapcache[2] - - def diff(self, a, b): - # this is sneaky, as we're not actually using a and b - if self.listcache and self.addlist and self.listcache[0] == a: - d = mdiff.diff(self.listcache[1], self.addlist, 1) - if mdiff.patch(a, d) != b: - sys.stderr.write("*** sortdiff failed, falling back ***\n") - return mdiff.textdiff(a, b) - return d - else: - return mdiff.textdiff(a, b) - - def add(self, map, flags, transaction, link, p1=None, p2=None, - changed=None): - # directly generate the mdiff delta from the data collected during - # the bisect loop below - def gendelta(delta): - i = 0 - result = [] - while i < len(delta): - start = delta[i][2] - end = delta[i][3] - l = delta[i][4] - if l == None: - l = "" - while i < len(delta) - 1 and start <= delta[i+1][2] \ - and end >= delta[i+1][2]: - if delta[i+1][3] > end: - end = delta[i+1][3] - if delta[i+1][4]: - l += delta[i+1][4] - i += 1 - result.append(struct.pack(">lll", start, end, len(l)) + l) - i += 1 - return result - - # apply the changes collected during the bisect loop to our addlist - def addlistdelta(addlist, delta): - # apply the deltas to the addlist. start from the bottom up - # so changes to the offsets don't mess things up. - i = len(delta) - while i > 0: - i -= 1 - start = delta[i][0] - end = delta[i][1] - if delta[i][4]: - addlist[start:end] = [delta[i][4]] - else: - del addlist[start:end] - return addlist - - # calculate the byte offset of the start of each line in the - # manifest - def calcoffsets(addlist): - offsets = [0] * (len(addlist) + 1) - offset = 0 - i = 0 - while i < len(addlist): - offsets[i] = offset - offset += len(addlist[i]) - i += 1 - offsets[i] = offset - return offsets - - # if we're using the listcache, make sure it is valid and - # parented by the same node we're diffing against - if not changed or not self.listcache or not p1 or \ - self.mapcache[0] != p1: - files = map.keys() - files.sort() - - self.addlist = ["%s\000%s%s\n" % - (f, hex(map[f]), flags[f] and "x" or '') - for f in files] - cachedelta = None - else: - addlist = self.listcache[1] - - # find the starting offset for each line in the add list - offsets = calcoffsets(addlist) - - # combine the changed lists into one list for sorting - work = [[x, 0] for x in changed[0]] - work[len(work):] = [[x, 1] for x in changed[1]] - work.sort() - - delta = [] - bs = 0 - - for w in work: - f = w[0] - # bs will either be the index of the item or the insert point - bs = bisect.bisect(addlist, f, bs) - if bs < len(addlist): - fn = addlist[bs][:addlist[bs].index('\0')] - else: - fn = None - if w[1] == 0: - l = "%s\000%s%s\n" % (f, hex(map[f]), - flags[f] and "x" or '') - else: - l = None - start = bs - if fn != f: - # item not found, insert a new one - end = bs - if w[1] == 1: - sys.stderr.write("failed to remove %s from manifest\n" - % f) - sys.exit(1) - else: - # item is found, replace/delete the existing line - end = bs + 1 - delta.append([start, end, offsets[start], offsets[end], l]) - - self.addlist = addlistdelta(addlist, delta) - if self.mapcache[0] == self.tip(): - cachedelta = "".join(gendelta(delta)) - else: - cachedelta = None - - text = "".join(self.addlist) - if cachedelta and mdiff.patch(self.listcache[0], cachedelta) != text: - sys.stderr.write("manifest delta failure\n") - sys.exit(1) - n = self.addrevision(text, transaction, link, p1, p2, cachedelta) - self.mapcache = (n, map, flags) - self.listcache = (text, self.addlist) - self.addlist = None - - return n +demandload(globals(), "time") class changelog(revlog): def __init__(self, opener): @@ -290,2007 +42,3 @@ class changelog(revlog): l = [hex(manifest), user, date] + list + ["", desc] text = "\n".join(l) return self.addrevision(text, transaction, self.count(), p1, p2) - -class dirstate: - def __init__(self, opener, ui, root): - self.opener = opener - self.root = root - self.dirty = 0 - self.ui = ui - self.map = None - self.pl = None - self.copies = {} - self.ignorefunc = None - - def wjoin(self, f): - return os.path.join(self.root, f) - - def getcwd(self): - cwd = os.getcwd() - if cwd == self.root: return '' - return cwd[len(self.root) + 1:] - - def ignore(self, f): - if not self.ignorefunc: - bigpat = [] - try: - l = file(self.wjoin(".hgignore")) - for pat in l: - p = pat.rstrip() - if p: - try: - re.compile(p) - except: - self.ui.warn("ignoring invalid ignore" - + " regular expression '%s'\n" % p) - else: - bigpat.append(p) - except IOError: pass - - if bigpat: - s = "(?:%s)" % (")|(?:".join(bigpat)) - r = re.compile(s) - self.ignorefunc = r.search - else: - self.ignorefunc = util.never - - return self.ignorefunc(f) - - def __del__(self): - if self.dirty: - self.write() - - def __getitem__(self, key): - try: - return self.map[key] - except TypeError: - self.read() - return self[key] - - def __contains__(self, key): - if not self.map: self.read() - return key in self.map - - def parents(self): - if not self.pl: - self.read() - return self.pl - - def markdirty(self): - if not self.dirty: - self.dirty = 1 - - def setparents(self, p1, p2=nullid): - self.markdirty() - self.pl = p1, p2 - - def state(self, key): - try: - return self[key][0] - except KeyError: - return "?" - - def read(self): - if self.map is not None: return self.map - - self.map = {} - self.pl = [nullid, nullid] - try: - st = self.opener("dirstate").read() - if not st: return - except: return - - self.pl = [st[:20], st[20: 40]] - - pos = 40 - while pos < len(st): - e = struct.unpack(">cllll", st[pos:pos+17]) - l = e[4] - pos += 17 - f = st[pos:pos + l] - if '\0' in f: - f, c = f.split('\0') - self.copies[f] = c - self.map[f] = e[:4] - pos += l - - def copy(self, source, dest): - self.read() - self.markdirty() - self.copies[dest] = source - - def copied(self, file): - return self.copies.get(file, None) - - def update(self, files, state, **kw): - ''' current states: - n normal - m needs merging - r marked for removal - a marked for addition''' - - if not files: return - self.read() - self.markdirty() - for f in files: - if state == "r": - self.map[f] = ('r', 0, 0, 0) - else: - s = os.stat(os.path.join(self.root, f)) - st_size = kw.get('st_size', s.st_size) - st_mtime = kw.get('st_mtime', s.st_mtime) - self.map[f] = (state, s.st_mode, st_size, st_mtime) - - def forget(self, files): - if not files: return - self.read() - self.markdirty() - for f in files: - try: - del self.map[f] - except KeyError: - self.ui.warn("not in dirstate: %s!\n" % f) - pass - - def clear(self): - self.map = {} - self.markdirty() - - def write(self): - st = self.opener("dirstate", "w") - st.write("".join(self.pl)) - for f, e in self.map.items(): - c = self.copied(f) - if c: - f = f + "\0" + c - e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) - st.write(e + f) - self.dirty = 0 - - def filterfiles(self, files): - ret = {} - unknown = [] - - for x in files: - if x is '.': - return self.map.copy() - if x not in self.map: - unknown.append(x) - else: - ret[x] = self.map[x] - - if not unknown: - return ret - - b = self.map.keys() - b.sort() - blen = len(b) - - for x in unknown: - bs = bisect.bisect(b, x) - if bs != 0 and b[bs-1] == x: - ret[x] = self.map[x] - continue - while bs < blen: - s = b[bs] - if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/': - ret[s] = self.map[s] - else: - break - bs += 1 - return ret - - def walk(self, files=None, match=util.always, dc=None): - self.read() - - # walk all files by default - if not files: - files = [self.root] - if not dc: - dc = self.map.copy() - elif not dc: - dc = self.filterfiles(files) - - known = {'.hg': 1} - def seen(fn): - if fn in known: return True - known[fn] = 1 - def traverse(): - for ff in util.unique(files): - f = os.path.join(self.root, ff) - try: - st = os.stat(f) - except OSError, inst: - if ff not in dc: self.ui.warn('%s: %s\n' % ( - util.pathto(self.getcwd(), ff), - inst.strerror)) - continue - if stat.S_ISDIR(st.st_mode): - for dir, subdirs, fl in os.walk(f): - d = dir[len(self.root) + 1:] - nd = util.normpath(d) - if nd == '.': nd = '' - if seen(nd): - subdirs[:] = [] - continue - for sd in subdirs: - ds = os.path.join(nd, sd +'/') - if self.ignore(ds) or not match(ds): - subdirs.remove(sd) - subdirs.sort() - fl.sort() - for fn in fl: - fn = util.pconvert(os.path.join(d, fn)) - yield 'f', fn - elif stat.S_ISREG(st.st_mode): - yield 'f', ff - else: - kind = 'unknown' - if stat.S_ISCHR(st.st_mode): kind = 'character device' - elif stat.S_ISBLK(st.st_mode): kind = 'block device' - elif stat.S_ISFIFO(st.st_mode): kind = 'fifo' - elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link' - elif stat.S_ISSOCK(st.st_mode): kind = 'socket' - self.ui.warn('%s: unsupported file type (type is %s)\n' % ( - util.pathto(self.getcwd(), ff), - kind)) - - ks = dc.keys() - ks.sort() - for k in ks: - yield 'm', k - - # yield only files that match: all in dirstate, others only if - # not in .hgignore - - for src, fn in util.unique(traverse()): - fn = util.normpath(fn) - if seen(fn): continue - if fn not in dc and self.ignore(fn): - continue - if match(fn): - yield src, fn - - def changes(self, files=None, match=util.always): - self.read() - if not files: - dc = self.map.copy() - else: - dc = self.filterfiles(files) - lookup, modified, added, unknown = [], [], [], [] - removed, deleted = [], [] - - for src, fn in self.walk(files, match, dc=dc): - try: - s = os.stat(os.path.join(self.root, fn)) - except OSError: - continue - if not stat.S_ISREG(s.st_mode): - continue - c = dc.get(fn) - if c: - del dc[fn] - if c[0] == 'm': - modified.append(fn) - elif c[0] == 'a': - added.append(fn) - elif c[0] == 'r': - unknown.append(fn) - elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100: - modified.append(fn) - elif c[3] != s.st_mtime: - lookup.append(fn) - else: - unknown.append(fn) - - for fn, c in [(fn, c) for fn, c in dc.items() if match(fn)]: - if c[0] == 'r': - removed.append(fn) - else: - deleted.append(fn) - return (lookup, modified, added, removed + deleted, unknown) - -# used to avoid circular references so destructors work -def opener(base): - p = base - def o(path, mode="r"): - if p.startswith("http://"): - f = os.path.join(p, urllib.quote(path)) - return httprangereader.httprangereader(f) - - f = os.path.join(p, path) - - mode += "b" # for that other OS - - if mode[0] != "r": - try: - s = os.stat(f) - except OSError: - d = os.path.dirname(f) - if not os.path.isdir(d): - os.makedirs(d) - else: - if s.st_nlink > 1: - file(f + ".tmp", "wb").write(file(f, "rb").read()) - util.rename(f+".tmp", f) - - return file(f, mode) - - return o - -class RepoError(Exception): pass - -class localrepository: - def __init__(self, ui, path=None, create=0): - self.remote = 0 - if path and path.startswith("http://"): - self.remote = 1 - self.path = path - else: - if not path: - p = os.getcwd() - while not os.path.isdir(os.path.join(p, ".hg")): - oldp = p - p = os.path.dirname(p) - if p == oldp: raise RepoError("no repo found") - path = p - self.path = os.path.join(path, ".hg") - - if not create and not os.path.isdir(self.path): - raise RepoError("repository %s not found" % self.path) - - self.root = os.path.abspath(path) - self.ui = ui - - if create: - os.mkdir(self.path) - os.mkdir(self.join("data")) - - self.opener = opener(self.path) - self.wopener = opener(self.root) - self.manifest = manifest(self.opener) - self.changelog = changelog(self.opener) - self.tagscache = None - self.nodetagscache = None - - if not self.remote: - self.dirstate = dirstate(self.opener, ui, self.root) - try: - self.ui.readconfig(self.opener("hgrc")) - except IOError: pass - - def hook(self, name, **args): - s = self.ui.config("hooks", name) - if s: - self.ui.note("running hook %s: %s\n" % (name, s)) - old = {} - for k, v in args.items(): - k = k.upper() - old[k] = os.environ.get(k, None) - os.environ[k] = v - - r = os.system(s) - - for k, v in old.items(): - if v != None: - os.environ[k] = v - else: - del os.environ[k] - - if r: - self.ui.warn("abort: %s hook failed with status %d!\n" % - (name, r)) - return False - return True - - def tags(self): - '''return a mapping of tag to node''' - if not self.tagscache: - self.tagscache = {} - def addtag(self, k, n): - try: - bin_n = bin(n) - except TypeError: - bin_n = '' - self.tagscache[k.strip()] = bin_n - - try: - # read each head of the tags file, ending with the tip - # and add each tag found to the map, with "newer" ones - # taking precedence - fl = self.file(".hgtags") - h = fl.heads() - h.reverse() - for r in h: - for l in fl.read(r).splitlines(): - if l: - n, k = l.split(" ", 1) - addtag(self, k, n) - except KeyError: - pass - - try: - f = self.opener("localtags") - for l in f: - n, k = l.split(" ", 1) - addtag(self, k, n) - except IOError: - pass - - self.tagscache['tip'] = self.changelog.tip() - - return self.tagscache - - def tagslist(self): - '''return a list of tags ordered by revision''' - l = [] - for t, n in self.tags().items(): - try: - r = self.changelog.rev(n) - except: - r = -2 # sort to the beginning of the list if unknown - l.append((r,t,n)) - l.sort() - return [(t,n) for r,t,n in l] - - def nodetags(self, node): - '''return the tags associated with a node''' - if not self.nodetagscache: - self.nodetagscache = {} - for t,n in self.tags().items(): - self.nodetagscache.setdefault(n,[]).append(t) - return self.nodetagscache.get(node, []) - - def lookup(self, key): - try: - return self.tags()[key] - except KeyError: - try: - return self.changelog.lookup(key) - except: - raise RepoError("unknown revision '%s'" % key) - - def dev(self): - if self.remote: return -1 - return os.stat(self.path).st_dev - - def local(self): - return not self.remote - - def join(self, f): - return os.path.join(self.path, f) - - def wjoin(self, f): - return os.path.join(self.root, f) - - def file(self, f): - if f[0] == '/': f = f[1:] - return filelog(self.opener, f) - - def getcwd(self): - return self.dirstate.getcwd() - - def wfile(self, f, mode='r'): - return self.wopener(f, mode) - - def wread(self, filename): - return self.wopener(filename, 'r').read() - - def wwrite(self, filename, data, fd=None): - if fd: - return fd.write(data) - return self.wopener(filename, 'w').write(data) - - def transaction(self): - # save dirstate for undo - try: - ds = self.opener("dirstate").read() - except IOError: - ds = "" - self.opener("journal.dirstate", "w").write(ds) - - def after(): - util.rename(self.join("journal"), self.join("undo")) - util.rename(self.join("journal.dirstate"), - self.join("undo.dirstate")) - - return transaction.transaction(self.ui.warn, self.opener, - self.join("journal"), after) - - def recover(self): - lock = self.lock() - if os.path.exists(self.join("journal")): - self.ui.status("rolling back interrupted transaction\n") - return transaction.rollback(self.opener, self.join("journal")) - else: - self.ui.warn("no interrupted transaction available\n") - - def undo(self): - lock = self.lock() - if os.path.exists(self.join("undo")): - self.ui.status("rolling back last transaction\n") - transaction.rollback(self.opener, self.join("undo")) - self.dirstate = None - util.rename(self.join("undo.dirstate"), self.join("dirstate")) - self.dirstate = dirstate(self.opener, self.ui, self.root) - else: - self.ui.warn("no undo information available\n") - - def lock(self, wait=1): - try: - return lock.lock(self.join("lock"), 0) - except lock.LockHeld, inst: - if wait: - self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) - return lock.lock(self.join("lock"), wait) - raise inst - - def rawcommit(self, files, text, user, date, p1=None, p2=None): - orig_parent = self.dirstate.parents()[0] or nullid - p1 = p1 or self.dirstate.parents()[0] or nullid - p2 = p2 or self.dirstate.parents()[1] or nullid - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - changed = [] - - if orig_parent == p1: - update_dirstate = 1 - else: - update_dirstate = 0 - - tr = self.transaction() - mm = m1.copy() - mfm = mf1.copy() - linkrev = self.changelog.count() - for f in files: - try: - t = self.wread(f) - tm = util.is_exec(self.wjoin(f), mfm.get(f, False)) - r = self.file(f) - mfm[f] = tm - - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - mm[f] = fp1 - continue - - mm[f] = r.add(t, {}, tr, linkrev, fp1, fp2) - changed.append(f) - if update_dirstate: - self.dirstate.update([f], "n") - except IOError: - try: - del mm[f] - del mfm[f] - if update_dirstate: - self.dirstate.forget([f]) - except: - # deleted from p2? - pass - - mnode = self.manifest.add(mm, mfm, tr, linkrev, c1[0], c2[0]) - user = user or self.ui.username() - n = self.changelog.add(mnode, changed, text, tr, p1, p2, user, date) - tr.close() - if update_dirstate: - self.dirstate.setparents(n, nullid) - - def commit(self, files = None, text = "", user = None, date = None, - match = util.always, force=False): - commit = [] - remove = [] - changed = [] - - if files: - for f in files: - s = self.dirstate.state(f) - if s in 'nmai': - commit.append(f) - elif s == 'r': - remove.append(f) - else: - self.ui.warn("%s not tracked!\n" % f) - else: - (c, a, d, u) = self.changes(match=match) - commit = c + a - remove = d - - p1, p2 = self.dirstate.parents() - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - - if not commit and not remove and not force and p2 == nullid: - self.ui.status("nothing changed\n") - return None - - if not self.hook("precommit"): - return None - - lock = self.lock() - tr = self.transaction() - - # check in files - new = {} - linkrev = self.changelog.count() - commit.sort() - for f in commit: - self.ui.note(f + "\n") - try: - mf1[f] = util.is_exec(self.wjoin(f), mf1.get(f, False)) - t = self.wread(f) - except IOError: - self.ui.warn("trouble committing %s!\n" % f) - raise - - meta = {} - cp = self.dirstate.copied(f) - if cp: - meta["copy"] = cp - meta["copyrev"] = hex(m1.get(cp, m2.get(cp, nullid))) - self.ui.debug(" %s: copy %s:%s\n" % (f, cp, meta["copyrev"])) - - r = self.file(f) - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if not meta and t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - new[f] = fp1 - continue - - new[f] = r.add(t, meta, tr, linkrev, fp1, fp2) - # remember what we've added so that we can later calculate - # the files to pull from a set of changesets - changed.append(f) - - # update manifest - m1.update(new) - for f in remove: - if f in m1: - del m1[f] - mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0], - (new, remove)) - - # add changeset - new = new.keys() - new.sort() - - if not text: - edittext = "" - if p2 != nullid: - edittext += "HG: branch merge\n" - edittext += "\n" + "HG: manifest hash %s\n" % hex(mn) - edittext += "".join(["HG: changed %s\n" % f for f in changed]) - edittext += "".join(["HG: removed %s\n" % f for f in remove]) - if not changed and not remove: - edittext += "HG: no files changed\n" - edittext = self.ui.edit(edittext) - if not edittext.rstrip(): - return None - text = edittext - - user = user or self.ui.username() - n = self.changelog.add(mn, changed, text, tr, p1, p2, user, date) - tr.close() - - self.dirstate.setparents(n) - self.dirstate.update(new, "n") - self.dirstate.forget(remove) - - if not self.hook("commit", node=hex(n)): - return None - return n - - def walk(self, node=None, files=[], match=util.always): - if node: - for fn in self.manifest.read(self.changelog.read(node)[0]): - if match(fn): yield 'm', fn - else: - for src, fn in self.dirstate.walk(files, match): - yield src, fn - - def changes(self, node1 = None, node2 = None, files = [], - match = util.always): - mf2, u = None, [] - - def fcmp(fn, mf): - t1 = self.wread(fn) - t2 = self.file(fn).read(mf.get(fn, nullid)) - return cmp(t1, t2) - - def mfmatches(node): - mf = dict(self.manifest.read(node)) - for fn in mf.keys(): - if not match(fn): - del mf[fn] - return mf - - # are we comparing the working directory? - if not node2: - l, c, a, d, u = self.dirstate.changes(files, match) - - # are we comparing working dir against its parent? - if not node1: - if l: - # do a full compare of any files that might have changed - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in l: - if fcmp(f, mf2): - c.append(f) - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - # are we comparing working dir against non-tip? - # generate a pseudo-manifest for the working dir - if not node2: - if not mf2: - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in a + c + l: - mf2[f] = "" - for f in d: - if f in mf2: del mf2[f] - else: - change = self.changelog.read(node2) - mf2 = mfmatches(change[0]) - - # flush lists from dirstate before comparing manifests - c, a = [], [] - - change = self.changelog.read(node1) - mf1 = mfmatches(change[0]) - - for fn in mf2: - if mf1.has_key(fn): - if mf1[fn] != mf2[fn]: - if mf2[fn] != "" or fcmp(fn, mf1): - c.append(fn) - del mf1[fn] - else: - a.append(fn) - - d = mf1.keys() - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - def add(self, list): - for f in list: - p = self.wjoin(f) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % f) - elif not os.path.isfile(p): - self.ui.warn("%s not added: only files supported currently\n" % f) - elif self.dirstate.state(f) in 'an': - self.ui.warn("%s already tracked!\n" % f) - else: - self.dirstate.update([f], "a") - - def forget(self, list): - for f in list: - if self.dirstate.state(f) not in 'ai': - self.ui.warn("%s not added!\n" % f) - else: - self.dirstate.forget([f]) - - def remove(self, list): - for f in list: - p = self.wjoin(f) - if os.path.exists(p): - self.ui.warn("%s still exists!\n" % f) - elif self.dirstate.state(f) == 'a': - self.ui.warn("%s never committed!\n" % f) - self.dirstate.forget([f]) - elif f not in self.dirstate: - self.ui.warn("%s not tracked!\n" % f) - else: - self.dirstate.update([f], "r") - - def copy(self, source, dest): - p = self.wjoin(dest) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % dest) - elif not os.path.isfile(p): - self.ui.warn("copy failed: %s is not a file\n" % dest) - else: - if self.dirstate.state(dest) == '?': - self.dirstate.update([dest], "a") - self.dirstate.copy(source, dest) - - def heads(self): - return self.changelog.heads() - - # branchlookup returns a dict giving a list of branches for - # each head. A branch is defined as the tag of a node or - # the branch of the node's parents. If a node has multiple - # branch tags, tags are eliminated if they are visible from other - # branch tags. - # - # So, for this graph: a->b->c->d->e - # \ / - # aa -----/ - # a has tag 2.6.12 - # d has tag 2.6.13 - # e would have branch tags for 2.6.12 and 2.6.13. Because the node - # for 2.6.12 can be reached from the node 2.6.13, that is eliminated - # from the list. - # - # It is possible that more than one head will have the same branch tag. - # callers need to check the result for multiple heads under the same - # branch tag if that is a problem for them (ie checkout of a specific - # branch). - # - # passing in a specific branch will limit the depth of the search - # through the parents. It won't limit the branches returned in the - # result though. - def branchlookup(self, heads=None, branch=None): - if not heads: - heads = self.heads() - headt = [ h for h in heads ] - chlog = self.changelog - branches = {} - merges = [] - seenmerge = {} - - # traverse the tree once for each head, recording in the branches - # dict which tags are visible from this head. The branches - # dict also records which tags are visible from each tag - # while we traverse. - while headt or merges: - if merges: - n, found = merges.pop() - visit = [n] - else: - h = headt.pop() - visit = [h] - found = [h] - seen = {} - while visit: - n = visit.pop() - if n in seen: - continue - pp = chlog.parents(n) - tags = self.nodetags(n) - if tags: - for x in tags: - if x == 'tip': - continue - for f in found: - branches.setdefault(f, {})[n] = 1 - branches.setdefault(n, {})[n] = 1 - break - if n not in found: - found.append(n) - if branch in tags: - continue - seen[n] = 1 - if pp[1] != nullid and n not in seenmerge: - merges.append((pp[1], [x for x in found])) - seenmerge[n] = 1 - if pp[0] != nullid: - visit.append(pp[0]) - # traverse the branches dict, eliminating branch tags from each - # head that are visible from another branch tag for that head. - out = {} - viscache = {} - for h in heads: - def visible(node): - if node in viscache: - return viscache[node] - ret = {} - visit = [node] - while visit: - x = visit.pop() - if x in viscache: - ret.update(viscache[x]) - elif x not in ret: - ret[x] = 1 - if x in branches: - visit[len(visit):] = branches[x].keys() - viscache[node] = ret - return ret - if h not in branches: - continue - # O(n^2), but somewhat limited. This only searches the - # tags visible from a specific head, not all the tags in the - # whole repo. - for b in branches[h]: - vis = False - for bb in branches[h].keys(): - if b != bb: - if b in visible(bb): - vis = True - break - if not vis: - l = out.setdefault(h, []) - l[len(l):] = self.nodetags(b) - return out - - def branches(self, nodes): - if not nodes: nodes = [self.changelog.tip()] - b = [] - for n in nodes: - t = n - while n: - p = self.changelog.parents(n) - if p[1] != nullid or p[0] == nullid: - b.append((t, n, p[0], p[1])) - break - n = p[0] - return b - - def between(self, pairs): - r = [] - - for top, bottom in pairs: - n, l, i = top, [], 0 - f = 1 - - while n != bottom: - p = self.changelog.parents(n)[0] - if i == f: - l.append(n) - f = f * 2 - n = p - i += 1 - - r.append(l) - - return r - - def newer(self, nodes): - m = {} - nl = [] - pm = {} - cl = self.changelog - t = l = cl.count() - - # find the lowest numbered node - for n in nodes: - l = min(l, cl.rev(n)) - m[n] = 1 - - for i in xrange(l, t): - n = cl.node(i) - if n in m: # explicitly listed - pm[n] = 1 - nl.append(n) - continue - for p in cl.parents(n): - if p in pm: # parent listed - pm[n] = 1 - nl.append(n) - break - - return nl - - def findincoming(self, remote, base=None, heads=None): - m = self.changelog.nodemap - search = [] - fetch = {} - seen = {} - seenbranch = {} - if base == None: - base = {} - - # assume we're closer to the tip than the root - # and start by examining the heads - self.ui.status("searching for changes\n") - - if not heads: - heads = remote.heads() - - unknown = [] - for h in heads: - if h not in m: - unknown.append(h) - else: - base[h] = 1 - - if not unknown: - return None - - rep = {} - reqcnt = 0 - - # search through remote branches - # a 'branch' here is a linear segment of history, with four parts: - # head, root, first parent, second parent - # (a branch always has two parents (or none) by definition) - unknown = remote.branches(unknown) - while unknown: - r = [] - while unknown: - n = unknown.pop(0) - if n[0] in seen: - continue - - self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) - if n[0] == nullid: - break - if n in seenbranch: - self.ui.debug("branch already found\n") - continue - if n[1] and n[1] in m: # do we know the base? - self.ui.debug("found incomplete branch %s:%s\n" - % (short(n[0]), short(n[1]))) - search.append(n) # schedule branch range for scanning - seenbranch[n] = 1 - else: - if n[1] not in seen and n[1] not in fetch: - if n[2] in m and n[3] in m: - self.ui.debug("found new changeset %s\n" % - short(n[1])) - fetch[n[1]] = 1 # earliest unknown - base[n[2]] = 1 # latest known - continue - - for a in n[2:4]: - if a not in rep: - r.append(a) - rep[a] = 1 - - seen[n[0]] = 1 - - if r: - reqcnt += 1 - self.ui.debug("request %d: %s\n" % - (reqcnt, " ".join(map(short, r)))) - for p in range(0, len(r), 10): - for b in remote.branches(r[p:p+10]): - self.ui.debug("received %s:%s\n" % - (short(b[0]), short(b[1]))) - if b[0] in m: - self.ui.debug("found base node %s\n" % short(b[0])) - base[b[0]] = 1 - elif b[0] not in seen: - unknown.append(b) - - # do binary search on the branches we found - while search: - n = search.pop(0) - reqcnt += 1 - l = remote.between([(n[0], n[1])])[0] - l.append(n[1]) - p = n[0] - f = 1 - for i in l: - self.ui.debug("narrowing %d:%d %s\n" % (f, len(l), short(i))) - if i in m: - if f <= 2: - self.ui.debug("found new branch changeset %s\n" % - short(p)) - fetch[p] = 1 - base[i] = 1 - else: - self.ui.debug("narrowed branch search to %s:%s\n" - % (short(p), short(i))) - search.append((p, i)) - break - p, f = i, f * 2 - - # sanity check our fetch list - for f in fetch.keys(): - if f in m: - raise RepoError("already have changeset " + short(f[:4])) - - if base.keys() == [nullid]: - self.ui.warn("warning: pulling from an unrelated repository!\n") - - self.ui.note("found new changesets starting at " + - " ".join([short(f) for f in fetch]) + "\n") - - self.ui.debug("%d total queries\n" % reqcnt) - - return fetch.keys() - - def findoutgoing(self, remote, base=None, heads=None): - if base == None: - base = {} - self.findincoming(remote, base, heads) - - self.ui.debug("common changesets up to " - + " ".join(map(short, base.keys())) + "\n") - - remain = dict.fromkeys(self.changelog.nodemap) - - # prune everything remote has from the tree - del remain[nullid] - remove = base.keys() - while remove: - n = remove.pop(0) - if n in remain: - del remain[n] - for p in self.changelog.parents(n): - remove.append(p) - - # find every node whose parents have been pruned - subset = [] - for n in remain: - p1, p2 = self.changelog.parents(n) - if p1 not in remain and p2 not in remain: - subset.append(n) - - # this is the set of all roots we have to push - return subset - - def pull(self, remote): - lock = self.lock() - - # if we have an empty repo, fetch everything - if self.changelog.tip() == nullid: - self.ui.status("requesting all changes\n") - fetch = [nullid] - else: - fetch = self.findincoming(remote) - - if not fetch: - self.ui.status("no changes found\n") - return 1 - - cg = remote.changegroup(fetch) - return self.addchangegroup(cg) - - def push(self, remote, force=False): - lock = remote.lock() - - base = {} - heads = remote.heads() - inc = self.findincoming(remote, base, heads) - if not force and inc: - self.ui.warn("abort: unsynced remote changes!\n") - self.ui.status("(did you forget to sync? use push -f to force)\n") - return 1 - - update = self.findoutgoing(remote, base) - if not update: - self.ui.status("no changes found\n") - return 1 - elif not force: - if len(heads) < len(self.changelog.heads()): - self.ui.warn("abort: push creates new remote branches!\n") - self.ui.status("(did you forget to merge?" + - " use push -f to force)\n") - return 1 - - cg = self.changegroup(update) - return remote.addchangegroup(cg) - - def changegroup(self, basenodes): - class genread: - def __init__(self, generator): - self.g = generator - self.buf = "" - def fillbuf(self): - self.buf += "".join(self.g) - - def read(self, l): - while l > len(self.buf): - try: - self.buf += self.g.next() - except StopIteration: - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - def gengroup(): - nodes = self.newer(basenodes) - - # construct the link map - linkmap = {} - for n in nodes: - linkmap[self.changelog.rev(n)] = n - - # construct a list of all changed files - changed = {} - for n in nodes: - c = self.changelog.read(n) - for f in c[3]: - changed[f] = 1 - changed = changed.keys() - changed.sort() - - # the changegroup is changesets + manifests + all file revs - revs = [ self.changelog.rev(n) for n in nodes ] - - for y in self.changelog.group(linkmap): yield y - for y in self.manifest.group(linkmap): yield y - for f in changed: - yield struct.pack(">l", len(f) + 4) + f - g = self.file(f).group(linkmap) - for y in g: - yield y - - yield struct.pack(">l", 0) - - return genread(gengroup()) - - def addchangegroup(self, source): - - def getchunk(): - d = source.read(4) - if not d: return "" - l = struct.unpack(">l", d)[0] - if l <= 4: return "" - return source.read(l - 4) - - def getgroup(): - while 1: - c = getchunk() - if not c: break - yield c - - def csmap(x): - self.ui.debug("add changeset %s\n" % short(x)) - return self.changelog.count() - - def revmap(x): - return self.changelog.rev(x) - - if not source: return - changesets = files = revisions = 0 - - tr = self.transaction() - - oldheads = len(self.changelog.heads()) - - # pull off the changeset group - self.ui.status("adding changesets\n") - co = self.changelog.tip() - cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique - changesets = self.changelog.rev(cn) - self.changelog.rev(co) - - # pull off the manifest group - self.ui.status("adding manifests\n") - mm = self.manifest.tip() - mo = self.manifest.addgroup(getgroup(), revmap, tr) - - # process the files - self.ui.status("adding file changes\n") - while 1: - f = getchunk() - if not f: break - self.ui.debug("adding %s revisions\n" % f) - fl = self.file(f) - o = fl.count() - n = fl.addgroup(getgroup(), revmap, tr) - revisions += fl.count() - o - files += 1 - - newheads = len(self.changelog.heads()) - heads = "" - if oldheads and newheads > oldheads: - heads = " (+%d heads)" % (newheads - oldheads) - - self.ui.status(("added %d changesets" + - " with %d changes to %d files%s\n") - % (changesets, revisions, files, heads)) - - tr.close() - - if not self.hook("changegroup"): - return 1 - - return - - def update(self, node, allow=False, force=False, choose=None, - moddirstate=True): - pl = self.dirstate.parents() - if not force and pl[1] != nullid: - self.ui.warn("aborting: outstanding uncommitted merges\n") - return 1 - - p1, p2 = pl[0], node - pa = self.changelog.ancestor(p1, p2) - m1n = self.changelog.read(p1)[0] - m2n = self.changelog.read(p2)[0] - man = self.manifest.ancestor(m1n, m2n) - m1 = self.manifest.read(m1n) - mf1 = self.manifest.readflags(m1n) - m2 = self.manifest.read(m2n) - mf2 = self.manifest.readflags(m2n) - ma = self.manifest.read(man) - mfa = self.manifest.readflags(man) - - (c, a, d, u) = self.changes() - - # is this a jump, or a merge? i.e. is there a linear path - # from p1 to p2? - linear_path = (pa == p1 or pa == p2) - - # resolve the manifest to determine which files - # we care about merging - self.ui.note("resolving manifests\n") - self.ui.debug(" force %s allow %s moddirstate %s linear %s\n" % - (force, allow, moddirstate, linear_path)) - self.ui.debug(" ancestor %s local %s remote %s\n" % - (short(man), short(m1n), short(m2n))) - - merge = {} - get = {} - remove = [] - - # construct a working dir manifest - mw = m1.copy() - mfw = mf1.copy() - umap = dict.fromkeys(u) - - for f in a + c + u: - mw[f] = "" - mfw[f] = util.is_exec(self.wjoin(f), mfw.get(f, False)) - - for f in d: - if f in mw: del mw[f] - - # If we're jumping between revisions (as opposed to merging), - # and if neither the working directory nor the target rev has - # the file, then we need to remove it from the dirstate, to - # prevent the dirstate from listing the file when it is no - # longer in the manifest. - if moddirstate and linear_path and f not in m2: - self.dirstate.forget((f,)) - - # Compare manifests - for f, n in mw.iteritems(): - if choose and not choose(f): continue - if f in m2: - s = 0 - - # is the wfile new since m1, and match m2? - if f not in m1: - t1 = self.wread(f) - t2 = self.file(f).read(m2[f]) - if cmp(t1, t2) == 0: - n = m2[f] - del t1, t2 - - # are files different? - if n != m2[f]: - a = ma.get(f, nullid) - # are both different from the ancestor? - if n != a and m2[f] != a: - self.ui.debug(" %s versions differ, resolve\n" % f) - # merge executable bits - # "if we changed or they changed, change in merge" - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - merge[f] = (m1.get(f, nullid), m2[f], mode) - s = 1 - # are we clobbering? - # is remote's version newer? - # or are we going back in time? - elif force or m2[f] != a or (p2 == pa and mw[f] == m1[f]): - self.ui.debug(" remote %s is newer, get\n" % f) - get[f] = m2[f] - s = 1 - elif f in umap: - # this unknown file is the same as the checkout - get[f] = m2[f] - - if not s and mfw[f] != mf2[f]: - if force: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mf2[f]) - else: - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - if mode != b: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mode) - del m2[f] - elif f in ma: - if n != ma[f]: - r = "d" - if not force and (linear_path or allow): - r = self.ui.prompt( - (" local changed %s which remote deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "d": - remove.append(f) - else: - self.ui.debug("other deleted %s\n" % f) - remove.append(f) # other deleted it - else: - if n == m1.get(f, nullid): # same as parent - if p2 == pa: # going backwards? - self.ui.debug("remote deleted %s\n" % f) - remove.append(f) - else: - self.ui.debug("local created %s, keeping\n" % f) - else: - self.ui.debug("working dir created %s, keeping\n" % f) - - for f, n in m2.iteritems(): - if choose and not choose(f): continue - if f[0] == "/": continue - if f in ma and n != ma[f]: - r = "k" - if not force and (linear_path or allow): - r = self.ui.prompt( - ("remote changed %s which local deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "k": get[f] = n - elif f not in ma: - self.ui.debug("remote created %s\n" % f) - get[f] = n - else: - if force or p2 == pa: # going backwards? - self.ui.debug("local deleted %s, recreating\n" % f) - get[f] = n - else: - self.ui.debug("local deleted %s\n" % f) - - del mw, m1, m2, ma - - if force: - for f in merge: - get[f] = merge[f][1] - merge = {} - - if linear_path or force: - # we don't need to do any magic, just jump to the new rev - branch_merge = False - p1, p2 = p2, nullid - else: - if not allow: - self.ui.status("this update spans a branch" + - " affecting the following files:\n") - fl = merge.keys() + get.keys() - fl.sort() - for f in fl: - cf = "" - if f in merge: cf = " (resolve)" - self.ui.status(" %s%s\n" % (f, cf)) - self.ui.warn("aborting update spanning branches!\n") - self.ui.status("(use update -m to merge across branches" + - " or -C to lose changes)\n") - return 1 - branch_merge = True - - if moddirstate: - self.dirstate.setparents(p1, p2) - - # get the files we don't need to change - files = get.keys() - files.sort() - for f in files: - if f[0] == "/": continue - self.ui.note("getting %s\n" % f) - t = self.file(f).read(get[f]) - try: - self.wwrite(f, t) - except IOError: - os.makedirs(os.path.dirname(self.wjoin(f))) - self.wwrite(f, t) - util.set_exec(self.wjoin(f), mf2[f]) - if moddirstate: - if branch_merge: - self.dirstate.update([f], 'n', st_mtime=-1) - else: - self.dirstate.update([f], 'n') - - # merge the tricky bits - files = merge.keys() - files.sort() - for f in files: - self.ui.status("merging %s\n" % f) - my, other, flag = merge[f] - self.merge3(f, my, other) - util.set_exec(self.wjoin(f), flag) - if moddirstate: - if branch_merge: - # We've done a branch merge, mark this file as merged - # so that we properly record the merger later - self.dirstate.update([f], 'm') - else: - # We've update-merged a locally modified file, so - # we set the dirstate to emulate a normal checkout - # of that file some time in the past. Thus our - # merge will appear as a normal local file - # modification. - f_len = len(self.file(f).read(other)) - self.dirstate.update([f], 'n', st_size=f_len, st_mtime=-1) - - remove.sort() - for f in remove: - self.ui.note("removing %s\n" % f) - try: - os.unlink(self.wjoin(f)) - except OSError, inst: - self.ui.warn("update failed to remove %s: %s!\n" % (f, inst)) - # try removing directories that might now be empty - try: os.removedirs(os.path.dirname(self.wjoin(f))) - except: pass - if moddirstate: - if branch_merge: - self.dirstate.update(remove, 'r') - else: - self.dirstate.forget(remove) - - def merge3(self, fn, my, other): - """perform a 3-way merge in the working directory""" - - def temp(prefix, node): - pre = "%s~%s." % (os.path.basename(fn), prefix) - (fd, name) = tempfile.mkstemp("", pre) - f = os.fdopen(fd, "wb") - self.wwrite(fn, fl.read(node), f) - f.close() - return name - - fl = self.file(fn) - base = fl.ancestor(my, other) - a = self.wjoin(fn) - b = temp("base", base) - c = temp("other", other) - - self.ui.note("resolving %s\n" % fn) - self.ui.debug("file %s: other %s ancestor %s\n" % - (fn, short(other), short(base))) - - cmd = (os.environ.get("HGMERGE") or self.ui.config("ui", "merge") - or "hgmerge") - r = os.system("%s %s %s %s" % (cmd, a, b, c)) - if r: - self.ui.warn("merging %s failed!\n" % fn) - - os.unlink(b) - os.unlink(c) - - def verify(self): - filelinkrevs = {} - filenodes = {} - changesets = revisions = files = 0 - errors = 0 - - seen = {} - self.ui.status("checking changesets\n") - for i in range(self.changelog.count()): - changesets += 1 - n = self.changelog.node(i) - if n in seen: - self.ui.warn("duplicate changeset at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.changelog.parents(n): - if p not in self.changelog.nodemap: - self.ui.warn("changeset %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - try: - changes = self.changelog.read(n) - except Exception, inst: - self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) - errors += 1 - - for f in changes[3]: - filelinkrevs.setdefault(f, []).append(i) - - seen = {} - self.ui.status("checking manifests\n") - for i in range(self.manifest.count()): - n = self.manifest.node(i) - if n in seen: - self.ui.warn("duplicate manifest at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.manifest.parents(n): - if p not in self.manifest.nodemap: - self.ui.warn("manifest %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - - try: - delta = mdiff.patchtext(self.manifest.delta(n)) - except KeyboardInterrupt: - self.ui.warn("aborted") - sys.exit(0) - except Exception, inst: - self.ui.warn("unpacking manifest %s: %s\n" - % (short(n), inst)) - errors += 1 - - ff = [ l.split('\0') for l in delta.splitlines() ] - for f, fn in ff: - filenodes.setdefault(f, {})[bin(fn[:40])] = 1 - - self.ui.status("crosschecking files in changesets and manifests\n") - for f in filenodes: - if f not in filelinkrevs: - self.ui.warn("file %s in manifest but not in changesets\n" % f) - errors += 1 - - for f in filelinkrevs: - if f not in filenodes: - self.ui.warn("file %s in changeset but not in manifest\n" % f) - errors += 1 - - self.ui.status("checking files\n") - ff = filenodes.keys() - ff.sort() - for f in ff: - if f == "/dev/null": continue - files += 1 - fl = self.file(f) - nodes = { nullid: 1 } - seen = {} - for i in range(fl.count()): - revisions += 1 - n = fl.node(i) - - if n in seen: - self.ui.warn("%s: duplicate revision %d\n" % (f, i)) - errors += 1 - - if n not in filenodes[f]: - self.ui.warn("%s: %d:%s not in manifests\n" - % (f, i, short(n))) - errors += 1 - else: - del filenodes[f][n] - - flr = fl.linkrev(n) - if flr not in filelinkrevs[f]: - self.ui.warn("%s:%s points to unexpected changeset %d\n" - % (f, short(n), fl.linkrev(n))) - errors += 1 - else: - filelinkrevs[f].remove(flr) - - # verify contents - try: - t = fl.read(n) - except Exception, inst: - self.ui.warn("unpacking file %s %s: %s\n" - % (f, short(n), inst)) - errors += 1 - - # verify parents - (p1, p2) = fl.parents(n) - if p1 not in nodes: - self.ui.warn("file %s:%s unknown parent 1 %s" % - (f, short(n), short(p1))) - errors += 1 - if p2 not in nodes: - self.ui.warn("file %s:%s unknown parent 2 %s" % - (f, short(n), short(p1))) - errors += 1 - nodes[n] = 1 - - # cross-check - for node in filenodes[f]: - self.ui.warn("node %s in manifests not in %s\n" - % (hex(node), f)) - errors += 1 - - self.ui.status("%d files, %d changesets, %d total revisions\n" % - (files, changesets, revisions)) - - if errors: - self.ui.warn("%d integrity errors encountered!\n" % errors) - return 1 - -class remoterepository: - def local(self): - return False - -class httprepository(remoterepository): - def __init__(self, ui, path): - # fix missing / after hostname - s = urlparse.urlsplit(path) - partial = s[2] - if not partial: partial = "/" - self.url = urlparse.urlunsplit((s[0], s[1], partial, '', '')) - self.ui = ui - no_list = [ "localhost", "127.0.0.1" ] - host = ui.config("http_proxy", "host") - if host is None: - host = os.environ.get("http_proxy") - if host and host.startswith('http://'): - host = host[7:] - user = ui.config("http_proxy", "user") - passwd = ui.config("http_proxy", "passwd") - no = ui.config("http_proxy", "no") - if no is None: - no = os.environ.get("no_proxy") - if no: - no_list = no_list + no.split(",") - - no_proxy = 0 - for h in no_list: - if (path.startswith("http://" + h + "/") or - path.startswith("http://" + h + ":") or - path == "http://" + h): - no_proxy = 1 - - # Note: urllib2 takes proxy values from the environment and those will - # take precedence - for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: - try: - if os.environ.has_key(env): - del os.environ[env] - except OSError: - pass - - proxy_handler = urllib2.BaseHandler() - if host and not no_proxy: - proxy_handler = urllib2.ProxyHandler({"http" : "http://" + host}) - - authinfo = None - if user and passwd: - passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm() - passmgr.add_password(None, host, user, passwd) - authinfo = urllib2.ProxyBasicAuthHandler(passmgr) - - opener = urllib2.build_opener(proxy_handler, authinfo) - urllib2.install_opener(opener) - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - q = {"cmd": cmd} - q.update(args) - qs = urllib.urlencode(q) - cu = "%s?%s" % (self.url, qs) - resp = urllib2.urlopen(cu) - proto = resp.headers['content-type'] - - # accept old "text/plain" and "application/hg-changegroup" for now - if not proto.startswith('application/mercurial') and \ - not proto.startswith('text/plain') and \ - not proto.startswith('application/hg-changegroup'): - raise RepoError("'%s' does not appear to be an hg repository" - % self.url) - - if proto.startswith('application/mercurial'): - version = proto[22:] - if float(version) > 0.1: - raise RepoError("'%s' uses newer protocol %s" % - (self.url, version)) - - return resp - - def heads(self): - d = self.do_cmd("heads").read() - try: - return map(bin, d[:-1].split(" ")) - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.do_cmd("branches", nodes=n).read() - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.do_cmd("between", pairs=n).read() - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - bytes = 0 - - class zread: - def __init__(self, f): - self.zd = zlib.decompressobj() - self.f = f - self.buf = "" - def read(self, l): - while l > len(self.buf): - r = self.f.read(4096) - if r: - self.buf += self.zd.decompress(r) - else: - self.buf += self.zd.flush() - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - return zread(f) - -class remotelock: - def __init__(self, repo): - self.repo = repo - def release(self): - self.repo.unlock() - self.repo = None - def __del__(self): - if self.repo: - self.release() - -class sshrepository(remoterepository): - def __init__(self, ui, path): - self.url = path - self.ui = ui - - m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?', path) - if not m: - raise RepoError("couldn't parse destination %s" % path) - - self.user = m.group(2) - self.host = m.group(3) - self.port = m.group(5) - self.path = m.group(7) or "." - - args = self.user and ("%s@%s" % (self.user, self.host)) or self.host - args = self.port and ("%s -p %s") % (args, self.port) or args - - sshcmd = self.ui.config("ui", "ssh", "ssh") - remotecmd = self.ui.config("ui", "remotecmd", "hg") - cmd = "%s %s '%s -R %s serve --stdio'" - cmd = cmd % (sshcmd, args, remotecmd, self.path) - - self.pipeo, self.pipei, self.pipee = os.popen3(cmd) - - def readerr(self): - while 1: - r,w,x = select.select([self.pipee], [], [], 0) - if not r: break - l = self.pipee.readline() - if not l: break - self.ui.status("remote: ", l) - - def __del__(self): - try: - self.pipeo.close() - self.pipei.close() - for l in self.pipee: - self.ui.status("remote: ", l) - self.pipee.close() - except: - pass - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - self.pipeo.write("%s\n" % cmd) - for k, v in args.items(): - self.pipeo.write("%s %d\n" % (k, len(v))) - self.pipeo.write(v) - self.pipeo.flush() - - return self.pipei - - def call(self, cmd, **args): - r = self.do_cmd(cmd, **args) - l = r.readline() - self.readerr() - try: - l = int(l) - except: - raise RepoError("unexpected response '%s'" % l) - return r.read(l) - - def lock(self): - self.call("lock") - return remotelock(self) - - def unlock(self): - self.call("unlock") - - def heads(self): - d = self.call("heads") - try: - return map(bin, d[:-1].split(" ")) - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.call("branches", nodes=n) - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.call("between", pairs=n) - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - return self.pipei - - def addchangegroup(self, cg): - d = self.call("addchangegroup") - if d: - raise RepoError("push refused: %s", d) - - while 1: - d = cg.read(4096) - if not d: break - self.pipeo.write(d) - self.readerr() - - self.pipeo.flush() - - self.readerr() - l = int(self.pipei.readline()) - return self.pipei.read(l) != "" - -class httpsrepository(httprepository): - pass - -def repository(ui, path=None, create=0): - if path: - if path.startswith("http://"): - return httprepository(ui, path) - if path.startswith("https://"): - return httpsrepository(ui, path) - if path.startswith("hg://"): - return httprepository(ui, path.replace("hg://", "http://")) - if path.startswith("old-http://"): - return localrepository(ui, path.replace("old-http://", "http://")) - if path.startswith("ssh://"): - return sshrepository(ui, path) - - return localrepository(ui, path, create) diff --git a/mercurial/hg.py b/mercurial/dirstate.py copy from mercurial/hg.py copy to mercurial/dirstate.py --- a/mercurial/hg.py +++ b/mercurial/dirstate.py @@ -1,295 +1,16 @@ -# hg.py - repository classes for mercurial -# -# Copyright 2005 Matt Mackall -# -# This software may be used and distributed according to the terms -# of the GNU General Public License, incorporated herein by reference. +""" +dirstate.py - working directory tracking for mercurial + +Copyright 2005 Matt Mackall + +This software may be used and distributed according to the terms +of the GNU General Public License, incorporated herein by reference. +""" import sys, struct, os -import util from revlog import * from demandload import * -demandload(globals(), "re lock urllib urllib2 transaction time socket") -demandload(globals(), "tempfile httprangereader bdiff urlparse") -demandload(globals(), "bisect errno select stat") - -class filelog(revlog): - def __init__(self, opener, path): - revlog.__init__(self, opener, - os.path.join("data", self.encodedir(path + ".i")), - os.path.join("data", self.encodedir(path + ".d"))) - - # This avoids a collision between a file named foo and a dir named - # foo.i or foo.d - def encodedir(self, path): - return (path - .replace(".hg/", ".hg.hg/") - .replace(".i/", ".i.hg/") - .replace(".d/", ".d.hg/")) - - def decodedir(self, path): - return (path - .replace(".d.hg/", ".d/") - .replace(".i.hg/", ".i/") - .replace(".hg.hg/", ".hg/")) - - def read(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - return t[s+2:] - - def readmeta(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - mt = t[2:s] - for l in mt.splitlines(): - k, v = l.split(": ", 1) - m[k] = v - return m - - def add(self, text, meta, transaction, link, p1=None, p2=None): - if meta or text.startswith('\1\n'): - mt = "" - if meta: - mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] - text = "\1\n" + "".join(mt) + "\1\n" + text - return self.addrevision(text, transaction, link, p1, p2) - - def annotate(self, node): - - def decorate(text, rev): - return ([rev] * len(text.splitlines()), text) - - def pair(parent, child): - for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): - child[0][b1:b2] = parent[0][a1:a2] - return child - - # find all ancestors - needed = {node:1} - visit = [node] - while visit: - n = visit.pop(0) - for p in self.parents(n): - if p not in needed: - needed[p] = 1 - visit.append(p) - else: - # count how many times we'll use this - needed[p] += 1 - - # sort by revision which is a topological order - visit = [ (self.rev(n), n) for n in needed.keys() ] - visit.sort() - hist = {} - - for r,n in visit: - curr = decorate(self.read(n), self.linkrev(n)) - for p in self.parents(n): - if p != nullid: - curr = pair(hist[p], curr) - # trim the history of unneeded revs - needed[p] -= 1 - if not needed[p]: - del hist[p] - hist[n] = curr - - return zip(hist[n][0], hist[n][1].splitlines(1)) - -class manifest(revlog): - def __init__(self, opener): - self.mapcache = None - self.listcache = None - self.addlist = None - revlog.__init__(self, opener, "00manifest.i", "00manifest.d") - - def read(self, node): - if node == nullid: return {} # don't upset local cache - if self.mapcache and self.mapcache[0] == node: - return self.mapcache[1] - text = self.revision(node) - map = {} - flag = {} - self.listcache = (text, text.splitlines(1)) - for l in self.listcache[1]: - (f, n) = l.split('\0') - map[f] = bin(n[:40]) - flag[f] = (n[40:-1] == "x") - self.mapcache = (node, map, flag) - return map - - def readflags(self, node): - if node == nullid: return {} # don't upset local cache - if not self.mapcache or self.mapcache[0] != node: - self.read(node) - return self.mapcache[2] - - def diff(self, a, b): - # this is sneaky, as we're not actually using a and b - if self.listcache and self.addlist and self.listcache[0] == a: - d = mdiff.diff(self.listcache[1], self.addlist, 1) - if mdiff.patch(a, d) != b: - sys.stderr.write("*** sortdiff failed, falling back ***\n") - return mdiff.textdiff(a, b) - return d - else: - return mdiff.textdiff(a, b) - - def add(self, map, flags, transaction, link, p1=None, p2=None, - changed=None): - # directly generate the mdiff delta from the data collected during - # the bisect loop below - def gendelta(delta): - i = 0 - result = [] - while i < len(delta): - start = delta[i][2] - end = delta[i][3] - l = delta[i][4] - if l == None: - l = "" - while i < len(delta) - 1 and start <= delta[i+1][2] \ - and end >= delta[i+1][2]: - if delta[i+1][3] > end: - end = delta[i+1][3] - if delta[i+1][4]: - l += delta[i+1][4] - i += 1 - result.append(struct.pack(">lll", start, end, len(l)) + l) - i += 1 - return result - - # apply the changes collected during the bisect loop to our addlist - def addlistdelta(addlist, delta): - # apply the deltas to the addlist. start from the bottom up - # so changes to the offsets don't mess things up. - i = len(delta) - while i > 0: - i -= 1 - start = delta[i][0] - end = delta[i][1] - if delta[i][4]: - addlist[start:end] = [delta[i][4]] - else: - del addlist[start:end] - return addlist - - # calculate the byte offset of the start of each line in the - # manifest - def calcoffsets(addlist): - offsets = [0] * (len(addlist) + 1) - offset = 0 - i = 0 - while i < len(addlist): - offsets[i] = offset - offset += len(addlist[i]) - i += 1 - offsets[i] = offset - return offsets - - # if we're using the listcache, make sure it is valid and - # parented by the same node we're diffing against - if not changed or not self.listcache or not p1 or \ - self.mapcache[0] != p1: - files = map.keys() - files.sort() - - self.addlist = ["%s\000%s%s\n" % - (f, hex(map[f]), flags[f] and "x" or '') - for f in files] - cachedelta = None - else: - addlist = self.listcache[1] - - # find the starting offset for each line in the add list - offsets = calcoffsets(addlist) - - # combine the changed lists into one list for sorting - work = [[x, 0] for x in changed[0]] - work[len(work):] = [[x, 1] for x in changed[1]] - work.sort() - - delta = [] - bs = 0 - - for w in work: - f = w[0] - # bs will either be the index of the item or the insert point - bs = bisect.bisect(addlist, f, bs) - if bs < len(addlist): - fn = addlist[bs][:addlist[bs].index('\0')] - else: - fn = None - if w[1] == 0: - l = "%s\000%s%s\n" % (f, hex(map[f]), - flags[f] and "x" or '') - else: - l = None - start = bs - if fn != f: - # item not found, insert a new one - end = bs - if w[1] == 1: - sys.stderr.write("failed to remove %s from manifest\n" - % f) - sys.exit(1) - else: - # item is found, replace/delete the existing line - end = bs + 1 - delta.append([start, end, offsets[start], offsets[end], l]) - - self.addlist = addlistdelta(addlist, delta) - if self.mapcache[0] == self.tip(): - cachedelta = "".join(gendelta(delta)) - else: - cachedelta = None - - text = "".join(self.addlist) - if cachedelta and mdiff.patch(self.listcache[0], cachedelta) != text: - sys.stderr.write("manifest delta failure\n") - sys.exit(1) - n = self.addrevision(text, transaction, link, p1, p2, cachedelta) - self.mapcache = (n, map, flags) - self.listcache = (text, self.addlist) - self.addlist = None - - return n - -class changelog(revlog): - def __init__(self, opener): - revlog.__init__(self, opener, "00changelog.i", "00changelog.d") - - def extract(self, text): - if not text: - return (nullid, "", "0", [], "") - last = text.index("\n\n") - desc = text[last + 2:] - l = text[:last].splitlines() - manifest = bin(l[0]) - user = l[1] - date = l[2] - if " " not in date: - date += " 0" # some tools used -d without a timezone - files = l[3:] - return (manifest, user, date, files, desc) - - def read(self, node): - return self.extract(self.revision(node)) - - def add(self, manifest, list, desc, transaction, p1=None, p2=None, - user=None, date=None): - if not date: - if time.daylight: offset = time.altzone - else: offset = time.timezone - date = "%d %d" % (time.time(), offset) - list.sort() - l = [hex(manifest), user, date] + list + ["", desc] - text = "\n".join(l) - return self.addrevision(text, transaction, self.count(), p1, p2) +demandload(globals(), "time bisect stat util") class dirstate: def __init__(self, opener, ui, root): @@ -589,1708 +310,3 @@ class dirstate: else: deleted.append(fn) return (lookup, modified, added, removed + deleted, unknown) - -# used to avoid circular references so destructors work -def opener(base): - p = base - def o(path, mode="r"): - if p.startswith("http://"): - f = os.path.join(p, urllib.quote(path)) - return httprangereader.httprangereader(f) - - f = os.path.join(p, path) - - mode += "b" # for that other OS - - if mode[0] != "r": - try: - s = os.stat(f) - except OSError: - d = os.path.dirname(f) - if not os.path.isdir(d): - os.makedirs(d) - else: - if s.st_nlink > 1: - file(f + ".tmp", "wb").write(file(f, "rb").read()) - util.rename(f+".tmp", f) - - return file(f, mode) - - return o - -class RepoError(Exception): pass - -class localrepository: - def __init__(self, ui, path=None, create=0): - self.remote = 0 - if path and path.startswith("http://"): - self.remote = 1 - self.path = path - else: - if not path: - p = os.getcwd() - while not os.path.isdir(os.path.join(p, ".hg")): - oldp = p - p = os.path.dirname(p) - if p == oldp: raise RepoError("no repo found") - path = p - self.path = os.path.join(path, ".hg") - - if not create and not os.path.isdir(self.path): - raise RepoError("repository %s not found" % self.path) - - self.root = os.path.abspath(path) - self.ui = ui - - if create: - os.mkdir(self.path) - os.mkdir(self.join("data")) - - self.opener = opener(self.path) - self.wopener = opener(self.root) - self.manifest = manifest(self.opener) - self.changelog = changelog(self.opener) - self.tagscache = None - self.nodetagscache = None - - if not self.remote: - self.dirstate = dirstate(self.opener, ui, self.root) - try: - self.ui.readconfig(self.opener("hgrc")) - except IOError: pass - - def hook(self, name, **args): - s = self.ui.config("hooks", name) - if s: - self.ui.note("running hook %s: %s\n" % (name, s)) - old = {} - for k, v in args.items(): - k = k.upper() - old[k] = os.environ.get(k, None) - os.environ[k] = v - - r = os.system(s) - - for k, v in old.items(): - if v != None: - os.environ[k] = v - else: - del os.environ[k] - - if r: - self.ui.warn("abort: %s hook failed with status %d!\n" % - (name, r)) - return False - return True - - def tags(self): - '''return a mapping of tag to node''' - if not self.tagscache: - self.tagscache = {} - def addtag(self, k, n): - try: - bin_n = bin(n) - except TypeError: - bin_n = '' - self.tagscache[k.strip()] = bin_n - - try: - # read each head of the tags file, ending with the tip - # and add each tag found to the map, with "newer" ones - # taking precedence - fl = self.file(".hgtags") - h = fl.heads() - h.reverse() - for r in h: - for l in fl.read(r).splitlines(): - if l: - n, k = l.split(" ", 1) - addtag(self, k, n) - except KeyError: - pass - - try: - f = self.opener("localtags") - for l in f: - n, k = l.split(" ", 1) - addtag(self, k, n) - except IOError: - pass - - self.tagscache['tip'] = self.changelog.tip() - - return self.tagscache - - def tagslist(self): - '''return a list of tags ordered by revision''' - l = [] - for t, n in self.tags().items(): - try: - r = self.changelog.rev(n) - except: - r = -2 # sort to the beginning of the list if unknown - l.append((r,t,n)) - l.sort() - return [(t,n) for r,t,n in l] - - def nodetags(self, node): - '''return the tags associated with a node''' - if not self.nodetagscache: - self.nodetagscache = {} - for t,n in self.tags().items(): - self.nodetagscache.setdefault(n,[]).append(t) - return self.nodetagscache.get(node, []) - - def lookup(self, key): - try: - return self.tags()[key] - except KeyError: - try: - return self.changelog.lookup(key) - except: - raise RepoError("unknown revision '%s'" % key) - - def dev(self): - if self.remote: return -1 - return os.stat(self.path).st_dev - - def local(self): - return not self.remote - - def join(self, f): - return os.path.join(self.path, f) - - def wjoin(self, f): - return os.path.join(self.root, f) - - def file(self, f): - if f[0] == '/': f = f[1:] - return filelog(self.opener, f) - - def getcwd(self): - return self.dirstate.getcwd() - - def wfile(self, f, mode='r'): - return self.wopener(f, mode) - - def wread(self, filename): - return self.wopener(filename, 'r').read() - - def wwrite(self, filename, data, fd=None): - if fd: - return fd.write(data) - return self.wopener(filename, 'w').write(data) - - def transaction(self): - # save dirstate for undo - try: - ds = self.opener("dirstate").read() - except IOError: - ds = "" - self.opener("journal.dirstate", "w").write(ds) - - def after(): - util.rename(self.join("journal"), self.join("undo")) - util.rename(self.join("journal.dirstate"), - self.join("undo.dirstate")) - - return transaction.transaction(self.ui.warn, self.opener, - self.join("journal"), after) - - def recover(self): - lock = self.lock() - if os.path.exists(self.join("journal")): - self.ui.status("rolling back interrupted transaction\n") - return transaction.rollback(self.opener, self.join("journal")) - else: - self.ui.warn("no interrupted transaction available\n") - - def undo(self): - lock = self.lock() - if os.path.exists(self.join("undo")): - self.ui.status("rolling back last transaction\n") - transaction.rollback(self.opener, self.join("undo")) - self.dirstate = None - util.rename(self.join("undo.dirstate"), self.join("dirstate")) - self.dirstate = dirstate(self.opener, self.ui, self.root) - else: - self.ui.warn("no undo information available\n") - - def lock(self, wait=1): - try: - return lock.lock(self.join("lock"), 0) - except lock.LockHeld, inst: - if wait: - self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) - return lock.lock(self.join("lock"), wait) - raise inst - - def rawcommit(self, files, text, user, date, p1=None, p2=None): - orig_parent = self.dirstate.parents()[0] or nullid - p1 = p1 or self.dirstate.parents()[0] or nullid - p2 = p2 or self.dirstate.parents()[1] or nullid - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - changed = [] - - if orig_parent == p1: - update_dirstate = 1 - else: - update_dirstate = 0 - - tr = self.transaction() - mm = m1.copy() - mfm = mf1.copy() - linkrev = self.changelog.count() - for f in files: - try: - t = self.wread(f) - tm = util.is_exec(self.wjoin(f), mfm.get(f, False)) - r = self.file(f) - mfm[f] = tm - - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - mm[f] = fp1 - continue - - mm[f] = r.add(t, {}, tr, linkrev, fp1, fp2) - changed.append(f) - if update_dirstate: - self.dirstate.update([f], "n") - except IOError: - try: - del mm[f] - del mfm[f] - if update_dirstate: - self.dirstate.forget([f]) - except: - # deleted from p2? - pass - - mnode = self.manifest.add(mm, mfm, tr, linkrev, c1[0], c2[0]) - user = user or self.ui.username() - n = self.changelog.add(mnode, changed, text, tr, p1, p2, user, date) - tr.close() - if update_dirstate: - self.dirstate.setparents(n, nullid) - - def commit(self, files = None, text = "", user = None, date = None, - match = util.always, force=False): - commit = [] - remove = [] - changed = [] - - if files: - for f in files: - s = self.dirstate.state(f) - if s in 'nmai': - commit.append(f) - elif s == 'r': - remove.append(f) - else: - self.ui.warn("%s not tracked!\n" % f) - else: - (c, a, d, u) = self.changes(match=match) - commit = c + a - remove = d - - p1, p2 = self.dirstate.parents() - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - - if not commit and not remove and not force and p2 == nullid: - self.ui.status("nothing changed\n") - return None - - if not self.hook("precommit"): - return None - - lock = self.lock() - tr = self.transaction() - - # check in files - new = {} - linkrev = self.changelog.count() - commit.sort() - for f in commit: - self.ui.note(f + "\n") - try: - mf1[f] = util.is_exec(self.wjoin(f), mf1.get(f, False)) - t = self.wread(f) - except IOError: - self.ui.warn("trouble committing %s!\n" % f) - raise - - meta = {} - cp = self.dirstate.copied(f) - if cp: - meta["copy"] = cp - meta["copyrev"] = hex(m1.get(cp, m2.get(cp, nullid))) - self.ui.debug(" %s: copy %s:%s\n" % (f, cp, meta["copyrev"])) - - r = self.file(f) - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if not meta and t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - new[f] = fp1 - continue - - new[f] = r.add(t, meta, tr, linkrev, fp1, fp2) - # remember what we've added so that we can later calculate - # the files to pull from a set of changesets - changed.append(f) - - # update manifest - m1.update(new) - for f in remove: - if f in m1: - del m1[f] - mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0], - (new, remove)) - - # add changeset - new = new.keys() - new.sort() - - if not text: - edittext = "" - if p2 != nullid: - edittext += "HG: branch merge\n" - edittext += "\n" + "HG: manifest hash %s\n" % hex(mn) - edittext += "".join(["HG: changed %s\n" % f for f in changed]) - edittext += "".join(["HG: removed %s\n" % f for f in remove]) - if not changed and not remove: - edittext += "HG: no files changed\n" - edittext = self.ui.edit(edittext) - if not edittext.rstrip(): - return None - text = edittext - - user = user or self.ui.username() - n = self.changelog.add(mn, changed, text, tr, p1, p2, user, date) - tr.close() - - self.dirstate.setparents(n) - self.dirstate.update(new, "n") - self.dirstate.forget(remove) - - if not self.hook("commit", node=hex(n)): - return None - return n - - def walk(self, node=None, files=[], match=util.always): - if node: - for fn in self.manifest.read(self.changelog.read(node)[0]): - if match(fn): yield 'm', fn - else: - for src, fn in self.dirstate.walk(files, match): - yield src, fn - - def changes(self, node1 = None, node2 = None, files = [], - match = util.always): - mf2, u = None, [] - - def fcmp(fn, mf): - t1 = self.wread(fn) - t2 = self.file(fn).read(mf.get(fn, nullid)) - return cmp(t1, t2) - - def mfmatches(node): - mf = dict(self.manifest.read(node)) - for fn in mf.keys(): - if not match(fn): - del mf[fn] - return mf - - # are we comparing the working directory? - if not node2: - l, c, a, d, u = self.dirstate.changes(files, match) - - # are we comparing working dir against its parent? - if not node1: - if l: - # do a full compare of any files that might have changed - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in l: - if fcmp(f, mf2): - c.append(f) - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - # are we comparing working dir against non-tip? - # generate a pseudo-manifest for the working dir - if not node2: - if not mf2: - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in a + c + l: - mf2[f] = "" - for f in d: - if f in mf2: del mf2[f] - else: - change = self.changelog.read(node2) - mf2 = mfmatches(change[0]) - - # flush lists from dirstate before comparing manifests - c, a = [], [] - - change = self.changelog.read(node1) - mf1 = mfmatches(change[0]) - - for fn in mf2: - if mf1.has_key(fn): - if mf1[fn] != mf2[fn]: - if mf2[fn] != "" or fcmp(fn, mf1): - c.append(fn) - del mf1[fn] - else: - a.append(fn) - - d = mf1.keys() - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - def add(self, list): - for f in list: - p = self.wjoin(f) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % f) - elif not os.path.isfile(p): - self.ui.warn("%s not added: only files supported currently\n" % f) - elif self.dirstate.state(f) in 'an': - self.ui.warn("%s already tracked!\n" % f) - else: - self.dirstate.update([f], "a") - - def forget(self, list): - for f in list: - if self.dirstate.state(f) not in 'ai': - self.ui.warn("%s not added!\n" % f) - else: - self.dirstate.forget([f]) - - def remove(self, list): - for f in list: - p = self.wjoin(f) - if os.path.exists(p): - self.ui.warn("%s still exists!\n" % f) - elif self.dirstate.state(f) == 'a': - self.ui.warn("%s never committed!\n" % f) - self.dirstate.forget([f]) - elif f not in self.dirstate: - self.ui.warn("%s not tracked!\n" % f) - else: - self.dirstate.update([f], "r") - - def copy(self, source, dest): - p = self.wjoin(dest) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % dest) - elif not os.path.isfile(p): - self.ui.warn("copy failed: %s is not a file\n" % dest) - else: - if self.dirstate.state(dest) == '?': - self.dirstate.update([dest], "a") - self.dirstate.copy(source, dest) - - def heads(self): - return self.changelog.heads() - - # branchlookup returns a dict giving a list of branches for - # each head. A branch is defined as the tag of a node or - # the branch of the node's parents. If a node has multiple - # branch tags, tags are eliminated if they are visible from other - # branch tags. - # - # So, for this graph: a->b->c->d->e - # \ / - # aa -----/ - # a has tag 2.6.12 - # d has tag 2.6.13 - # e would have branch tags for 2.6.12 and 2.6.13. Because the node - # for 2.6.12 can be reached from the node 2.6.13, that is eliminated - # from the list. - # - # It is possible that more than one head will have the same branch tag. - # callers need to check the result for multiple heads under the same - # branch tag if that is a problem for them (ie checkout of a specific - # branch). - # - # passing in a specific branch will limit the depth of the search - # through the parents. It won't limit the branches returned in the - # result though. - def branchlookup(self, heads=None, branch=None): - if not heads: - heads = self.heads() - headt = [ h for h in heads ] - chlog = self.changelog - branches = {} - merges = [] - seenmerge = {} - - # traverse the tree once for each head, recording in the branches - # dict which tags are visible from this head. The branches - # dict also records which tags are visible from each tag - # while we traverse. - while headt or merges: - if merges: - n, found = merges.pop() - visit = [n] - else: - h = headt.pop() - visit = [h] - found = [h] - seen = {} - while visit: - n = visit.pop() - if n in seen: - continue - pp = chlog.parents(n) - tags = self.nodetags(n) - if tags: - for x in tags: - if x == 'tip': - continue - for f in found: - branches.setdefault(f, {})[n] = 1 - branches.setdefault(n, {})[n] = 1 - break - if n not in found: - found.append(n) - if branch in tags: - continue - seen[n] = 1 - if pp[1] != nullid and n not in seenmerge: - merges.append((pp[1], [x for x in found])) - seenmerge[n] = 1 - if pp[0] != nullid: - visit.append(pp[0]) - # traverse the branches dict, eliminating branch tags from each - # head that are visible from another branch tag for that head. - out = {} - viscache = {} - for h in heads: - def visible(node): - if node in viscache: - return viscache[node] - ret = {} - visit = [node] - while visit: - x = visit.pop() - if x in viscache: - ret.update(viscache[x]) - elif x not in ret: - ret[x] = 1 - if x in branches: - visit[len(visit):] = branches[x].keys() - viscache[node] = ret - return ret - if h not in branches: - continue - # O(n^2), but somewhat limited. This only searches the - # tags visible from a specific head, not all the tags in the - # whole repo. - for b in branches[h]: - vis = False - for bb in branches[h].keys(): - if b != bb: - if b in visible(bb): - vis = True - break - if not vis: - l = out.setdefault(h, []) - l[len(l):] = self.nodetags(b) - return out - - def branches(self, nodes): - if not nodes: nodes = [self.changelog.tip()] - b = [] - for n in nodes: - t = n - while n: - p = self.changelog.parents(n) - if p[1] != nullid or p[0] == nullid: - b.append((t, n, p[0], p[1])) - break - n = p[0] - return b - - def between(self, pairs): - r = [] - - for top, bottom in pairs: - n, l, i = top, [], 0 - f = 1 - - while n != bottom: - p = self.changelog.parents(n)[0] - if i == f: - l.append(n) - f = f * 2 - n = p - i += 1 - - r.append(l) - - return r - - def newer(self, nodes): - m = {} - nl = [] - pm = {} - cl = self.changelog - t = l = cl.count() - - # find the lowest numbered node - for n in nodes: - l = min(l, cl.rev(n)) - m[n] = 1 - - for i in xrange(l, t): - n = cl.node(i) - if n in m: # explicitly listed - pm[n] = 1 - nl.append(n) - continue - for p in cl.parents(n): - if p in pm: # parent listed - pm[n] = 1 - nl.append(n) - break - - return nl - - def findincoming(self, remote, base=None, heads=None): - m = self.changelog.nodemap - search = [] - fetch = {} - seen = {} - seenbranch = {} - if base == None: - base = {} - - # assume we're closer to the tip than the root - # and start by examining the heads - self.ui.status("searching for changes\n") - - if not heads: - heads = remote.heads() - - unknown = [] - for h in heads: - if h not in m: - unknown.append(h) - else: - base[h] = 1 - - if not unknown: - return None - - rep = {} - reqcnt = 0 - - # search through remote branches - # a 'branch' here is a linear segment of history, with four parts: - # head, root, first parent, second parent - # (a branch always has two parents (or none) by definition) - unknown = remote.branches(unknown) - while unknown: - r = [] - while unknown: - n = unknown.pop(0) - if n[0] in seen: - continue - - self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) - if n[0] == nullid: - break - if n in seenbranch: - self.ui.debug("branch already found\n") - continue - if n[1] and n[1] in m: # do we know the base? - self.ui.debug("found incomplete branch %s:%s\n" - % (short(n[0]), short(n[1]))) - search.append(n) # schedule branch range for scanning - seenbranch[n] = 1 - else: - if n[1] not in seen and n[1] not in fetch: - if n[2] in m and n[3] in m: - self.ui.debug("found new changeset %s\n" % - short(n[1])) - fetch[n[1]] = 1 # earliest unknown - base[n[2]] = 1 # latest known - continue - - for a in n[2:4]: - if a not in rep: - r.append(a) - rep[a] = 1 - - seen[n[0]] = 1 - - if r: - reqcnt += 1 - self.ui.debug("request %d: %s\n" % - (reqcnt, " ".join(map(short, r)))) - for p in range(0, len(r), 10): - for b in remote.branches(r[p:p+10]): - self.ui.debug("received %s:%s\n" % - (short(b[0]), short(b[1]))) - if b[0] in m: - self.ui.debug("found base node %s\n" % short(b[0])) - base[b[0]] = 1 - elif b[0] not in seen: - unknown.append(b) - - # do binary search on the branches we found - while search: - n = search.pop(0) - reqcnt += 1 - l = remote.between([(n[0], n[1])])[0] - l.append(n[1]) - p = n[0] - f = 1 - for i in l: - self.ui.debug("narrowing %d:%d %s\n" % (f, len(l), short(i))) - if i in m: - if f <= 2: - self.ui.debug("found new branch changeset %s\n" % - short(p)) - fetch[p] = 1 - base[i] = 1 - else: - self.ui.debug("narrowed branch search to %s:%s\n" - % (short(p), short(i))) - search.append((p, i)) - break - p, f = i, f * 2 - - # sanity check our fetch list - for f in fetch.keys(): - if f in m: - raise RepoError("already have changeset " + short(f[:4])) - - if base.keys() == [nullid]: - self.ui.warn("warning: pulling from an unrelated repository!\n") - - self.ui.note("found new changesets starting at " + - " ".join([short(f) for f in fetch]) + "\n") - - self.ui.debug("%d total queries\n" % reqcnt) - - return fetch.keys() - - def findoutgoing(self, remote, base=None, heads=None): - if base == None: - base = {} - self.findincoming(remote, base, heads) - - self.ui.debug("common changesets up to " - + " ".join(map(short, base.keys())) + "\n") - - remain = dict.fromkeys(self.changelog.nodemap) - - # prune everything remote has from the tree - del remain[nullid] - remove = base.keys() - while remove: - n = remove.pop(0) - if n in remain: - del remain[n] - for p in self.changelog.parents(n): - remove.append(p) - - # find every node whose parents have been pruned - subset = [] - for n in remain: - p1, p2 = self.changelog.parents(n) - if p1 not in remain and p2 not in remain: - subset.append(n) - - # this is the set of all roots we have to push - return subset - - def pull(self, remote): - lock = self.lock() - - # if we have an empty repo, fetch everything - if self.changelog.tip() == nullid: - self.ui.status("requesting all changes\n") - fetch = [nullid] - else: - fetch = self.findincoming(remote) - - if not fetch: - self.ui.status("no changes found\n") - return 1 - - cg = remote.changegroup(fetch) - return self.addchangegroup(cg) - - def push(self, remote, force=False): - lock = remote.lock() - - base = {} - heads = remote.heads() - inc = self.findincoming(remote, base, heads) - if not force and inc: - self.ui.warn("abort: unsynced remote changes!\n") - self.ui.status("(did you forget to sync? use push -f to force)\n") - return 1 - - update = self.findoutgoing(remote, base) - if not update: - self.ui.status("no changes found\n") - return 1 - elif not force: - if len(heads) < len(self.changelog.heads()): - self.ui.warn("abort: push creates new remote branches!\n") - self.ui.status("(did you forget to merge?" + - " use push -f to force)\n") - return 1 - - cg = self.changegroup(update) - return remote.addchangegroup(cg) - - def changegroup(self, basenodes): - class genread: - def __init__(self, generator): - self.g = generator - self.buf = "" - def fillbuf(self): - self.buf += "".join(self.g) - - def read(self, l): - while l > len(self.buf): - try: - self.buf += self.g.next() - except StopIteration: - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - def gengroup(): - nodes = self.newer(basenodes) - - # construct the link map - linkmap = {} - for n in nodes: - linkmap[self.changelog.rev(n)] = n - - # construct a list of all changed files - changed = {} - for n in nodes: - c = self.changelog.read(n) - for f in c[3]: - changed[f] = 1 - changed = changed.keys() - changed.sort() - - # the changegroup is changesets + manifests + all file revs - revs = [ self.changelog.rev(n) for n in nodes ] - - for y in self.changelog.group(linkmap): yield y - for y in self.manifest.group(linkmap): yield y - for f in changed: - yield struct.pack(">l", len(f) + 4) + f - g = self.file(f).group(linkmap) - for y in g: - yield y - - yield struct.pack(">l", 0) - - return genread(gengroup()) - - def addchangegroup(self, source): - - def getchunk(): - d = source.read(4) - if not d: return "" - l = struct.unpack(">l", d)[0] - if l <= 4: return "" - return source.read(l - 4) - - def getgroup(): - while 1: - c = getchunk() - if not c: break - yield c - - def csmap(x): - self.ui.debug("add changeset %s\n" % short(x)) - return self.changelog.count() - - def revmap(x): - return self.changelog.rev(x) - - if not source: return - changesets = files = revisions = 0 - - tr = self.transaction() - - oldheads = len(self.changelog.heads()) - - # pull off the changeset group - self.ui.status("adding changesets\n") - co = self.changelog.tip() - cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique - changesets = self.changelog.rev(cn) - self.changelog.rev(co) - - # pull off the manifest group - self.ui.status("adding manifests\n") - mm = self.manifest.tip() - mo = self.manifest.addgroup(getgroup(), revmap, tr) - - # process the files - self.ui.status("adding file changes\n") - while 1: - f = getchunk() - if not f: break - self.ui.debug("adding %s revisions\n" % f) - fl = self.file(f) - o = fl.count() - n = fl.addgroup(getgroup(), revmap, tr) - revisions += fl.count() - o - files += 1 - - newheads = len(self.changelog.heads()) - heads = "" - if oldheads and newheads > oldheads: - heads = " (+%d heads)" % (newheads - oldheads) - - self.ui.status(("added %d changesets" + - " with %d changes to %d files%s\n") - % (changesets, revisions, files, heads)) - - tr.close() - - if not self.hook("changegroup"): - return 1 - - return - - def update(self, node, allow=False, force=False, choose=None, - moddirstate=True): - pl = self.dirstate.parents() - if not force and pl[1] != nullid: - self.ui.warn("aborting: outstanding uncommitted merges\n") - return 1 - - p1, p2 = pl[0], node - pa = self.changelog.ancestor(p1, p2) - m1n = self.changelog.read(p1)[0] - m2n = self.changelog.read(p2)[0] - man = self.manifest.ancestor(m1n, m2n) - m1 = self.manifest.read(m1n) - mf1 = self.manifest.readflags(m1n) - m2 = self.manifest.read(m2n) - mf2 = self.manifest.readflags(m2n) - ma = self.manifest.read(man) - mfa = self.manifest.readflags(man) - - (c, a, d, u) = self.changes() - - # is this a jump, or a merge? i.e. is there a linear path - # from p1 to p2? - linear_path = (pa == p1 or pa == p2) - - # resolve the manifest to determine which files - # we care about merging - self.ui.note("resolving manifests\n") - self.ui.debug(" force %s allow %s moddirstate %s linear %s\n" % - (force, allow, moddirstate, linear_path)) - self.ui.debug(" ancestor %s local %s remote %s\n" % - (short(man), short(m1n), short(m2n))) - - merge = {} - get = {} - remove = [] - - # construct a working dir manifest - mw = m1.copy() - mfw = mf1.copy() - umap = dict.fromkeys(u) - - for f in a + c + u: - mw[f] = "" - mfw[f] = util.is_exec(self.wjoin(f), mfw.get(f, False)) - - for f in d: - if f in mw: del mw[f] - - # If we're jumping between revisions (as opposed to merging), - # and if neither the working directory nor the target rev has - # the file, then we need to remove it from the dirstate, to - # prevent the dirstate from listing the file when it is no - # longer in the manifest. - if moddirstate and linear_path and f not in m2: - self.dirstate.forget((f,)) - - # Compare manifests - for f, n in mw.iteritems(): - if choose and not choose(f): continue - if f in m2: - s = 0 - - # is the wfile new since m1, and match m2? - if f not in m1: - t1 = self.wread(f) - t2 = self.file(f).read(m2[f]) - if cmp(t1, t2) == 0: - n = m2[f] - del t1, t2 - - # are files different? - if n != m2[f]: - a = ma.get(f, nullid) - # are both different from the ancestor? - if n != a and m2[f] != a: - self.ui.debug(" %s versions differ, resolve\n" % f) - # merge executable bits - # "if we changed or they changed, change in merge" - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - merge[f] = (m1.get(f, nullid), m2[f], mode) - s = 1 - # are we clobbering? - # is remote's version newer? - # or are we going back in time? - elif force or m2[f] != a or (p2 == pa and mw[f] == m1[f]): - self.ui.debug(" remote %s is newer, get\n" % f) - get[f] = m2[f] - s = 1 - elif f in umap: - # this unknown file is the same as the checkout - get[f] = m2[f] - - if not s and mfw[f] != mf2[f]: - if force: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mf2[f]) - else: - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - if mode != b: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mode) - del m2[f] - elif f in ma: - if n != ma[f]: - r = "d" - if not force and (linear_path or allow): - r = self.ui.prompt( - (" local changed %s which remote deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "d": - remove.append(f) - else: - self.ui.debug("other deleted %s\n" % f) - remove.append(f) # other deleted it - else: - if n == m1.get(f, nullid): # same as parent - if p2 == pa: # going backwards? - self.ui.debug("remote deleted %s\n" % f) - remove.append(f) - else: - self.ui.debug("local created %s, keeping\n" % f) - else: - self.ui.debug("working dir created %s, keeping\n" % f) - - for f, n in m2.iteritems(): - if choose and not choose(f): continue - if f[0] == "/": continue - if f in ma and n != ma[f]: - r = "k" - if not force and (linear_path or allow): - r = self.ui.prompt( - ("remote changed %s which local deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "k": get[f] = n - elif f not in ma: - self.ui.debug("remote created %s\n" % f) - get[f] = n - else: - if force or p2 == pa: # going backwards? - self.ui.debug("local deleted %s, recreating\n" % f) - get[f] = n - else: - self.ui.debug("local deleted %s\n" % f) - - del mw, m1, m2, ma - - if force: - for f in merge: - get[f] = merge[f][1] - merge = {} - - if linear_path or force: - # we don't need to do any magic, just jump to the new rev - branch_merge = False - p1, p2 = p2, nullid - else: - if not allow: - self.ui.status("this update spans a branch" + - " affecting the following files:\n") - fl = merge.keys() + get.keys() - fl.sort() - for f in fl: - cf = "" - if f in merge: cf = " (resolve)" - self.ui.status(" %s%s\n" % (f, cf)) - self.ui.warn("aborting update spanning branches!\n") - self.ui.status("(use update -m to merge across branches" + - " or -C to lose changes)\n") - return 1 - branch_merge = True - - if moddirstate: - self.dirstate.setparents(p1, p2) - - # get the files we don't need to change - files = get.keys() - files.sort() - for f in files: - if f[0] == "/": continue - self.ui.note("getting %s\n" % f) - t = self.file(f).read(get[f]) - try: - self.wwrite(f, t) - except IOError: - os.makedirs(os.path.dirname(self.wjoin(f))) - self.wwrite(f, t) - util.set_exec(self.wjoin(f), mf2[f]) - if moddirstate: - if branch_merge: - self.dirstate.update([f], 'n', st_mtime=-1) - else: - self.dirstate.update([f], 'n') - - # merge the tricky bits - files = merge.keys() - files.sort() - for f in files: - self.ui.status("merging %s\n" % f) - my, other, flag = merge[f] - self.merge3(f, my, other) - util.set_exec(self.wjoin(f), flag) - if moddirstate: - if branch_merge: - # We've done a branch merge, mark this file as merged - # so that we properly record the merger later - self.dirstate.update([f], 'm') - else: - # We've update-merged a locally modified file, so - # we set the dirstate to emulate a normal checkout - # of that file some time in the past. Thus our - # merge will appear as a normal local file - # modification. - f_len = len(self.file(f).read(other)) - self.dirstate.update([f], 'n', st_size=f_len, st_mtime=-1) - - remove.sort() - for f in remove: - self.ui.note("removing %s\n" % f) - try: - os.unlink(self.wjoin(f)) - except OSError, inst: - self.ui.warn("update failed to remove %s: %s!\n" % (f, inst)) - # try removing directories that might now be empty - try: os.removedirs(os.path.dirname(self.wjoin(f))) - except: pass - if moddirstate: - if branch_merge: - self.dirstate.update(remove, 'r') - else: - self.dirstate.forget(remove) - - def merge3(self, fn, my, other): - """perform a 3-way merge in the working directory""" - - def temp(prefix, node): - pre = "%s~%s." % (os.path.basename(fn), prefix) - (fd, name) = tempfile.mkstemp("", pre) - f = os.fdopen(fd, "wb") - self.wwrite(fn, fl.read(node), f) - f.close() - return name - - fl = self.file(fn) - base = fl.ancestor(my, other) - a = self.wjoin(fn) - b = temp("base", base) - c = temp("other", other) - - self.ui.note("resolving %s\n" % fn) - self.ui.debug("file %s: other %s ancestor %s\n" % - (fn, short(other), short(base))) - - cmd = (os.environ.get("HGMERGE") or self.ui.config("ui", "merge") - or "hgmerge") - r = os.system("%s %s %s %s" % (cmd, a, b, c)) - if r: - self.ui.warn("merging %s failed!\n" % fn) - - os.unlink(b) - os.unlink(c) - - def verify(self): - filelinkrevs = {} - filenodes = {} - changesets = revisions = files = 0 - errors = 0 - - seen = {} - self.ui.status("checking changesets\n") - for i in range(self.changelog.count()): - changesets += 1 - n = self.changelog.node(i) - if n in seen: - self.ui.warn("duplicate changeset at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.changelog.parents(n): - if p not in self.changelog.nodemap: - self.ui.warn("changeset %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - try: - changes = self.changelog.read(n) - except Exception, inst: - self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) - errors += 1 - - for f in changes[3]: - filelinkrevs.setdefault(f, []).append(i) - - seen = {} - self.ui.status("checking manifests\n") - for i in range(self.manifest.count()): - n = self.manifest.node(i) - if n in seen: - self.ui.warn("duplicate manifest at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.manifest.parents(n): - if p not in self.manifest.nodemap: - self.ui.warn("manifest %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - - try: - delta = mdiff.patchtext(self.manifest.delta(n)) - except KeyboardInterrupt: - self.ui.warn("aborted") - sys.exit(0) - except Exception, inst: - self.ui.warn("unpacking manifest %s: %s\n" - % (short(n), inst)) - errors += 1 - - ff = [ l.split('\0') for l in delta.splitlines() ] - for f, fn in ff: - filenodes.setdefault(f, {})[bin(fn[:40])] = 1 - - self.ui.status("crosschecking files in changesets and manifests\n") - for f in filenodes: - if f not in filelinkrevs: - self.ui.warn("file %s in manifest but not in changesets\n" % f) - errors += 1 - - for f in filelinkrevs: - if f not in filenodes: - self.ui.warn("file %s in changeset but not in manifest\n" % f) - errors += 1 - - self.ui.status("checking files\n") - ff = filenodes.keys() - ff.sort() - for f in ff: - if f == "/dev/null": continue - files += 1 - fl = self.file(f) - nodes = { nullid: 1 } - seen = {} - for i in range(fl.count()): - revisions += 1 - n = fl.node(i) - - if n in seen: - self.ui.warn("%s: duplicate revision %d\n" % (f, i)) - errors += 1 - - if n not in filenodes[f]: - self.ui.warn("%s: %d:%s not in manifests\n" - % (f, i, short(n))) - errors += 1 - else: - del filenodes[f][n] - - flr = fl.linkrev(n) - if flr not in filelinkrevs[f]: - self.ui.warn("%s:%s points to unexpected changeset %d\n" - % (f, short(n), fl.linkrev(n))) - errors += 1 - else: - filelinkrevs[f].remove(flr) - - # verify contents - try: - t = fl.read(n) - except Exception, inst: - self.ui.warn("unpacking file %s %s: %s\n" - % (f, short(n), inst)) - errors += 1 - - # verify parents - (p1, p2) = fl.parents(n) - if p1 not in nodes: - self.ui.warn("file %s:%s unknown parent 1 %s" % - (f, short(n), short(p1))) - errors += 1 - if p2 not in nodes: - self.ui.warn("file %s:%s unknown parent 2 %s" % - (f, short(n), short(p1))) - errors += 1 - nodes[n] = 1 - - # cross-check - for node in filenodes[f]: - self.ui.warn("node %s in manifests not in %s\n" - % (hex(node), f)) - errors += 1 - - self.ui.status("%d files, %d changesets, %d total revisions\n" % - (files, changesets, revisions)) - - if errors: - self.ui.warn("%d integrity errors encountered!\n" % errors) - return 1 - -class remoterepository: - def local(self): - return False - -class httprepository(remoterepository): - def __init__(self, ui, path): - # fix missing / after hostname - s = urlparse.urlsplit(path) - partial = s[2] - if not partial: partial = "/" - self.url = urlparse.urlunsplit((s[0], s[1], partial, '', '')) - self.ui = ui - no_list = [ "localhost", "127.0.0.1" ] - host = ui.config("http_proxy", "host") - if host is None: - host = os.environ.get("http_proxy") - if host and host.startswith('http://'): - host = host[7:] - user = ui.config("http_proxy", "user") - passwd = ui.config("http_proxy", "passwd") - no = ui.config("http_proxy", "no") - if no is None: - no = os.environ.get("no_proxy") - if no: - no_list = no_list + no.split(",") - - no_proxy = 0 - for h in no_list: - if (path.startswith("http://" + h + "/") or - path.startswith("http://" + h + ":") or - path == "http://" + h): - no_proxy = 1 - - # Note: urllib2 takes proxy values from the environment and those will - # take precedence - for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: - try: - if os.environ.has_key(env): - del os.environ[env] - except OSError: - pass - - proxy_handler = urllib2.BaseHandler() - if host and not no_proxy: - proxy_handler = urllib2.ProxyHandler({"http" : "http://" + host}) - - authinfo = None - if user and passwd: - passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm() - passmgr.add_password(None, host, user, passwd) - authinfo = urllib2.ProxyBasicAuthHandler(passmgr) - - opener = urllib2.build_opener(proxy_handler, authinfo) - urllib2.install_opener(opener) - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - q = {"cmd": cmd} - q.update(args) - qs = urllib.urlencode(q) - cu = "%s?%s" % (self.url, qs) - resp = urllib2.urlopen(cu) - proto = resp.headers['content-type'] - - # accept old "text/plain" and "application/hg-changegroup" for now - if not proto.startswith('application/mercurial') and \ - not proto.startswith('text/plain') and \ - not proto.startswith('application/hg-changegroup'): - raise RepoError("'%s' does not appear to be an hg repository" - % self.url) - - if proto.startswith('application/mercurial'): - version = proto[22:] - if float(version) > 0.1: - raise RepoError("'%s' uses newer protocol %s" % - (self.url, version)) - - return resp - - def heads(self): - d = self.do_cmd("heads").read() - try: - return map(bin, d[:-1].split(" ")) - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.do_cmd("branches", nodes=n).read() - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.do_cmd("between", pairs=n).read() - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - bytes = 0 - - class zread: - def __init__(self, f): - self.zd = zlib.decompressobj() - self.f = f - self.buf = "" - def read(self, l): - while l > len(self.buf): - r = self.f.read(4096) - if r: - self.buf += self.zd.decompress(r) - else: - self.buf += self.zd.flush() - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - return zread(f) - -class remotelock: - def __init__(self, repo): - self.repo = repo - def release(self): - self.repo.unlock() - self.repo = None - def __del__(self): - if self.repo: - self.release() - -class sshrepository(remoterepository): - def __init__(self, ui, path): - self.url = path - self.ui = ui - - m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?', path) - if not m: - raise RepoError("couldn't parse destination %s" % path) - - self.user = m.group(2) - self.host = m.group(3) - self.port = m.group(5) - self.path = m.group(7) or "." - - args = self.user and ("%s@%s" % (self.user, self.host)) or self.host - args = self.port and ("%s -p %s") % (args, self.port) or args - - sshcmd = self.ui.config("ui", "ssh", "ssh") - remotecmd = self.ui.config("ui", "remotecmd", "hg") - cmd = "%s %s '%s -R %s serve --stdio'" - cmd = cmd % (sshcmd, args, remotecmd, self.path) - - self.pipeo, self.pipei, self.pipee = os.popen3(cmd) - - def readerr(self): - while 1: - r,w,x = select.select([self.pipee], [], [], 0) - if not r: break - l = self.pipee.readline() - if not l: break - self.ui.status("remote: ", l) - - def __del__(self): - try: - self.pipeo.close() - self.pipei.close() - for l in self.pipee: - self.ui.status("remote: ", l) - self.pipee.close() - except: - pass - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - self.pipeo.write("%s\n" % cmd) - for k, v in args.items(): - self.pipeo.write("%s %d\n" % (k, len(v))) - self.pipeo.write(v) - self.pipeo.flush() - - return self.pipei - - def call(self, cmd, **args): - r = self.do_cmd(cmd, **args) - l = r.readline() - self.readerr() - try: - l = int(l) - except: - raise RepoError("unexpected response '%s'" % l) - return r.read(l) - - def lock(self): - self.call("lock") - return remotelock(self) - - def unlock(self): - self.call("unlock") - - def heads(self): - d = self.call("heads") - try: - return map(bin, d[:-1].split(" ")) - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.call("branches", nodes=n) - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.call("between", pairs=n) - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - return self.pipei - - def addchangegroup(self, cg): - d = self.call("addchangegroup") - if d: - raise RepoError("push refused: %s", d) - - while 1: - d = cg.read(4096) - if not d: break - self.pipeo.write(d) - self.readerr() - - self.pipeo.flush() - - self.readerr() - l = int(self.pipei.readline()) - return self.pipei.read(l) != "" - -class httpsrepository(httprepository): - pass - -def repository(ui, path=None, create=0): - if path: - if path.startswith("http://"): - return httprepository(ui, path) - if path.startswith("https://"): - return httpsrepository(ui, path) - if path.startswith("hg://"): - return httprepository(ui, path.replace("hg://", "http://")) - if path.startswith("old-http://"): - return localrepository(ui, path.replace("old-http://", "http://")) - if path.startswith("ssh://"): - return sshrepository(ui, path) - - return localrepository(ui, path, create) diff --git a/mercurial/hg.py b/mercurial/filelog.py copy from mercurial/hg.py copy to mercurial/filelog.py --- a/mercurial/hg.py +++ b/mercurial/filelog.py @@ -1,17 +1,14 @@ -# hg.py - repository classes for mercurial +# filelog.py - file history class for mercurial # # Copyright 2005 Matt Mackall # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. -import sys, struct, os -import util +import os from revlog import * from demandload import * -demandload(globals(), "re lock urllib urllib2 transaction time socket") -demandload(globals(), "tempfile httprangereader bdiff urlparse") -demandload(globals(), "bisect errno select stat") +demandload(globals(), "bdiff") class filelog(revlog): def __init__(self, opener, path): @@ -99,2198 +96,3 @@ class filelog(revlog): hist[n] = curr return zip(hist[n][0], hist[n][1].splitlines(1)) - -class manifest(revlog): - def __init__(self, opener): - self.mapcache = None - self.listcache = None - self.addlist = None - revlog.__init__(self, opener, "00manifest.i", "00manifest.d") - - def read(self, node): - if node == nullid: return {} # don't upset local cache - if self.mapcache and self.mapcache[0] == node: - return self.mapcache[1] - text = self.revision(node) - map = {} - flag = {} - self.listcache = (text, text.splitlines(1)) - for l in self.listcache[1]: - (f, n) = l.split('\0') - map[f] = bin(n[:40]) - flag[f] = (n[40:-1] == "x") - self.mapcache = (node, map, flag) - return map - - def readflags(self, node): - if node == nullid: return {} # don't upset local cache - if not self.mapcache or self.mapcache[0] != node: - self.read(node) - return self.mapcache[2] - - def diff(self, a, b): - # this is sneaky, as we're not actually using a and b - if self.listcache and self.addlist and self.listcache[0] == a: - d = mdiff.diff(self.listcache[1], self.addlist, 1) - if mdiff.patch(a, d) != b: - sys.stderr.write("*** sortdiff failed, falling back ***\n") - return mdiff.textdiff(a, b) - return d - else: - return mdiff.textdiff(a, b) - - def add(self, map, flags, transaction, link, p1=None, p2=None, - changed=None): - # directly generate the mdiff delta from the data collected during - # the bisect loop below - def gendelta(delta): - i = 0 - result = [] - while i < len(delta): - start = delta[i][2] - end = delta[i][3] - l = delta[i][4] - if l == None: - l = "" - while i < len(delta) - 1 and start <= delta[i+1][2] \ - and end >= delta[i+1][2]: - if delta[i+1][3] > end: - end = delta[i+1][3] - if delta[i+1][4]: - l += delta[i+1][4] - i += 1 - result.append(struct.pack(">lll", start, end, len(l)) + l) - i += 1 - return result - - # apply the changes collected during the bisect loop to our addlist - def addlistdelta(addlist, delta): - # apply the deltas to the addlist. start from the bottom up - # so changes to the offsets don't mess things up. - i = len(delta) - while i > 0: - i -= 1 - start = delta[i][0] - end = delta[i][1] - if delta[i][4]: - addlist[start:end] = [delta[i][4]] - else: - del addlist[start:end] - return addlist - - # calculate the byte offset of the start of each line in the - # manifest - def calcoffsets(addlist): - offsets = [0] * (len(addlist) + 1) - offset = 0 - i = 0 - while i < len(addlist): - offsets[i] = offset - offset += len(addlist[i]) - i += 1 - offsets[i] = offset - return offsets - - # if we're using the listcache, make sure it is valid and - # parented by the same node we're diffing against - if not changed or not self.listcache or not p1 or \ - self.mapcache[0] != p1: - files = map.keys() - files.sort() - - self.addlist = ["%s\000%s%s\n" % - (f, hex(map[f]), flags[f] and "x" or '') - for f in files] - cachedelta = None - else: - addlist = self.listcache[1] - - # find the starting offset for each line in the add list - offsets = calcoffsets(addlist) - - # combine the changed lists into one list for sorting - work = [[x, 0] for x in changed[0]] - work[len(work):] = [[x, 1] for x in changed[1]] - work.sort() - - delta = [] - bs = 0 - - for w in work: - f = w[0] - # bs will either be the index of the item or the insert point - bs = bisect.bisect(addlist, f, bs) - if bs < len(addlist): - fn = addlist[bs][:addlist[bs].index('\0')] - else: - fn = None - if w[1] == 0: - l = "%s\000%s%s\n" % (f, hex(map[f]), - flags[f] and "x" or '') - else: - l = None - start = bs - if fn != f: - # item not found, insert a new one - end = bs - if w[1] == 1: - sys.stderr.write("failed to remove %s from manifest\n" - % f) - sys.exit(1) - else: - # item is found, replace/delete the existing line - end = bs + 1 - delta.append([start, end, offsets[start], offsets[end], l]) - - self.addlist = addlistdelta(addlist, delta) - if self.mapcache[0] == self.tip(): - cachedelta = "".join(gendelta(delta)) - else: - cachedelta = None - - text = "".join(self.addlist) - if cachedelta and mdiff.patch(self.listcache[0], cachedelta) != text: - sys.stderr.write("manifest delta failure\n") - sys.exit(1) - n = self.addrevision(text, transaction, link, p1, p2, cachedelta) - self.mapcache = (n, map, flags) - self.listcache = (text, self.addlist) - self.addlist = None - - return n - -class changelog(revlog): - def __init__(self, opener): - revlog.__init__(self, opener, "00changelog.i", "00changelog.d") - - def extract(self, text): - if not text: - return (nullid, "", "0", [], "") - last = text.index("\n\n") - desc = text[last + 2:] - l = text[:last].splitlines() - manifest = bin(l[0]) - user = l[1] - date = l[2] - if " " not in date: - date += " 0" # some tools used -d without a timezone - files = l[3:] - return (manifest, user, date, files, desc) - - def read(self, node): - return self.extract(self.revision(node)) - - def add(self, manifest, list, desc, transaction, p1=None, p2=None, - user=None, date=None): - if not date: - if time.daylight: offset = time.altzone - else: offset = time.timezone - date = "%d %d" % (time.time(), offset) - list.sort() - l = [hex(manifest), user, date] + list + ["", desc] - text = "\n".join(l) - return self.addrevision(text, transaction, self.count(), p1, p2) - -class dirstate: - def __init__(self, opener, ui, root): - self.opener = opener - self.root = root - self.dirty = 0 - self.ui = ui - self.map = None - self.pl = None - self.copies = {} - self.ignorefunc = None - - def wjoin(self, f): - return os.path.join(self.root, f) - - def getcwd(self): - cwd = os.getcwd() - if cwd == self.root: return '' - return cwd[len(self.root) + 1:] - - def ignore(self, f): - if not self.ignorefunc: - bigpat = [] - try: - l = file(self.wjoin(".hgignore")) - for pat in l: - p = pat.rstrip() - if p: - try: - re.compile(p) - except: - self.ui.warn("ignoring invalid ignore" - + " regular expression '%s'\n" % p) - else: - bigpat.append(p) - except IOError: pass - - if bigpat: - s = "(?:%s)" % (")|(?:".join(bigpat)) - r = re.compile(s) - self.ignorefunc = r.search - else: - self.ignorefunc = util.never - - return self.ignorefunc(f) - - def __del__(self): - if self.dirty: - self.write() - - def __getitem__(self, key): - try: - return self.map[key] - except TypeError: - self.read() - return self[key] - - def __contains__(self, key): - if not self.map: self.read() - return key in self.map - - def parents(self): - if not self.pl: - self.read() - return self.pl - - def markdirty(self): - if not self.dirty: - self.dirty = 1 - - def setparents(self, p1, p2=nullid): - self.markdirty() - self.pl = p1, p2 - - def state(self, key): - try: - return self[key][0] - except KeyError: - return "?" - - def read(self): - if self.map is not None: return self.map - - self.map = {} - self.pl = [nullid, nullid] - try: - st = self.opener("dirstate").read() - if not st: return - except: return - - self.pl = [st[:20], st[20: 40]] - - pos = 40 - while pos < len(st): - e = struct.unpack(">cllll", st[pos:pos+17]) - l = e[4] - pos += 17 - f = st[pos:pos + l] - if '\0' in f: - f, c = f.split('\0') - self.copies[f] = c - self.map[f] = e[:4] - pos += l - - def copy(self, source, dest): - self.read() - self.markdirty() - self.copies[dest] = source - - def copied(self, file): - return self.copies.get(file, None) - - def update(self, files, state, **kw): - ''' current states: - n normal - m needs merging - r marked for removal - a marked for addition''' - - if not files: return - self.read() - self.markdirty() - for f in files: - if state == "r": - self.map[f] = ('r', 0, 0, 0) - else: - s = os.stat(os.path.join(self.root, f)) - st_size = kw.get('st_size', s.st_size) - st_mtime = kw.get('st_mtime', s.st_mtime) - self.map[f] = (state, s.st_mode, st_size, st_mtime) - - def forget(self, files): - if not files: return - self.read() - self.markdirty() - for f in files: - try: - del self.map[f] - except KeyError: - self.ui.warn("not in dirstate: %s!\n" % f) - pass - - def clear(self): - self.map = {} - self.markdirty() - - def write(self): - st = self.opener("dirstate", "w") - st.write("".join(self.pl)) - for f, e in self.map.items(): - c = self.copied(f) - if c: - f = f + "\0" + c - e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) - st.write(e + f) - self.dirty = 0 - - def filterfiles(self, files): - ret = {} - unknown = [] - - for x in files: - if x is '.': - return self.map.copy() - if x not in self.map: - unknown.append(x) - else: - ret[x] = self.map[x] - - if not unknown: - return ret - - b = self.map.keys() - b.sort() - blen = len(b) - - for x in unknown: - bs = bisect.bisect(b, x) - if bs != 0 and b[bs-1] == x: - ret[x] = self.map[x] - continue - while bs < blen: - s = b[bs] - if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/': - ret[s] = self.map[s] - else: - break - bs += 1 - return ret - - def walk(self, files=None, match=util.always, dc=None): - self.read() - - # walk all files by default - if not files: - files = [self.root] - if not dc: - dc = self.map.copy() - elif not dc: - dc = self.filterfiles(files) - - known = {'.hg': 1} - def seen(fn): - if fn in known: return True - known[fn] = 1 - def traverse(): - for ff in util.unique(files): - f = os.path.join(self.root, ff) - try: - st = os.stat(f) - except OSError, inst: - if ff not in dc: self.ui.warn('%s: %s\n' % ( - util.pathto(self.getcwd(), ff), - inst.strerror)) - continue - if stat.S_ISDIR(st.st_mode): - for dir, subdirs, fl in os.walk(f): - d = dir[len(self.root) + 1:] - nd = util.normpath(d) - if nd == '.': nd = '' - if seen(nd): - subdirs[:] = [] - continue - for sd in subdirs: - ds = os.path.join(nd, sd +'/') - if self.ignore(ds) or not match(ds): - subdirs.remove(sd) - subdirs.sort() - fl.sort() - for fn in fl: - fn = util.pconvert(os.path.join(d, fn)) - yield 'f', fn - elif stat.S_ISREG(st.st_mode): - yield 'f', ff - else: - kind = 'unknown' - if stat.S_ISCHR(st.st_mode): kind = 'character device' - elif stat.S_ISBLK(st.st_mode): kind = 'block device' - elif stat.S_ISFIFO(st.st_mode): kind = 'fifo' - elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link' - elif stat.S_ISSOCK(st.st_mode): kind = 'socket' - self.ui.warn('%s: unsupported file type (type is %s)\n' % ( - util.pathto(self.getcwd(), ff), - kind)) - - ks = dc.keys() - ks.sort() - for k in ks: - yield 'm', k - - # yield only files that match: all in dirstate, others only if - # not in .hgignore - - for src, fn in util.unique(traverse()): - fn = util.normpath(fn) - if seen(fn): continue - if fn not in dc and self.ignore(fn): - continue - if match(fn): - yield src, fn - - def changes(self, files=None, match=util.always): - self.read() - if not files: - dc = self.map.copy() - else: - dc = self.filterfiles(files) - lookup, modified, added, unknown = [], [], [], [] - removed, deleted = [], [] - - for src, fn in self.walk(files, match, dc=dc): - try: - s = os.stat(os.path.join(self.root, fn)) - except OSError: - continue - if not stat.S_ISREG(s.st_mode): - continue - c = dc.get(fn) - if c: - del dc[fn] - if c[0] == 'm': - modified.append(fn) - elif c[0] == 'a': - added.append(fn) - elif c[0] == 'r': - unknown.append(fn) - elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100: - modified.append(fn) - elif c[3] != s.st_mtime: - lookup.append(fn) - else: - unknown.append(fn) - - for fn, c in [(fn, c) for fn, c in dc.items() if match(fn)]: - if c[0] == 'r': - removed.append(fn) - else: - deleted.append(fn) - return (lookup, modified, added, removed + deleted, unknown) - -# used to avoid circular references so destructors work -def opener(base): - p = base - def o(path, mode="r"): - if p.startswith("http://"): - f = os.path.join(p, urllib.quote(path)) - return httprangereader.httprangereader(f) - - f = os.path.join(p, path) - - mode += "b" # for that other OS - - if mode[0] != "r": - try: - s = os.stat(f) - except OSError: - d = os.path.dirname(f) - if not os.path.isdir(d): - os.makedirs(d) - else: - if s.st_nlink > 1: - file(f + ".tmp", "wb").write(file(f, "rb").read()) - util.rename(f+".tmp", f) - - return file(f, mode) - - return o - -class RepoError(Exception): pass - -class localrepository: - def __init__(self, ui, path=None, create=0): - self.remote = 0 - if path and path.startswith("http://"): - self.remote = 1 - self.path = path - else: - if not path: - p = os.getcwd() - while not os.path.isdir(os.path.join(p, ".hg")): - oldp = p - p = os.path.dirname(p) - if p == oldp: raise RepoError("no repo found") - path = p - self.path = os.path.join(path, ".hg") - - if not create and not os.path.isdir(self.path): - raise RepoError("repository %s not found" % self.path) - - self.root = os.path.abspath(path) - self.ui = ui - - if create: - os.mkdir(self.path) - os.mkdir(self.join("data")) - - self.opener = opener(self.path) - self.wopener = opener(self.root) - self.manifest = manifest(self.opener) - self.changelog = changelog(self.opener) - self.tagscache = None - self.nodetagscache = None - - if not self.remote: - self.dirstate = dirstate(self.opener, ui, self.root) - try: - self.ui.readconfig(self.opener("hgrc")) - except IOError: pass - - def hook(self, name, **args): - s = self.ui.config("hooks", name) - if s: - self.ui.note("running hook %s: %s\n" % (name, s)) - old = {} - for k, v in args.items(): - k = k.upper() - old[k] = os.environ.get(k, None) - os.environ[k] = v - - r = os.system(s) - - for k, v in old.items(): - if v != None: - os.environ[k] = v - else: - del os.environ[k] - - if r: - self.ui.warn("abort: %s hook failed with status %d!\n" % - (name, r)) - return False - return True - - def tags(self): - '''return a mapping of tag to node''' - if not self.tagscache: - self.tagscache = {} - def addtag(self, k, n): - try: - bin_n = bin(n) - except TypeError: - bin_n = '' - self.tagscache[k.strip()] = bin_n - - try: - # read each head of the tags file, ending with the tip - # and add each tag found to the map, with "newer" ones - # taking precedence - fl = self.file(".hgtags") - h = fl.heads() - h.reverse() - for r in h: - for l in fl.read(r).splitlines(): - if l: - n, k = l.split(" ", 1) - addtag(self, k, n) - except KeyError: - pass - - try: - f = self.opener("localtags") - for l in f: - n, k = l.split(" ", 1) - addtag(self, k, n) - except IOError: - pass - - self.tagscache['tip'] = self.changelog.tip() - - return self.tagscache - - def tagslist(self): - '''return a list of tags ordered by revision''' - l = [] - for t, n in self.tags().items(): - try: - r = self.changelog.rev(n) - except: - r = -2 # sort to the beginning of the list if unknown - l.append((r,t,n)) - l.sort() - return [(t,n) for r,t,n in l] - - def nodetags(self, node): - '''return the tags associated with a node''' - if not self.nodetagscache: - self.nodetagscache = {} - for t,n in self.tags().items(): - self.nodetagscache.setdefault(n,[]).append(t) - return self.nodetagscache.get(node, []) - - def lookup(self, key): - try: - return self.tags()[key] - except KeyError: - try: - return self.changelog.lookup(key) - except: - raise RepoError("unknown revision '%s'" % key) - - def dev(self): - if self.remote: return -1 - return os.stat(self.path).st_dev - - def local(self): - return not self.remote - - def join(self, f): - return os.path.join(self.path, f) - - def wjoin(self, f): - return os.path.join(self.root, f) - - def file(self, f): - if f[0] == '/': f = f[1:] - return filelog(self.opener, f) - - def getcwd(self): - return self.dirstate.getcwd() - - def wfile(self, f, mode='r'): - return self.wopener(f, mode) - - def wread(self, filename): - return self.wopener(filename, 'r').read() - - def wwrite(self, filename, data, fd=None): - if fd: - return fd.write(data) - return self.wopener(filename, 'w').write(data) - - def transaction(self): - # save dirstate for undo - try: - ds = self.opener("dirstate").read() - except IOError: - ds = "" - self.opener("journal.dirstate", "w").write(ds) - - def after(): - util.rename(self.join("journal"), self.join("undo")) - util.rename(self.join("journal.dirstate"), - self.join("undo.dirstate")) - - return transaction.transaction(self.ui.warn, self.opener, - self.join("journal"), after) - - def recover(self): - lock = self.lock() - if os.path.exists(self.join("journal")): - self.ui.status("rolling back interrupted transaction\n") - return transaction.rollback(self.opener, self.join("journal")) - else: - self.ui.warn("no interrupted transaction available\n") - - def undo(self): - lock = self.lock() - if os.path.exists(self.join("undo")): - self.ui.status("rolling back last transaction\n") - transaction.rollback(self.opener, self.join("undo")) - self.dirstate = None - util.rename(self.join("undo.dirstate"), self.join("dirstate")) - self.dirstate = dirstate(self.opener, self.ui, self.root) - else: - self.ui.warn("no undo information available\n") - - def lock(self, wait=1): - try: - return lock.lock(self.join("lock"), 0) - except lock.LockHeld, inst: - if wait: - self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) - return lock.lock(self.join("lock"), wait) - raise inst - - def rawcommit(self, files, text, user, date, p1=None, p2=None): - orig_parent = self.dirstate.parents()[0] or nullid - p1 = p1 or self.dirstate.parents()[0] or nullid - p2 = p2 or self.dirstate.parents()[1] or nullid - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - changed = [] - - if orig_parent == p1: - update_dirstate = 1 - else: - update_dirstate = 0 - - tr = self.transaction() - mm = m1.copy() - mfm = mf1.copy() - linkrev = self.changelog.count() - for f in files: - try: - t = self.wread(f) - tm = util.is_exec(self.wjoin(f), mfm.get(f, False)) - r = self.file(f) - mfm[f] = tm - - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - mm[f] = fp1 - continue - - mm[f] = r.add(t, {}, tr, linkrev, fp1, fp2) - changed.append(f) - if update_dirstate: - self.dirstate.update([f], "n") - except IOError: - try: - del mm[f] - del mfm[f] - if update_dirstate: - self.dirstate.forget([f]) - except: - # deleted from p2? - pass - - mnode = self.manifest.add(mm, mfm, tr, linkrev, c1[0], c2[0]) - user = user or self.ui.username() - n = self.changelog.add(mnode, changed, text, tr, p1, p2, user, date) - tr.close() - if update_dirstate: - self.dirstate.setparents(n, nullid) - - def commit(self, files = None, text = "", user = None, date = None, - match = util.always, force=False): - commit = [] - remove = [] - changed = [] - - if files: - for f in files: - s = self.dirstate.state(f) - if s in 'nmai': - commit.append(f) - elif s == 'r': - remove.append(f) - else: - self.ui.warn("%s not tracked!\n" % f) - else: - (c, a, d, u) = self.changes(match=match) - commit = c + a - remove = d - - p1, p2 = self.dirstate.parents() - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - - if not commit and not remove and not force and p2 == nullid: - self.ui.status("nothing changed\n") - return None - - if not self.hook("precommit"): - return None - - lock = self.lock() - tr = self.transaction() - - # check in files - new = {} - linkrev = self.changelog.count() - commit.sort() - for f in commit: - self.ui.note(f + "\n") - try: - mf1[f] = util.is_exec(self.wjoin(f), mf1.get(f, False)) - t = self.wread(f) - except IOError: - self.ui.warn("trouble committing %s!\n" % f) - raise - - meta = {} - cp = self.dirstate.copied(f) - if cp: - meta["copy"] = cp - meta["copyrev"] = hex(m1.get(cp, m2.get(cp, nullid))) - self.ui.debug(" %s: copy %s:%s\n" % (f, cp, meta["copyrev"])) - - r = self.file(f) - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if not meta and t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - new[f] = fp1 - continue - - new[f] = r.add(t, meta, tr, linkrev, fp1, fp2) - # remember what we've added so that we can later calculate - # the files to pull from a set of changesets - changed.append(f) - - # update manifest - m1.update(new) - for f in remove: - if f in m1: - del m1[f] - mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0], - (new, remove)) - - # add changeset - new = new.keys() - new.sort() - - if not text: - edittext = "" - if p2 != nullid: - edittext += "HG: branch merge\n" - edittext += "\n" + "HG: manifest hash %s\n" % hex(mn) - edittext += "".join(["HG: changed %s\n" % f for f in changed]) - edittext += "".join(["HG: removed %s\n" % f for f in remove]) - if not changed and not remove: - edittext += "HG: no files changed\n" - edittext = self.ui.edit(edittext) - if not edittext.rstrip(): - return None - text = edittext - - user = user or self.ui.username() - n = self.changelog.add(mn, changed, text, tr, p1, p2, user, date) - tr.close() - - self.dirstate.setparents(n) - self.dirstate.update(new, "n") - self.dirstate.forget(remove) - - if not self.hook("commit", node=hex(n)): - return None - return n - - def walk(self, node=None, files=[], match=util.always): - if node: - for fn in self.manifest.read(self.changelog.read(node)[0]): - if match(fn): yield 'm', fn - else: - for src, fn in self.dirstate.walk(files, match): - yield src, fn - - def changes(self, node1 = None, node2 = None, files = [], - match = util.always): - mf2, u = None, [] - - def fcmp(fn, mf): - t1 = self.wread(fn) - t2 = self.file(fn).read(mf.get(fn, nullid)) - return cmp(t1, t2) - - def mfmatches(node): - mf = dict(self.manifest.read(node)) - for fn in mf.keys(): - if not match(fn): - del mf[fn] - return mf - - # are we comparing the working directory? - if not node2: - l, c, a, d, u = self.dirstate.changes(files, match) - - # are we comparing working dir against its parent? - if not node1: - if l: - # do a full compare of any files that might have changed - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in l: - if fcmp(f, mf2): - c.append(f) - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - # are we comparing working dir against non-tip? - # generate a pseudo-manifest for the working dir - if not node2: - if not mf2: - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in a + c + l: - mf2[f] = "" - for f in d: - if f in mf2: del mf2[f] - else: - change = self.changelog.read(node2) - mf2 = mfmatches(change[0]) - - # flush lists from dirstate before comparing manifests - c, a = [], [] - - change = self.changelog.read(node1) - mf1 = mfmatches(change[0]) - - for fn in mf2: - if mf1.has_key(fn): - if mf1[fn] != mf2[fn]: - if mf2[fn] != "" or fcmp(fn, mf1): - c.append(fn) - del mf1[fn] - else: - a.append(fn) - - d = mf1.keys() - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - def add(self, list): - for f in list: - p = self.wjoin(f) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % f) - elif not os.path.isfile(p): - self.ui.warn("%s not added: only files supported currently\n" % f) - elif self.dirstate.state(f) in 'an': - self.ui.warn("%s already tracked!\n" % f) - else: - self.dirstate.update([f], "a") - - def forget(self, list): - for f in list: - if self.dirstate.state(f) not in 'ai': - self.ui.warn("%s not added!\n" % f) - else: - self.dirstate.forget([f]) - - def remove(self, list): - for f in list: - p = self.wjoin(f) - if os.path.exists(p): - self.ui.warn("%s still exists!\n" % f) - elif self.dirstate.state(f) == 'a': - self.ui.warn("%s never committed!\n" % f) - self.dirstate.forget([f]) - elif f not in self.dirstate: - self.ui.warn("%s not tracked!\n" % f) - else: - self.dirstate.update([f], "r") - - def copy(self, source, dest): - p = self.wjoin(dest) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % dest) - elif not os.path.isfile(p): - self.ui.warn("copy failed: %s is not a file\n" % dest) - else: - if self.dirstate.state(dest) == '?': - self.dirstate.update([dest], "a") - self.dirstate.copy(source, dest) - - def heads(self): - return self.changelog.heads() - - # branchlookup returns a dict giving a list of branches for - # each head. A branch is defined as the tag of a node or - # the branch of the node's parents. If a node has multiple - # branch tags, tags are eliminated if they are visible from other - # branch tags. - # - # So, for this graph: a->b->c->d->e - # \ / - # aa -----/ - # a has tag 2.6.12 - # d has tag 2.6.13 - # e would have branch tags for 2.6.12 and 2.6.13. Because the node - # for 2.6.12 can be reached from the node 2.6.13, that is eliminated - # from the list. - # - # It is possible that more than one head will have the same branch tag. - # callers need to check the result for multiple heads under the same - # branch tag if that is a problem for them (ie checkout of a specific - # branch). - # - # passing in a specific branch will limit the depth of the search - # through the parents. It won't limit the branches returned in the - # result though. - def branchlookup(self, heads=None, branch=None): - if not heads: - heads = self.heads() - headt = [ h for h in heads ] - chlog = self.changelog - branches = {} - merges = [] - seenmerge = {} - - # traverse the tree once for each head, recording in the branches - # dict which tags are visible from this head. The branches - # dict also records which tags are visible from each tag - # while we traverse. - while headt or merges: - if merges: - n, found = merges.pop() - visit = [n] - else: - h = headt.pop() - visit = [h] - found = [h] - seen = {} - while visit: - n = visit.pop() - if n in seen: - continue - pp = chlog.parents(n) - tags = self.nodetags(n) - if tags: - for x in tags: - if x == 'tip': - continue - for f in found: - branches.setdefault(f, {})[n] = 1 - branches.setdefault(n, {})[n] = 1 - break - if n not in found: - found.append(n) - if branch in tags: - continue - seen[n] = 1 - if pp[1] != nullid and n not in seenmerge: - merges.append((pp[1], [x for x in found])) - seenmerge[n] = 1 - if pp[0] != nullid: - visit.append(pp[0]) - # traverse the branches dict, eliminating branch tags from each - # head that are visible from another branch tag for that head. - out = {} - viscache = {} - for h in heads: - def visible(node): - if node in viscache: - return viscache[node] - ret = {} - visit = [node] - while visit: - x = visit.pop() - if x in viscache: - ret.update(viscache[x]) - elif x not in ret: - ret[x] = 1 - if x in branches: - visit[len(visit):] = branches[x].keys() - viscache[node] = ret - return ret - if h not in branches: - continue - # O(n^2), but somewhat limited. This only searches the - # tags visible from a specific head, not all the tags in the - # whole repo. - for b in branches[h]: - vis = False - for bb in branches[h].keys(): - if b != bb: - if b in visible(bb): - vis = True - break - if not vis: - l = out.setdefault(h, []) - l[len(l):] = self.nodetags(b) - return out - - def branches(self, nodes): - if not nodes: nodes = [self.changelog.tip()] - b = [] - for n in nodes: - t = n - while n: - p = self.changelog.parents(n) - if p[1] != nullid or p[0] == nullid: - b.append((t, n, p[0], p[1])) - break - n = p[0] - return b - - def between(self, pairs): - r = [] - - for top, bottom in pairs: - n, l, i = top, [], 0 - f = 1 - - while n != bottom: - p = self.changelog.parents(n)[0] - if i == f: - l.append(n) - f = f * 2 - n = p - i += 1 - - r.append(l) - - return r - - def newer(self, nodes): - m = {} - nl = [] - pm = {} - cl = self.changelog - t = l = cl.count() - - # find the lowest numbered node - for n in nodes: - l = min(l, cl.rev(n)) - m[n] = 1 - - for i in xrange(l, t): - n = cl.node(i) - if n in m: # explicitly listed - pm[n] = 1 - nl.append(n) - continue - for p in cl.parents(n): - if p in pm: # parent listed - pm[n] = 1 - nl.append(n) - break - - return nl - - def findincoming(self, remote, base=None, heads=None): - m = self.changelog.nodemap - search = [] - fetch = {} - seen = {} - seenbranch = {} - if base == None: - base = {} - - # assume we're closer to the tip than the root - # and start by examining the heads - self.ui.status("searching for changes\n") - - if not heads: - heads = remote.heads() - - unknown = [] - for h in heads: - if h not in m: - unknown.append(h) - else: - base[h] = 1 - - if not unknown: - return None - - rep = {} - reqcnt = 0 - - # search through remote branches - # a 'branch' here is a linear segment of history, with four parts: - # head, root, first parent, second parent - # (a branch always has two parents (or none) by definition) - unknown = remote.branches(unknown) - while unknown: - r = [] - while unknown: - n = unknown.pop(0) - if n[0] in seen: - continue - - self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) - if n[0] == nullid: - break - if n in seenbranch: - self.ui.debug("branch already found\n") - continue - if n[1] and n[1] in m: # do we know the base? - self.ui.debug("found incomplete branch %s:%s\n" - % (short(n[0]), short(n[1]))) - search.append(n) # schedule branch range for scanning - seenbranch[n] = 1 - else: - if n[1] not in seen and n[1] not in fetch: - if n[2] in m and n[3] in m: - self.ui.debug("found new changeset %s\n" % - short(n[1])) - fetch[n[1]] = 1 # earliest unknown - base[n[2]] = 1 # latest known - continue - - for a in n[2:4]: - if a not in rep: - r.append(a) - rep[a] = 1 - - seen[n[0]] = 1 - - if r: - reqcnt += 1 - self.ui.debug("request %d: %s\n" % - (reqcnt, " ".join(map(short, r)))) - for p in range(0, len(r), 10): - for b in remote.branches(r[p:p+10]): - self.ui.debug("received %s:%s\n" % - (short(b[0]), short(b[1]))) - if b[0] in m: - self.ui.debug("found base node %s\n" % short(b[0])) - base[b[0]] = 1 - elif b[0] not in seen: - unknown.append(b) - - # do binary search on the branches we found - while search: - n = search.pop(0) - reqcnt += 1 - l = remote.between([(n[0], n[1])])[0] - l.append(n[1]) - p = n[0] - f = 1 - for i in l: - self.ui.debug("narrowing %d:%d %s\n" % (f, len(l), short(i))) - if i in m: - if f <= 2: - self.ui.debug("found new branch changeset %s\n" % - short(p)) - fetch[p] = 1 - base[i] = 1 - else: - self.ui.debug("narrowed branch search to %s:%s\n" - % (short(p), short(i))) - search.append((p, i)) - break - p, f = i, f * 2 - - # sanity check our fetch list - for f in fetch.keys(): - if f in m: - raise RepoError("already have changeset " + short(f[:4])) - - if base.keys() == [nullid]: - self.ui.warn("warning: pulling from an unrelated repository!\n") - - self.ui.note("found new changesets starting at " + - " ".join([short(f) for f in fetch]) + "\n") - - self.ui.debug("%d total queries\n" % reqcnt) - - return fetch.keys() - - def findoutgoing(self, remote, base=None, heads=None): - if base == None: - base = {} - self.findincoming(remote, base, heads) - - self.ui.debug("common changesets up to " - + " ".join(map(short, base.keys())) + "\n") - - remain = dict.fromkeys(self.changelog.nodemap) - - # prune everything remote has from the tree - del remain[nullid] - remove = base.keys() - while remove: - n = remove.pop(0) - if n in remain: - del remain[n] - for p in self.changelog.parents(n): - remove.append(p) - - # find every node whose parents have been pruned - subset = [] - for n in remain: - p1, p2 = self.changelog.parents(n) - if p1 not in remain and p2 not in remain: - subset.append(n) - - # this is the set of all roots we have to push - return subset - - def pull(self, remote): - lock = self.lock() - - # if we have an empty repo, fetch everything - if self.changelog.tip() == nullid: - self.ui.status("requesting all changes\n") - fetch = [nullid] - else: - fetch = self.findincoming(remote) - - if not fetch: - self.ui.status("no changes found\n") - return 1 - - cg = remote.changegroup(fetch) - return self.addchangegroup(cg) - - def push(self, remote, force=False): - lock = remote.lock() - - base = {} - heads = remote.heads() - inc = self.findincoming(remote, base, heads) - if not force and inc: - self.ui.warn("abort: unsynced remote changes!\n") - self.ui.status("(did you forget to sync? use push -f to force)\n") - return 1 - - update = self.findoutgoing(remote, base) - if not update: - self.ui.status("no changes found\n") - return 1 - elif not force: - if len(heads) < len(self.changelog.heads()): - self.ui.warn("abort: push creates new remote branches!\n") - self.ui.status("(did you forget to merge?" + - " use push -f to force)\n") - return 1 - - cg = self.changegroup(update) - return remote.addchangegroup(cg) - - def changegroup(self, basenodes): - class genread: - def __init__(self, generator): - self.g = generator - self.buf = "" - def fillbuf(self): - self.buf += "".join(self.g) - - def read(self, l): - while l > len(self.buf): - try: - self.buf += self.g.next() - except StopIteration: - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - def gengroup(): - nodes = self.newer(basenodes) - - # construct the link map - linkmap = {} - for n in nodes: - linkmap[self.changelog.rev(n)] = n - - # construct a list of all changed files - changed = {} - for n in nodes: - c = self.changelog.read(n) - for f in c[3]: - changed[f] = 1 - changed = changed.keys() - changed.sort() - - # the changegroup is changesets + manifests + all file revs - revs = [ self.changelog.rev(n) for n in nodes ] - - for y in self.changelog.group(linkmap): yield y - for y in self.manifest.group(linkmap): yield y - for f in changed: - yield struct.pack(">l", len(f) + 4) + f - g = self.file(f).group(linkmap) - for y in g: - yield y - - yield struct.pack(">l", 0) - - return genread(gengroup()) - - def addchangegroup(self, source): - - def getchunk(): - d = source.read(4) - if not d: return "" - l = struct.unpack(">l", d)[0] - if l <= 4: return "" - return source.read(l - 4) - - def getgroup(): - while 1: - c = getchunk() - if not c: break - yield c - - def csmap(x): - self.ui.debug("add changeset %s\n" % short(x)) - return self.changelog.count() - - def revmap(x): - return self.changelog.rev(x) - - if not source: return - changesets = files = revisions = 0 - - tr = self.transaction() - - oldheads = len(self.changelog.heads()) - - # pull off the changeset group - self.ui.status("adding changesets\n") - co = self.changelog.tip() - cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique - changesets = self.changelog.rev(cn) - self.changelog.rev(co) - - # pull off the manifest group - self.ui.status("adding manifests\n") - mm = self.manifest.tip() - mo = self.manifest.addgroup(getgroup(), revmap, tr) - - # process the files - self.ui.status("adding file changes\n") - while 1: - f = getchunk() - if not f: break - self.ui.debug("adding %s revisions\n" % f) - fl = self.file(f) - o = fl.count() - n = fl.addgroup(getgroup(), revmap, tr) - revisions += fl.count() - o - files += 1 - - newheads = len(self.changelog.heads()) - heads = "" - if oldheads and newheads > oldheads: - heads = " (+%d heads)" % (newheads - oldheads) - - self.ui.status(("added %d changesets" + - " with %d changes to %d files%s\n") - % (changesets, revisions, files, heads)) - - tr.close() - - if not self.hook("changegroup"): - return 1 - - return - - def update(self, node, allow=False, force=False, choose=None, - moddirstate=True): - pl = self.dirstate.parents() - if not force and pl[1] != nullid: - self.ui.warn("aborting: outstanding uncommitted merges\n") - return 1 - - p1, p2 = pl[0], node - pa = self.changelog.ancestor(p1, p2) - m1n = self.changelog.read(p1)[0] - m2n = self.changelog.read(p2)[0] - man = self.manifest.ancestor(m1n, m2n) - m1 = self.manifest.read(m1n) - mf1 = self.manifest.readflags(m1n) - m2 = self.manifest.read(m2n) - mf2 = self.manifest.readflags(m2n) - ma = self.manifest.read(man) - mfa = self.manifest.readflags(man) - - (c, a, d, u) = self.changes() - - # is this a jump, or a merge? i.e. is there a linear path - # from p1 to p2? - linear_path = (pa == p1 or pa == p2) - - # resolve the manifest to determine which files - # we care about merging - self.ui.note("resolving manifests\n") - self.ui.debug(" force %s allow %s moddirstate %s linear %s\n" % - (force, allow, moddirstate, linear_path)) - self.ui.debug(" ancestor %s local %s remote %s\n" % - (short(man), short(m1n), short(m2n))) - - merge = {} - get = {} - remove = [] - - # construct a working dir manifest - mw = m1.copy() - mfw = mf1.copy() - umap = dict.fromkeys(u) - - for f in a + c + u: - mw[f] = "" - mfw[f] = util.is_exec(self.wjoin(f), mfw.get(f, False)) - - for f in d: - if f in mw: del mw[f] - - # If we're jumping between revisions (as opposed to merging), - # and if neither the working directory nor the target rev has - # the file, then we need to remove it from the dirstate, to - # prevent the dirstate from listing the file when it is no - # longer in the manifest. - if moddirstate and linear_path and f not in m2: - self.dirstate.forget((f,)) - - # Compare manifests - for f, n in mw.iteritems(): - if choose and not choose(f): continue - if f in m2: - s = 0 - - # is the wfile new since m1, and match m2? - if f not in m1: - t1 = self.wread(f) - t2 = self.file(f).read(m2[f]) - if cmp(t1, t2) == 0: - n = m2[f] - del t1, t2 - - # are files different? - if n != m2[f]: - a = ma.get(f, nullid) - # are both different from the ancestor? - if n != a and m2[f] != a: - self.ui.debug(" %s versions differ, resolve\n" % f) - # merge executable bits - # "if we changed or they changed, change in merge" - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - merge[f] = (m1.get(f, nullid), m2[f], mode) - s = 1 - # are we clobbering? - # is remote's version newer? - # or are we going back in time? - elif force or m2[f] != a or (p2 == pa and mw[f] == m1[f]): - self.ui.debug(" remote %s is newer, get\n" % f) - get[f] = m2[f] - s = 1 - elif f in umap: - # this unknown file is the same as the checkout - get[f] = m2[f] - - if not s and mfw[f] != mf2[f]: - if force: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mf2[f]) - else: - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - if mode != b: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mode) - del m2[f] - elif f in ma: - if n != ma[f]: - r = "d" - if not force and (linear_path or allow): - r = self.ui.prompt( - (" local changed %s which remote deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "d": - remove.append(f) - else: - self.ui.debug("other deleted %s\n" % f) - remove.append(f) # other deleted it - else: - if n == m1.get(f, nullid): # same as parent - if p2 == pa: # going backwards? - self.ui.debug("remote deleted %s\n" % f) - remove.append(f) - else: - self.ui.debug("local created %s, keeping\n" % f) - else: - self.ui.debug("working dir created %s, keeping\n" % f) - - for f, n in m2.iteritems(): - if choose and not choose(f): continue - if f[0] == "/": continue - if f in ma and n != ma[f]: - r = "k" - if not force and (linear_path or allow): - r = self.ui.prompt( - ("remote changed %s which local deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "k": get[f] = n - elif f not in ma: - self.ui.debug("remote created %s\n" % f) - get[f] = n - else: - if force or p2 == pa: # going backwards? - self.ui.debug("local deleted %s, recreating\n" % f) - get[f] = n - else: - self.ui.debug("local deleted %s\n" % f) - - del mw, m1, m2, ma - - if force: - for f in merge: - get[f] = merge[f][1] - merge = {} - - if linear_path or force: - # we don't need to do any magic, just jump to the new rev - branch_merge = False - p1, p2 = p2, nullid - else: - if not allow: - self.ui.status("this update spans a branch" + - " affecting the following files:\n") - fl = merge.keys() + get.keys() - fl.sort() - for f in fl: - cf = "" - if f in merge: cf = " (resolve)" - self.ui.status(" %s%s\n" % (f, cf)) - self.ui.warn("aborting update spanning branches!\n") - self.ui.status("(use update -m to merge across branches" + - " or -C to lose changes)\n") - return 1 - branch_merge = True - - if moddirstate: - self.dirstate.setparents(p1, p2) - - # get the files we don't need to change - files = get.keys() - files.sort() - for f in files: - if f[0] == "/": continue - self.ui.note("getting %s\n" % f) - t = self.file(f).read(get[f]) - try: - self.wwrite(f, t) - except IOError: - os.makedirs(os.path.dirname(self.wjoin(f))) - self.wwrite(f, t) - util.set_exec(self.wjoin(f), mf2[f]) - if moddirstate: - if branch_merge: - self.dirstate.update([f], 'n', st_mtime=-1) - else: - self.dirstate.update([f], 'n') - - # merge the tricky bits - files = merge.keys() - files.sort() - for f in files: - self.ui.status("merging %s\n" % f) - my, other, flag = merge[f] - self.merge3(f, my, other) - util.set_exec(self.wjoin(f), flag) - if moddirstate: - if branch_merge: - # We've done a branch merge, mark this file as merged - # so that we properly record the merger later - self.dirstate.update([f], 'm') - else: - # We've update-merged a locally modified file, so - # we set the dirstate to emulate a normal checkout - # of that file some time in the past. Thus our - # merge will appear as a normal local file - # modification. - f_len = len(self.file(f).read(other)) - self.dirstate.update([f], 'n', st_size=f_len, st_mtime=-1) - - remove.sort() - for f in remove: - self.ui.note("removing %s\n" % f) - try: - os.unlink(self.wjoin(f)) - except OSError, inst: - self.ui.warn("update failed to remove %s: %s!\n" % (f, inst)) - # try removing directories that might now be empty - try: os.removedirs(os.path.dirname(self.wjoin(f))) - except: pass - if moddirstate: - if branch_merge: - self.dirstate.update(remove, 'r') - else: - self.dirstate.forget(remove) - - def merge3(self, fn, my, other): - """perform a 3-way merge in the working directory""" - - def temp(prefix, node): - pre = "%s~%s." % (os.path.basename(fn), prefix) - (fd, name) = tempfile.mkstemp("", pre) - f = os.fdopen(fd, "wb") - self.wwrite(fn, fl.read(node), f) - f.close() - return name - - fl = self.file(fn) - base = fl.ancestor(my, other) - a = self.wjoin(fn) - b = temp("base", base) - c = temp("other", other) - - self.ui.note("resolving %s\n" % fn) - self.ui.debug("file %s: other %s ancestor %s\n" % - (fn, short(other), short(base))) - - cmd = (os.environ.get("HGMERGE") or self.ui.config("ui", "merge") - or "hgmerge") - r = os.system("%s %s %s %s" % (cmd, a, b, c)) - if r: - self.ui.warn("merging %s failed!\n" % fn) - - os.unlink(b) - os.unlink(c) - - def verify(self): - filelinkrevs = {} - filenodes = {} - changesets = revisions = files = 0 - errors = 0 - - seen = {} - self.ui.status("checking changesets\n") - for i in range(self.changelog.count()): - changesets += 1 - n = self.changelog.node(i) - if n in seen: - self.ui.warn("duplicate changeset at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.changelog.parents(n): - if p not in self.changelog.nodemap: - self.ui.warn("changeset %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - try: - changes = self.changelog.read(n) - except Exception, inst: - self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) - errors += 1 - - for f in changes[3]: - filelinkrevs.setdefault(f, []).append(i) - - seen = {} - self.ui.status("checking manifests\n") - for i in range(self.manifest.count()): - n = self.manifest.node(i) - if n in seen: - self.ui.warn("duplicate manifest at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.manifest.parents(n): - if p not in self.manifest.nodemap: - self.ui.warn("manifest %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - - try: - delta = mdiff.patchtext(self.manifest.delta(n)) - except KeyboardInterrupt: - self.ui.warn("aborted") - sys.exit(0) - except Exception, inst: - self.ui.warn("unpacking manifest %s: %s\n" - % (short(n), inst)) - errors += 1 - - ff = [ l.split('\0') for l in delta.splitlines() ] - for f, fn in ff: - filenodes.setdefault(f, {})[bin(fn[:40])] = 1 - - self.ui.status("crosschecking files in changesets and manifests\n") - for f in filenodes: - if f not in filelinkrevs: - self.ui.warn("file %s in manifest but not in changesets\n" % f) - errors += 1 - - for f in filelinkrevs: - if f not in filenodes: - self.ui.warn("file %s in changeset but not in manifest\n" % f) - errors += 1 - - self.ui.status("checking files\n") - ff = filenodes.keys() - ff.sort() - for f in ff: - if f == "/dev/null": continue - files += 1 - fl = self.file(f) - nodes = { nullid: 1 } - seen = {} - for i in range(fl.count()): - revisions += 1 - n = fl.node(i) - - if n in seen: - self.ui.warn("%s: duplicate revision %d\n" % (f, i)) - errors += 1 - - if n not in filenodes[f]: - self.ui.warn("%s: %d:%s not in manifests\n" - % (f, i, short(n))) - errors += 1 - else: - del filenodes[f][n] - - flr = fl.linkrev(n) - if flr not in filelinkrevs[f]: - self.ui.warn("%s:%s points to unexpected changeset %d\n" - % (f, short(n), fl.linkrev(n))) - errors += 1 - else: - filelinkrevs[f].remove(flr) - - # verify contents - try: - t = fl.read(n) - except Exception, inst: - self.ui.warn("unpacking file %s %s: %s\n" - % (f, short(n), inst)) - errors += 1 - - # verify parents - (p1, p2) = fl.parents(n) - if p1 not in nodes: - self.ui.warn("file %s:%s unknown parent 1 %s" % - (f, short(n), short(p1))) - errors += 1 - if p2 not in nodes: - self.ui.warn("file %s:%s unknown parent 2 %s" % - (f, short(n), short(p1))) - errors += 1 - nodes[n] = 1 - - # cross-check - for node in filenodes[f]: - self.ui.warn("node %s in manifests not in %s\n" - % (hex(node), f)) - errors += 1 - - self.ui.status("%d files, %d changesets, %d total revisions\n" % - (files, changesets, revisions)) - - if errors: - self.ui.warn("%d integrity errors encountered!\n" % errors) - return 1 - -class remoterepository: - def local(self): - return False - -class httprepository(remoterepository): - def __init__(self, ui, path): - # fix missing / after hostname - s = urlparse.urlsplit(path) - partial = s[2] - if not partial: partial = "/" - self.url = urlparse.urlunsplit((s[0], s[1], partial, '', '')) - self.ui = ui - no_list = [ "localhost", "127.0.0.1" ] - host = ui.config("http_proxy", "host") - if host is None: - host = os.environ.get("http_proxy") - if host and host.startswith('http://'): - host = host[7:] - user = ui.config("http_proxy", "user") - passwd = ui.config("http_proxy", "passwd") - no = ui.config("http_proxy", "no") - if no is None: - no = os.environ.get("no_proxy") - if no: - no_list = no_list + no.split(",") - - no_proxy = 0 - for h in no_list: - if (path.startswith("http://" + h + "/") or - path.startswith("http://" + h + ":") or - path == "http://" + h): - no_proxy = 1 - - # Note: urllib2 takes proxy values from the environment and those will - # take precedence - for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: - try: - if os.environ.has_key(env): - del os.environ[env] - except OSError: - pass - - proxy_handler = urllib2.BaseHandler() - if host and not no_proxy: - proxy_handler = urllib2.ProxyHandler({"http" : "http://" + host}) - - authinfo = None - if user and passwd: - passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm() - passmgr.add_password(None, host, user, passwd) - authinfo = urllib2.ProxyBasicAuthHandler(passmgr) - - opener = urllib2.build_opener(proxy_handler, authinfo) - urllib2.install_opener(opener) - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - q = {"cmd": cmd} - q.update(args) - qs = urllib.urlencode(q) - cu = "%s?%s" % (self.url, qs) - resp = urllib2.urlopen(cu) - proto = resp.headers['content-type'] - - # accept old "text/plain" and "application/hg-changegroup" for now - if not proto.startswith('application/mercurial') and \ - not proto.startswith('text/plain') and \ - not proto.startswith('application/hg-changegroup'): - raise RepoError("'%s' does not appear to be an hg repository" - % self.url) - - if proto.startswith('application/mercurial'): - version = proto[22:] - if float(version) > 0.1: - raise RepoError("'%s' uses newer protocol %s" % - (self.url, version)) - - return resp - - def heads(self): - d = self.do_cmd("heads").read() - try: - return map(bin, d[:-1].split(" ")) - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.do_cmd("branches", nodes=n).read() - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.do_cmd("between", pairs=n).read() - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - bytes = 0 - - class zread: - def __init__(self, f): - self.zd = zlib.decompressobj() - self.f = f - self.buf = "" - def read(self, l): - while l > len(self.buf): - r = self.f.read(4096) - if r: - self.buf += self.zd.decompress(r) - else: - self.buf += self.zd.flush() - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - return zread(f) - -class remotelock: - def __init__(self, repo): - self.repo = repo - def release(self): - self.repo.unlock() - self.repo = None - def __del__(self): - if self.repo: - self.release() - -class sshrepository(remoterepository): - def __init__(self, ui, path): - self.url = path - self.ui = ui - - m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?', path) - if not m: - raise RepoError("couldn't parse destination %s" % path) - - self.user = m.group(2) - self.host = m.group(3) - self.port = m.group(5) - self.path = m.group(7) or "." - - args = self.user and ("%s@%s" % (self.user, self.host)) or self.host - args = self.port and ("%s -p %s") % (args, self.port) or args - - sshcmd = self.ui.config("ui", "ssh", "ssh") - remotecmd = self.ui.config("ui", "remotecmd", "hg") - cmd = "%s %s '%s -R %s serve --stdio'" - cmd = cmd % (sshcmd, args, remotecmd, self.path) - - self.pipeo, self.pipei, self.pipee = os.popen3(cmd) - - def readerr(self): - while 1: - r,w,x = select.select([self.pipee], [], [], 0) - if not r: break - l = self.pipee.readline() - if not l: break - self.ui.status("remote: ", l) - - def __del__(self): - try: - self.pipeo.close() - self.pipei.close() - for l in self.pipee: - self.ui.status("remote: ", l) - self.pipee.close() - except: - pass - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - self.pipeo.write("%s\n" % cmd) - for k, v in args.items(): - self.pipeo.write("%s %d\n" % (k, len(v))) - self.pipeo.write(v) - self.pipeo.flush() - - return self.pipei - - def call(self, cmd, **args): - r = self.do_cmd(cmd, **args) - l = r.readline() - self.readerr() - try: - l = int(l) - except: - raise RepoError("unexpected response '%s'" % l) - return r.read(l) - - def lock(self): - self.call("lock") - return remotelock(self) - - def unlock(self): - self.call("unlock") - - def heads(self): - d = self.call("heads") - try: - return map(bin, d[:-1].split(" ")) - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.call("branches", nodes=n) - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.call("between", pairs=n) - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - return self.pipei - - def addchangegroup(self, cg): - d = self.call("addchangegroup") - if d: - raise RepoError("push refused: %s", d) - - while 1: - d = cg.read(4096) - if not d: break - self.pipeo.write(d) - self.readerr() - - self.pipeo.flush() - - self.readerr() - l = int(self.pipei.readline()) - return self.pipei.read(l) != "" - -class httpsrepository(httprepository): - pass - -def repository(ui, path=None, create=0): - if path: - if path.startswith("http://"): - return httprepository(ui, path) - if path.startswith("https://"): - return httpsrepository(ui, path) - if path.startswith("hg://"): - return httprepository(ui, path.replace("hg://", "http://")) - if path.startswith("old-http://"): - return localrepository(ui, path.replace("old-http://", "http://")) - if path.startswith("ssh://"): - return sshrepository(ui, path) - - return localrepository(ui, path, create) diff --git a/mercurial/hg.py b/mercurial/hg.py --- a/mercurial/hg.py +++ b/mercurial/hg.py @@ -5,590 +5,13 @@ # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. -import sys, struct, os +import os import util +from node import * from revlog import * +from repo import * from demandload import * -demandload(globals(), "re lock urllib urllib2 transaction time socket") -demandload(globals(), "tempfile httprangereader bdiff urlparse") -demandload(globals(), "bisect errno select stat") - -class filelog(revlog): - def __init__(self, opener, path): - revlog.__init__(self, opener, - os.path.join("data", self.encodedir(path + ".i")), - os.path.join("data", self.encodedir(path + ".d"))) - - # This avoids a collision between a file named foo and a dir named - # foo.i or foo.d - def encodedir(self, path): - return (path - .replace(".hg/", ".hg.hg/") - .replace(".i/", ".i.hg/") - .replace(".d/", ".d.hg/")) - - def decodedir(self, path): - return (path - .replace(".d.hg/", ".d/") - .replace(".i.hg/", ".i/") - .replace(".hg.hg/", ".hg/")) - - def read(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - return t[s+2:] - - def readmeta(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - mt = t[2:s] - for l in mt.splitlines(): - k, v = l.split(": ", 1) - m[k] = v - return m - - def add(self, text, meta, transaction, link, p1=None, p2=None): - if meta or text.startswith('\1\n'): - mt = "" - if meta: - mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] - text = "\1\n" + "".join(mt) + "\1\n" + text - return self.addrevision(text, transaction, link, p1, p2) - - def annotate(self, node): - - def decorate(text, rev): - return ([rev] * len(text.splitlines()), text) - - def pair(parent, child): - for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): - child[0][b1:b2] = parent[0][a1:a2] - return child - - # find all ancestors - needed = {node:1} - visit = [node] - while visit: - n = visit.pop(0) - for p in self.parents(n): - if p not in needed: - needed[p] = 1 - visit.append(p) - else: - # count how many times we'll use this - needed[p] += 1 - - # sort by revision which is a topological order - visit = [ (self.rev(n), n) for n in needed.keys() ] - visit.sort() - hist = {} - - for r,n in visit: - curr = decorate(self.read(n), self.linkrev(n)) - for p in self.parents(n): - if p != nullid: - curr = pair(hist[p], curr) - # trim the history of unneeded revs - needed[p] -= 1 - if not needed[p]: - del hist[p] - hist[n] = curr - - return zip(hist[n][0], hist[n][1].splitlines(1)) - -class manifest(revlog): - def __init__(self, opener): - self.mapcache = None - self.listcache = None - self.addlist = None - revlog.__init__(self, opener, "00manifest.i", "00manifest.d") - - def read(self, node): - if node == nullid: return {} # don't upset local cache - if self.mapcache and self.mapcache[0] == node: - return self.mapcache[1] - text = self.revision(node) - map = {} - flag = {} - self.listcache = (text, text.splitlines(1)) - for l in self.listcache[1]: - (f, n) = l.split('\0') - map[f] = bin(n[:40]) - flag[f] = (n[40:-1] == "x") - self.mapcache = (node, map, flag) - return map - - def readflags(self, node): - if node == nullid: return {} # don't upset local cache - if not self.mapcache or self.mapcache[0] != node: - self.read(node) - return self.mapcache[2] - - def diff(self, a, b): - # this is sneaky, as we're not actually using a and b - if self.listcache and self.addlist and self.listcache[0] == a: - d = mdiff.diff(self.listcache[1], self.addlist, 1) - if mdiff.patch(a, d) != b: - sys.stderr.write("*** sortdiff failed, falling back ***\n") - return mdiff.textdiff(a, b) - return d - else: - return mdiff.textdiff(a, b) - - def add(self, map, flags, transaction, link, p1=None, p2=None, - changed=None): - # directly generate the mdiff delta from the data collected during - # the bisect loop below - def gendelta(delta): - i = 0 - result = [] - while i < len(delta): - start = delta[i][2] - end = delta[i][3] - l = delta[i][4] - if l == None: - l = "" - while i < len(delta) - 1 and start <= delta[i+1][2] \ - and end >= delta[i+1][2]: - if delta[i+1][3] > end: - end = delta[i+1][3] - if delta[i+1][4]: - l += delta[i+1][4] - i += 1 - result.append(struct.pack(">lll", start, end, len(l)) + l) - i += 1 - return result - - # apply the changes collected during the bisect loop to our addlist - def addlistdelta(addlist, delta): - # apply the deltas to the addlist. start from the bottom up - # so changes to the offsets don't mess things up. - i = len(delta) - while i > 0: - i -= 1 - start = delta[i][0] - end = delta[i][1] - if delta[i][4]: - addlist[start:end] = [delta[i][4]] - else: - del addlist[start:end] - return addlist - - # calculate the byte offset of the start of each line in the - # manifest - def calcoffsets(addlist): - offsets = [0] * (len(addlist) + 1) - offset = 0 - i = 0 - while i < len(addlist): - offsets[i] = offset - offset += len(addlist[i]) - i += 1 - offsets[i] = offset - return offsets - - # if we're using the listcache, make sure it is valid and - # parented by the same node we're diffing against - if not changed or not self.listcache or not p1 or \ - self.mapcache[0] != p1: - files = map.keys() - files.sort() - - self.addlist = ["%s\000%s%s\n" % - (f, hex(map[f]), flags[f] and "x" or '') - for f in files] - cachedelta = None - else: - addlist = self.listcache[1] - - # find the starting offset for each line in the add list - offsets = calcoffsets(addlist) - - # combine the changed lists into one list for sorting - work = [[x, 0] for x in changed[0]] - work[len(work):] = [[x, 1] for x in changed[1]] - work.sort() - - delta = [] - bs = 0 - - for w in work: - f = w[0] - # bs will either be the index of the item or the insert point - bs = bisect.bisect(addlist, f, bs) - if bs < len(addlist): - fn = addlist[bs][:addlist[bs].index('\0')] - else: - fn = None - if w[1] == 0: - l = "%s\000%s%s\n" % (f, hex(map[f]), - flags[f] and "x" or '') - else: - l = None - start = bs - if fn != f: - # item not found, insert a new one - end = bs - if w[1] == 1: - sys.stderr.write("failed to remove %s from manifest\n" - % f) - sys.exit(1) - else: - # item is found, replace/delete the existing line - end = bs + 1 - delta.append([start, end, offsets[start], offsets[end], l]) - - self.addlist = addlistdelta(addlist, delta) - if self.mapcache[0] == self.tip(): - cachedelta = "".join(gendelta(delta)) - else: - cachedelta = None - - text = "".join(self.addlist) - if cachedelta and mdiff.patch(self.listcache[0], cachedelta) != text: - sys.stderr.write("manifest delta failure\n") - sys.exit(1) - n = self.addrevision(text, transaction, link, p1, p2, cachedelta) - self.mapcache = (n, map, flags) - self.listcache = (text, self.addlist) - self.addlist = None - - return n - -class changelog(revlog): - def __init__(self, opener): - revlog.__init__(self, opener, "00changelog.i", "00changelog.d") - - def extract(self, text): - if not text: - return (nullid, "", "0", [], "") - last = text.index("\n\n") - desc = text[last + 2:] - l = text[:last].splitlines() - manifest = bin(l[0]) - user = l[1] - date = l[2] - if " " not in date: - date += " 0" # some tools used -d without a timezone - files = l[3:] - return (manifest, user, date, files, desc) - - def read(self, node): - return self.extract(self.revision(node)) - - def add(self, manifest, list, desc, transaction, p1=None, p2=None, - user=None, date=None): - if not date: - if time.daylight: offset = time.altzone - else: offset = time.timezone - date = "%d %d" % (time.time(), offset) - list.sort() - l = [hex(manifest), user, date] + list + ["", desc] - text = "\n".join(l) - return self.addrevision(text, transaction, self.count(), p1, p2) - -class dirstate: - def __init__(self, opener, ui, root): - self.opener = opener - self.root = root - self.dirty = 0 - self.ui = ui - self.map = None - self.pl = None - self.copies = {} - self.ignorefunc = None - - def wjoin(self, f): - return os.path.join(self.root, f) - - def getcwd(self): - cwd = os.getcwd() - if cwd == self.root: return '' - return cwd[len(self.root) + 1:] - - def ignore(self, f): - if not self.ignorefunc: - bigpat = [] - try: - l = file(self.wjoin(".hgignore")) - for pat in l: - p = pat.rstrip() - if p: - try: - re.compile(p) - except: - self.ui.warn("ignoring invalid ignore" - + " regular expression '%s'\n" % p) - else: - bigpat.append(p) - except IOError: pass - - if bigpat: - s = "(?:%s)" % (")|(?:".join(bigpat)) - r = re.compile(s) - self.ignorefunc = r.search - else: - self.ignorefunc = util.never - - return self.ignorefunc(f) - - def __del__(self): - if self.dirty: - self.write() - - def __getitem__(self, key): - try: - return self.map[key] - except TypeError: - self.read() - return self[key] - - def __contains__(self, key): - if not self.map: self.read() - return key in self.map - - def parents(self): - if not self.pl: - self.read() - return self.pl - - def markdirty(self): - if not self.dirty: - self.dirty = 1 - - def setparents(self, p1, p2=nullid): - self.markdirty() - self.pl = p1, p2 - - def state(self, key): - try: - return self[key][0] - except KeyError: - return "?" - - def read(self): - if self.map is not None: return self.map - - self.map = {} - self.pl = [nullid, nullid] - try: - st = self.opener("dirstate").read() - if not st: return - except: return - - self.pl = [st[:20], st[20: 40]] - - pos = 40 - while pos < len(st): - e = struct.unpack(">cllll", st[pos:pos+17]) - l = e[4] - pos += 17 - f = st[pos:pos + l] - if '\0' in f: - f, c = f.split('\0') - self.copies[f] = c - self.map[f] = e[:4] - pos += l - - def copy(self, source, dest): - self.read() - self.markdirty() - self.copies[dest] = source - - def copied(self, file): - return self.copies.get(file, None) - - def update(self, files, state, **kw): - ''' current states: - n normal - m needs merging - r marked for removal - a marked for addition''' - - if not files: return - self.read() - self.markdirty() - for f in files: - if state == "r": - self.map[f] = ('r', 0, 0, 0) - else: - s = os.stat(os.path.join(self.root, f)) - st_size = kw.get('st_size', s.st_size) - st_mtime = kw.get('st_mtime', s.st_mtime) - self.map[f] = (state, s.st_mode, st_size, st_mtime) - - def forget(self, files): - if not files: return - self.read() - self.markdirty() - for f in files: - try: - del self.map[f] - except KeyError: - self.ui.warn("not in dirstate: %s!\n" % f) - pass - - def clear(self): - self.map = {} - self.markdirty() - - def write(self): - st = self.opener("dirstate", "w") - st.write("".join(self.pl)) - for f, e in self.map.items(): - c = self.copied(f) - if c: - f = f + "\0" + c - e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) - st.write(e + f) - self.dirty = 0 - - def filterfiles(self, files): - ret = {} - unknown = [] - - for x in files: - if x is '.': - return self.map.copy() - if x not in self.map: - unknown.append(x) - else: - ret[x] = self.map[x] - - if not unknown: - return ret - - b = self.map.keys() - b.sort() - blen = len(b) - - for x in unknown: - bs = bisect.bisect(b, x) - if bs != 0 and b[bs-1] == x: - ret[x] = self.map[x] - continue - while bs < blen: - s = b[bs] - if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/': - ret[s] = self.map[s] - else: - break - bs += 1 - return ret - - def walk(self, files=None, match=util.always, dc=None): - self.read() - - # walk all files by default - if not files: - files = [self.root] - if not dc: - dc = self.map.copy() - elif not dc: - dc = self.filterfiles(files) - - known = {'.hg': 1} - def seen(fn): - if fn in known: return True - known[fn] = 1 - def traverse(): - for ff in util.unique(files): - f = os.path.join(self.root, ff) - try: - st = os.stat(f) - except OSError, inst: - if ff not in dc: self.ui.warn('%s: %s\n' % ( - util.pathto(self.getcwd(), ff), - inst.strerror)) - continue - if stat.S_ISDIR(st.st_mode): - for dir, subdirs, fl in os.walk(f): - d = dir[len(self.root) + 1:] - nd = util.normpath(d) - if nd == '.': nd = '' - if seen(nd): - subdirs[:] = [] - continue - for sd in subdirs: - ds = os.path.join(nd, sd +'/') - if self.ignore(ds) or not match(ds): - subdirs.remove(sd) - subdirs.sort() - fl.sort() - for fn in fl: - fn = util.pconvert(os.path.join(d, fn)) - yield 'f', fn - elif stat.S_ISREG(st.st_mode): - yield 'f', ff - else: - kind = 'unknown' - if stat.S_ISCHR(st.st_mode): kind = 'character device' - elif stat.S_ISBLK(st.st_mode): kind = 'block device' - elif stat.S_ISFIFO(st.st_mode): kind = 'fifo' - elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link' - elif stat.S_ISSOCK(st.st_mode): kind = 'socket' - self.ui.warn('%s: unsupported file type (type is %s)\n' % ( - util.pathto(self.getcwd(), ff), - kind)) - - ks = dc.keys() - ks.sort() - for k in ks: - yield 'm', k - - # yield only files that match: all in dirstate, others only if - # not in .hgignore - - for src, fn in util.unique(traverse()): - fn = util.normpath(fn) - if seen(fn): continue - if fn not in dc and self.ignore(fn): - continue - if match(fn): - yield src, fn - - def changes(self, files=None, match=util.always): - self.read() - if not files: - dc = self.map.copy() - else: - dc = self.filterfiles(files) - lookup, modified, added, unknown = [], [], [], [] - removed, deleted = [], [] - - for src, fn in self.walk(files, match, dc=dc): - try: - s = os.stat(os.path.join(self.root, fn)) - except OSError: - continue - if not stat.S_ISREG(s.st_mode): - continue - c = dc.get(fn) - if c: - del dc[fn] - if c[0] == 'm': - modified.append(fn) - elif c[0] == 'a': - added.append(fn) - elif c[0] == 'r': - unknown.append(fn) - elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100: - modified.append(fn) - elif c[3] != s.st_mtime: - lookup.append(fn) - else: - unknown.append(fn) - - for fn, c in [(fn, c) for fn, c in dc.items() if match(fn)]: - if c[0] == 'r': - removed.append(fn) - else: - deleted.append(fn) - return (lookup, modified, added, removed + deleted, unknown) +demandload(globals(), "localrepo httprepo sshrepo") # used to avoid circular references so destructors work def opener(base): @@ -618,1679 +41,19 @@ def opener(base): return o -class RepoError(Exception): pass - -class localrepository: - def __init__(self, ui, path=None, create=0): - self.remote = 0 - if path and path.startswith("http://"): - self.remote = 1 - self.path = path - else: - if not path: - p = os.getcwd() - while not os.path.isdir(os.path.join(p, ".hg")): - oldp = p - p = os.path.dirname(p) - if p == oldp: raise RepoError("no repo found") - path = p - self.path = os.path.join(path, ".hg") - - if not create and not os.path.isdir(self.path): - raise RepoError("repository %s not found" % self.path) - - self.root = os.path.abspath(path) - self.ui = ui - - if create: - os.mkdir(self.path) - os.mkdir(self.join("data")) - - self.opener = opener(self.path) - self.wopener = opener(self.root) - self.manifest = manifest(self.opener) - self.changelog = changelog(self.opener) - self.tagscache = None - self.nodetagscache = None - - if not self.remote: - self.dirstate = dirstate(self.opener, ui, self.root) - try: - self.ui.readconfig(self.opener("hgrc")) - except IOError: pass - - def hook(self, name, **args): - s = self.ui.config("hooks", name) - if s: - self.ui.note("running hook %s: %s\n" % (name, s)) - old = {} - for k, v in args.items(): - k = k.upper() - old[k] = os.environ.get(k, None) - os.environ[k] = v - - r = os.system(s) - - for k, v in old.items(): - if v != None: - os.environ[k] = v - else: - del os.environ[k] - - if r: - self.ui.warn("abort: %s hook failed with status %d!\n" % - (name, r)) - return False - return True - - def tags(self): - '''return a mapping of tag to node''' - if not self.tagscache: - self.tagscache = {} - def addtag(self, k, n): - try: - bin_n = bin(n) - except TypeError: - bin_n = '' - self.tagscache[k.strip()] = bin_n - - try: - # read each head of the tags file, ending with the tip - # and add each tag found to the map, with "newer" ones - # taking precedence - fl = self.file(".hgtags") - h = fl.heads() - h.reverse() - for r in h: - for l in fl.read(r).splitlines(): - if l: - n, k = l.split(" ", 1) - addtag(self, k, n) - except KeyError: - pass - - try: - f = self.opener("localtags") - for l in f: - n, k = l.split(" ", 1) - addtag(self, k, n) - except IOError: - pass - - self.tagscache['tip'] = self.changelog.tip() - - return self.tagscache - - def tagslist(self): - '''return a list of tags ordered by revision''' - l = [] - for t, n in self.tags().items(): - try: - r = self.changelog.rev(n) - except: - r = -2 # sort to the beginning of the list if unknown - l.append((r,t,n)) - l.sort() - return [(t,n) for r,t,n in l] - - def nodetags(self, node): - '''return the tags associated with a node''' - if not self.nodetagscache: - self.nodetagscache = {} - for t,n in self.tags().items(): - self.nodetagscache.setdefault(n,[]).append(t) - return self.nodetagscache.get(node, []) - - def lookup(self, key): - try: - return self.tags()[key] - except KeyError: - try: - return self.changelog.lookup(key) - except: - raise RepoError("unknown revision '%s'" % key) - - def dev(self): - if self.remote: return -1 - return os.stat(self.path).st_dev - - def local(self): - return not self.remote - - def join(self, f): - return os.path.join(self.path, f) - - def wjoin(self, f): - return os.path.join(self.root, f) - - def file(self, f): - if f[0] == '/': f = f[1:] - return filelog(self.opener, f) - - def getcwd(self): - return self.dirstate.getcwd() - - def wfile(self, f, mode='r'): - return self.wopener(f, mode) - - def wread(self, filename): - return self.wopener(filename, 'r').read() - - def wwrite(self, filename, data, fd=None): - if fd: - return fd.write(data) - return self.wopener(filename, 'w').write(data) - - def transaction(self): - # save dirstate for undo - try: - ds = self.opener("dirstate").read() - except IOError: - ds = "" - self.opener("journal.dirstate", "w").write(ds) - - def after(): - util.rename(self.join("journal"), self.join("undo")) - util.rename(self.join("journal.dirstate"), - self.join("undo.dirstate")) - - return transaction.transaction(self.ui.warn, self.opener, - self.join("journal"), after) - - def recover(self): - lock = self.lock() - if os.path.exists(self.join("journal")): - self.ui.status("rolling back interrupted transaction\n") - return transaction.rollback(self.opener, self.join("journal")) - else: - self.ui.warn("no interrupted transaction available\n") - - def undo(self): - lock = self.lock() - if os.path.exists(self.join("undo")): - self.ui.status("rolling back last transaction\n") - transaction.rollback(self.opener, self.join("undo")) - self.dirstate = None - util.rename(self.join("undo.dirstate"), self.join("dirstate")) - self.dirstate = dirstate(self.opener, self.ui, self.root) - else: - self.ui.warn("no undo information available\n") - - def lock(self, wait=1): - try: - return lock.lock(self.join("lock"), 0) - except lock.LockHeld, inst: - if wait: - self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) - return lock.lock(self.join("lock"), wait) - raise inst - - def rawcommit(self, files, text, user, date, p1=None, p2=None): - orig_parent = self.dirstate.parents()[0] or nullid - p1 = p1 or self.dirstate.parents()[0] or nullid - p2 = p2 or self.dirstate.parents()[1] or nullid - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - changed = [] - - if orig_parent == p1: - update_dirstate = 1 - else: - update_dirstate = 0 - - tr = self.transaction() - mm = m1.copy() - mfm = mf1.copy() - linkrev = self.changelog.count() - for f in files: - try: - t = self.wread(f) - tm = util.is_exec(self.wjoin(f), mfm.get(f, False)) - r = self.file(f) - mfm[f] = tm - - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - mm[f] = fp1 - continue - - mm[f] = r.add(t, {}, tr, linkrev, fp1, fp2) - changed.append(f) - if update_dirstate: - self.dirstate.update([f], "n") - except IOError: - try: - del mm[f] - del mfm[f] - if update_dirstate: - self.dirstate.forget([f]) - except: - # deleted from p2? - pass - - mnode = self.manifest.add(mm, mfm, tr, linkrev, c1[0], c2[0]) - user = user or self.ui.username() - n = self.changelog.add(mnode, changed, text, tr, p1, p2, user, date) - tr.close() - if update_dirstate: - self.dirstate.setparents(n, nullid) - - def commit(self, files = None, text = "", user = None, date = None, - match = util.always, force=False): - commit = [] - remove = [] - changed = [] - - if files: - for f in files: - s = self.dirstate.state(f) - if s in 'nmai': - commit.append(f) - elif s == 'r': - remove.append(f) - else: - self.ui.warn("%s not tracked!\n" % f) - else: - (c, a, d, u) = self.changes(match=match) - commit = c + a - remove = d - - p1, p2 = self.dirstate.parents() - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - - if not commit and not remove and not force and p2 == nullid: - self.ui.status("nothing changed\n") - return None - - if not self.hook("precommit"): - return None - - lock = self.lock() - tr = self.transaction() - - # check in files - new = {} - linkrev = self.changelog.count() - commit.sort() - for f in commit: - self.ui.note(f + "\n") - try: - mf1[f] = util.is_exec(self.wjoin(f), mf1.get(f, False)) - t = self.wread(f) - except IOError: - self.ui.warn("trouble committing %s!\n" % f) - raise - - meta = {} - cp = self.dirstate.copied(f) - if cp: - meta["copy"] = cp - meta["copyrev"] = hex(m1.get(cp, m2.get(cp, nullid))) - self.ui.debug(" %s: copy %s:%s\n" % (f, cp, meta["copyrev"])) - - r = self.file(f) - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if not meta and t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - new[f] = fp1 - continue - - new[f] = r.add(t, meta, tr, linkrev, fp1, fp2) - # remember what we've added so that we can later calculate - # the files to pull from a set of changesets - changed.append(f) - - # update manifest - m1.update(new) - for f in remove: - if f in m1: - del m1[f] - mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0], - (new, remove)) - - # add changeset - new = new.keys() - new.sort() - - if not text: - edittext = "" - if p2 != nullid: - edittext += "HG: branch merge\n" - edittext += "\n" + "HG: manifest hash %s\n" % hex(mn) - edittext += "".join(["HG: changed %s\n" % f for f in changed]) - edittext += "".join(["HG: removed %s\n" % f for f in remove]) - if not changed and not remove: - edittext += "HG: no files changed\n" - edittext = self.ui.edit(edittext) - if not edittext.rstrip(): - return None - text = edittext - - user = user or self.ui.username() - n = self.changelog.add(mn, changed, text, tr, p1, p2, user, date) - tr.close() - - self.dirstate.setparents(n) - self.dirstate.update(new, "n") - self.dirstate.forget(remove) - - if not self.hook("commit", node=hex(n)): - return None - return n - - def walk(self, node=None, files=[], match=util.always): - if node: - for fn in self.manifest.read(self.changelog.read(node)[0]): - if match(fn): yield 'm', fn - else: - for src, fn in self.dirstate.walk(files, match): - yield src, fn - - def changes(self, node1 = None, node2 = None, files = [], - match = util.always): - mf2, u = None, [] - - def fcmp(fn, mf): - t1 = self.wread(fn) - t2 = self.file(fn).read(mf.get(fn, nullid)) - return cmp(t1, t2) - - def mfmatches(node): - mf = dict(self.manifest.read(node)) - for fn in mf.keys(): - if not match(fn): - del mf[fn] - return mf - - # are we comparing the working directory? - if not node2: - l, c, a, d, u = self.dirstate.changes(files, match) - - # are we comparing working dir against its parent? - if not node1: - if l: - # do a full compare of any files that might have changed - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in l: - if fcmp(f, mf2): - c.append(f) - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - # are we comparing working dir against non-tip? - # generate a pseudo-manifest for the working dir - if not node2: - if not mf2: - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in a + c + l: - mf2[f] = "" - for f in d: - if f in mf2: del mf2[f] - else: - change = self.changelog.read(node2) - mf2 = mfmatches(change[0]) - - # flush lists from dirstate before comparing manifests - c, a = [], [] - - change = self.changelog.read(node1) - mf1 = mfmatches(change[0]) - - for fn in mf2: - if mf1.has_key(fn): - if mf1[fn] != mf2[fn]: - if mf2[fn] != "" or fcmp(fn, mf1): - c.append(fn) - del mf1[fn] - else: - a.append(fn) - - d = mf1.keys() - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - def add(self, list): - for f in list: - p = self.wjoin(f) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % f) - elif not os.path.isfile(p): - self.ui.warn("%s not added: only files supported currently\n" % f) - elif self.dirstate.state(f) in 'an': - self.ui.warn("%s already tracked!\n" % f) - else: - self.dirstate.update([f], "a") - - def forget(self, list): - for f in list: - if self.dirstate.state(f) not in 'ai': - self.ui.warn("%s not added!\n" % f) - else: - self.dirstate.forget([f]) - - def remove(self, list): - for f in list: - p = self.wjoin(f) - if os.path.exists(p): - self.ui.warn("%s still exists!\n" % f) - elif self.dirstate.state(f) == 'a': - self.ui.warn("%s never committed!\n" % f) - self.dirstate.forget([f]) - elif f not in self.dirstate: - self.ui.warn("%s not tracked!\n" % f) - else: - self.dirstate.update([f], "r") - - def copy(self, source, dest): - p = self.wjoin(dest) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % dest) - elif not os.path.isfile(p): - self.ui.warn("copy failed: %s is not a file\n" % dest) - else: - if self.dirstate.state(dest) == '?': - self.dirstate.update([dest], "a") - self.dirstate.copy(source, dest) - - def heads(self): - return self.changelog.heads() - - # branchlookup returns a dict giving a list of branches for - # each head. A branch is defined as the tag of a node or - # the branch of the node's parents. If a node has multiple - # branch tags, tags are eliminated if they are visible from other - # branch tags. - # - # So, for this graph: a->b->c->d->e - # \ / - # aa -----/ - # a has tag 2.6.12 - # d has tag 2.6.13 - # e would have branch tags for 2.6.12 and 2.6.13. Because the node - # for 2.6.12 can be reached from the node 2.6.13, that is eliminated - # from the list. - # - # It is possible that more than one head will have the same branch tag. - # callers need to check the result for multiple heads under the same - # branch tag if that is a problem for them (ie checkout of a specific - # branch). - # - # passing in a specific branch will limit the depth of the search - # through the parents. It won't limit the branches returned in the - # result though. - def branchlookup(self, heads=None, branch=None): - if not heads: - heads = self.heads() - headt = [ h for h in heads ] - chlog = self.changelog - branches = {} - merges = [] - seenmerge = {} - - # traverse the tree once for each head, recording in the branches - # dict which tags are visible from this head. The branches - # dict also records which tags are visible from each tag - # while we traverse. - while headt or merges: - if merges: - n, found = merges.pop() - visit = [n] - else: - h = headt.pop() - visit = [h] - found = [h] - seen = {} - while visit: - n = visit.pop() - if n in seen: - continue - pp = chlog.parents(n) - tags = self.nodetags(n) - if tags: - for x in tags: - if x == 'tip': - continue - for f in found: - branches.setdefault(f, {})[n] = 1 - branches.setdefault(n, {})[n] = 1 - break - if n not in found: - found.append(n) - if branch in tags: - continue - seen[n] = 1 - if pp[1] != nullid and n not in seenmerge: - merges.append((pp[1], [x for x in found])) - seenmerge[n] = 1 - if pp[0] != nullid: - visit.append(pp[0]) - # traverse the branches dict, eliminating branch tags from each - # head that are visible from another branch tag for that head. - out = {} - viscache = {} - for h in heads: - def visible(node): - if node in viscache: - return viscache[node] - ret = {} - visit = [node] - while visit: - x = visit.pop() - if x in viscache: - ret.update(viscache[x]) - elif x not in ret: - ret[x] = 1 - if x in branches: - visit[len(visit):] = branches[x].keys() - viscache[node] = ret - return ret - if h not in branches: - continue - # O(n^2), but somewhat limited. This only searches the - # tags visible from a specific head, not all the tags in the - # whole repo. - for b in branches[h]: - vis = False - for bb in branches[h].keys(): - if b != bb: - if b in visible(bb): - vis = True - break - if not vis: - l = out.setdefault(h, []) - l[len(l):] = self.nodetags(b) - return out - - def branches(self, nodes): - if not nodes: nodes = [self.changelog.tip()] - b = [] - for n in nodes: - t = n - while n: - p = self.changelog.parents(n) - if p[1] != nullid or p[0] == nullid: - b.append((t, n, p[0], p[1])) - break - n = p[0] - return b - - def between(self, pairs): - r = [] - - for top, bottom in pairs: - n, l, i = top, [], 0 - f = 1 - - while n != bottom: - p = self.changelog.parents(n)[0] - if i == f: - l.append(n) - f = f * 2 - n = p - i += 1 - - r.append(l) - - return r - - def newer(self, nodes): - m = {} - nl = [] - pm = {} - cl = self.changelog - t = l = cl.count() - - # find the lowest numbered node - for n in nodes: - l = min(l, cl.rev(n)) - m[n] = 1 - - for i in xrange(l, t): - n = cl.node(i) - if n in m: # explicitly listed - pm[n] = 1 - nl.append(n) - continue - for p in cl.parents(n): - if p in pm: # parent listed - pm[n] = 1 - nl.append(n) - break - - return nl - - def findincoming(self, remote, base=None, heads=None): - m = self.changelog.nodemap - search = [] - fetch = {} - seen = {} - seenbranch = {} - if base == None: - base = {} - - # assume we're closer to the tip than the root - # and start by examining the heads - self.ui.status("searching for changes\n") - - if not heads: - heads = remote.heads() - - unknown = [] - for h in heads: - if h not in m: - unknown.append(h) - else: - base[h] = 1 - - if not unknown: - return None - - rep = {} - reqcnt = 0 - - # search through remote branches - # a 'branch' here is a linear segment of history, with four parts: - # head, root, first parent, second parent - # (a branch always has two parents (or none) by definition) - unknown = remote.branches(unknown) - while unknown: - r = [] - while unknown: - n = unknown.pop(0) - if n[0] in seen: - continue - - self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) - if n[0] == nullid: - break - if n in seenbranch: - self.ui.debug("branch already found\n") - continue - if n[1] and n[1] in m: # do we know the base? - self.ui.debug("found incomplete branch %s:%s\n" - % (short(n[0]), short(n[1]))) - search.append(n) # schedule branch range for scanning - seenbranch[n] = 1 - else: - if n[1] not in seen and n[1] not in fetch: - if n[2] in m and n[3] in m: - self.ui.debug("found new changeset %s\n" % - short(n[1])) - fetch[n[1]] = 1 # earliest unknown - base[n[2]] = 1 # latest known - continue - - for a in n[2:4]: - if a not in rep: - r.append(a) - rep[a] = 1 - - seen[n[0]] = 1 - - if r: - reqcnt += 1 - self.ui.debug("request %d: %s\n" % - (reqcnt, " ".join(map(short, r)))) - for p in range(0, len(r), 10): - for b in remote.branches(r[p:p+10]): - self.ui.debug("received %s:%s\n" % - (short(b[0]), short(b[1]))) - if b[0] in m: - self.ui.debug("found base node %s\n" % short(b[0])) - base[b[0]] = 1 - elif b[0] not in seen: - unknown.append(b) - - # do binary search on the branches we found - while search: - n = search.pop(0) - reqcnt += 1 - l = remote.between([(n[0], n[1])])[0] - l.append(n[1]) - p = n[0] - f = 1 - for i in l: - self.ui.debug("narrowing %d:%d %s\n" % (f, len(l), short(i))) - if i in m: - if f <= 2: - self.ui.debug("found new branch changeset %s\n" % - short(p)) - fetch[p] = 1 - base[i] = 1 - else: - self.ui.debug("narrowed branch search to %s:%s\n" - % (short(p), short(i))) - search.append((p, i)) - break - p, f = i, f * 2 - - # sanity check our fetch list - for f in fetch.keys(): - if f in m: - raise RepoError("already have changeset " + short(f[:4])) - - if base.keys() == [nullid]: - self.ui.warn("warning: pulling from an unrelated repository!\n") - - self.ui.note("found new changesets starting at " + - " ".join([short(f) for f in fetch]) + "\n") - - self.ui.debug("%d total queries\n" % reqcnt) - - return fetch.keys() - - def findoutgoing(self, remote, base=None, heads=None): - if base == None: - base = {} - self.findincoming(remote, base, heads) - - self.ui.debug("common changesets up to " - + " ".join(map(short, base.keys())) + "\n") - - remain = dict.fromkeys(self.changelog.nodemap) - - # prune everything remote has from the tree - del remain[nullid] - remove = base.keys() - while remove: - n = remove.pop(0) - if n in remain: - del remain[n] - for p in self.changelog.parents(n): - remove.append(p) - - # find every node whose parents have been pruned - subset = [] - for n in remain: - p1, p2 = self.changelog.parents(n) - if p1 not in remain and p2 not in remain: - subset.append(n) - - # this is the set of all roots we have to push - return subset - - def pull(self, remote): - lock = self.lock() - - # if we have an empty repo, fetch everything - if self.changelog.tip() == nullid: - self.ui.status("requesting all changes\n") - fetch = [nullid] - else: - fetch = self.findincoming(remote) - - if not fetch: - self.ui.status("no changes found\n") - return 1 - - cg = remote.changegroup(fetch) - return self.addchangegroup(cg) - - def push(self, remote, force=False): - lock = remote.lock() - - base = {} - heads = remote.heads() - inc = self.findincoming(remote, base, heads) - if not force and inc: - self.ui.warn("abort: unsynced remote changes!\n") - self.ui.status("(did you forget to sync? use push -f to force)\n") - return 1 - - update = self.findoutgoing(remote, base) - if not update: - self.ui.status("no changes found\n") - return 1 - elif not force: - if len(heads) < len(self.changelog.heads()): - self.ui.warn("abort: push creates new remote branches!\n") - self.ui.status("(did you forget to merge?" + - " use push -f to force)\n") - return 1 - - cg = self.changegroup(update) - return remote.addchangegroup(cg) - - def changegroup(self, basenodes): - class genread: - def __init__(self, generator): - self.g = generator - self.buf = "" - def fillbuf(self): - self.buf += "".join(self.g) - - def read(self, l): - while l > len(self.buf): - try: - self.buf += self.g.next() - except StopIteration: - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - def gengroup(): - nodes = self.newer(basenodes) - - # construct the link map - linkmap = {} - for n in nodes: - linkmap[self.changelog.rev(n)] = n - - # construct a list of all changed files - changed = {} - for n in nodes: - c = self.changelog.read(n) - for f in c[3]: - changed[f] = 1 - changed = changed.keys() - changed.sort() - - # the changegroup is changesets + manifests + all file revs - revs = [ self.changelog.rev(n) for n in nodes ] - - for y in self.changelog.group(linkmap): yield y - for y in self.manifest.group(linkmap): yield y - for f in changed: - yield struct.pack(">l", len(f) + 4) + f - g = self.file(f).group(linkmap) - for y in g: - yield y - - yield struct.pack(">l", 0) - - return genread(gengroup()) - - def addchangegroup(self, source): - - def getchunk(): - d = source.read(4) - if not d: return "" - l = struct.unpack(">l", d)[0] - if l <= 4: return "" - return source.read(l - 4) - - def getgroup(): - while 1: - c = getchunk() - if not c: break - yield c - - def csmap(x): - self.ui.debug("add changeset %s\n" % short(x)) - return self.changelog.count() - - def revmap(x): - return self.changelog.rev(x) - - if not source: return - changesets = files = revisions = 0 - - tr = self.transaction() - - oldheads = len(self.changelog.heads()) - - # pull off the changeset group - self.ui.status("adding changesets\n") - co = self.changelog.tip() - cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique - changesets = self.changelog.rev(cn) - self.changelog.rev(co) - - # pull off the manifest group - self.ui.status("adding manifests\n") - mm = self.manifest.tip() - mo = self.manifest.addgroup(getgroup(), revmap, tr) - - # process the files - self.ui.status("adding file changes\n") - while 1: - f = getchunk() - if not f: break - self.ui.debug("adding %s revisions\n" % f) - fl = self.file(f) - o = fl.count() - n = fl.addgroup(getgroup(), revmap, tr) - revisions += fl.count() - o - files += 1 - - newheads = len(self.changelog.heads()) - heads = "" - if oldheads and newheads > oldheads: - heads = " (+%d heads)" % (newheads - oldheads) - - self.ui.status(("added %d changesets" + - " with %d changes to %d files%s\n") - % (changesets, revisions, files, heads)) - - tr.close() - - if not self.hook("changegroup"): - return 1 - - return - - def update(self, node, allow=False, force=False, choose=None, - moddirstate=True): - pl = self.dirstate.parents() - if not force and pl[1] != nullid: - self.ui.warn("aborting: outstanding uncommitted merges\n") - return 1 - - p1, p2 = pl[0], node - pa = self.changelog.ancestor(p1, p2) - m1n = self.changelog.read(p1)[0] - m2n = self.changelog.read(p2)[0] - man = self.manifest.ancestor(m1n, m2n) - m1 = self.manifest.read(m1n) - mf1 = self.manifest.readflags(m1n) - m2 = self.manifest.read(m2n) - mf2 = self.manifest.readflags(m2n) - ma = self.manifest.read(man) - mfa = self.manifest.readflags(man) - - (c, a, d, u) = self.changes() - - # is this a jump, or a merge? i.e. is there a linear path - # from p1 to p2? - linear_path = (pa == p1 or pa == p2) - - # resolve the manifest to determine which files - # we care about merging - self.ui.note("resolving manifests\n") - self.ui.debug(" force %s allow %s moddirstate %s linear %s\n" % - (force, allow, moddirstate, linear_path)) - self.ui.debug(" ancestor %s local %s remote %s\n" % - (short(man), short(m1n), short(m2n))) - - merge = {} - get = {} - remove = [] - - # construct a working dir manifest - mw = m1.copy() - mfw = mf1.copy() - umap = dict.fromkeys(u) - - for f in a + c + u: - mw[f] = "" - mfw[f] = util.is_exec(self.wjoin(f), mfw.get(f, False)) - - for f in d: - if f in mw: del mw[f] - - # If we're jumping between revisions (as opposed to merging), - # and if neither the working directory nor the target rev has - # the file, then we need to remove it from the dirstate, to - # prevent the dirstate from listing the file when it is no - # longer in the manifest. - if moddirstate and linear_path and f not in m2: - self.dirstate.forget((f,)) - - # Compare manifests - for f, n in mw.iteritems(): - if choose and not choose(f): continue - if f in m2: - s = 0 - - # is the wfile new since m1, and match m2? - if f not in m1: - t1 = self.wread(f) - t2 = self.file(f).read(m2[f]) - if cmp(t1, t2) == 0: - n = m2[f] - del t1, t2 - - # are files different? - if n != m2[f]: - a = ma.get(f, nullid) - # are both different from the ancestor? - if n != a and m2[f] != a: - self.ui.debug(" %s versions differ, resolve\n" % f) - # merge executable bits - # "if we changed or they changed, change in merge" - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - merge[f] = (m1.get(f, nullid), m2[f], mode) - s = 1 - # are we clobbering? - # is remote's version newer? - # or are we going back in time? - elif force or m2[f] != a or (p2 == pa and mw[f] == m1[f]): - self.ui.debug(" remote %s is newer, get\n" % f) - get[f] = m2[f] - s = 1 - elif f in umap: - # this unknown file is the same as the checkout - get[f] = m2[f] - - if not s and mfw[f] != mf2[f]: - if force: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mf2[f]) - else: - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - if mode != b: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mode) - del m2[f] - elif f in ma: - if n != ma[f]: - r = "d" - if not force and (linear_path or allow): - r = self.ui.prompt( - (" local changed %s which remote deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "d": - remove.append(f) - else: - self.ui.debug("other deleted %s\n" % f) - remove.append(f) # other deleted it - else: - if n == m1.get(f, nullid): # same as parent - if p2 == pa: # going backwards? - self.ui.debug("remote deleted %s\n" % f) - remove.append(f) - else: - self.ui.debug("local created %s, keeping\n" % f) - else: - self.ui.debug("working dir created %s, keeping\n" % f) - - for f, n in m2.iteritems(): - if choose and not choose(f): continue - if f[0] == "/": continue - if f in ma and n != ma[f]: - r = "k" - if not force and (linear_path or allow): - r = self.ui.prompt( - ("remote changed %s which local deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "k": get[f] = n - elif f not in ma: - self.ui.debug("remote created %s\n" % f) - get[f] = n - else: - if force or p2 == pa: # going backwards? - self.ui.debug("local deleted %s, recreating\n" % f) - get[f] = n - else: - self.ui.debug("local deleted %s\n" % f) - - del mw, m1, m2, ma - - if force: - for f in merge: - get[f] = merge[f][1] - merge = {} - - if linear_path or force: - # we don't need to do any magic, just jump to the new rev - branch_merge = False - p1, p2 = p2, nullid - else: - if not allow: - self.ui.status("this update spans a branch" + - " affecting the following files:\n") - fl = merge.keys() + get.keys() - fl.sort() - for f in fl: - cf = "" - if f in merge: cf = " (resolve)" - self.ui.status(" %s%s\n" % (f, cf)) - self.ui.warn("aborting update spanning branches!\n") - self.ui.status("(use update -m to merge across branches" + - " or -C to lose changes)\n") - return 1 - branch_merge = True - - if moddirstate: - self.dirstate.setparents(p1, p2) - - # get the files we don't need to change - files = get.keys() - files.sort() - for f in files: - if f[0] == "/": continue - self.ui.note("getting %s\n" % f) - t = self.file(f).read(get[f]) - try: - self.wwrite(f, t) - except IOError: - os.makedirs(os.path.dirname(self.wjoin(f))) - self.wwrite(f, t) - util.set_exec(self.wjoin(f), mf2[f]) - if moddirstate: - if branch_merge: - self.dirstate.update([f], 'n', st_mtime=-1) - else: - self.dirstate.update([f], 'n') - - # merge the tricky bits - files = merge.keys() - files.sort() - for f in files: - self.ui.status("merging %s\n" % f) - my, other, flag = merge[f] - self.merge3(f, my, other) - util.set_exec(self.wjoin(f), flag) - if moddirstate: - if branch_merge: - # We've done a branch merge, mark this file as merged - # so that we properly record the merger later - self.dirstate.update([f], 'm') - else: - # We've update-merged a locally modified file, so - # we set the dirstate to emulate a normal checkout - # of that file some time in the past. Thus our - # merge will appear as a normal local file - # modification. - f_len = len(self.file(f).read(other)) - self.dirstate.update([f], 'n', st_size=f_len, st_mtime=-1) - - remove.sort() - for f in remove: - self.ui.note("removing %s\n" % f) - try: - os.unlink(self.wjoin(f)) - except OSError, inst: - self.ui.warn("update failed to remove %s: %s!\n" % (f, inst)) - # try removing directories that might now be empty - try: os.removedirs(os.path.dirname(self.wjoin(f))) - except: pass - if moddirstate: - if branch_merge: - self.dirstate.update(remove, 'r') - else: - self.dirstate.forget(remove) - - def merge3(self, fn, my, other): - """perform a 3-way merge in the working directory""" - - def temp(prefix, node): - pre = "%s~%s." % (os.path.basename(fn), prefix) - (fd, name) = tempfile.mkstemp("", pre) - f = os.fdopen(fd, "wb") - self.wwrite(fn, fl.read(node), f) - f.close() - return name - - fl = self.file(fn) - base = fl.ancestor(my, other) - a = self.wjoin(fn) - b = temp("base", base) - c = temp("other", other) - - self.ui.note("resolving %s\n" % fn) - self.ui.debug("file %s: other %s ancestor %s\n" % - (fn, short(other), short(base))) - - cmd = (os.environ.get("HGMERGE") or self.ui.config("ui", "merge") - or "hgmerge") - r = os.system("%s %s %s %s" % (cmd, a, b, c)) - if r: - self.ui.warn("merging %s failed!\n" % fn) - - os.unlink(b) - os.unlink(c) - - def verify(self): - filelinkrevs = {} - filenodes = {} - changesets = revisions = files = 0 - errors = 0 - - seen = {} - self.ui.status("checking changesets\n") - for i in range(self.changelog.count()): - changesets += 1 - n = self.changelog.node(i) - if n in seen: - self.ui.warn("duplicate changeset at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.changelog.parents(n): - if p not in self.changelog.nodemap: - self.ui.warn("changeset %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - try: - changes = self.changelog.read(n) - except Exception, inst: - self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) - errors += 1 - - for f in changes[3]: - filelinkrevs.setdefault(f, []).append(i) - - seen = {} - self.ui.status("checking manifests\n") - for i in range(self.manifest.count()): - n = self.manifest.node(i) - if n in seen: - self.ui.warn("duplicate manifest at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.manifest.parents(n): - if p not in self.manifest.nodemap: - self.ui.warn("manifest %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - - try: - delta = mdiff.patchtext(self.manifest.delta(n)) - except KeyboardInterrupt: - self.ui.warn("aborted") - sys.exit(0) - except Exception, inst: - self.ui.warn("unpacking manifest %s: %s\n" - % (short(n), inst)) - errors += 1 - - ff = [ l.split('\0') for l in delta.splitlines() ] - for f, fn in ff: - filenodes.setdefault(f, {})[bin(fn[:40])] = 1 - - self.ui.status("crosschecking files in changesets and manifests\n") - for f in filenodes: - if f not in filelinkrevs: - self.ui.warn("file %s in manifest but not in changesets\n" % f) - errors += 1 - - for f in filelinkrevs: - if f not in filenodes: - self.ui.warn("file %s in changeset but not in manifest\n" % f) - errors += 1 - - self.ui.status("checking files\n") - ff = filenodes.keys() - ff.sort() - for f in ff: - if f == "/dev/null": continue - files += 1 - fl = self.file(f) - nodes = { nullid: 1 } - seen = {} - for i in range(fl.count()): - revisions += 1 - n = fl.node(i) - - if n in seen: - self.ui.warn("%s: duplicate revision %d\n" % (f, i)) - errors += 1 - - if n not in filenodes[f]: - self.ui.warn("%s: %d:%s not in manifests\n" - % (f, i, short(n))) - errors += 1 - else: - del filenodes[f][n] - - flr = fl.linkrev(n) - if flr not in filelinkrevs[f]: - self.ui.warn("%s:%s points to unexpected changeset %d\n" - % (f, short(n), fl.linkrev(n))) - errors += 1 - else: - filelinkrevs[f].remove(flr) - - # verify contents - try: - t = fl.read(n) - except Exception, inst: - self.ui.warn("unpacking file %s %s: %s\n" - % (f, short(n), inst)) - errors += 1 - - # verify parents - (p1, p2) = fl.parents(n) - if p1 not in nodes: - self.ui.warn("file %s:%s unknown parent 1 %s" % - (f, short(n), short(p1))) - errors += 1 - if p2 not in nodes: - self.ui.warn("file %s:%s unknown parent 2 %s" % - (f, short(n), short(p1))) - errors += 1 - nodes[n] = 1 - - # cross-check - for node in filenodes[f]: - self.ui.warn("node %s in manifests not in %s\n" - % (hex(node), f)) - errors += 1 - - self.ui.status("%d files, %d changesets, %d total revisions\n" % - (files, changesets, revisions)) - - if errors: - self.ui.warn("%d integrity errors encountered!\n" % errors) - return 1 - -class remoterepository: - def local(self): - return False - -class httprepository(remoterepository): - def __init__(self, ui, path): - # fix missing / after hostname - s = urlparse.urlsplit(path) - partial = s[2] - if not partial: partial = "/" - self.url = urlparse.urlunsplit((s[0], s[1], partial, '', '')) - self.ui = ui - no_list = [ "localhost", "127.0.0.1" ] - host = ui.config("http_proxy", "host") - if host is None: - host = os.environ.get("http_proxy") - if host and host.startswith('http://'): - host = host[7:] - user = ui.config("http_proxy", "user") - passwd = ui.config("http_proxy", "passwd") - no = ui.config("http_proxy", "no") - if no is None: - no = os.environ.get("no_proxy") - if no: - no_list = no_list + no.split(",") - - no_proxy = 0 - for h in no_list: - if (path.startswith("http://" + h + "/") or - path.startswith("http://" + h + ":") or - path == "http://" + h): - no_proxy = 1 - - # Note: urllib2 takes proxy values from the environment and those will - # take precedence - for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: - try: - if os.environ.has_key(env): - del os.environ[env] - except OSError: - pass - - proxy_handler = urllib2.BaseHandler() - if host and not no_proxy: - proxy_handler = urllib2.ProxyHandler({"http" : "http://" + host}) - - authinfo = None - if user and passwd: - passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm() - passmgr.add_password(None, host, user, passwd) - authinfo = urllib2.ProxyBasicAuthHandler(passmgr) - - opener = urllib2.build_opener(proxy_handler, authinfo) - urllib2.install_opener(opener) - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - q = {"cmd": cmd} - q.update(args) - qs = urllib.urlencode(q) - cu = "%s?%s" % (self.url, qs) - resp = urllib2.urlopen(cu) - proto = resp.headers['content-type'] - - # accept old "text/plain" and "application/hg-changegroup" for now - if not proto.startswith('application/mercurial') and \ - not proto.startswith('text/plain') and \ - not proto.startswith('application/hg-changegroup'): - raise RepoError("'%s' does not appear to be an hg repository" - % self.url) - - if proto.startswith('application/mercurial'): - version = proto[22:] - if float(version) > 0.1: - raise RepoError("'%s' uses newer protocol %s" % - (self.url, version)) - - return resp - - def heads(self): - d = self.do_cmd("heads").read() - try: - return map(bin, d[:-1].split(" ")) - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.do_cmd("branches", nodes=n).read() - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.do_cmd("between", pairs=n).read() - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - bytes = 0 - - class zread: - def __init__(self, f): - self.zd = zlib.decompressobj() - self.f = f - self.buf = "" - def read(self, l): - while l > len(self.buf): - r = self.f.read(4096) - if r: - self.buf += self.zd.decompress(r) - else: - self.buf += self.zd.flush() - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - return zread(f) - -class remotelock: - def __init__(self, repo): - self.repo = repo - def release(self): - self.repo.unlock() - self.repo = None - def __del__(self): - if self.repo: - self.release() - -class sshrepository(remoterepository): - def __init__(self, ui, path): - self.url = path - self.ui = ui - - m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?', path) - if not m: - raise RepoError("couldn't parse destination %s" % path) - - self.user = m.group(2) - self.host = m.group(3) - self.port = m.group(5) - self.path = m.group(7) or "." - - args = self.user and ("%s@%s" % (self.user, self.host)) or self.host - args = self.port and ("%s -p %s") % (args, self.port) or args - - sshcmd = self.ui.config("ui", "ssh", "ssh") - remotecmd = self.ui.config("ui", "remotecmd", "hg") - cmd = "%s %s '%s -R %s serve --stdio'" - cmd = cmd % (sshcmd, args, remotecmd, self.path) - - self.pipeo, self.pipei, self.pipee = os.popen3(cmd) - - def readerr(self): - while 1: - r,w,x = select.select([self.pipee], [], [], 0) - if not r: break - l = self.pipee.readline() - if not l: break - self.ui.status("remote: ", l) - - def __del__(self): - try: - self.pipeo.close() - self.pipei.close() - for l in self.pipee: - self.ui.status("remote: ", l) - self.pipee.close() - except: - pass - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - self.pipeo.write("%s\n" % cmd) - for k, v in args.items(): - self.pipeo.write("%s %d\n" % (k, len(v))) - self.pipeo.write(v) - self.pipeo.flush() - - return self.pipei - - def call(self, cmd, **args): - r = self.do_cmd(cmd, **args) - l = r.readline() - self.readerr() - try: - l = int(l) - except: - raise RepoError("unexpected response '%s'" % l) - return r.read(l) - - def lock(self): - self.call("lock") - return remotelock(self) - - def unlock(self): - self.call("unlock") - - def heads(self): - d = self.call("heads") - try: - return map(bin, d[:-1].split(" ")) - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.call("branches", nodes=n) - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.call("between", pairs=n) - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - return self.pipei - - def addchangegroup(self, cg): - d = self.call("addchangegroup") - if d: - raise RepoError("push refused: %s", d) - - while 1: - d = cg.read(4096) - if not d: break - self.pipeo.write(d) - self.readerr() - - self.pipeo.flush() - - self.readerr() - l = int(self.pipei.readline()) - return self.pipei.read(l) != "" - -class httpsrepository(httprepository): - pass - def repository(ui, path=None, create=0): if path: if path.startswith("http://"): - return httprepository(ui, path) + return httprepo.httprepository(ui, path) if path.startswith("https://"): - return httpsrepository(ui, path) + return httprepo.httpsrepository(ui, path) if path.startswith("hg://"): - return httprepository(ui, path.replace("hg://", "http://")) + return httprepo.httprepository( + ui, path.replace("hg://", "http://")) if path.startswith("old-http://"): - return localrepository(ui, path.replace("old-http://", "http://")) + return localrepo.localrepository( + ui, opener, path.replace("old-http://", "http://")) if path.startswith("ssh://"): - return sshrepository(ui, path) + return sshrepo.sshrepository(ui, path) - return localrepository(ui, path, create) + return localrepo.localrepository(ui, opener, path, create) diff --git a/mercurial/hg.py b/mercurial/httprepo.py copy from mercurial/hg.py copy to mercurial/httprepo.py --- a/mercurial/hg.py +++ b/mercurial/httprepo.py @@ -1,2023 +1,13 @@ -# hg.py - repository classes for mercurial +# httprepo.py - HTTP repository proxy classes for mercurial # # Copyright 2005 Matt Mackall # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. -import sys, struct, os -import util -from revlog import * -from demandload import * -demandload(globals(), "re lock urllib urllib2 transaction time socket") -demandload(globals(), "tempfile httprangereader bdiff urlparse") -demandload(globals(), "bisect errno select stat") - -class filelog(revlog): - def __init__(self, opener, path): - revlog.__init__(self, opener, - os.path.join("data", self.encodedir(path + ".i")), - os.path.join("data", self.encodedir(path + ".d"))) - - # This avoids a collision between a file named foo and a dir named - # foo.i or foo.d - def encodedir(self, path): - return (path - .replace(".hg/", ".hg.hg/") - .replace(".i/", ".i.hg/") - .replace(".d/", ".d.hg/")) - - def decodedir(self, path): - return (path - .replace(".d.hg/", ".d/") - .replace(".i.hg/", ".i/") - .replace(".hg.hg/", ".hg/")) - - def read(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - return t[s+2:] - - def readmeta(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - mt = t[2:s] - for l in mt.splitlines(): - k, v = l.split(": ", 1) - m[k] = v - return m - - def add(self, text, meta, transaction, link, p1=None, p2=None): - if meta or text.startswith('\1\n'): - mt = "" - if meta: - mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] - text = "\1\n" + "".join(mt) + "\1\n" + text - return self.addrevision(text, transaction, link, p1, p2) - - def annotate(self, node): - - def decorate(text, rev): - return ([rev] * len(text.splitlines()), text) - - def pair(parent, child): - for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): - child[0][b1:b2] = parent[0][a1:a2] - return child - - # find all ancestors - needed = {node:1} - visit = [node] - while visit: - n = visit.pop(0) - for p in self.parents(n): - if p not in needed: - needed[p] = 1 - visit.append(p) - else: - # count how many times we'll use this - needed[p] += 1 - - # sort by revision which is a topological order - visit = [ (self.rev(n), n) for n in needed.keys() ] - visit.sort() - hist = {} - - for r,n in visit: - curr = decorate(self.read(n), self.linkrev(n)) - for p in self.parents(n): - if p != nullid: - curr = pair(hist[p], curr) - # trim the history of unneeded revs - needed[p] -= 1 - if not needed[p]: - del hist[p] - hist[n] = curr - - return zip(hist[n][0], hist[n][1].splitlines(1)) - -class manifest(revlog): - def __init__(self, opener): - self.mapcache = None - self.listcache = None - self.addlist = None - revlog.__init__(self, opener, "00manifest.i", "00manifest.d") - - def read(self, node): - if node == nullid: return {} # don't upset local cache - if self.mapcache and self.mapcache[0] == node: - return self.mapcache[1] - text = self.revision(node) - map = {} - flag = {} - self.listcache = (text, text.splitlines(1)) - for l in self.listcache[1]: - (f, n) = l.split('\0') - map[f] = bin(n[:40]) - flag[f] = (n[40:-1] == "x") - self.mapcache = (node, map, flag) - return map - - def readflags(self, node): - if node == nullid: return {} # don't upset local cache - if not self.mapcache or self.mapcache[0] != node: - self.read(node) - return self.mapcache[2] - - def diff(self, a, b): - # this is sneaky, as we're not actually using a and b - if self.listcache and self.addlist and self.listcache[0] == a: - d = mdiff.diff(self.listcache[1], self.addlist, 1) - if mdiff.patch(a, d) != b: - sys.stderr.write("*** sortdiff failed, falling back ***\n") - return mdiff.textdiff(a, b) - return d - else: - return mdiff.textdiff(a, b) - - def add(self, map, flags, transaction, link, p1=None, p2=None, - changed=None): - # directly generate the mdiff delta from the data collected during - # the bisect loop below - def gendelta(delta): - i = 0 - result = [] - while i < len(delta): - start = delta[i][2] - end = delta[i][3] - l = delta[i][4] - if l == None: - l = "" - while i < len(delta) - 1 and start <= delta[i+1][2] \ - and end >= delta[i+1][2]: - if delta[i+1][3] > end: - end = delta[i+1][3] - if delta[i+1][4]: - l += delta[i+1][4] - i += 1 - result.append(struct.pack(">lll", start, end, len(l)) + l) - i += 1 - return result - - # apply the changes collected during the bisect loop to our addlist - def addlistdelta(addlist, delta): - # apply the deltas to the addlist. start from the bottom up - # so changes to the offsets don't mess things up. - i = len(delta) - while i > 0: - i -= 1 - start = delta[i][0] - end = delta[i][1] - if delta[i][4]: - addlist[start:end] = [delta[i][4]] - else: - del addlist[start:end] - return addlist - - # calculate the byte offset of the start of each line in the - # manifest - def calcoffsets(addlist): - offsets = [0] * (len(addlist) + 1) - offset = 0 - i = 0 - while i < len(addlist): - offsets[i] = offset - offset += len(addlist[i]) - i += 1 - offsets[i] = offset - return offsets - - # if we're using the listcache, make sure it is valid and - # parented by the same node we're diffing against - if not changed or not self.listcache or not p1 or \ - self.mapcache[0] != p1: - files = map.keys() - files.sort() - - self.addlist = ["%s\000%s%s\n" % - (f, hex(map[f]), flags[f] and "x" or '') - for f in files] - cachedelta = None - else: - addlist = self.listcache[1] - - # find the starting offset for each line in the add list - offsets = calcoffsets(addlist) - - # combine the changed lists into one list for sorting - work = [[x, 0] for x in changed[0]] - work[len(work):] = [[x, 1] for x in changed[1]] - work.sort() - - delta = [] - bs = 0 - - for w in work: - f = w[0] - # bs will either be the index of the item or the insert point - bs = bisect.bisect(addlist, f, bs) - if bs < len(addlist): - fn = addlist[bs][:addlist[bs].index('\0')] - else: - fn = None - if w[1] == 0: - l = "%s\000%s%s\n" % (f, hex(map[f]), - flags[f] and "x" or '') - else: - l = None - start = bs - if fn != f: - # item not found, insert a new one - end = bs - if w[1] == 1: - sys.stderr.write("failed to remove %s from manifest\n" - % f) - sys.exit(1) - else: - # item is found, replace/delete the existing line - end = bs + 1 - delta.append([start, end, offsets[start], offsets[end], l]) - - self.addlist = addlistdelta(addlist, delta) - if self.mapcache[0] == self.tip(): - cachedelta = "".join(gendelta(delta)) - else: - cachedelta = None - - text = "".join(self.addlist) - if cachedelta and mdiff.patch(self.listcache[0], cachedelta) != text: - sys.stderr.write("manifest delta failure\n") - sys.exit(1) - n = self.addrevision(text, transaction, link, p1, p2, cachedelta) - self.mapcache = (n, map, flags) - self.listcache = (text, self.addlist) - self.addlist = None - - return n - -class changelog(revlog): - def __init__(self, opener): - revlog.__init__(self, opener, "00changelog.i", "00changelog.d") - - def extract(self, text): - if not text: - return (nullid, "", "0", [], "") - last = text.index("\n\n") - desc = text[last + 2:] - l = text[:last].splitlines() - manifest = bin(l[0]) - user = l[1] - date = l[2] - if " " not in date: - date += " 0" # some tools used -d without a timezone - files = l[3:] - return (manifest, user, date, files, desc) - - def read(self, node): - return self.extract(self.revision(node)) - - def add(self, manifest, list, desc, transaction, p1=None, p2=None, - user=None, date=None): - if not date: - if time.daylight: offset = time.altzone - else: offset = time.timezone - date = "%d %d" % (time.time(), offset) - list.sort() - l = [hex(manifest), user, date] + list + ["", desc] - text = "\n".join(l) - return self.addrevision(text, transaction, self.count(), p1, p2) - -class dirstate: - def __init__(self, opener, ui, root): - self.opener = opener - self.root = root - self.dirty = 0 - self.ui = ui - self.map = None - self.pl = None - self.copies = {} - self.ignorefunc = None - - def wjoin(self, f): - return os.path.join(self.root, f) - - def getcwd(self): - cwd = os.getcwd() - if cwd == self.root: return '' - return cwd[len(self.root) + 1:] - - def ignore(self, f): - if not self.ignorefunc: - bigpat = [] - try: - l = file(self.wjoin(".hgignore")) - for pat in l: - p = pat.rstrip() - if p: - try: - re.compile(p) - except: - self.ui.warn("ignoring invalid ignore" - + " regular expression '%s'\n" % p) - else: - bigpat.append(p) - except IOError: pass - - if bigpat: - s = "(?:%s)" % (")|(?:".join(bigpat)) - r = re.compile(s) - self.ignorefunc = r.search - else: - self.ignorefunc = util.never - - return self.ignorefunc(f) - - def __del__(self): - if self.dirty: - self.write() - - def __getitem__(self, key): - try: - return self.map[key] - except TypeError: - self.read() - return self[key] - - def __contains__(self, key): - if not self.map: self.read() - return key in self.map - - def parents(self): - if not self.pl: - self.read() - return self.pl - - def markdirty(self): - if not self.dirty: - self.dirty = 1 - - def setparents(self, p1, p2=nullid): - self.markdirty() - self.pl = p1, p2 - - def state(self, key): - try: - return self[key][0] - except KeyError: - return "?" - - def read(self): - if self.map is not None: return self.map - - self.map = {} - self.pl = [nullid, nullid] - try: - st = self.opener("dirstate").read() - if not st: return - except: return - - self.pl = [st[:20], st[20: 40]] - - pos = 40 - while pos < len(st): - e = struct.unpack(">cllll", st[pos:pos+17]) - l = e[4] - pos += 17 - f = st[pos:pos + l] - if '\0' in f: - f, c = f.split('\0') - self.copies[f] = c - self.map[f] = e[:4] - pos += l - - def copy(self, source, dest): - self.read() - self.markdirty() - self.copies[dest] = source - - def copied(self, file): - return self.copies.get(file, None) - - def update(self, files, state, **kw): - ''' current states: - n normal - m needs merging - r marked for removal - a marked for addition''' - - if not files: return - self.read() - self.markdirty() - for f in files: - if state == "r": - self.map[f] = ('r', 0, 0, 0) - else: - s = os.stat(os.path.join(self.root, f)) - st_size = kw.get('st_size', s.st_size) - st_mtime = kw.get('st_mtime', s.st_mtime) - self.map[f] = (state, s.st_mode, st_size, st_mtime) - - def forget(self, files): - if not files: return - self.read() - self.markdirty() - for f in files: - try: - del self.map[f] - except KeyError: - self.ui.warn("not in dirstate: %s!\n" % f) - pass - - def clear(self): - self.map = {} - self.markdirty() - - def write(self): - st = self.opener("dirstate", "w") - st.write("".join(self.pl)) - for f, e in self.map.items(): - c = self.copied(f) - if c: - f = f + "\0" + c - e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) - st.write(e + f) - self.dirty = 0 - - def filterfiles(self, files): - ret = {} - unknown = [] - - for x in files: - if x is '.': - return self.map.copy() - if x not in self.map: - unknown.append(x) - else: - ret[x] = self.map[x] - - if not unknown: - return ret - - b = self.map.keys() - b.sort() - blen = len(b) - - for x in unknown: - bs = bisect.bisect(b, x) - if bs != 0 and b[bs-1] == x: - ret[x] = self.map[x] - continue - while bs < blen: - s = b[bs] - if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/': - ret[s] = self.map[s] - else: - break - bs += 1 - return ret - - def walk(self, files=None, match=util.always, dc=None): - self.read() - - # walk all files by default - if not files: - files = [self.root] - if not dc: - dc = self.map.copy() - elif not dc: - dc = self.filterfiles(files) - - known = {'.hg': 1} - def seen(fn): - if fn in known: return True - known[fn] = 1 - def traverse(): - for ff in util.unique(files): - f = os.path.join(self.root, ff) - try: - st = os.stat(f) - except OSError, inst: - if ff not in dc: self.ui.warn('%s: %s\n' % ( - util.pathto(self.getcwd(), ff), - inst.strerror)) - continue - if stat.S_ISDIR(st.st_mode): - for dir, subdirs, fl in os.walk(f): - d = dir[len(self.root) + 1:] - nd = util.normpath(d) - if nd == '.': nd = '' - if seen(nd): - subdirs[:] = [] - continue - for sd in subdirs: - ds = os.path.join(nd, sd +'/') - if self.ignore(ds) or not match(ds): - subdirs.remove(sd) - subdirs.sort() - fl.sort() - for fn in fl: - fn = util.pconvert(os.path.join(d, fn)) - yield 'f', fn - elif stat.S_ISREG(st.st_mode): - yield 'f', ff - else: - kind = 'unknown' - if stat.S_ISCHR(st.st_mode): kind = 'character device' - elif stat.S_ISBLK(st.st_mode): kind = 'block device' - elif stat.S_ISFIFO(st.st_mode): kind = 'fifo' - elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link' - elif stat.S_ISSOCK(st.st_mode): kind = 'socket' - self.ui.warn('%s: unsupported file type (type is %s)\n' % ( - util.pathto(self.getcwd(), ff), - kind)) - - ks = dc.keys() - ks.sort() - for k in ks: - yield 'm', k - - # yield only files that match: all in dirstate, others only if - # not in .hgignore - - for src, fn in util.unique(traverse()): - fn = util.normpath(fn) - if seen(fn): continue - if fn not in dc and self.ignore(fn): - continue - if match(fn): - yield src, fn - - def changes(self, files=None, match=util.always): - self.read() - if not files: - dc = self.map.copy() - else: - dc = self.filterfiles(files) - lookup, modified, added, unknown = [], [], [], [] - removed, deleted = [], [] - - for src, fn in self.walk(files, match, dc=dc): - try: - s = os.stat(os.path.join(self.root, fn)) - except OSError: - continue - if not stat.S_ISREG(s.st_mode): - continue - c = dc.get(fn) - if c: - del dc[fn] - if c[0] == 'm': - modified.append(fn) - elif c[0] == 'a': - added.append(fn) - elif c[0] == 'r': - unknown.append(fn) - elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100: - modified.append(fn) - elif c[3] != s.st_mtime: - lookup.append(fn) - else: - unknown.append(fn) - - for fn, c in [(fn, c) for fn, c in dc.items() if match(fn)]: - if c[0] == 'r': - removed.append(fn) - else: - deleted.append(fn) - return (lookup, modified, added, removed + deleted, unknown) - -# used to avoid circular references so destructors work -def opener(base): - p = base - def o(path, mode="r"): - if p.startswith("http://"): - f = os.path.join(p, urllib.quote(path)) - return httprangereader.httprangereader(f) - - f = os.path.join(p, path) - - mode += "b" # for that other OS - - if mode[0] != "r": - try: - s = os.stat(f) - except OSError: - d = os.path.dirname(f) - if not os.path.isdir(d): - os.makedirs(d) - else: - if s.st_nlink > 1: - file(f + ".tmp", "wb").write(file(f, "rb").read()) - util.rename(f+".tmp", f) - - return file(f, mode) - - return o - -class RepoError(Exception): pass - -class localrepository: - def __init__(self, ui, path=None, create=0): - self.remote = 0 - if path and path.startswith("http://"): - self.remote = 1 - self.path = path - else: - if not path: - p = os.getcwd() - while not os.path.isdir(os.path.join(p, ".hg")): - oldp = p - p = os.path.dirname(p) - if p == oldp: raise RepoError("no repo found") - path = p - self.path = os.path.join(path, ".hg") - - if not create and not os.path.isdir(self.path): - raise RepoError("repository %s not found" % self.path) - - self.root = os.path.abspath(path) - self.ui = ui - - if create: - os.mkdir(self.path) - os.mkdir(self.join("data")) - - self.opener = opener(self.path) - self.wopener = opener(self.root) - self.manifest = manifest(self.opener) - self.changelog = changelog(self.opener) - self.tagscache = None - self.nodetagscache = None - - if not self.remote: - self.dirstate = dirstate(self.opener, ui, self.root) - try: - self.ui.readconfig(self.opener("hgrc")) - except IOError: pass - - def hook(self, name, **args): - s = self.ui.config("hooks", name) - if s: - self.ui.note("running hook %s: %s\n" % (name, s)) - old = {} - for k, v in args.items(): - k = k.upper() - old[k] = os.environ.get(k, None) - os.environ[k] = v - - r = os.system(s) - - for k, v in old.items(): - if v != None: - os.environ[k] = v - else: - del os.environ[k] - - if r: - self.ui.warn("abort: %s hook failed with status %d!\n" % - (name, r)) - return False - return True - - def tags(self): - '''return a mapping of tag to node''' - if not self.tagscache: - self.tagscache = {} - def addtag(self, k, n): - try: - bin_n = bin(n) - except TypeError: - bin_n = '' - self.tagscache[k.strip()] = bin_n - - try: - # read each head of the tags file, ending with the tip - # and add each tag found to the map, with "newer" ones - # taking precedence - fl = self.file(".hgtags") - h = fl.heads() - h.reverse() - for r in h: - for l in fl.read(r).splitlines(): - if l: - n, k = l.split(" ", 1) - addtag(self, k, n) - except KeyError: - pass - - try: - f = self.opener("localtags") - for l in f: - n, k = l.split(" ", 1) - addtag(self, k, n) - except IOError: - pass - - self.tagscache['tip'] = self.changelog.tip() - - return self.tagscache - - def tagslist(self): - '''return a list of tags ordered by revision''' - l = [] - for t, n in self.tags().items(): - try: - r = self.changelog.rev(n) - except: - r = -2 # sort to the beginning of the list if unknown - l.append((r,t,n)) - l.sort() - return [(t,n) for r,t,n in l] - - def nodetags(self, node): - '''return the tags associated with a node''' - if not self.nodetagscache: - self.nodetagscache = {} - for t,n in self.tags().items(): - self.nodetagscache.setdefault(n,[]).append(t) - return self.nodetagscache.get(node, []) - - def lookup(self, key): - try: - return self.tags()[key] - except KeyError: - try: - return self.changelog.lookup(key) - except: - raise RepoError("unknown revision '%s'" % key) - - def dev(self): - if self.remote: return -1 - return os.stat(self.path).st_dev - - def local(self): - return not self.remote - - def join(self, f): - return os.path.join(self.path, f) - - def wjoin(self, f): - return os.path.join(self.root, f) - - def file(self, f): - if f[0] == '/': f = f[1:] - return filelog(self.opener, f) - - def getcwd(self): - return self.dirstate.getcwd() - - def wfile(self, f, mode='r'): - return self.wopener(f, mode) - - def wread(self, filename): - return self.wopener(filename, 'r').read() - - def wwrite(self, filename, data, fd=None): - if fd: - return fd.write(data) - return self.wopener(filename, 'w').write(data) - - def transaction(self): - # save dirstate for undo - try: - ds = self.opener("dirstate").read() - except IOError: - ds = "" - self.opener("journal.dirstate", "w").write(ds) - - def after(): - util.rename(self.join("journal"), self.join("undo")) - util.rename(self.join("journal.dirstate"), - self.join("undo.dirstate")) - - return transaction.transaction(self.ui.warn, self.opener, - self.join("journal"), after) - - def recover(self): - lock = self.lock() - if os.path.exists(self.join("journal")): - self.ui.status("rolling back interrupted transaction\n") - return transaction.rollback(self.opener, self.join("journal")) - else: - self.ui.warn("no interrupted transaction available\n") - - def undo(self): - lock = self.lock() - if os.path.exists(self.join("undo")): - self.ui.status("rolling back last transaction\n") - transaction.rollback(self.opener, self.join("undo")) - self.dirstate = None - util.rename(self.join("undo.dirstate"), self.join("dirstate")) - self.dirstate = dirstate(self.opener, self.ui, self.root) - else: - self.ui.warn("no undo information available\n") - - def lock(self, wait=1): - try: - return lock.lock(self.join("lock"), 0) - except lock.LockHeld, inst: - if wait: - self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) - return lock.lock(self.join("lock"), wait) - raise inst - - def rawcommit(self, files, text, user, date, p1=None, p2=None): - orig_parent = self.dirstate.parents()[0] or nullid - p1 = p1 or self.dirstate.parents()[0] or nullid - p2 = p2 or self.dirstate.parents()[1] or nullid - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - changed = [] - - if orig_parent == p1: - update_dirstate = 1 - else: - update_dirstate = 0 - - tr = self.transaction() - mm = m1.copy() - mfm = mf1.copy() - linkrev = self.changelog.count() - for f in files: - try: - t = self.wread(f) - tm = util.is_exec(self.wjoin(f), mfm.get(f, False)) - r = self.file(f) - mfm[f] = tm - - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - mm[f] = fp1 - continue - - mm[f] = r.add(t, {}, tr, linkrev, fp1, fp2) - changed.append(f) - if update_dirstate: - self.dirstate.update([f], "n") - except IOError: - try: - del mm[f] - del mfm[f] - if update_dirstate: - self.dirstate.forget([f]) - except: - # deleted from p2? - pass - - mnode = self.manifest.add(mm, mfm, tr, linkrev, c1[0], c2[0]) - user = user or self.ui.username() - n = self.changelog.add(mnode, changed, text, tr, p1, p2, user, date) - tr.close() - if update_dirstate: - self.dirstate.setparents(n, nullid) - - def commit(self, files = None, text = "", user = None, date = None, - match = util.always, force=False): - commit = [] - remove = [] - changed = [] - - if files: - for f in files: - s = self.dirstate.state(f) - if s in 'nmai': - commit.append(f) - elif s == 'r': - remove.append(f) - else: - self.ui.warn("%s not tracked!\n" % f) - else: - (c, a, d, u) = self.changes(match=match) - commit = c + a - remove = d - - p1, p2 = self.dirstate.parents() - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - - if not commit and not remove and not force and p2 == nullid: - self.ui.status("nothing changed\n") - return None - - if not self.hook("precommit"): - return None - - lock = self.lock() - tr = self.transaction() - - # check in files - new = {} - linkrev = self.changelog.count() - commit.sort() - for f in commit: - self.ui.note(f + "\n") - try: - mf1[f] = util.is_exec(self.wjoin(f), mf1.get(f, False)) - t = self.wread(f) - except IOError: - self.ui.warn("trouble committing %s!\n" % f) - raise - - meta = {} - cp = self.dirstate.copied(f) - if cp: - meta["copy"] = cp - meta["copyrev"] = hex(m1.get(cp, m2.get(cp, nullid))) - self.ui.debug(" %s: copy %s:%s\n" % (f, cp, meta["copyrev"])) - - r = self.file(f) - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if not meta and t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - new[f] = fp1 - continue - - new[f] = r.add(t, meta, tr, linkrev, fp1, fp2) - # remember what we've added so that we can later calculate - # the files to pull from a set of changesets - changed.append(f) - - # update manifest - m1.update(new) - for f in remove: - if f in m1: - del m1[f] - mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0], - (new, remove)) - - # add changeset - new = new.keys() - new.sort() - - if not text: - edittext = "" - if p2 != nullid: - edittext += "HG: branch merge\n" - edittext += "\n" + "HG: manifest hash %s\n" % hex(mn) - edittext += "".join(["HG: changed %s\n" % f for f in changed]) - edittext += "".join(["HG: removed %s\n" % f for f in remove]) - if not changed and not remove: - edittext += "HG: no files changed\n" - edittext = self.ui.edit(edittext) - if not edittext.rstrip(): - return None - text = edittext - - user = user or self.ui.username() - n = self.changelog.add(mn, changed, text, tr, p1, p2, user, date) - tr.close() - - self.dirstate.setparents(n) - self.dirstate.update(new, "n") - self.dirstate.forget(remove) - - if not self.hook("commit", node=hex(n)): - return None - return n - - def walk(self, node=None, files=[], match=util.always): - if node: - for fn in self.manifest.read(self.changelog.read(node)[0]): - if match(fn): yield 'm', fn - else: - for src, fn in self.dirstate.walk(files, match): - yield src, fn - - def changes(self, node1 = None, node2 = None, files = [], - match = util.always): - mf2, u = None, [] - - def fcmp(fn, mf): - t1 = self.wread(fn) - t2 = self.file(fn).read(mf.get(fn, nullid)) - return cmp(t1, t2) - - def mfmatches(node): - mf = dict(self.manifest.read(node)) - for fn in mf.keys(): - if not match(fn): - del mf[fn] - return mf - - # are we comparing the working directory? - if not node2: - l, c, a, d, u = self.dirstate.changes(files, match) - - # are we comparing working dir against its parent? - if not node1: - if l: - # do a full compare of any files that might have changed - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in l: - if fcmp(f, mf2): - c.append(f) - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - # are we comparing working dir against non-tip? - # generate a pseudo-manifest for the working dir - if not node2: - if not mf2: - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in a + c + l: - mf2[f] = "" - for f in d: - if f in mf2: del mf2[f] - else: - change = self.changelog.read(node2) - mf2 = mfmatches(change[0]) - - # flush lists from dirstate before comparing manifests - c, a = [], [] - - change = self.changelog.read(node1) - mf1 = mfmatches(change[0]) - - for fn in mf2: - if mf1.has_key(fn): - if mf1[fn] != mf2[fn]: - if mf2[fn] != "" or fcmp(fn, mf1): - c.append(fn) - del mf1[fn] - else: - a.append(fn) - - d = mf1.keys() - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - def add(self, list): - for f in list: - p = self.wjoin(f) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % f) - elif not os.path.isfile(p): - self.ui.warn("%s not added: only files supported currently\n" % f) - elif self.dirstate.state(f) in 'an': - self.ui.warn("%s already tracked!\n" % f) - else: - self.dirstate.update([f], "a") - - def forget(self, list): - for f in list: - if self.dirstate.state(f) not in 'ai': - self.ui.warn("%s not added!\n" % f) - else: - self.dirstate.forget([f]) - - def remove(self, list): - for f in list: - p = self.wjoin(f) - if os.path.exists(p): - self.ui.warn("%s still exists!\n" % f) - elif self.dirstate.state(f) == 'a': - self.ui.warn("%s never committed!\n" % f) - self.dirstate.forget([f]) - elif f not in self.dirstate: - self.ui.warn("%s not tracked!\n" % f) - else: - self.dirstate.update([f], "r") - - def copy(self, source, dest): - p = self.wjoin(dest) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % dest) - elif not os.path.isfile(p): - self.ui.warn("copy failed: %s is not a file\n" % dest) - else: - if self.dirstate.state(dest) == '?': - self.dirstate.update([dest], "a") - self.dirstate.copy(source, dest) - - def heads(self): - return self.changelog.heads() - - # branchlookup returns a dict giving a list of branches for - # each head. A branch is defined as the tag of a node or - # the branch of the node's parents. If a node has multiple - # branch tags, tags are eliminated if they are visible from other - # branch tags. - # - # So, for this graph: a->b->c->d->e - # \ / - # aa -----/ - # a has tag 2.6.12 - # d has tag 2.6.13 - # e would have branch tags for 2.6.12 and 2.6.13. Because the node - # for 2.6.12 can be reached from the node 2.6.13, that is eliminated - # from the list. - # - # It is possible that more than one head will have the same branch tag. - # callers need to check the result for multiple heads under the same - # branch tag if that is a problem for them (ie checkout of a specific - # branch). - # - # passing in a specific branch will limit the depth of the search - # through the parents. It won't limit the branches returned in the - # result though. - def branchlookup(self, heads=None, branch=None): - if not heads: - heads = self.heads() - headt = [ h for h in heads ] - chlog = self.changelog - branches = {} - merges = [] - seenmerge = {} - - # traverse the tree once for each head, recording in the branches - # dict which tags are visible from this head. The branches - # dict also records which tags are visible from each tag - # while we traverse. - while headt or merges: - if merges: - n, found = merges.pop() - visit = [n] - else: - h = headt.pop() - visit = [h] - found = [h] - seen = {} - while visit: - n = visit.pop() - if n in seen: - continue - pp = chlog.parents(n) - tags = self.nodetags(n) - if tags: - for x in tags: - if x == 'tip': - continue - for f in found: - branches.setdefault(f, {})[n] = 1 - branches.setdefault(n, {})[n] = 1 - break - if n not in found: - found.append(n) - if branch in tags: - continue - seen[n] = 1 - if pp[1] != nullid and n not in seenmerge: - merges.append((pp[1], [x for x in found])) - seenmerge[n] = 1 - if pp[0] != nullid: - visit.append(pp[0]) - # traverse the branches dict, eliminating branch tags from each - # head that are visible from another branch tag for that head. - out = {} - viscache = {} - for h in heads: - def visible(node): - if node in viscache: - return viscache[node] - ret = {} - visit = [node] - while visit: - x = visit.pop() - if x in viscache: - ret.update(viscache[x]) - elif x not in ret: - ret[x] = 1 - if x in branches: - visit[len(visit):] = branches[x].keys() - viscache[node] = ret - return ret - if h not in branches: - continue - # O(n^2), but somewhat limited. This only searches the - # tags visible from a specific head, not all the tags in the - # whole repo. - for b in branches[h]: - vis = False - for bb in branches[h].keys(): - if b != bb: - if b in visible(bb): - vis = True - break - if not vis: - l = out.setdefault(h, []) - l[len(l):] = self.nodetags(b) - return out - - def branches(self, nodes): - if not nodes: nodes = [self.changelog.tip()] - b = [] - for n in nodes: - t = n - while n: - p = self.changelog.parents(n) - if p[1] != nullid or p[0] == nullid: - b.append((t, n, p[0], p[1])) - break - n = p[0] - return b - - def between(self, pairs): - r = [] - - for top, bottom in pairs: - n, l, i = top, [], 0 - f = 1 - - while n != bottom: - p = self.changelog.parents(n)[0] - if i == f: - l.append(n) - f = f * 2 - n = p - i += 1 - - r.append(l) - - return r - - def newer(self, nodes): - m = {} - nl = [] - pm = {} - cl = self.changelog - t = l = cl.count() - - # find the lowest numbered node - for n in nodes: - l = min(l, cl.rev(n)) - m[n] = 1 - - for i in xrange(l, t): - n = cl.node(i) - if n in m: # explicitly listed - pm[n] = 1 - nl.append(n) - continue - for p in cl.parents(n): - if p in pm: # parent listed - pm[n] = 1 - nl.append(n) - break - - return nl - - def findincoming(self, remote, base=None, heads=None): - m = self.changelog.nodemap - search = [] - fetch = {} - seen = {} - seenbranch = {} - if base == None: - base = {} - - # assume we're closer to the tip than the root - # and start by examining the heads - self.ui.status("searching for changes\n") - - if not heads: - heads = remote.heads() - - unknown = [] - for h in heads: - if h not in m: - unknown.append(h) - else: - base[h] = 1 - - if not unknown: - return None - - rep = {} - reqcnt = 0 - - # search through remote branches - # a 'branch' here is a linear segment of history, with four parts: - # head, root, first parent, second parent - # (a branch always has two parents (or none) by definition) - unknown = remote.branches(unknown) - while unknown: - r = [] - while unknown: - n = unknown.pop(0) - if n[0] in seen: - continue - - self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) - if n[0] == nullid: - break - if n in seenbranch: - self.ui.debug("branch already found\n") - continue - if n[1] and n[1] in m: # do we know the base? - self.ui.debug("found incomplete branch %s:%s\n" - % (short(n[0]), short(n[1]))) - search.append(n) # schedule branch range for scanning - seenbranch[n] = 1 - else: - if n[1] not in seen and n[1] not in fetch: - if n[2] in m and n[3] in m: - self.ui.debug("found new changeset %s\n" % - short(n[1])) - fetch[n[1]] = 1 # earliest unknown - base[n[2]] = 1 # latest known - continue - - for a in n[2:4]: - if a not in rep: - r.append(a) - rep[a] = 1 - - seen[n[0]] = 1 - - if r: - reqcnt += 1 - self.ui.debug("request %d: %s\n" % - (reqcnt, " ".join(map(short, r)))) - for p in range(0, len(r), 10): - for b in remote.branches(r[p:p+10]): - self.ui.debug("received %s:%s\n" % - (short(b[0]), short(b[1]))) - if b[0] in m: - self.ui.debug("found base node %s\n" % short(b[0])) - base[b[0]] = 1 - elif b[0] not in seen: - unknown.append(b) - - # do binary search on the branches we found - while search: - n = search.pop(0) - reqcnt += 1 - l = remote.between([(n[0], n[1])])[0] - l.append(n[1]) - p = n[0] - f = 1 - for i in l: - self.ui.debug("narrowing %d:%d %s\n" % (f, len(l), short(i))) - if i in m: - if f <= 2: - self.ui.debug("found new branch changeset %s\n" % - short(p)) - fetch[p] = 1 - base[i] = 1 - else: - self.ui.debug("narrowed branch search to %s:%s\n" - % (short(p), short(i))) - search.append((p, i)) - break - p, f = i, f * 2 - - # sanity check our fetch list - for f in fetch.keys(): - if f in m: - raise RepoError("already have changeset " + short(f[:4])) - - if base.keys() == [nullid]: - self.ui.warn("warning: pulling from an unrelated repository!\n") - - self.ui.note("found new changesets starting at " + - " ".join([short(f) for f in fetch]) + "\n") - - self.ui.debug("%d total queries\n" % reqcnt) - - return fetch.keys() - - def findoutgoing(self, remote, base=None, heads=None): - if base == None: - base = {} - self.findincoming(remote, base, heads) - - self.ui.debug("common changesets up to " - + " ".join(map(short, base.keys())) + "\n") - - remain = dict.fromkeys(self.changelog.nodemap) - - # prune everything remote has from the tree - del remain[nullid] - remove = base.keys() - while remove: - n = remove.pop(0) - if n in remain: - del remain[n] - for p in self.changelog.parents(n): - remove.append(p) - - # find every node whose parents have been pruned - subset = [] - for n in remain: - p1, p2 = self.changelog.parents(n) - if p1 not in remain and p2 not in remain: - subset.append(n) - - # this is the set of all roots we have to push - return subset - - def pull(self, remote): - lock = self.lock() - - # if we have an empty repo, fetch everything - if self.changelog.tip() == nullid: - self.ui.status("requesting all changes\n") - fetch = [nullid] - else: - fetch = self.findincoming(remote) - - if not fetch: - self.ui.status("no changes found\n") - return 1 - - cg = remote.changegroup(fetch) - return self.addchangegroup(cg) - - def push(self, remote, force=False): - lock = remote.lock() - - base = {} - heads = remote.heads() - inc = self.findincoming(remote, base, heads) - if not force and inc: - self.ui.warn("abort: unsynced remote changes!\n") - self.ui.status("(did you forget to sync? use push -f to force)\n") - return 1 - - update = self.findoutgoing(remote, base) - if not update: - self.ui.status("no changes found\n") - return 1 - elif not force: - if len(heads) < len(self.changelog.heads()): - self.ui.warn("abort: push creates new remote branches!\n") - self.ui.status("(did you forget to merge?" + - " use push -f to force)\n") - return 1 - - cg = self.changegroup(update) - return remote.addchangegroup(cg) - - def changegroup(self, basenodes): - class genread: - def __init__(self, generator): - self.g = generator - self.buf = "" - def fillbuf(self): - self.buf += "".join(self.g) - - def read(self, l): - while l > len(self.buf): - try: - self.buf += self.g.next() - except StopIteration: - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - def gengroup(): - nodes = self.newer(basenodes) - - # construct the link map - linkmap = {} - for n in nodes: - linkmap[self.changelog.rev(n)] = n - - # construct a list of all changed files - changed = {} - for n in nodes: - c = self.changelog.read(n) - for f in c[3]: - changed[f] = 1 - changed = changed.keys() - changed.sort() - - # the changegroup is changesets + manifests + all file revs - revs = [ self.changelog.rev(n) for n in nodes ] - - for y in self.changelog.group(linkmap): yield y - for y in self.manifest.group(linkmap): yield y - for f in changed: - yield struct.pack(">l", len(f) + 4) + f - g = self.file(f).group(linkmap) - for y in g: - yield y - - yield struct.pack(">l", 0) - - return genread(gengroup()) - - def addchangegroup(self, source): - - def getchunk(): - d = source.read(4) - if not d: return "" - l = struct.unpack(">l", d)[0] - if l <= 4: return "" - return source.read(l - 4) - - def getgroup(): - while 1: - c = getchunk() - if not c: break - yield c - - def csmap(x): - self.ui.debug("add changeset %s\n" % short(x)) - return self.changelog.count() - - def revmap(x): - return self.changelog.rev(x) - - if not source: return - changesets = files = revisions = 0 - - tr = self.transaction() - - oldheads = len(self.changelog.heads()) - - # pull off the changeset group - self.ui.status("adding changesets\n") - co = self.changelog.tip() - cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique - changesets = self.changelog.rev(cn) - self.changelog.rev(co) - - # pull off the manifest group - self.ui.status("adding manifests\n") - mm = self.manifest.tip() - mo = self.manifest.addgroup(getgroup(), revmap, tr) - - # process the files - self.ui.status("adding file changes\n") - while 1: - f = getchunk() - if not f: break - self.ui.debug("adding %s revisions\n" % f) - fl = self.file(f) - o = fl.count() - n = fl.addgroup(getgroup(), revmap, tr) - revisions += fl.count() - o - files += 1 - - newheads = len(self.changelog.heads()) - heads = "" - if oldheads and newheads > oldheads: - heads = " (+%d heads)" % (newheads - oldheads) - - self.ui.status(("added %d changesets" + - " with %d changes to %d files%s\n") - % (changesets, revisions, files, heads)) - - tr.close() - - if not self.hook("changegroup"): - return 1 - - return - - def update(self, node, allow=False, force=False, choose=None, - moddirstate=True): - pl = self.dirstate.parents() - if not force and pl[1] != nullid: - self.ui.warn("aborting: outstanding uncommitted merges\n") - return 1 - - p1, p2 = pl[0], node - pa = self.changelog.ancestor(p1, p2) - m1n = self.changelog.read(p1)[0] - m2n = self.changelog.read(p2)[0] - man = self.manifest.ancestor(m1n, m2n) - m1 = self.manifest.read(m1n) - mf1 = self.manifest.readflags(m1n) - m2 = self.manifest.read(m2n) - mf2 = self.manifest.readflags(m2n) - ma = self.manifest.read(man) - mfa = self.manifest.readflags(man) - - (c, a, d, u) = self.changes() - - # is this a jump, or a merge? i.e. is there a linear path - # from p1 to p2? - linear_path = (pa == p1 or pa == p2) - - # resolve the manifest to determine which files - # we care about merging - self.ui.note("resolving manifests\n") - self.ui.debug(" force %s allow %s moddirstate %s linear %s\n" % - (force, allow, moddirstate, linear_path)) - self.ui.debug(" ancestor %s local %s remote %s\n" % - (short(man), short(m1n), short(m2n))) - - merge = {} - get = {} - remove = [] - - # construct a working dir manifest - mw = m1.copy() - mfw = mf1.copy() - umap = dict.fromkeys(u) - - for f in a + c + u: - mw[f] = "" - mfw[f] = util.is_exec(self.wjoin(f), mfw.get(f, False)) - - for f in d: - if f in mw: del mw[f] - - # If we're jumping between revisions (as opposed to merging), - # and if neither the working directory nor the target rev has - # the file, then we need to remove it from the dirstate, to - # prevent the dirstate from listing the file when it is no - # longer in the manifest. - if moddirstate and linear_path and f not in m2: - self.dirstate.forget((f,)) - - # Compare manifests - for f, n in mw.iteritems(): - if choose and not choose(f): continue - if f in m2: - s = 0 - - # is the wfile new since m1, and match m2? - if f not in m1: - t1 = self.wread(f) - t2 = self.file(f).read(m2[f]) - if cmp(t1, t2) == 0: - n = m2[f] - del t1, t2 - - # are files different? - if n != m2[f]: - a = ma.get(f, nullid) - # are both different from the ancestor? - if n != a and m2[f] != a: - self.ui.debug(" %s versions differ, resolve\n" % f) - # merge executable bits - # "if we changed or they changed, change in merge" - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - merge[f] = (m1.get(f, nullid), m2[f], mode) - s = 1 - # are we clobbering? - # is remote's version newer? - # or are we going back in time? - elif force or m2[f] != a or (p2 == pa and mw[f] == m1[f]): - self.ui.debug(" remote %s is newer, get\n" % f) - get[f] = m2[f] - s = 1 - elif f in umap: - # this unknown file is the same as the checkout - get[f] = m2[f] - - if not s and mfw[f] != mf2[f]: - if force: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mf2[f]) - else: - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - if mode != b: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mode) - del m2[f] - elif f in ma: - if n != ma[f]: - r = "d" - if not force and (linear_path or allow): - r = self.ui.prompt( - (" local changed %s which remote deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "d": - remove.append(f) - else: - self.ui.debug("other deleted %s\n" % f) - remove.append(f) # other deleted it - else: - if n == m1.get(f, nullid): # same as parent - if p2 == pa: # going backwards? - self.ui.debug("remote deleted %s\n" % f) - remove.append(f) - else: - self.ui.debug("local created %s, keeping\n" % f) - else: - self.ui.debug("working dir created %s, keeping\n" % f) - - for f, n in m2.iteritems(): - if choose and not choose(f): continue - if f[0] == "/": continue - if f in ma and n != ma[f]: - r = "k" - if not force and (linear_path or allow): - r = self.ui.prompt( - ("remote changed %s which local deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "k": get[f] = n - elif f not in ma: - self.ui.debug("remote created %s\n" % f) - get[f] = n - else: - if force or p2 == pa: # going backwards? - self.ui.debug("local deleted %s, recreating\n" % f) - get[f] = n - else: - self.ui.debug("local deleted %s\n" % f) - - del mw, m1, m2, ma - - if force: - for f in merge: - get[f] = merge[f][1] - merge = {} - - if linear_path or force: - # we don't need to do any magic, just jump to the new rev - branch_merge = False - p1, p2 = p2, nullid - else: - if not allow: - self.ui.status("this update spans a branch" + - " affecting the following files:\n") - fl = merge.keys() + get.keys() - fl.sort() - for f in fl: - cf = "" - if f in merge: cf = " (resolve)" - self.ui.status(" %s%s\n" % (f, cf)) - self.ui.warn("aborting update spanning branches!\n") - self.ui.status("(use update -m to merge across branches" + - " or -C to lose changes)\n") - return 1 - branch_merge = True - - if moddirstate: - self.dirstate.setparents(p1, p2) - - # get the files we don't need to change - files = get.keys() - files.sort() - for f in files: - if f[0] == "/": continue - self.ui.note("getting %s\n" % f) - t = self.file(f).read(get[f]) - try: - self.wwrite(f, t) - except IOError: - os.makedirs(os.path.dirname(self.wjoin(f))) - self.wwrite(f, t) - util.set_exec(self.wjoin(f), mf2[f]) - if moddirstate: - if branch_merge: - self.dirstate.update([f], 'n', st_mtime=-1) - else: - self.dirstate.update([f], 'n') - - # merge the tricky bits - files = merge.keys() - files.sort() - for f in files: - self.ui.status("merging %s\n" % f) - my, other, flag = merge[f] - self.merge3(f, my, other) - util.set_exec(self.wjoin(f), flag) - if moddirstate: - if branch_merge: - # We've done a branch merge, mark this file as merged - # so that we properly record the merger later - self.dirstate.update([f], 'm') - else: - # We've update-merged a locally modified file, so - # we set the dirstate to emulate a normal checkout - # of that file some time in the past. Thus our - # merge will appear as a normal local file - # modification. - f_len = len(self.file(f).read(other)) - self.dirstate.update([f], 'n', st_size=f_len, st_mtime=-1) - - remove.sort() - for f in remove: - self.ui.note("removing %s\n" % f) - try: - os.unlink(self.wjoin(f)) - except OSError, inst: - self.ui.warn("update failed to remove %s: %s!\n" % (f, inst)) - # try removing directories that might now be empty - try: os.removedirs(os.path.dirname(self.wjoin(f))) - except: pass - if moddirstate: - if branch_merge: - self.dirstate.update(remove, 'r') - else: - self.dirstate.forget(remove) - - def merge3(self, fn, my, other): - """perform a 3-way merge in the working directory""" - - def temp(prefix, node): - pre = "%s~%s." % (os.path.basename(fn), prefix) - (fd, name) = tempfile.mkstemp("", pre) - f = os.fdopen(fd, "wb") - self.wwrite(fn, fl.read(node), f) - f.close() - return name - - fl = self.file(fn) - base = fl.ancestor(my, other) - a = self.wjoin(fn) - b = temp("base", base) - c = temp("other", other) - - self.ui.note("resolving %s\n" % fn) - self.ui.debug("file %s: other %s ancestor %s\n" % - (fn, short(other), short(base))) - - cmd = (os.environ.get("HGMERGE") or self.ui.config("ui", "merge") - or "hgmerge") - r = os.system("%s %s %s %s" % (cmd, a, b, c)) - if r: - self.ui.warn("merging %s failed!\n" % fn) - - os.unlink(b) - os.unlink(c) - - def verify(self): - filelinkrevs = {} - filenodes = {} - changesets = revisions = files = 0 - errors = 0 - - seen = {} - self.ui.status("checking changesets\n") - for i in range(self.changelog.count()): - changesets += 1 - n = self.changelog.node(i) - if n in seen: - self.ui.warn("duplicate changeset at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.changelog.parents(n): - if p not in self.changelog.nodemap: - self.ui.warn("changeset %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - try: - changes = self.changelog.read(n) - except Exception, inst: - self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) - errors += 1 - - for f in changes[3]: - filelinkrevs.setdefault(f, []).append(i) - - seen = {} - self.ui.status("checking manifests\n") - for i in range(self.manifest.count()): - n = self.manifest.node(i) - if n in seen: - self.ui.warn("duplicate manifest at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.manifest.parents(n): - if p not in self.manifest.nodemap: - self.ui.warn("manifest %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - - try: - delta = mdiff.patchtext(self.manifest.delta(n)) - except KeyboardInterrupt: - self.ui.warn("aborted") - sys.exit(0) - except Exception, inst: - self.ui.warn("unpacking manifest %s: %s\n" - % (short(n), inst)) - errors += 1 - - ff = [ l.split('\0') for l in delta.splitlines() ] - for f, fn in ff: - filenodes.setdefault(f, {})[bin(fn[:40])] = 1 - - self.ui.status("crosschecking files in changesets and manifests\n") - for f in filenodes: - if f not in filelinkrevs: - self.ui.warn("file %s in manifest but not in changesets\n" % f) - errors += 1 - - for f in filelinkrevs: - if f not in filenodes: - self.ui.warn("file %s in changeset but not in manifest\n" % f) - errors += 1 - - self.ui.status("checking files\n") - ff = filenodes.keys() - ff.sort() - for f in ff: - if f == "/dev/null": continue - files += 1 - fl = self.file(f) - nodes = { nullid: 1 } - seen = {} - for i in range(fl.count()): - revisions += 1 - n = fl.node(i) - - if n in seen: - self.ui.warn("%s: duplicate revision %d\n" % (f, i)) - errors += 1 - - if n not in filenodes[f]: - self.ui.warn("%s: %d:%s not in manifests\n" - % (f, i, short(n))) - errors += 1 - else: - del filenodes[f][n] - - flr = fl.linkrev(n) - if flr not in filelinkrevs[f]: - self.ui.warn("%s:%s points to unexpected changeset %d\n" - % (f, short(n), fl.linkrev(n))) - errors += 1 - else: - filelinkrevs[f].remove(flr) - - # verify contents - try: - t = fl.read(n) - except Exception, inst: - self.ui.warn("unpacking file %s %s: %s\n" - % (f, short(n), inst)) - errors += 1 - - # verify parents - (p1, p2) = fl.parents(n) - if p1 not in nodes: - self.ui.warn("file %s:%s unknown parent 1 %s" % - (f, short(n), short(p1))) - errors += 1 - if p2 not in nodes: - self.ui.warn("file %s:%s unknown parent 2 %s" % - (f, short(n), short(p1))) - errors += 1 - nodes[n] = 1 - - # cross-check - for node in filenodes[f]: - self.ui.warn("node %s in manifests not in %s\n" - % (hex(node), f)) - errors += 1 - - self.ui.status("%d files, %d changesets, %d total revisions\n" % - (files, changesets, revisions)) - - if errors: - self.ui.warn("%d integrity errors encountered!\n" % errors) - return 1 - -class remoterepository: - def local(self): - return False +import urllib, urllib2, urlparse, os, zlib +from node import * +from remoterepo import * class httprepository(remoterepository): def __init__(self, ui, path): @@ -2148,149 +138,5 @@ class httprepository(remoterepository): return zread(f) -class remotelock: - def __init__(self, repo): - self.repo = repo - def release(self): - self.repo.unlock() - self.repo = None - def __del__(self): - if self.repo: - self.release() - -class sshrepository(remoterepository): - def __init__(self, ui, path): - self.url = path - self.ui = ui - - m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?', path) - if not m: - raise RepoError("couldn't parse destination %s" % path) - - self.user = m.group(2) - self.host = m.group(3) - self.port = m.group(5) - self.path = m.group(7) or "." - - args = self.user and ("%s@%s" % (self.user, self.host)) or self.host - args = self.port and ("%s -p %s") % (args, self.port) or args - - sshcmd = self.ui.config("ui", "ssh", "ssh") - remotecmd = self.ui.config("ui", "remotecmd", "hg") - cmd = "%s %s '%s -R %s serve --stdio'" - cmd = cmd % (sshcmd, args, remotecmd, self.path) - - self.pipeo, self.pipei, self.pipee = os.popen3(cmd) - - def readerr(self): - while 1: - r,w,x = select.select([self.pipee], [], [], 0) - if not r: break - l = self.pipee.readline() - if not l: break - self.ui.status("remote: ", l) - - def __del__(self): - try: - self.pipeo.close() - self.pipei.close() - for l in self.pipee: - self.ui.status("remote: ", l) - self.pipee.close() - except: - pass - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - self.pipeo.write("%s\n" % cmd) - for k, v in args.items(): - self.pipeo.write("%s %d\n" % (k, len(v))) - self.pipeo.write(v) - self.pipeo.flush() - - return self.pipei - - def call(self, cmd, **args): - r = self.do_cmd(cmd, **args) - l = r.readline() - self.readerr() - try: - l = int(l) - except: - raise RepoError("unexpected response '%s'" % l) - return r.read(l) - - def lock(self): - self.call("lock") - return remotelock(self) - - def unlock(self): - self.call("unlock") - - def heads(self): - d = self.call("heads") - try: - return map(bin, d[:-1].split(" ")) - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.call("branches", nodes=n) - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.call("between", pairs=n) - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - return self.pipei - - def addchangegroup(self, cg): - d = self.call("addchangegroup") - if d: - raise RepoError("push refused: %s", d) - - while 1: - d = cg.read(4096) - if not d: break - self.pipeo.write(d) - self.readerr() - - self.pipeo.flush() - - self.readerr() - l = int(self.pipei.readline()) - return self.pipei.read(l) != "" - class httpsrepository(httprepository): pass - -def repository(ui, path=None, create=0): - if path: - if path.startswith("http://"): - return httprepository(ui, path) - if path.startswith("https://"): - return httpsrepository(ui, path) - if path.startswith("hg://"): - return httprepository(ui, path.replace("hg://", "http://")) - if path.startswith("old-http://"): - return localrepository(ui, path.replace("old-http://", "http://")) - if path.startswith("ssh://"): - return sshrepository(ui, path) - - return localrepository(ui, path, create) diff --git a/mercurial/hg.py b/mercurial/localrepo.py copy from mercurial/hg.py copy to mercurial/localrepo.py --- a/mercurial/hg.py +++ b/mercurial/localrepo.py @@ -1,627 +1,22 @@ -# hg.py - repository classes for mercurial +# localrepo.py - read/write repository class for mercurial # # Copyright 2005 Matt Mackall # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. -import sys, struct, os -import util +import sys, struct, os, util +from repo import * from revlog import * +from filelog import * +from manifest import * +from changelog import * from demandload import * -demandload(globals(), "re lock urllib urllib2 transaction time socket") -demandload(globals(), "tempfile httprangereader bdiff urlparse") -demandload(globals(), "bisect errno select stat") - -class filelog(revlog): - def __init__(self, opener, path): - revlog.__init__(self, opener, - os.path.join("data", self.encodedir(path + ".i")), - os.path.join("data", self.encodedir(path + ".d"))) - - # This avoids a collision between a file named foo and a dir named - # foo.i or foo.d - def encodedir(self, path): - return (path - .replace(".hg/", ".hg.hg/") - .replace(".i/", ".i.hg/") - .replace(".d/", ".d.hg/")) - - def decodedir(self, path): - return (path - .replace(".d.hg/", ".d/") - .replace(".i.hg/", ".i/") - .replace(".hg.hg/", ".hg/")) - - def read(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - return t[s+2:] - - def readmeta(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - mt = t[2:s] - for l in mt.splitlines(): - k, v = l.split(": ", 1) - m[k] = v - return m - - def add(self, text, meta, transaction, link, p1=None, p2=None): - if meta or text.startswith('\1\n'): - mt = "" - if meta: - mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] - text = "\1\n" + "".join(mt) + "\1\n" + text - return self.addrevision(text, transaction, link, p1, p2) - - def annotate(self, node): - - def decorate(text, rev): - return ([rev] * len(text.splitlines()), text) - - def pair(parent, child): - for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): - child[0][b1:b2] = parent[0][a1:a2] - return child - - # find all ancestors - needed = {node:1} - visit = [node] - while visit: - n = visit.pop(0) - for p in self.parents(n): - if p not in needed: - needed[p] = 1 - visit.append(p) - else: - # count how many times we'll use this - needed[p] += 1 - - # sort by revision which is a topological order - visit = [ (self.rev(n), n) for n in needed.keys() ] - visit.sort() - hist = {} - - for r,n in visit: - curr = decorate(self.read(n), self.linkrev(n)) - for p in self.parents(n): - if p != nullid: - curr = pair(hist[p], curr) - # trim the history of unneeded revs - needed[p] -= 1 - if not needed[p]: - del hist[p] - hist[n] = curr - - return zip(hist[n][0], hist[n][1].splitlines(1)) - -class manifest(revlog): - def __init__(self, opener): - self.mapcache = None - self.listcache = None - self.addlist = None - revlog.__init__(self, opener, "00manifest.i", "00manifest.d") - - def read(self, node): - if node == nullid: return {} # don't upset local cache - if self.mapcache and self.mapcache[0] == node: - return self.mapcache[1] - text = self.revision(node) - map = {} - flag = {} - self.listcache = (text, text.splitlines(1)) - for l in self.listcache[1]: - (f, n) = l.split('\0') - map[f] = bin(n[:40]) - flag[f] = (n[40:-1] == "x") - self.mapcache = (node, map, flag) - return map - - def readflags(self, node): - if node == nullid: return {} # don't upset local cache - if not self.mapcache or self.mapcache[0] != node: - self.read(node) - return self.mapcache[2] - - def diff(self, a, b): - # this is sneaky, as we're not actually using a and b - if self.listcache and self.addlist and self.listcache[0] == a: - d = mdiff.diff(self.listcache[1], self.addlist, 1) - if mdiff.patch(a, d) != b: - sys.stderr.write("*** sortdiff failed, falling back ***\n") - return mdiff.textdiff(a, b) - return d - else: - return mdiff.textdiff(a, b) - - def add(self, map, flags, transaction, link, p1=None, p2=None, - changed=None): - # directly generate the mdiff delta from the data collected during - # the bisect loop below - def gendelta(delta): - i = 0 - result = [] - while i < len(delta): - start = delta[i][2] - end = delta[i][3] - l = delta[i][4] - if l == None: - l = "" - while i < len(delta) - 1 and start <= delta[i+1][2] \ - and end >= delta[i+1][2]: - if delta[i+1][3] > end: - end = delta[i+1][3] - if delta[i+1][4]: - l += delta[i+1][4] - i += 1 - result.append(struct.pack(">lll", start, end, len(l)) + l) - i += 1 - return result - - # apply the changes collected during the bisect loop to our addlist - def addlistdelta(addlist, delta): - # apply the deltas to the addlist. start from the bottom up - # so changes to the offsets don't mess things up. - i = len(delta) - while i > 0: - i -= 1 - start = delta[i][0] - end = delta[i][1] - if delta[i][4]: - addlist[start:end] = [delta[i][4]] - else: - del addlist[start:end] - return addlist - - # calculate the byte offset of the start of each line in the - # manifest - def calcoffsets(addlist): - offsets = [0] * (len(addlist) + 1) - offset = 0 - i = 0 - while i < len(addlist): - offsets[i] = offset - offset += len(addlist[i]) - i += 1 - offsets[i] = offset - return offsets - - # if we're using the listcache, make sure it is valid and - # parented by the same node we're diffing against - if not changed or not self.listcache or not p1 or \ - self.mapcache[0] != p1: - files = map.keys() - files.sort() - - self.addlist = ["%s\000%s%s\n" % - (f, hex(map[f]), flags[f] and "x" or '') - for f in files] - cachedelta = None - else: - addlist = self.listcache[1] - - # find the starting offset for each line in the add list - offsets = calcoffsets(addlist) - - # combine the changed lists into one list for sorting - work = [[x, 0] for x in changed[0]] - work[len(work):] = [[x, 1] for x in changed[1]] - work.sort() - - delta = [] - bs = 0 - - for w in work: - f = w[0] - # bs will either be the index of the item or the insert point - bs = bisect.bisect(addlist, f, bs) - if bs < len(addlist): - fn = addlist[bs][:addlist[bs].index('\0')] - else: - fn = None - if w[1] == 0: - l = "%s\000%s%s\n" % (f, hex(map[f]), - flags[f] and "x" or '') - else: - l = None - start = bs - if fn != f: - # item not found, insert a new one - end = bs - if w[1] == 1: - sys.stderr.write("failed to remove %s from manifest\n" - % f) - sys.exit(1) - else: - # item is found, replace/delete the existing line - end = bs + 1 - delta.append([start, end, offsets[start], offsets[end], l]) - - self.addlist = addlistdelta(addlist, delta) - if self.mapcache[0] == self.tip(): - cachedelta = "".join(gendelta(delta)) - else: - cachedelta = None - - text = "".join(self.addlist) - if cachedelta and mdiff.patch(self.listcache[0], cachedelta) != text: - sys.stderr.write("manifest delta failure\n") - sys.exit(1) - n = self.addrevision(text, transaction, link, p1, p2, cachedelta) - self.mapcache = (n, map, flags) - self.listcache = (text, self.addlist) - self.addlist = None - - return n - -class changelog(revlog): - def __init__(self, opener): - revlog.__init__(self, opener, "00changelog.i", "00changelog.d") - - def extract(self, text): - if not text: - return (nullid, "", "0", [], "") - last = text.index("\n\n") - desc = text[last + 2:] - l = text[:last].splitlines() - manifest = bin(l[0]) - user = l[1] - date = l[2] - if " " not in date: - date += " 0" # some tools used -d without a timezone - files = l[3:] - return (manifest, user, date, files, desc) - - def read(self, node): - return self.extract(self.revision(node)) - - def add(self, manifest, list, desc, transaction, p1=None, p2=None, - user=None, date=None): - if not date: - if time.daylight: offset = time.altzone - else: offset = time.timezone - date = "%d %d" % (time.time(), offset) - list.sort() - l = [hex(manifest), user, date] + list + ["", desc] - text = "\n".join(l) - return self.addrevision(text, transaction, self.count(), p1, p2) - -class dirstate: - def __init__(self, opener, ui, root): - self.opener = opener - self.root = root - self.dirty = 0 - self.ui = ui - self.map = None - self.pl = None - self.copies = {} - self.ignorefunc = None - - def wjoin(self, f): - return os.path.join(self.root, f) - - def getcwd(self): - cwd = os.getcwd() - if cwd == self.root: return '' - return cwd[len(self.root) + 1:] - - def ignore(self, f): - if not self.ignorefunc: - bigpat = [] - try: - l = file(self.wjoin(".hgignore")) - for pat in l: - p = pat.rstrip() - if p: - try: - re.compile(p) - except: - self.ui.warn("ignoring invalid ignore" - + " regular expression '%s'\n" % p) - else: - bigpat.append(p) - except IOError: pass - - if bigpat: - s = "(?:%s)" % (")|(?:".join(bigpat)) - r = re.compile(s) - self.ignorefunc = r.search - else: - self.ignorefunc = util.never - - return self.ignorefunc(f) - - def __del__(self): - if self.dirty: - self.write() - - def __getitem__(self, key): - try: - return self.map[key] - except TypeError: - self.read() - return self[key] - - def __contains__(self, key): - if not self.map: self.read() - return key in self.map - - def parents(self): - if not self.pl: - self.read() - return self.pl - - def markdirty(self): - if not self.dirty: - self.dirty = 1 - - def setparents(self, p1, p2=nullid): - self.markdirty() - self.pl = p1, p2 - - def state(self, key): - try: - return self[key][0] - except KeyError: - return "?" - - def read(self): - if self.map is not None: return self.map - - self.map = {} - self.pl = [nullid, nullid] - try: - st = self.opener("dirstate").read() - if not st: return - except: return - - self.pl = [st[:20], st[20: 40]] - - pos = 40 - while pos < len(st): - e = struct.unpack(">cllll", st[pos:pos+17]) - l = e[4] - pos += 17 - f = st[pos:pos + l] - if '\0' in f: - f, c = f.split('\0') - self.copies[f] = c - self.map[f] = e[:4] - pos += l - - def copy(self, source, dest): - self.read() - self.markdirty() - self.copies[dest] = source - - def copied(self, file): - return self.copies.get(file, None) - - def update(self, files, state, **kw): - ''' current states: - n normal - m needs merging - r marked for removal - a marked for addition''' - - if not files: return - self.read() - self.markdirty() - for f in files: - if state == "r": - self.map[f] = ('r', 0, 0, 0) - else: - s = os.stat(os.path.join(self.root, f)) - st_size = kw.get('st_size', s.st_size) - st_mtime = kw.get('st_mtime', s.st_mtime) - self.map[f] = (state, s.st_mode, st_size, st_mtime) - - def forget(self, files): - if not files: return - self.read() - self.markdirty() - for f in files: - try: - del self.map[f] - except KeyError: - self.ui.warn("not in dirstate: %s!\n" % f) - pass - - def clear(self): - self.map = {} - self.markdirty() - - def write(self): - st = self.opener("dirstate", "w") - st.write("".join(self.pl)) - for f, e in self.map.items(): - c = self.copied(f) - if c: - f = f + "\0" + c - e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) - st.write(e + f) - self.dirty = 0 - - def filterfiles(self, files): - ret = {} - unknown = [] - - for x in files: - if x is '.': - return self.map.copy() - if x not in self.map: - unknown.append(x) - else: - ret[x] = self.map[x] - - if not unknown: - return ret - - b = self.map.keys() - b.sort() - blen = len(b) - - for x in unknown: - bs = bisect.bisect(b, x) - if bs != 0 and b[bs-1] == x: - ret[x] = self.map[x] - continue - while bs < blen: - s = b[bs] - if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/': - ret[s] = self.map[s] - else: - break - bs += 1 - return ret - - def walk(self, files=None, match=util.always, dc=None): - self.read() - - # walk all files by default - if not files: - files = [self.root] - if not dc: - dc = self.map.copy() - elif not dc: - dc = self.filterfiles(files) - - known = {'.hg': 1} - def seen(fn): - if fn in known: return True - known[fn] = 1 - def traverse(): - for ff in util.unique(files): - f = os.path.join(self.root, ff) - try: - st = os.stat(f) - except OSError, inst: - if ff not in dc: self.ui.warn('%s: %s\n' % ( - util.pathto(self.getcwd(), ff), - inst.strerror)) - continue - if stat.S_ISDIR(st.st_mode): - for dir, subdirs, fl in os.walk(f): - d = dir[len(self.root) + 1:] - nd = util.normpath(d) - if nd == '.': nd = '' - if seen(nd): - subdirs[:] = [] - continue - for sd in subdirs: - ds = os.path.join(nd, sd +'/') - if self.ignore(ds) or not match(ds): - subdirs.remove(sd) - subdirs.sort() - fl.sort() - for fn in fl: - fn = util.pconvert(os.path.join(d, fn)) - yield 'f', fn - elif stat.S_ISREG(st.st_mode): - yield 'f', ff - else: - kind = 'unknown' - if stat.S_ISCHR(st.st_mode): kind = 'character device' - elif stat.S_ISBLK(st.st_mode): kind = 'block device' - elif stat.S_ISFIFO(st.st_mode): kind = 'fifo' - elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link' - elif stat.S_ISSOCK(st.st_mode): kind = 'socket' - self.ui.warn('%s: unsupported file type (type is %s)\n' % ( - util.pathto(self.getcwd(), ff), - kind)) - - ks = dc.keys() - ks.sort() - for k in ks: - yield 'm', k - - # yield only files that match: all in dirstate, others only if - # not in .hgignore - - for src, fn in util.unique(traverse()): - fn = util.normpath(fn) - if seen(fn): continue - if fn not in dc and self.ignore(fn): - continue - if match(fn): - yield src, fn - - def changes(self, files=None, match=util.always): - self.read() - if not files: - dc = self.map.copy() - else: - dc = self.filterfiles(files) - lookup, modified, added, unknown = [], [], [], [] - removed, deleted = [], [] - - for src, fn in self.walk(files, match, dc=dc): - try: - s = os.stat(os.path.join(self.root, fn)) - except OSError: - continue - if not stat.S_ISREG(s.st_mode): - continue - c = dc.get(fn) - if c: - del dc[fn] - if c[0] == 'm': - modified.append(fn) - elif c[0] == 'a': - added.append(fn) - elif c[0] == 'r': - unknown.append(fn) - elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100: - modified.append(fn) - elif c[3] != s.st_mtime: - lookup.append(fn) - else: - unknown.append(fn) - - for fn, c in [(fn, c) for fn, c in dc.items() if match(fn)]: - if c[0] == 'r': - removed.append(fn) - else: - deleted.append(fn) - return (lookup, modified, added, removed + deleted, unknown) - -# used to avoid circular references so destructors work -def opener(base): - p = base - def o(path, mode="r"): - if p.startswith("http://"): - f = os.path.join(p, urllib.quote(path)) - return httprangereader.httprangereader(f) - - f = os.path.join(p, path) - - mode += "b" # for that other OS - - if mode[0] != "r": - try: - s = os.stat(f) - except OSError: - d = os.path.dirname(f) - if not os.path.isdir(d): - os.makedirs(d) - else: - if s.st_nlink > 1: - file(f + ".tmp", "wb").write(file(f, "rb").read()) - util.rename(f+".tmp", f) - - return file(f, mode) - - return o - -class RepoError(Exception): pass +from dirstate import * +demandload(globals(), "re lock transaction tempfile stat") class localrepository: - def __init__(self, ui, path=None, create=0): + def __init__(self, ui, opener, path=None, create=0): self.remote = 0 if path and path.startswith("http://"): self.remote = 1 @@ -2014,283 +1409,3 @@ class localrepository: if errors: self.ui.warn("%d integrity errors encountered!\n" % errors) return 1 - -class remoterepository: - def local(self): - return False - -class httprepository(remoterepository): - def __init__(self, ui, path): - # fix missing / after hostname - s = urlparse.urlsplit(path) - partial = s[2] - if not partial: partial = "/" - self.url = urlparse.urlunsplit((s[0], s[1], partial, '', '')) - self.ui = ui - no_list = [ "localhost", "127.0.0.1" ] - host = ui.config("http_proxy", "host") - if host is None: - host = os.environ.get("http_proxy") - if host and host.startswith('http://'): - host = host[7:] - user = ui.config("http_proxy", "user") - passwd = ui.config("http_proxy", "passwd") - no = ui.config("http_proxy", "no") - if no is None: - no = os.environ.get("no_proxy") - if no: - no_list = no_list + no.split(",") - - no_proxy = 0 - for h in no_list: - if (path.startswith("http://" + h + "/") or - path.startswith("http://" + h + ":") or - path == "http://" + h): - no_proxy = 1 - - # Note: urllib2 takes proxy values from the environment and those will - # take precedence - for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: - try: - if os.environ.has_key(env): - del os.environ[env] - except OSError: - pass - - proxy_handler = urllib2.BaseHandler() - if host and not no_proxy: - proxy_handler = urllib2.ProxyHandler({"http" : "http://" + host}) - - authinfo = None - if user and passwd: - passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm() - passmgr.add_password(None, host, user, passwd) - authinfo = urllib2.ProxyBasicAuthHandler(passmgr) - - opener = urllib2.build_opener(proxy_handler, authinfo) - urllib2.install_opener(opener) - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - q = {"cmd": cmd} - q.update(args) - qs = urllib.urlencode(q) - cu = "%s?%s" % (self.url, qs) - resp = urllib2.urlopen(cu) - proto = resp.headers['content-type'] - - # accept old "text/plain" and "application/hg-changegroup" for now - if not proto.startswith('application/mercurial') and \ - not proto.startswith('text/plain') and \ - not proto.startswith('application/hg-changegroup'): - raise RepoError("'%s' does not appear to be an hg repository" - % self.url) - - if proto.startswith('application/mercurial'): - version = proto[22:] - if float(version) > 0.1: - raise RepoError("'%s' uses newer protocol %s" % - (self.url, version)) - - return resp - - def heads(self): - d = self.do_cmd("heads").read() - try: - return map(bin, d[:-1].split(" ")) - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.do_cmd("branches", nodes=n).read() - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.do_cmd("between", pairs=n).read() - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - bytes = 0 - - class zread: - def __init__(self, f): - self.zd = zlib.decompressobj() - self.f = f - self.buf = "" - def read(self, l): - while l > len(self.buf): - r = self.f.read(4096) - if r: - self.buf += self.zd.decompress(r) - else: - self.buf += self.zd.flush() - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - return zread(f) - -class remotelock: - def __init__(self, repo): - self.repo = repo - def release(self): - self.repo.unlock() - self.repo = None - def __del__(self): - if self.repo: - self.release() - -class sshrepository(remoterepository): - def __init__(self, ui, path): - self.url = path - self.ui = ui - - m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?', path) - if not m: - raise RepoError("couldn't parse destination %s" % path) - - self.user = m.group(2) - self.host = m.group(3) - self.port = m.group(5) - self.path = m.group(7) or "." - - args = self.user and ("%s@%s" % (self.user, self.host)) or self.host - args = self.port and ("%s -p %s") % (args, self.port) or args - - sshcmd = self.ui.config("ui", "ssh", "ssh") - remotecmd = self.ui.config("ui", "remotecmd", "hg") - cmd = "%s %s '%s -R %s serve --stdio'" - cmd = cmd % (sshcmd, args, remotecmd, self.path) - - self.pipeo, self.pipei, self.pipee = os.popen3(cmd) - - def readerr(self): - while 1: - r,w,x = select.select([self.pipee], [], [], 0) - if not r: break - l = self.pipee.readline() - if not l: break - self.ui.status("remote: ", l) - - def __del__(self): - try: - self.pipeo.close() - self.pipei.close() - for l in self.pipee: - self.ui.status("remote: ", l) - self.pipee.close() - except: - pass - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - self.pipeo.write("%s\n" % cmd) - for k, v in args.items(): - self.pipeo.write("%s %d\n" % (k, len(v))) - self.pipeo.write(v) - self.pipeo.flush() - - return self.pipei - - def call(self, cmd, **args): - r = self.do_cmd(cmd, **args) - l = r.readline() - self.readerr() - try: - l = int(l) - except: - raise RepoError("unexpected response '%s'" % l) - return r.read(l) - - def lock(self): - self.call("lock") - return remotelock(self) - - def unlock(self): - self.call("unlock") - - def heads(self): - d = self.call("heads") - try: - return map(bin, d[:-1].split(" ")) - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.call("branches", nodes=n) - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.call("between", pairs=n) - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - return self.pipei - - def addchangegroup(self, cg): - d = self.call("addchangegroup") - if d: - raise RepoError("push refused: %s", d) - - while 1: - d = cg.read(4096) - if not d: break - self.pipeo.write(d) - self.readerr() - - self.pipeo.flush() - - self.readerr() - l = int(self.pipei.readline()) - return self.pipei.read(l) != "" - -class httpsrepository(httprepository): - pass - -def repository(ui, path=None, create=0): - if path: - if path.startswith("http://"): - return httprepository(ui, path) - if path.startswith("https://"): - return httpsrepository(ui, path) - if path.startswith("hg://"): - return httprepository(ui, path.replace("hg://", "http://")) - if path.startswith("old-http://"): - return localrepository(ui, path.replace("old-http://", "http://")) - if path.startswith("ssh://"): - return sshrepository(ui, path) - - return localrepository(ui, path, create) diff --git a/mercurial/hg.py b/mercurial/manifest.py copy from mercurial/hg.py copy to mercurial/manifest.py --- a/mercurial/hg.py +++ b/mercurial/manifest.py @@ -1,104 +1,14 @@ -# hg.py - repository classes for mercurial +# manifest.py - manifest revision class for mercurial # # Copyright 2005 Matt Mackall # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. -import sys, struct, os -import util +import sys, struct from revlog import * from demandload import * -demandload(globals(), "re lock urllib urllib2 transaction time socket") -demandload(globals(), "tempfile httprangereader bdiff urlparse") -demandload(globals(), "bisect errno select stat") - -class filelog(revlog): - def __init__(self, opener, path): - revlog.__init__(self, opener, - os.path.join("data", self.encodedir(path + ".i")), - os.path.join("data", self.encodedir(path + ".d"))) - - # This avoids a collision between a file named foo and a dir named - # foo.i or foo.d - def encodedir(self, path): - return (path - .replace(".hg/", ".hg.hg/") - .replace(".i/", ".i.hg/") - .replace(".d/", ".d.hg/")) - - def decodedir(self, path): - return (path - .replace(".d.hg/", ".d/") - .replace(".i.hg/", ".i/") - .replace(".hg.hg/", ".hg/")) - - def read(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - return t[s+2:] - - def readmeta(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - mt = t[2:s] - for l in mt.splitlines(): - k, v = l.split(": ", 1) - m[k] = v - return m - - def add(self, text, meta, transaction, link, p1=None, p2=None): - if meta or text.startswith('\1\n'): - mt = "" - if meta: - mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] - text = "\1\n" + "".join(mt) + "\1\n" + text - return self.addrevision(text, transaction, link, p1, p2) - - def annotate(self, node): - - def decorate(text, rev): - return ([rev] * len(text.splitlines()), text) - - def pair(parent, child): - for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): - child[0][b1:b2] = parent[0][a1:a2] - return child - - # find all ancestors - needed = {node:1} - visit = [node] - while visit: - n = visit.pop(0) - for p in self.parents(n): - if p not in needed: - needed[p] = 1 - visit.append(p) - else: - # count how many times we'll use this - needed[p] += 1 - - # sort by revision which is a topological order - visit = [ (self.rev(n), n) for n in needed.keys() ] - visit.sort() - hist = {} - - for r,n in visit: - curr = decorate(self.read(n), self.linkrev(n)) - for p in self.parents(n): - if p != nullid: - curr = pair(hist[p], curr) - # trim the history of unneeded revs - needed[p] -= 1 - if not needed[p]: - del hist[p] - hist[n] = curr - - return zip(hist[n][0], hist[n][1].splitlines(1)) +demandload(globals(), "bisect") class manifest(revlog): def __init__(self, opener): @@ -258,2039 +168,3 @@ class manifest(revlog): self.addlist = None return n - -class changelog(revlog): - def __init__(self, opener): - revlog.__init__(self, opener, "00changelog.i", "00changelog.d") - - def extract(self, text): - if not text: - return (nullid, "", "0", [], "") - last = text.index("\n\n") - desc = text[last + 2:] - l = text[:last].splitlines() - manifest = bin(l[0]) - user = l[1] - date = l[2] - if " " not in date: - date += " 0" # some tools used -d without a timezone - files = l[3:] - return (manifest, user, date, files, desc) - - def read(self, node): - return self.extract(self.revision(node)) - - def add(self, manifest, list, desc, transaction, p1=None, p2=None, - user=None, date=None): - if not date: - if time.daylight: offset = time.altzone - else: offset = time.timezone - date = "%d %d" % (time.time(), offset) - list.sort() - l = [hex(manifest), user, date] + list + ["", desc] - text = "\n".join(l) - return self.addrevision(text, transaction, self.count(), p1, p2) - -class dirstate: - def __init__(self, opener, ui, root): - self.opener = opener - self.root = root - self.dirty = 0 - self.ui = ui - self.map = None - self.pl = None - self.copies = {} - self.ignorefunc = None - - def wjoin(self, f): - return os.path.join(self.root, f) - - def getcwd(self): - cwd = os.getcwd() - if cwd == self.root: return '' - return cwd[len(self.root) + 1:] - - def ignore(self, f): - if not self.ignorefunc: - bigpat = [] - try: - l = file(self.wjoin(".hgignore")) - for pat in l: - p = pat.rstrip() - if p: - try: - re.compile(p) - except: - self.ui.warn("ignoring invalid ignore" - + " regular expression '%s'\n" % p) - else: - bigpat.append(p) - except IOError: pass - - if bigpat: - s = "(?:%s)" % (")|(?:".join(bigpat)) - r = re.compile(s) - self.ignorefunc = r.search - else: - self.ignorefunc = util.never - - return self.ignorefunc(f) - - def __del__(self): - if self.dirty: - self.write() - - def __getitem__(self, key): - try: - return self.map[key] - except TypeError: - self.read() - return self[key] - - def __contains__(self, key): - if not self.map: self.read() - return key in self.map - - def parents(self): - if not self.pl: - self.read() - return self.pl - - def markdirty(self): - if not self.dirty: - self.dirty = 1 - - def setparents(self, p1, p2=nullid): - self.markdirty() - self.pl = p1, p2 - - def state(self, key): - try: - return self[key][0] - except KeyError: - return "?" - - def read(self): - if self.map is not None: return self.map - - self.map = {} - self.pl = [nullid, nullid] - try: - st = self.opener("dirstate").read() - if not st: return - except: return - - self.pl = [st[:20], st[20: 40]] - - pos = 40 - while pos < len(st): - e = struct.unpack(">cllll", st[pos:pos+17]) - l = e[4] - pos += 17 - f = st[pos:pos + l] - if '\0' in f: - f, c = f.split('\0') - self.copies[f] = c - self.map[f] = e[:4] - pos += l - - def copy(self, source, dest): - self.read() - self.markdirty() - self.copies[dest] = source - - def copied(self, file): - return self.copies.get(file, None) - - def update(self, files, state, **kw): - ''' current states: - n normal - m needs merging - r marked for removal - a marked for addition''' - - if not files: return - self.read() - self.markdirty() - for f in files: - if state == "r": - self.map[f] = ('r', 0, 0, 0) - else: - s = os.stat(os.path.join(self.root, f)) - st_size = kw.get('st_size', s.st_size) - st_mtime = kw.get('st_mtime', s.st_mtime) - self.map[f] = (state, s.st_mode, st_size, st_mtime) - - def forget(self, files): - if not files: return - self.read() - self.markdirty() - for f in files: - try: - del self.map[f] - except KeyError: - self.ui.warn("not in dirstate: %s!\n" % f) - pass - - def clear(self): - self.map = {} - self.markdirty() - - def write(self): - st = self.opener("dirstate", "w") - st.write("".join(self.pl)) - for f, e in self.map.items(): - c = self.copied(f) - if c: - f = f + "\0" + c - e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) - st.write(e + f) - self.dirty = 0 - - def filterfiles(self, files): - ret = {} - unknown = [] - - for x in files: - if x is '.': - return self.map.copy() - if x not in self.map: - unknown.append(x) - else: - ret[x] = self.map[x] - - if not unknown: - return ret - - b = self.map.keys() - b.sort() - blen = len(b) - - for x in unknown: - bs = bisect.bisect(b, x) - if bs != 0 and b[bs-1] == x: - ret[x] = self.map[x] - continue - while bs < blen: - s = b[bs] - if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/': - ret[s] = self.map[s] - else: - break - bs += 1 - return ret - - def walk(self, files=None, match=util.always, dc=None): - self.read() - - # walk all files by default - if not files: - files = [self.root] - if not dc: - dc = self.map.copy() - elif not dc: - dc = self.filterfiles(files) - - known = {'.hg': 1} - def seen(fn): - if fn in known: return True - known[fn] = 1 - def traverse(): - for ff in util.unique(files): - f = os.path.join(self.root, ff) - try: - st = os.stat(f) - except OSError, inst: - if ff not in dc: self.ui.warn('%s: %s\n' % ( - util.pathto(self.getcwd(), ff), - inst.strerror)) - continue - if stat.S_ISDIR(st.st_mode): - for dir, subdirs, fl in os.walk(f): - d = dir[len(self.root) + 1:] - nd = util.normpath(d) - if nd == '.': nd = '' - if seen(nd): - subdirs[:] = [] - continue - for sd in subdirs: - ds = os.path.join(nd, sd +'/') - if self.ignore(ds) or not match(ds): - subdirs.remove(sd) - subdirs.sort() - fl.sort() - for fn in fl: - fn = util.pconvert(os.path.join(d, fn)) - yield 'f', fn - elif stat.S_ISREG(st.st_mode): - yield 'f', ff - else: - kind = 'unknown' - if stat.S_ISCHR(st.st_mode): kind = 'character device' - elif stat.S_ISBLK(st.st_mode): kind = 'block device' - elif stat.S_ISFIFO(st.st_mode): kind = 'fifo' - elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link' - elif stat.S_ISSOCK(st.st_mode): kind = 'socket' - self.ui.warn('%s: unsupported file type (type is %s)\n' % ( - util.pathto(self.getcwd(), ff), - kind)) - - ks = dc.keys() - ks.sort() - for k in ks: - yield 'm', k - - # yield only files that match: all in dirstate, others only if - # not in .hgignore - - for src, fn in util.unique(traverse()): - fn = util.normpath(fn) - if seen(fn): continue - if fn not in dc and self.ignore(fn): - continue - if match(fn): - yield src, fn - - def changes(self, files=None, match=util.always): - self.read() - if not files: - dc = self.map.copy() - else: - dc = self.filterfiles(files) - lookup, modified, added, unknown = [], [], [], [] - removed, deleted = [], [] - - for src, fn in self.walk(files, match, dc=dc): - try: - s = os.stat(os.path.join(self.root, fn)) - except OSError: - continue - if not stat.S_ISREG(s.st_mode): - continue - c = dc.get(fn) - if c: - del dc[fn] - if c[0] == 'm': - modified.append(fn) - elif c[0] == 'a': - added.append(fn) - elif c[0] == 'r': - unknown.append(fn) - elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100: - modified.append(fn) - elif c[3] != s.st_mtime: - lookup.append(fn) - else: - unknown.append(fn) - - for fn, c in [(fn, c) for fn, c in dc.items() if match(fn)]: - if c[0] == 'r': - removed.append(fn) - else: - deleted.append(fn) - return (lookup, modified, added, removed + deleted, unknown) - -# used to avoid circular references so destructors work -def opener(base): - p = base - def o(path, mode="r"): - if p.startswith("http://"): - f = os.path.join(p, urllib.quote(path)) - return httprangereader.httprangereader(f) - - f = os.path.join(p, path) - - mode += "b" # for that other OS - - if mode[0] != "r": - try: - s = os.stat(f) - except OSError: - d = os.path.dirname(f) - if not os.path.isdir(d): - os.makedirs(d) - else: - if s.st_nlink > 1: - file(f + ".tmp", "wb").write(file(f, "rb").read()) - util.rename(f+".tmp", f) - - return file(f, mode) - - return o - -class RepoError(Exception): pass - -class localrepository: - def __init__(self, ui, path=None, create=0): - self.remote = 0 - if path and path.startswith("http://"): - self.remote = 1 - self.path = path - else: - if not path: - p = os.getcwd() - while not os.path.isdir(os.path.join(p, ".hg")): - oldp = p - p = os.path.dirname(p) - if p == oldp: raise RepoError("no repo found") - path = p - self.path = os.path.join(path, ".hg") - - if not create and not os.path.isdir(self.path): - raise RepoError("repository %s not found" % self.path) - - self.root = os.path.abspath(path) - self.ui = ui - - if create: - os.mkdir(self.path) - os.mkdir(self.join("data")) - - self.opener = opener(self.path) - self.wopener = opener(self.root) - self.manifest = manifest(self.opener) - self.changelog = changelog(self.opener) - self.tagscache = None - self.nodetagscache = None - - if not self.remote: - self.dirstate = dirstate(self.opener, ui, self.root) - try: - self.ui.readconfig(self.opener("hgrc")) - except IOError: pass - - def hook(self, name, **args): - s = self.ui.config("hooks", name) - if s: - self.ui.note("running hook %s: %s\n" % (name, s)) - old = {} - for k, v in args.items(): - k = k.upper() - old[k] = os.environ.get(k, None) - os.environ[k] = v - - r = os.system(s) - - for k, v in old.items(): - if v != None: - os.environ[k] = v - else: - del os.environ[k] - - if r: - self.ui.warn("abort: %s hook failed with status %d!\n" % - (name, r)) - return False - return True - - def tags(self): - '''return a mapping of tag to node''' - if not self.tagscache: - self.tagscache = {} - def addtag(self, k, n): - try: - bin_n = bin(n) - except TypeError: - bin_n = '' - self.tagscache[k.strip()] = bin_n - - try: - # read each head of the tags file, ending with the tip - # and add each tag found to the map, with "newer" ones - # taking precedence - fl = self.file(".hgtags") - h = fl.heads() - h.reverse() - for r in h: - for l in fl.read(r).splitlines(): - if l: - n, k = l.split(" ", 1) - addtag(self, k, n) - except KeyError: - pass - - try: - f = self.opener("localtags") - for l in f: - n, k = l.split(" ", 1) - addtag(self, k, n) - except IOError: - pass - - self.tagscache['tip'] = self.changelog.tip() - - return self.tagscache - - def tagslist(self): - '''return a list of tags ordered by revision''' - l = [] - for t, n in self.tags().items(): - try: - r = self.changelog.rev(n) - except: - r = -2 # sort to the beginning of the list if unknown - l.append((r,t,n)) - l.sort() - return [(t,n) for r,t,n in l] - - def nodetags(self, node): - '''return the tags associated with a node''' - if not self.nodetagscache: - self.nodetagscache = {} - for t,n in self.tags().items(): - self.nodetagscache.setdefault(n,[]).append(t) - return self.nodetagscache.get(node, []) - - def lookup(self, key): - try: - return self.tags()[key] - except KeyError: - try: - return self.changelog.lookup(key) - except: - raise RepoError("unknown revision '%s'" % key) - - def dev(self): - if self.remote: return -1 - return os.stat(self.path).st_dev - - def local(self): - return not self.remote - - def join(self, f): - return os.path.join(self.path, f) - - def wjoin(self, f): - return os.path.join(self.root, f) - - def file(self, f): - if f[0] == '/': f = f[1:] - return filelog(self.opener, f) - - def getcwd(self): - return self.dirstate.getcwd() - - def wfile(self, f, mode='r'): - return self.wopener(f, mode) - - def wread(self, filename): - return self.wopener(filename, 'r').read() - - def wwrite(self, filename, data, fd=None): - if fd: - return fd.write(data) - return self.wopener(filename, 'w').write(data) - - def transaction(self): - # save dirstate for undo - try: - ds = self.opener("dirstate").read() - except IOError: - ds = "" - self.opener("journal.dirstate", "w").write(ds) - - def after(): - util.rename(self.join("journal"), self.join("undo")) - util.rename(self.join("journal.dirstate"), - self.join("undo.dirstate")) - - return transaction.transaction(self.ui.warn, self.opener, - self.join("journal"), after) - - def recover(self): - lock = self.lock() - if os.path.exists(self.join("journal")): - self.ui.status("rolling back interrupted transaction\n") - return transaction.rollback(self.opener, self.join("journal")) - else: - self.ui.warn("no interrupted transaction available\n") - - def undo(self): - lock = self.lock() - if os.path.exists(self.join("undo")): - self.ui.status("rolling back last transaction\n") - transaction.rollback(self.opener, self.join("undo")) - self.dirstate = None - util.rename(self.join("undo.dirstate"), self.join("dirstate")) - self.dirstate = dirstate(self.opener, self.ui, self.root) - else: - self.ui.warn("no undo information available\n") - - def lock(self, wait=1): - try: - return lock.lock(self.join("lock"), 0) - except lock.LockHeld, inst: - if wait: - self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) - return lock.lock(self.join("lock"), wait) - raise inst - - def rawcommit(self, files, text, user, date, p1=None, p2=None): - orig_parent = self.dirstate.parents()[0] or nullid - p1 = p1 or self.dirstate.parents()[0] or nullid - p2 = p2 or self.dirstate.parents()[1] or nullid - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - changed = [] - - if orig_parent == p1: - update_dirstate = 1 - else: - update_dirstate = 0 - - tr = self.transaction() - mm = m1.copy() - mfm = mf1.copy() - linkrev = self.changelog.count() - for f in files: - try: - t = self.wread(f) - tm = util.is_exec(self.wjoin(f), mfm.get(f, False)) - r = self.file(f) - mfm[f] = tm - - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - mm[f] = fp1 - continue - - mm[f] = r.add(t, {}, tr, linkrev, fp1, fp2) - changed.append(f) - if update_dirstate: - self.dirstate.update([f], "n") - except IOError: - try: - del mm[f] - del mfm[f] - if update_dirstate: - self.dirstate.forget([f]) - except: - # deleted from p2? - pass - - mnode = self.manifest.add(mm, mfm, tr, linkrev, c1[0], c2[0]) - user = user or self.ui.username() - n = self.changelog.add(mnode, changed, text, tr, p1, p2, user, date) - tr.close() - if update_dirstate: - self.dirstate.setparents(n, nullid) - - def commit(self, files = None, text = "", user = None, date = None, - match = util.always, force=False): - commit = [] - remove = [] - changed = [] - - if files: - for f in files: - s = self.dirstate.state(f) - if s in 'nmai': - commit.append(f) - elif s == 'r': - remove.append(f) - else: - self.ui.warn("%s not tracked!\n" % f) - else: - (c, a, d, u) = self.changes(match=match) - commit = c + a - remove = d - - p1, p2 = self.dirstate.parents() - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - - if not commit and not remove and not force and p2 == nullid: - self.ui.status("nothing changed\n") - return None - - if not self.hook("precommit"): - return None - - lock = self.lock() - tr = self.transaction() - - # check in files - new = {} - linkrev = self.changelog.count() - commit.sort() - for f in commit: - self.ui.note(f + "\n") - try: - mf1[f] = util.is_exec(self.wjoin(f), mf1.get(f, False)) - t = self.wread(f) - except IOError: - self.ui.warn("trouble committing %s!\n" % f) - raise - - meta = {} - cp = self.dirstate.copied(f) - if cp: - meta["copy"] = cp - meta["copyrev"] = hex(m1.get(cp, m2.get(cp, nullid))) - self.ui.debug(" %s: copy %s:%s\n" % (f, cp, meta["copyrev"])) - - r = self.file(f) - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if not meta and t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - new[f] = fp1 - continue - - new[f] = r.add(t, meta, tr, linkrev, fp1, fp2) - # remember what we've added so that we can later calculate - # the files to pull from a set of changesets - changed.append(f) - - # update manifest - m1.update(new) - for f in remove: - if f in m1: - del m1[f] - mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0], - (new, remove)) - - # add changeset - new = new.keys() - new.sort() - - if not text: - edittext = "" - if p2 != nullid: - edittext += "HG: branch merge\n" - edittext += "\n" + "HG: manifest hash %s\n" % hex(mn) - edittext += "".join(["HG: changed %s\n" % f for f in changed]) - edittext += "".join(["HG: removed %s\n" % f for f in remove]) - if not changed and not remove: - edittext += "HG: no files changed\n" - edittext = self.ui.edit(edittext) - if not edittext.rstrip(): - return None - text = edittext - - user = user or self.ui.username() - n = self.changelog.add(mn, changed, text, tr, p1, p2, user, date) - tr.close() - - self.dirstate.setparents(n) - self.dirstate.update(new, "n") - self.dirstate.forget(remove) - - if not self.hook("commit", node=hex(n)): - return None - return n - - def walk(self, node=None, files=[], match=util.always): - if node: - for fn in self.manifest.read(self.changelog.read(node)[0]): - if match(fn): yield 'm', fn - else: - for src, fn in self.dirstate.walk(files, match): - yield src, fn - - def changes(self, node1 = None, node2 = None, files = [], - match = util.always): - mf2, u = None, [] - - def fcmp(fn, mf): - t1 = self.wread(fn) - t2 = self.file(fn).read(mf.get(fn, nullid)) - return cmp(t1, t2) - - def mfmatches(node): - mf = dict(self.manifest.read(node)) - for fn in mf.keys(): - if not match(fn): - del mf[fn] - return mf - - # are we comparing the working directory? - if not node2: - l, c, a, d, u = self.dirstate.changes(files, match) - - # are we comparing working dir against its parent? - if not node1: - if l: - # do a full compare of any files that might have changed - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in l: - if fcmp(f, mf2): - c.append(f) - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - # are we comparing working dir against non-tip? - # generate a pseudo-manifest for the working dir - if not node2: - if not mf2: - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in a + c + l: - mf2[f] = "" - for f in d: - if f in mf2: del mf2[f] - else: - change = self.changelog.read(node2) - mf2 = mfmatches(change[0]) - - # flush lists from dirstate before comparing manifests - c, a = [], [] - - change = self.changelog.read(node1) - mf1 = mfmatches(change[0]) - - for fn in mf2: - if mf1.has_key(fn): - if mf1[fn] != mf2[fn]: - if mf2[fn] != "" or fcmp(fn, mf1): - c.append(fn) - del mf1[fn] - else: - a.append(fn) - - d = mf1.keys() - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - def add(self, list): - for f in list: - p = self.wjoin(f) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % f) - elif not os.path.isfile(p): - self.ui.warn("%s not added: only files supported currently\n" % f) - elif self.dirstate.state(f) in 'an': - self.ui.warn("%s already tracked!\n" % f) - else: - self.dirstate.update([f], "a") - - def forget(self, list): - for f in list: - if self.dirstate.state(f) not in 'ai': - self.ui.warn("%s not added!\n" % f) - else: - self.dirstate.forget([f]) - - def remove(self, list): - for f in list: - p = self.wjoin(f) - if os.path.exists(p): - self.ui.warn("%s still exists!\n" % f) - elif self.dirstate.state(f) == 'a': - self.ui.warn("%s never committed!\n" % f) - self.dirstate.forget([f]) - elif f not in self.dirstate: - self.ui.warn("%s not tracked!\n" % f) - else: - self.dirstate.update([f], "r") - - def copy(self, source, dest): - p = self.wjoin(dest) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % dest) - elif not os.path.isfile(p): - self.ui.warn("copy failed: %s is not a file\n" % dest) - else: - if self.dirstate.state(dest) == '?': - self.dirstate.update([dest], "a") - self.dirstate.copy(source, dest) - - def heads(self): - return self.changelog.heads() - - # branchlookup returns a dict giving a list of branches for - # each head. A branch is defined as the tag of a node or - # the branch of the node's parents. If a node has multiple - # branch tags, tags are eliminated if they are visible from other - # branch tags. - # - # So, for this graph: a->b->c->d->e - # \ / - # aa -----/ - # a has tag 2.6.12 - # d has tag 2.6.13 - # e would have branch tags for 2.6.12 and 2.6.13. Because the node - # for 2.6.12 can be reached from the node 2.6.13, that is eliminated - # from the list. - # - # It is possible that more than one head will have the same branch tag. - # callers need to check the result for multiple heads under the same - # branch tag if that is a problem for them (ie checkout of a specific - # branch). - # - # passing in a specific branch will limit the depth of the search - # through the parents. It won't limit the branches returned in the - # result though. - def branchlookup(self, heads=None, branch=None): - if not heads: - heads = self.heads() - headt = [ h for h in heads ] - chlog = self.changelog - branches = {} - merges = [] - seenmerge = {} - - # traverse the tree once for each head, recording in the branches - # dict which tags are visible from this head. The branches - # dict also records which tags are visible from each tag - # while we traverse. - while headt or merges: - if merges: - n, found = merges.pop() - visit = [n] - else: - h = headt.pop() - visit = [h] - found = [h] - seen = {} - while visit: - n = visit.pop() - if n in seen: - continue - pp = chlog.parents(n) - tags = self.nodetags(n) - if tags: - for x in tags: - if x == 'tip': - continue - for f in found: - branches.setdefault(f, {})[n] = 1 - branches.setdefault(n, {})[n] = 1 - break - if n not in found: - found.append(n) - if branch in tags: - continue - seen[n] = 1 - if pp[1] != nullid and n not in seenmerge: - merges.append((pp[1], [x for x in found])) - seenmerge[n] = 1 - if pp[0] != nullid: - visit.append(pp[0]) - # traverse the branches dict, eliminating branch tags from each - # head that are visible from another branch tag for that head. - out = {} - viscache = {} - for h in heads: - def visible(node): - if node in viscache: - return viscache[node] - ret = {} - visit = [node] - while visit: - x = visit.pop() - if x in viscache: - ret.update(viscache[x]) - elif x not in ret: - ret[x] = 1 - if x in branches: - visit[len(visit):] = branches[x].keys() - viscache[node] = ret - return ret - if h not in branches: - continue - # O(n^2), but somewhat limited. This only searches the - # tags visible from a specific head, not all the tags in the - # whole repo. - for b in branches[h]: - vis = False - for bb in branches[h].keys(): - if b != bb: - if b in visible(bb): - vis = True - break - if not vis: - l = out.setdefault(h, []) - l[len(l):] = self.nodetags(b) - return out - - def branches(self, nodes): - if not nodes: nodes = [self.changelog.tip()] - b = [] - for n in nodes: - t = n - while n: - p = self.changelog.parents(n) - if p[1] != nullid or p[0] == nullid: - b.append((t, n, p[0], p[1])) - break - n = p[0] - return b - - def between(self, pairs): - r = [] - - for top, bottom in pairs: - n, l, i = top, [], 0 - f = 1 - - while n != bottom: - p = self.changelog.parents(n)[0] - if i == f: - l.append(n) - f = f * 2 - n = p - i += 1 - - r.append(l) - - return r - - def newer(self, nodes): - m = {} - nl = [] - pm = {} - cl = self.changelog - t = l = cl.count() - - # find the lowest numbered node - for n in nodes: - l = min(l, cl.rev(n)) - m[n] = 1 - - for i in xrange(l, t): - n = cl.node(i) - if n in m: # explicitly listed - pm[n] = 1 - nl.append(n) - continue - for p in cl.parents(n): - if p in pm: # parent listed - pm[n] = 1 - nl.append(n) - break - - return nl - - def findincoming(self, remote, base=None, heads=None): - m = self.changelog.nodemap - search = [] - fetch = {} - seen = {} - seenbranch = {} - if base == None: - base = {} - - # assume we're closer to the tip than the root - # and start by examining the heads - self.ui.status("searching for changes\n") - - if not heads: - heads = remote.heads() - - unknown = [] - for h in heads: - if h not in m: - unknown.append(h) - else: - base[h] = 1 - - if not unknown: - return None - - rep = {} - reqcnt = 0 - - # search through remote branches - # a 'branch' here is a linear segment of history, with four parts: - # head, root, first parent, second parent - # (a branch always has two parents (or none) by definition) - unknown = remote.branches(unknown) - while unknown: - r = [] - while unknown: - n = unknown.pop(0) - if n[0] in seen: - continue - - self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) - if n[0] == nullid: - break - if n in seenbranch: - self.ui.debug("branch already found\n") - continue - if n[1] and n[1] in m: # do we know the base? - self.ui.debug("found incomplete branch %s:%s\n" - % (short(n[0]), short(n[1]))) - search.append(n) # schedule branch range for scanning - seenbranch[n] = 1 - else: - if n[1] not in seen and n[1] not in fetch: - if n[2] in m and n[3] in m: - self.ui.debug("found new changeset %s\n" % - short(n[1])) - fetch[n[1]] = 1 # earliest unknown - base[n[2]] = 1 # latest known - continue - - for a in n[2:4]: - if a not in rep: - r.append(a) - rep[a] = 1 - - seen[n[0]] = 1 - - if r: - reqcnt += 1 - self.ui.debug("request %d: %s\n" % - (reqcnt, " ".join(map(short, r)))) - for p in range(0, len(r), 10): - for b in remote.branches(r[p:p+10]): - self.ui.debug("received %s:%s\n" % - (short(b[0]), short(b[1]))) - if b[0] in m: - self.ui.debug("found base node %s\n" % short(b[0])) - base[b[0]] = 1 - elif b[0] not in seen: - unknown.append(b) - - # do binary search on the branches we found - while search: - n = search.pop(0) - reqcnt += 1 - l = remote.between([(n[0], n[1])])[0] - l.append(n[1]) - p = n[0] - f = 1 - for i in l: - self.ui.debug("narrowing %d:%d %s\n" % (f, len(l), short(i))) - if i in m: - if f <= 2: - self.ui.debug("found new branch changeset %s\n" % - short(p)) - fetch[p] = 1 - base[i] = 1 - else: - self.ui.debug("narrowed branch search to %s:%s\n" - % (short(p), short(i))) - search.append((p, i)) - break - p, f = i, f * 2 - - # sanity check our fetch list - for f in fetch.keys(): - if f in m: - raise RepoError("already have changeset " + short(f[:4])) - - if base.keys() == [nullid]: - self.ui.warn("warning: pulling from an unrelated repository!\n") - - self.ui.note("found new changesets starting at " + - " ".join([short(f) for f in fetch]) + "\n") - - self.ui.debug("%d total queries\n" % reqcnt) - - return fetch.keys() - - def findoutgoing(self, remote, base=None, heads=None): - if base == None: - base = {} - self.findincoming(remote, base, heads) - - self.ui.debug("common changesets up to " - + " ".join(map(short, base.keys())) + "\n") - - remain = dict.fromkeys(self.changelog.nodemap) - - # prune everything remote has from the tree - del remain[nullid] - remove = base.keys() - while remove: - n = remove.pop(0) - if n in remain: - del remain[n] - for p in self.changelog.parents(n): - remove.append(p) - - # find every node whose parents have been pruned - subset = [] - for n in remain: - p1, p2 = self.changelog.parents(n) - if p1 not in remain and p2 not in remain: - subset.append(n) - - # this is the set of all roots we have to push - return subset - - def pull(self, remote): - lock = self.lock() - - # if we have an empty repo, fetch everything - if self.changelog.tip() == nullid: - self.ui.status("requesting all changes\n") - fetch = [nullid] - else: - fetch = self.findincoming(remote) - - if not fetch: - self.ui.status("no changes found\n") - return 1 - - cg = remote.changegroup(fetch) - return self.addchangegroup(cg) - - def push(self, remote, force=False): - lock = remote.lock() - - base = {} - heads = remote.heads() - inc = self.findincoming(remote, base, heads) - if not force and inc: - self.ui.warn("abort: unsynced remote changes!\n") - self.ui.status("(did you forget to sync? use push -f to force)\n") - return 1 - - update = self.findoutgoing(remote, base) - if not update: - self.ui.status("no changes found\n") - return 1 - elif not force: - if len(heads) < len(self.changelog.heads()): - self.ui.warn("abort: push creates new remote branches!\n") - self.ui.status("(did you forget to merge?" + - " use push -f to force)\n") - return 1 - - cg = self.changegroup(update) - return remote.addchangegroup(cg) - - def changegroup(self, basenodes): - class genread: - def __init__(self, generator): - self.g = generator - self.buf = "" - def fillbuf(self): - self.buf += "".join(self.g) - - def read(self, l): - while l > len(self.buf): - try: - self.buf += self.g.next() - except StopIteration: - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - def gengroup(): - nodes = self.newer(basenodes) - - # construct the link map - linkmap = {} - for n in nodes: - linkmap[self.changelog.rev(n)] = n - - # construct a list of all changed files - changed = {} - for n in nodes: - c = self.changelog.read(n) - for f in c[3]: - changed[f] = 1 - changed = changed.keys() - changed.sort() - - # the changegroup is changesets + manifests + all file revs - revs = [ self.changelog.rev(n) for n in nodes ] - - for y in self.changelog.group(linkmap): yield y - for y in self.manifest.group(linkmap): yield y - for f in changed: - yield struct.pack(">l", len(f) + 4) + f - g = self.file(f).group(linkmap) - for y in g: - yield y - - yield struct.pack(">l", 0) - - return genread(gengroup()) - - def addchangegroup(self, source): - - def getchunk(): - d = source.read(4) - if not d: return "" - l = struct.unpack(">l", d)[0] - if l <= 4: return "" - return source.read(l - 4) - - def getgroup(): - while 1: - c = getchunk() - if not c: break - yield c - - def csmap(x): - self.ui.debug("add changeset %s\n" % short(x)) - return self.changelog.count() - - def revmap(x): - return self.changelog.rev(x) - - if not source: return - changesets = files = revisions = 0 - - tr = self.transaction() - - oldheads = len(self.changelog.heads()) - - # pull off the changeset group - self.ui.status("adding changesets\n") - co = self.changelog.tip() - cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique - changesets = self.changelog.rev(cn) - self.changelog.rev(co) - - # pull off the manifest group - self.ui.status("adding manifests\n") - mm = self.manifest.tip() - mo = self.manifest.addgroup(getgroup(), revmap, tr) - - # process the files - self.ui.status("adding file changes\n") - while 1: - f = getchunk() - if not f: break - self.ui.debug("adding %s revisions\n" % f) - fl = self.file(f) - o = fl.count() - n = fl.addgroup(getgroup(), revmap, tr) - revisions += fl.count() - o - files += 1 - - newheads = len(self.changelog.heads()) - heads = "" - if oldheads and newheads > oldheads: - heads = " (+%d heads)" % (newheads - oldheads) - - self.ui.status(("added %d changesets" + - " with %d changes to %d files%s\n") - % (changesets, revisions, files, heads)) - - tr.close() - - if not self.hook("changegroup"): - return 1 - - return - - def update(self, node, allow=False, force=False, choose=None, - moddirstate=True): - pl = self.dirstate.parents() - if not force and pl[1] != nullid: - self.ui.warn("aborting: outstanding uncommitted merges\n") - return 1 - - p1, p2 = pl[0], node - pa = self.changelog.ancestor(p1, p2) - m1n = self.changelog.read(p1)[0] - m2n = self.changelog.read(p2)[0] - man = self.manifest.ancestor(m1n, m2n) - m1 = self.manifest.read(m1n) - mf1 = self.manifest.readflags(m1n) - m2 = self.manifest.read(m2n) - mf2 = self.manifest.readflags(m2n) - ma = self.manifest.read(man) - mfa = self.manifest.readflags(man) - - (c, a, d, u) = self.changes() - - # is this a jump, or a merge? i.e. is there a linear path - # from p1 to p2? - linear_path = (pa == p1 or pa == p2) - - # resolve the manifest to determine which files - # we care about merging - self.ui.note("resolving manifests\n") - self.ui.debug(" force %s allow %s moddirstate %s linear %s\n" % - (force, allow, moddirstate, linear_path)) - self.ui.debug(" ancestor %s local %s remote %s\n" % - (short(man), short(m1n), short(m2n))) - - merge = {} - get = {} - remove = [] - - # construct a working dir manifest - mw = m1.copy() - mfw = mf1.copy() - umap = dict.fromkeys(u) - - for f in a + c + u: - mw[f] = "" - mfw[f] = util.is_exec(self.wjoin(f), mfw.get(f, False)) - - for f in d: - if f in mw: del mw[f] - - # If we're jumping between revisions (as opposed to merging), - # and if neither the working directory nor the target rev has - # the file, then we need to remove it from the dirstate, to - # prevent the dirstate from listing the file when it is no - # longer in the manifest. - if moddirstate and linear_path and f not in m2: - self.dirstate.forget((f,)) - - # Compare manifests - for f, n in mw.iteritems(): - if choose and not choose(f): continue - if f in m2: - s = 0 - - # is the wfile new since m1, and match m2? - if f not in m1: - t1 = self.wread(f) - t2 = self.file(f).read(m2[f]) - if cmp(t1, t2) == 0: - n = m2[f] - del t1, t2 - - # are files different? - if n != m2[f]: - a = ma.get(f, nullid) - # are both different from the ancestor? - if n != a and m2[f] != a: - self.ui.debug(" %s versions differ, resolve\n" % f) - # merge executable bits - # "if we changed or they changed, change in merge" - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - merge[f] = (m1.get(f, nullid), m2[f], mode) - s = 1 - # are we clobbering? - # is remote's version newer? - # or are we going back in time? - elif force or m2[f] != a or (p2 == pa and mw[f] == m1[f]): - self.ui.debug(" remote %s is newer, get\n" % f) - get[f] = m2[f] - s = 1 - elif f in umap: - # this unknown file is the same as the checkout - get[f] = m2[f] - - if not s and mfw[f] != mf2[f]: - if force: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mf2[f]) - else: - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - if mode != b: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mode) - del m2[f] - elif f in ma: - if n != ma[f]: - r = "d" - if not force and (linear_path or allow): - r = self.ui.prompt( - (" local changed %s which remote deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "d": - remove.append(f) - else: - self.ui.debug("other deleted %s\n" % f) - remove.append(f) # other deleted it - else: - if n == m1.get(f, nullid): # same as parent - if p2 == pa: # going backwards? - self.ui.debug("remote deleted %s\n" % f) - remove.append(f) - else: - self.ui.debug("local created %s, keeping\n" % f) - else: - self.ui.debug("working dir created %s, keeping\n" % f) - - for f, n in m2.iteritems(): - if choose and not choose(f): continue - if f[0] == "/": continue - if f in ma and n != ma[f]: - r = "k" - if not force and (linear_path or allow): - r = self.ui.prompt( - ("remote changed %s which local deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "k": get[f] = n - elif f not in ma: - self.ui.debug("remote created %s\n" % f) - get[f] = n - else: - if force or p2 == pa: # going backwards? - self.ui.debug("local deleted %s, recreating\n" % f) - get[f] = n - else: - self.ui.debug("local deleted %s\n" % f) - - del mw, m1, m2, ma - - if force: - for f in merge: - get[f] = merge[f][1] - merge = {} - - if linear_path or force: - # we don't need to do any magic, just jump to the new rev - branch_merge = False - p1, p2 = p2, nullid - else: - if not allow: - self.ui.status("this update spans a branch" + - " affecting the following files:\n") - fl = merge.keys() + get.keys() - fl.sort() - for f in fl: - cf = "" - if f in merge: cf = " (resolve)" - self.ui.status(" %s%s\n" % (f, cf)) - self.ui.warn("aborting update spanning branches!\n") - self.ui.status("(use update -m to merge across branches" + - " or -C to lose changes)\n") - return 1 - branch_merge = True - - if moddirstate: - self.dirstate.setparents(p1, p2) - - # get the files we don't need to change - files = get.keys() - files.sort() - for f in files: - if f[0] == "/": continue - self.ui.note("getting %s\n" % f) - t = self.file(f).read(get[f]) - try: - self.wwrite(f, t) - except IOError: - os.makedirs(os.path.dirname(self.wjoin(f))) - self.wwrite(f, t) - util.set_exec(self.wjoin(f), mf2[f]) - if moddirstate: - if branch_merge: - self.dirstate.update([f], 'n', st_mtime=-1) - else: - self.dirstate.update([f], 'n') - - # merge the tricky bits - files = merge.keys() - files.sort() - for f in files: - self.ui.status("merging %s\n" % f) - my, other, flag = merge[f] - self.merge3(f, my, other) - util.set_exec(self.wjoin(f), flag) - if moddirstate: - if branch_merge: - # We've done a branch merge, mark this file as merged - # so that we properly record the merger later - self.dirstate.update([f], 'm') - else: - # We've update-merged a locally modified file, so - # we set the dirstate to emulate a normal checkout - # of that file some time in the past. Thus our - # merge will appear as a normal local file - # modification. - f_len = len(self.file(f).read(other)) - self.dirstate.update([f], 'n', st_size=f_len, st_mtime=-1) - - remove.sort() - for f in remove: - self.ui.note("removing %s\n" % f) - try: - os.unlink(self.wjoin(f)) - except OSError, inst: - self.ui.warn("update failed to remove %s: %s!\n" % (f, inst)) - # try removing directories that might now be empty - try: os.removedirs(os.path.dirname(self.wjoin(f))) - except: pass - if moddirstate: - if branch_merge: - self.dirstate.update(remove, 'r') - else: - self.dirstate.forget(remove) - - def merge3(self, fn, my, other): - """perform a 3-way merge in the working directory""" - - def temp(prefix, node): - pre = "%s~%s." % (os.path.basename(fn), prefix) - (fd, name) = tempfile.mkstemp("", pre) - f = os.fdopen(fd, "wb") - self.wwrite(fn, fl.read(node), f) - f.close() - return name - - fl = self.file(fn) - base = fl.ancestor(my, other) - a = self.wjoin(fn) - b = temp("base", base) - c = temp("other", other) - - self.ui.note("resolving %s\n" % fn) - self.ui.debug("file %s: other %s ancestor %s\n" % - (fn, short(other), short(base))) - - cmd = (os.environ.get("HGMERGE") or self.ui.config("ui", "merge") - or "hgmerge") - r = os.system("%s %s %s %s" % (cmd, a, b, c)) - if r: - self.ui.warn("merging %s failed!\n" % fn) - - os.unlink(b) - os.unlink(c) - - def verify(self): - filelinkrevs = {} - filenodes = {} - changesets = revisions = files = 0 - errors = 0 - - seen = {} - self.ui.status("checking changesets\n") - for i in range(self.changelog.count()): - changesets += 1 - n = self.changelog.node(i) - if n in seen: - self.ui.warn("duplicate changeset at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.changelog.parents(n): - if p not in self.changelog.nodemap: - self.ui.warn("changeset %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - try: - changes = self.changelog.read(n) - except Exception, inst: - self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) - errors += 1 - - for f in changes[3]: - filelinkrevs.setdefault(f, []).append(i) - - seen = {} - self.ui.status("checking manifests\n") - for i in range(self.manifest.count()): - n = self.manifest.node(i) - if n in seen: - self.ui.warn("duplicate manifest at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.manifest.parents(n): - if p not in self.manifest.nodemap: - self.ui.warn("manifest %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - - try: - delta = mdiff.patchtext(self.manifest.delta(n)) - except KeyboardInterrupt: - self.ui.warn("aborted") - sys.exit(0) - except Exception, inst: - self.ui.warn("unpacking manifest %s: %s\n" - % (short(n), inst)) - errors += 1 - - ff = [ l.split('\0') for l in delta.splitlines() ] - for f, fn in ff: - filenodes.setdefault(f, {})[bin(fn[:40])] = 1 - - self.ui.status("crosschecking files in changesets and manifests\n") - for f in filenodes: - if f not in filelinkrevs: - self.ui.warn("file %s in manifest but not in changesets\n" % f) - errors += 1 - - for f in filelinkrevs: - if f not in filenodes: - self.ui.warn("file %s in changeset but not in manifest\n" % f) - errors += 1 - - self.ui.status("checking files\n") - ff = filenodes.keys() - ff.sort() - for f in ff: - if f == "/dev/null": continue - files += 1 - fl = self.file(f) - nodes = { nullid: 1 } - seen = {} - for i in range(fl.count()): - revisions += 1 - n = fl.node(i) - - if n in seen: - self.ui.warn("%s: duplicate revision %d\n" % (f, i)) - errors += 1 - - if n not in filenodes[f]: - self.ui.warn("%s: %d:%s not in manifests\n" - % (f, i, short(n))) - errors += 1 - else: - del filenodes[f][n] - - flr = fl.linkrev(n) - if flr not in filelinkrevs[f]: - self.ui.warn("%s:%s points to unexpected changeset %d\n" - % (f, short(n), fl.linkrev(n))) - errors += 1 - else: - filelinkrevs[f].remove(flr) - - # verify contents - try: - t = fl.read(n) - except Exception, inst: - self.ui.warn("unpacking file %s %s: %s\n" - % (f, short(n), inst)) - errors += 1 - - # verify parents - (p1, p2) = fl.parents(n) - if p1 not in nodes: - self.ui.warn("file %s:%s unknown parent 1 %s" % - (f, short(n), short(p1))) - errors += 1 - if p2 not in nodes: - self.ui.warn("file %s:%s unknown parent 2 %s" % - (f, short(n), short(p1))) - errors += 1 - nodes[n] = 1 - - # cross-check - for node in filenodes[f]: - self.ui.warn("node %s in manifests not in %s\n" - % (hex(node), f)) - errors += 1 - - self.ui.status("%d files, %d changesets, %d total revisions\n" % - (files, changesets, revisions)) - - if errors: - self.ui.warn("%d integrity errors encountered!\n" % errors) - return 1 - -class remoterepository: - def local(self): - return False - -class httprepository(remoterepository): - def __init__(self, ui, path): - # fix missing / after hostname - s = urlparse.urlsplit(path) - partial = s[2] - if not partial: partial = "/" - self.url = urlparse.urlunsplit((s[0], s[1], partial, '', '')) - self.ui = ui - no_list = [ "localhost", "127.0.0.1" ] - host = ui.config("http_proxy", "host") - if host is None: - host = os.environ.get("http_proxy") - if host and host.startswith('http://'): - host = host[7:] - user = ui.config("http_proxy", "user") - passwd = ui.config("http_proxy", "passwd") - no = ui.config("http_proxy", "no") - if no is None: - no = os.environ.get("no_proxy") - if no: - no_list = no_list + no.split(",") - - no_proxy = 0 - for h in no_list: - if (path.startswith("http://" + h + "/") or - path.startswith("http://" + h + ":") or - path == "http://" + h): - no_proxy = 1 - - # Note: urllib2 takes proxy values from the environment and those will - # take precedence - for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: - try: - if os.environ.has_key(env): - del os.environ[env] - except OSError: - pass - - proxy_handler = urllib2.BaseHandler() - if host and not no_proxy: - proxy_handler = urllib2.ProxyHandler({"http" : "http://" + host}) - - authinfo = None - if user and passwd: - passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm() - passmgr.add_password(None, host, user, passwd) - authinfo = urllib2.ProxyBasicAuthHandler(passmgr) - - opener = urllib2.build_opener(proxy_handler, authinfo) - urllib2.install_opener(opener) - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - q = {"cmd": cmd} - q.update(args) - qs = urllib.urlencode(q) - cu = "%s?%s" % (self.url, qs) - resp = urllib2.urlopen(cu) - proto = resp.headers['content-type'] - - # accept old "text/plain" and "application/hg-changegroup" for now - if not proto.startswith('application/mercurial') and \ - not proto.startswith('text/plain') and \ - not proto.startswith('application/hg-changegroup'): - raise RepoError("'%s' does not appear to be an hg repository" - % self.url) - - if proto.startswith('application/mercurial'): - version = proto[22:] - if float(version) > 0.1: - raise RepoError("'%s' uses newer protocol %s" % - (self.url, version)) - - return resp - - def heads(self): - d = self.do_cmd("heads").read() - try: - return map(bin, d[:-1].split(" ")) - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.do_cmd("branches", nodes=n).read() - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.do_cmd("between", pairs=n).read() - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - bytes = 0 - - class zread: - def __init__(self, f): - self.zd = zlib.decompressobj() - self.f = f - self.buf = "" - def read(self, l): - while l > len(self.buf): - r = self.f.read(4096) - if r: - self.buf += self.zd.decompress(r) - else: - self.buf += self.zd.flush() - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - return zread(f) - -class remotelock: - def __init__(self, repo): - self.repo = repo - def release(self): - self.repo.unlock() - self.repo = None - def __del__(self): - if self.repo: - self.release() - -class sshrepository(remoterepository): - def __init__(self, ui, path): - self.url = path - self.ui = ui - - m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?', path) - if not m: - raise RepoError("couldn't parse destination %s" % path) - - self.user = m.group(2) - self.host = m.group(3) - self.port = m.group(5) - self.path = m.group(7) or "." - - args = self.user and ("%s@%s" % (self.user, self.host)) or self.host - args = self.port and ("%s -p %s") % (args, self.port) or args - - sshcmd = self.ui.config("ui", "ssh", "ssh") - remotecmd = self.ui.config("ui", "remotecmd", "hg") - cmd = "%s %s '%s -R %s serve --stdio'" - cmd = cmd % (sshcmd, args, remotecmd, self.path) - - self.pipeo, self.pipei, self.pipee = os.popen3(cmd) - - def readerr(self): - while 1: - r,w,x = select.select([self.pipee], [], [], 0) - if not r: break - l = self.pipee.readline() - if not l: break - self.ui.status("remote: ", l) - - def __del__(self): - try: - self.pipeo.close() - self.pipei.close() - for l in self.pipee: - self.ui.status("remote: ", l) - self.pipee.close() - except: - pass - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - self.pipeo.write("%s\n" % cmd) - for k, v in args.items(): - self.pipeo.write("%s %d\n" % (k, len(v))) - self.pipeo.write(v) - self.pipeo.flush() - - return self.pipei - - def call(self, cmd, **args): - r = self.do_cmd(cmd, **args) - l = r.readline() - self.readerr() - try: - l = int(l) - except: - raise RepoError("unexpected response '%s'" % l) - return r.read(l) - - def lock(self): - self.call("lock") - return remotelock(self) - - def unlock(self): - self.call("unlock") - - def heads(self): - d = self.call("heads") - try: - return map(bin, d[:-1].split(" ")) - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.call("branches", nodes=n) - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.call("between", pairs=n) - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - return self.pipei - - def addchangegroup(self, cg): - d = self.call("addchangegroup") - if d: - raise RepoError("push refused: %s", d) - - while 1: - d = cg.read(4096) - if not d: break - self.pipeo.write(d) - self.readerr() - - self.pipeo.flush() - - self.readerr() - l = int(self.pipei.readline()) - return self.pipei.read(l) != "" - -class httpsrepository(httprepository): - pass - -def repository(ui, path=None, create=0): - if path: - if path.startswith("http://"): - return httprepository(ui, path) - if path.startswith("https://"): - return httpsrepository(ui, path) - if path.startswith("hg://"): - return httprepository(ui, path.replace("hg://", "http://")) - if path.startswith("old-http://"): - return localrepository(ui, path.replace("old-http://", "http://")) - if path.startswith("ssh://"): - return sshrepository(ui, path) - - return localrepository(ui, path, create) diff --git a/mercurial/node.py b/mercurial/node.py new file mode 100644 --- /dev/null +++ b/mercurial/node.py @@ -0,0 +1,36 @@ +""" +node.py - basic nodeid manipulation for mercurial + +Copyright 2005 Matt Mackall + +This software may be used and distributed according to the terms +of the GNU General Public License, incorporated herein by reference. +""" + +import sha, binascii + +nullid = "\0" * 20 + +def hex(node): + return binascii.hexlify(node) + +def bin(node): + return binascii.unhexlify(node) + +def short(node): + return hex(node[:6]) + +def hash(text, p1, p2): + """generate a hash from the given text and its parent hashes + + This hash combines both the current file contents and its history + in a manner that makes it easy to distinguish nodes with the same + content in the revision graph. + """ + l = [p1, p2] + l.sort() + s = sha.new(l[0]) + s.update(l[1]) + s.update(text) + return s.digest() + diff --git a/mercurial/hg.py b/mercurial/remoterepo.py copy from mercurial/hg.py copy to mercurial/remoterepo.py --- a/mercurial/hg.py +++ b/mercurial/remoterepo.py @@ -1,2153 +1,14 @@ -# hg.py - repository classes for mercurial +# remoterepo - remote repositort proxy classes for mercurial # # Copyright 2005 Matt Mackall # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. -import sys, struct, os -import util -from revlog import * -from demandload import * -demandload(globals(), "re lock urllib urllib2 transaction time socket") -demandload(globals(), "tempfile httprangereader bdiff urlparse") -demandload(globals(), "bisect errno select stat") - -class filelog(revlog): - def __init__(self, opener, path): - revlog.__init__(self, opener, - os.path.join("data", self.encodedir(path + ".i")), - os.path.join("data", self.encodedir(path + ".d"))) - - # This avoids a collision between a file named foo and a dir named - # foo.i or foo.d - def encodedir(self, path): - return (path - .replace(".hg/", ".hg.hg/") - .replace(".i/", ".i.hg/") - .replace(".d/", ".d.hg/")) - - def decodedir(self, path): - return (path - .replace(".d.hg/", ".d/") - .replace(".i.hg/", ".i/") - .replace(".hg.hg/", ".hg/")) - - def read(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - return t[s+2:] - - def readmeta(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - mt = t[2:s] - for l in mt.splitlines(): - k, v = l.split(": ", 1) - m[k] = v - return m - - def add(self, text, meta, transaction, link, p1=None, p2=None): - if meta or text.startswith('\1\n'): - mt = "" - if meta: - mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] - text = "\1\n" + "".join(mt) + "\1\n" + text - return self.addrevision(text, transaction, link, p1, p2) - - def annotate(self, node): - - def decorate(text, rev): - return ([rev] * len(text.splitlines()), text) - - def pair(parent, child): - for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): - child[0][b1:b2] = parent[0][a1:a2] - return child - - # find all ancestors - needed = {node:1} - visit = [node] - while visit: - n = visit.pop(0) - for p in self.parents(n): - if p not in needed: - needed[p] = 1 - visit.append(p) - else: - # count how many times we'll use this - needed[p] += 1 - - # sort by revision which is a topological order - visit = [ (self.rev(n), n) for n in needed.keys() ] - visit.sort() - hist = {} - - for r,n in visit: - curr = decorate(self.read(n), self.linkrev(n)) - for p in self.parents(n): - if p != nullid: - curr = pair(hist[p], curr) - # trim the history of unneeded revs - needed[p] -= 1 - if not needed[p]: - del hist[p] - hist[n] = curr - - return zip(hist[n][0], hist[n][1].splitlines(1)) - -class manifest(revlog): - def __init__(self, opener): - self.mapcache = None - self.listcache = None - self.addlist = None - revlog.__init__(self, opener, "00manifest.i", "00manifest.d") - - def read(self, node): - if node == nullid: return {} # don't upset local cache - if self.mapcache and self.mapcache[0] == node: - return self.mapcache[1] - text = self.revision(node) - map = {} - flag = {} - self.listcache = (text, text.splitlines(1)) - for l in self.listcache[1]: - (f, n) = l.split('\0') - map[f] = bin(n[:40]) - flag[f] = (n[40:-1] == "x") - self.mapcache = (node, map, flag) - return map - - def readflags(self, node): - if node == nullid: return {} # don't upset local cache - if not self.mapcache or self.mapcache[0] != node: - self.read(node) - return self.mapcache[2] - - def diff(self, a, b): - # this is sneaky, as we're not actually using a and b - if self.listcache and self.addlist and self.listcache[0] == a: - d = mdiff.diff(self.listcache[1], self.addlist, 1) - if mdiff.patch(a, d) != b: - sys.stderr.write("*** sortdiff failed, falling back ***\n") - return mdiff.textdiff(a, b) - return d - else: - return mdiff.textdiff(a, b) - - def add(self, map, flags, transaction, link, p1=None, p2=None, - changed=None): - # directly generate the mdiff delta from the data collected during - # the bisect loop below - def gendelta(delta): - i = 0 - result = [] - while i < len(delta): - start = delta[i][2] - end = delta[i][3] - l = delta[i][4] - if l == None: - l = "" - while i < len(delta) - 1 and start <= delta[i+1][2] \ - and end >= delta[i+1][2]: - if delta[i+1][3] > end: - end = delta[i+1][3] - if delta[i+1][4]: - l += delta[i+1][4] - i += 1 - result.append(struct.pack(">lll", start, end, len(l)) + l) - i += 1 - return result - - # apply the changes collected during the bisect loop to our addlist - def addlistdelta(addlist, delta): - # apply the deltas to the addlist. start from the bottom up - # so changes to the offsets don't mess things up. - i = len(delta) - while i > 0: - i -= 1 - start = delta[i][0] - end = delta[i][1] - if delta[i][4]: - addlist[start:end] = [delta[i][4]] - else: - del addlist[start:end] - return addlist - - # calculate the byte offset of the start of each line in the - # manifest - def calcoffsets(addlist): - offsets = [0] * (len(addlist) + 1) - offset = 0 - i = 0 - while i < len(addlist): - offsets[i] = offset - offset += len(addlist[i]) - i += 1 - offsets[i] = offset - return offsets - - # if we're using the listcache, make sure it is valid and - # parented by the same node we're diffing against - if not changed or not self.listcache or not p1 or \ - self.mapcache[0] != p1: - files = map.keys() - files.sort() - - self.addlist = ["%s\000%s%s\n" % - (f, hex(map[f]), flags[f] and "x" or '') - for f in files] - cachedelta = None - else: - addlist = self.listcache[1] - - # find the starting offset for each line in the add list - offsets = calcoffsets(addlist) - - # combine the changed lists into one list for sorting - work = [[x, 0] for x in changed[0]] - work[len(work):] = [[x, 1] for x in changed[1]] - work.sort() - - delta = [] - bs = 0 - - for w in work: - f = w[0] - # bs will either be the index of the item or the insert point - bs = bisect.bisect(addlist, f, bs) - if bs < len(addlist): - fn = addlist[bs][:addlist[bs].index('\0')] - else: - fn = None - if w[1] == 0: - l = "%s\000%s%s\n" % (f, hex(map[f]), - flags[f] and "x" or '') - else: - l = None - start = bs - if fn != f: - # item not found, insert a new one - end = bs - if w[1] == 1: - sys.stderr.write("failed to remove %s from manifest\n" - % f) - sys.exit(1) - else: - # item is found, replace/delete the existing line - end = bs + 1 - delta.append([start, end, offsets[start], offsets[end], l]) - - self.addlist = addlistdelta(addlist, delta) - if self.mapcache[0] == self.tip(): - cachedelta = "".join(gendelta(delta)) - else: - cachedelta = None - - text = "".join(self.addlist) - if cachedelta and mdiff.patch(self.listcache[0], cachedelta) != text: - sys.stderr.write("manifest delta failure\n") - sys.exit(1) - n = self.addrevision(text, transaction, link, p1, p2, cachedelta) - self.mapcache = (n, map, flags) - self.listcache = (text, self.addlist) - self.addlist = None - - return n - -class changelog(revlog): - def __init__(self, opener): - revlog.__init__(self, opener, "00changelog.i", "00changelog.d") - - def extract(self, text): - if not text: - return (nullid, "", "0", [], "") - last = text.index("\n\n") - desc = text[last + 2:] - l = text[:last].splitlines() - manifest = bin(l[0]) - user = l[1] - date = l[2] - if " " not in date: - date += " 0" # some tools used -d without a timezone - files = l[3:] - return (manifest, user, date, files, desc) - - def read(self, node): - return self.extract(self.revision(node)) - - def add(self, manifest, list, desc, transaction, p1=None, p2=None, - user=None, date=None): - if not date: - if time.daylight: offset = time.altzone - else: offset = time.timezone - date = "%d %d" % (time.time(), offset) - list.sort() - l = [hex(manifest), user, date] + list + ["", desc] - text = "\n".join(l) - return self.addrevision(text, transaction, self.count(), p1, p2) - -class dirstate: - def __init__(self, opener, ui, root): - self.opener = opener - self.root = root - self.dirty = 0 - self.ui = ui - self.map = None - self.pl = None - self.copies = {} - self.ignorefunc = None - - def wjoin(self, f): - return os.path.join(self.root, f) - - def getcwd(self): - cwd = os.getcwd() - if cwd == self.root: return '' - return cwd[len(self.root) + 1:] - - def ignore(self, f): - if not self.ignorefunc: - bigpat = [] - try: - l = file(self.wjoin(".hgignore")) - for pat in l: - p = pat.rstrip() - if p: - try: - re.compile(p) - except: - self.ui.warn("ignoring invalid ignore" - + " regular expression '%s'\n" % p) - else: - bigpat.append(p) - except IOError: pass - - if bigpat: - s = "(?:%s)" % (")|(?:".join(bigpat)) - r = re.compile(s) - self.ignorefunc = r.search - else: - self.ignorefunc = util.never - - return self.ignorefunc(f) - - def __del__(self): - if self.dirty: - self.write() - - def __getitem__(self, key): - try: - return self.map[key] - except TypeError: - self.read() - return self[key] - - def __contains__(self, key): - if not self.map: self.read() - return key in self.map - - def parents(self): - if not self.pl: - self.read() - return self.pl - - def markdirty(self): - if not self.dirty: - self.dirty = 1 - - def setparents(self, p1, p2=nullid): - self.markdirty() - self.pl = p1, p2 - - def state(self, key): - try: - return self[key][0] - except KeyError: - return "?" - - def read(self): - if self.map is not None: return self.map - - self.map = {} - self.pl = [nullid, nullid] - try: - st = self.opener("dirstate").read() - if not st: return - except: return - - self.pl = [st[:20], st[20: 40]] - - pos = 40 - while pos < len(st): - e = struct.unpack(">cllll", st[pos:pos+17]) - l = e[4] - pos += 17 - f = st[pos:pos + l] - if '\0' in f: - f, c = f.split('\0') - self.copies[f] = c - self.map[f] = e[:4] - pos += l - - def copy(self, source, dest): - self.read() - self.markdirty() - self.copies[dest] = source - - def copied(self, file): - return self.copies.get(file, None) - - def update(self, files, state, **kw): - ''' current states: - n normal - m needs merging - r marked for removal - a marked for addition''' - - if not files: return - self.read() - self.markdirty() - for f in files: - if state == "r": - self.map[f] = ('r', 0, 0, 0) - else: - s = os.stat(os.path.join(self.root, f)) - st_size = kw.get('st_size', s.st_size) - st_mtime = kw.get('st_mtime', s.st_mtime) - self.map[f] = (state, s.st_mode, st_size, st_mtime) - - def forget(self, files): - if not files: return - self.read() - self.markdirty() - for f in files: - try: - del self.map[f] - except KeyError: - self.ui.warn("not in dirstate: %s!\n" % f) - pass - - def clear(self): - self.map = {} - self.markdirty() - - def write(self): - st = self.opener("dirstate", "w") - st.write("".join(self.pl)) - for f, e in self.map.items(): - c = self.copied(f) - if c: - f = f + "\0" + c - e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) - st.write(e + f) - self.dirty = 0 - - def filterfiles(self, files): - ret = {} - unknown = [] - - for x in files: - if x is '.': - return self.map.copy() - if x not in self.map: - unknown.append(x) - else: - ret[x] = self.map[x] - - if not unknown: - return ret - - b = self.map.keys() - b.sort() - blen = len(b) - - for x in unknown: - bs = bisect.bisect(b, x) - if bs != 0 and b[bs-1] == x: - ret[x] = self.map[x] - continue - while bs < blen: - s = b[bs] - if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/': - ret[s] = self.map[s] - else: - break - bs += 1 - return ret - - def walk(self, files=None, match=util.always, dc=None): - self.read() - - # walk all files by default - if not files: - files = [self.root] - if not dc: - dc = self.map.copy() - elif not dc: - dc = self.filterfiles(files) - - known = {'.hg': 1} - def seen(fn): - if fn in known: return True - known[fn] = 1 - def traverse(): - for ff in util.unique(files): - f = os.path.join(self.root, ff) - try: - st = os.stat(f) - except OSError, inst: - if ff not in dc: self.ui.warn('%s: %s\n' % ( - util.pathto(self.getcwd(), ff), - inst.strerror)) - continue - if stat.S_ISDIR(st.st_mode): - for dir, subdirs, fl in os.walk(f): - d = dir[len(self.root) + 1:] - nd = util.normpath(d) - if nd == '.': nd = '' - if seen(nd): - subdirs[:] = [] - continue - for sd in subdirs: - ds = os.path.join(nd, sd +'/') - if self.ignore(ds) or not match(ds): - subdirs.remove(sd) - subdirs.sort() - fl.sort() - for fn in fl: - fn = util.pconvert(os.path.join(d, fn)) - yield 'f', fn - elif stat.S_ISREG(st.st_mode): - yield 'f', ff - else: - kind = 'unknown' - if stat.S_ISCHR(st.st_mode): kind = 'character device' - elif stat.S_ISBLK(st.st_mode): kind = 'block device' - elif stat.S_ISFIFO(st.st_mode): kind = 'fifo' - elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link' - elif stat.S_ISSOCK(st.st_mode): kind = 'socket' - self.ui.warn('%s: unsupported file type (type is %s)\n' % ( - util.pathto(self.getcwd(), ff), - kind)) - - ks = dc.keys() - ks.sort() - for k in ks: - yield 'm', k - - # yield only files that match: all in dirstate, others only if - # not in .hgignore - - for src, fn in util.unique(traverse()): - fn = util.normpath(fn) - if seen(fn): continue - if fn not in dc and self.ignore(fn): - continue - if match(fn): - yield src, fn - - def changes(self, files=None, match=util.always): - self.read() - if not files: - dc = self.map.copy() - else: - dc = self.filterfiles(files) - lookup, modified, added, unknown = [], [], [], [] - removed, deleted = [], [] - - for src, fn in self.walk(files, match, dc=dc): - try: - s = os.stat(os.path.join(self.root, fn)) - except OSError: - continue - if not stat.S_ISREG(s.st_mode): - continue - c = dc.get(fn) - if c: - del dc[fn] - if c[0] == 'm': - modified.append(fn) - elif c[0] == 'a': - added.append(fn) - elif c[0] == 'r': - unknown.append(fn) - elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100: - modified.append(fn) - elif c[3] != s.st_mtime: - lookup.append(fn) - else: - unknown.append(fn) - - for fn, c in [(fn, c) for fn, c in dc.items() if match(fn)]: - if c[0] == 'r': - removed.append(fn) - else: - deleted.append(fn) - return (lookup, modified, added, removed + deleted, unknown) - -# used to avoid circular references so destructors work -def opener(base): - p = base - def o(path, mode="r"): - if p.startswith("http://"): - f = os.path.join(p, urllib.quote(path)) - return httprangereader.httprangereader(f) - - f = os.path.join(p, path) - - mode += "b" # for that other OS - - if mode[0] != "r": - try: - s = os.stat(f) - except OSError: - d = os.path.dirname(f) - if not os.path.isdir(d): - os.makedirs(d) - else: - if s.st_nlink > 1: - file(f + ".tmp", "wb").write(file(f, "rb").read()) - util.rename(f+".tmp", f) - - return file(f, mode) - - return o - -class RepoError(Exception): pass - -class localrepository: - def __init__(self, ui, path=None, create=0): - self.remote = 0 - if path and path.startswith("http://"): - self.remote = 1 - self.path = path - else: - if not path: - p = os.getcwd() - while not os.path.isdir(os.path.join(p, ".hg")): - oldp = p - p = os.path.dirname(p) - if p == oldp: raise RepoError("no repo found") - path = p - self.path = os.path.join(path, ".hg") - - if not create and not os.path.isdir(self.path): - raise RepoError("repository %s not found" % self.path) - - self.root = os.path.abspath(path) - self.ui = ui - - if create: - os.mkdir(self.path) - os.mkdir(self.join("data")) - - self.opener = opener(self.path) - self.wopener = opener(self.root) - self.manifest = manifest(self.opener) - self.changelog = changelog(self.opener) - self.tagscache = None - self.nodetagscache = None - - if not self.remote: - self.dirstate = dirstate(self.opener, ui, self.root) - try: - self.ui.readconfig(self.opener("hgrc")) - except IOError: pass - - def hook(self, name, **args): - s = self.ui.config("hooks", name) - if s: - self.ui.note("running hook %s: %s\n" % (name, s)) - old = {} - for k, v in args.items(): - k = k.upper() - old[k] = os.environ.get(k, None) - os.environ[k] = v - - r = os.system(s) - - for k, v in old.items(): - if v != None: - os.environ[k] = v - else: - del os.environ[k] - - if r: - self.ui.warn("abort: %s hook failed with status %d!\n" % - (name, r)) - return False - return True - - def tags(self): - '''return a mapping of tag to node''' - if not self.tagscache: - self.tagscache = {} - def addtag(self, k, n): - try: - bin_n = bin(n) - except TypeError: - bin_n = '' - self.tagscache[k.strip()] = bin_n - - try: - # read each head of the tags file, ending with the tip - # and add each tag found to the map, with "newer" ones - # taking precedence - fl = self.file(".hgtags") - h = fl.heads() - h.reverse() - for r in h: - for l in fl.read(r).splitlines(): - if l: - n, k = l.split(" ", 1) - addtag(self, k, n) - except KeyError: - pass - - try: - f = self.opener("localtags") - for l in f: - n, k = l.split(" ", 1) - addtag(self, k, n) - except IOError: - pass - - self.tagscache['tip'] = self.changelog.tip() - - return self.tagscache - - def tagslist(self): - '''return a list of tags ordered by revision''' - l = [] - for t, n in self.tags().items(): - try: - r = self.changelog.rev(n) - except: - r = -2 # sort to the beginning of the list if unknown - l.append((r,t,n)) - l.sort() - return [(t,n) for r,t,n in l] - - def nodetags(self, node): - '''return the tags associated with a node''' - if not self.nodetagscache: - self.nodetagscache = {} - for t,n in self.tags().items(): - self.nodetagscache.setdefault(n,[]).append(t) - return self.nodetagscache.get(node, []) - - def lookup(self, key): - try: - return self.tags()[key] - except KeyError: - try: - return self.changelog.lookup(key) - except: - raise RepoError("unknown revision '%s'" % key) - - def dev(self): - if self.remote: return -1 - return os.stat(self.path).st_dev - - def local(self): - return not self.remote - - def join(self, f): - return os.path.join(self.path, f) - - def wjoin(self, f): - return os.path.join(self.root, f) - - def file(self, f): - if f[0] == '/': f = f[1:] - return filelog(self.opener, f) - - def getcwd(self): - return self.dirstate.getcwd() - - def wfile(self, f, mode='r'): - return self.wopener(f, mode) - - def wread(self, filename): - return self.wopener(filename, 'r').read() - - def wwrite(self, filename, data, fd=None): - if fd: - return fd.write(data) - return self.wopener(filename, 'w').write(data) - - def transaction(self): - # save dirstate for undo - try: - ds = self.opener("dirstate").read() - except IOError: - ds = "" - self.opener("journal.dirstate", "w").write(ds) - - def after(): - util.rename(self.join("journal"), self.join("undo")) - util.rename(self.join("journal.dirstate"), - self.join("undo.dirstate")) - - return transaction.transaction(self.ui.warn, self.opener, - self.join("journal"), after) - - def recover(self): - lock = self.lock() - if os.path.exists(self.join("journal")): - self.ui.status("rolling back interrupted transaction\n") - return transaction.rollback(self.opener, self.join("journal")) - else: - self.ui.warn("no interrupted transaction available\n") - - def undo(self): - lock = self.lock() - if os.path.exists(self.join("undo")): - self.ui.status("rolling back last transaction\n") - transaction.rollback(self.opener, self.join("undo")) - self.dirstate = None - util.rename(self.join("undo.dirstate"), self.join("dirstate")) - self.dirstate = dirstate(self.opener, self.ui, self.root) - else: - self.ui.warn("no undo information available\n") - - def lock(self, wait=1): - try: - return lock.lock(self.join("lock"), 0) - except lock.LockHeld, inst: - if wait: - self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) - return lock.lock(self.join("lock"), wait) - raise inst - - def rawcommit(self, files, text, user, date, p1=None, p2=None): - orig_parent = self.dirstate.parents()[0] or nullid - p1 = p1 or self.dirstate.parents()[0] or nullid - p2 = p2 or self.dirstate.parents()[1] or nullid - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - changed = [] - - if orig_parent == p1: - update_dirstate = 1 - else: - update_dirstate = 0 - - tr = self.transaction() - mm = m1.copy() - mfm = mf1.copy() - linkrev = self.changelog.count() - for f in files: - try: - t = self.wread(f) - tm = util.is_exec(self.wjoin(f), mfm.get(f, False)) - r = self.file(f) - mfm[f] = tm - - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - mm[f] = fp1 - continue - - mm[f] = r.add(t, {}, tr, linkrev, fp1, fp2) - changed.append(f) - if update_dirstate: - self.dirstate.update([f], "n") - except IOError: - try: - del mm[f] - del mfm[f] - if update_dirstate: - self.dirstate.forget([f]) - except: - # deleted from p2? - pass - - mnode = self.manifest.add(mm, mfm, tr, linkrev, c1[0], c2[0]) - user = user or self.ui.username() - n = self.changelog.add(mnode, changed, text, tr, p1, p2, user, date) - tr.close() - if update_dirstate: - self.dirstate.setparents(n, nullid) - - def commit(self, files = None, text = "", user = None, date = None, - match = util.always, force=False): - commit = [] - remove = [] - changed = [] - - if files: - for f in files: - s = self.dirstate.state(f) - if s in 'nmai': - commit.append(f) - elif s == 'r': - remove.append(f) - else: - self.ui.warn("%s not tracked!\n" % f) - else: - (c, a, d, u) = self.changes(match=match) - commit = c + a - remove = d - - p1, p2 = self.dirstate.parents() - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - - if not commit and not remove and not force and p2 == nullid: - self.ui.status("nothing changed\n") - return None - - if not self.hook("precommit"): - return None - - lock = self.lock() - tr = self.transaction() - - # check in files - new = {} - linkrev = self.changelog.count() - commit.sort() - for f in commit: - self.ui.note(f + "\n") - try: - mf1[f] = util.is_exec(self.wjoin(f), mf1.get(f, False)) - t = self.wread(f) - except IOError: - self.ui.warn("trouble committing %s!\n" % f) - raise - - meta = {} - cp = self.dirstate.copied(f) - if cp: - meta["copy"] = cp - meta["copyrev"] = hex(m1.get(cp, m2.get(cp, nullid))) - self.ui.debug(" %s: copy %s:%s\n" % (f, cp, meta["copyrev"])) - - r = self.file(f) - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if not meta and t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - new[f] = fp1 - continue - - new[f] = r.add(t, meta, tr, linkrev, fp1, fp2) - # remember what we've added so that we can later calculate - # the files to pull from a set of changesets - changed.append(f) - - # update manifest - m1.update(new) - for f in remove: - if f in m1: - del m1[f] - mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0], - (new, remove)) - - # add changeset - new = new.keys() - new.sort() - - if not text: - edittext = "" - if p2 != nullid: - edittext += "HG: branch merge\n" - edittext += "\n" + "HG: manifest hash %s\n" % hex(mn) - edittext += "".join(["HG: changed %s\n" % f for f in changed]) - edittext += "".join(["HG: removed %s\n" % f for f in remove]) - if not changed and not remove: - edittext += "HG: no files changed\n" - edittext = self.ui.edit(edittext) - if not edittext.rstrip(): - return None - text = edittext - - user = user or self.ui.username() - n = self.changelog.add(mn, changed, text, tr, p1, p2, user, date) - tr.close() - - self.dirstate.setparents(n) - self.dirstate.update(new, "n") - self.dirstate.forget(remove) - - if not self.hook("commit", node=hex(n)): - return None - return n - - def walk(self, node=None, files=[], match=util.always): - if node: - for fn in self.manifest.read(self.changelog.read(node)[0]): - if match(fn): yield 'm', fn - else: - for src, fn in self.dirstate.walk(files, match): - yield src, fn - - def changes(self, node1 = None, node2 = None, files = [], - match = util.always): - mf2, u = None, [] - - def fcmp(fn, mf): - t1 = self.wread(fn) - t2 = self.file(fn).read(mf.get(fn, nullid)) - return cmp(t1, t2) - - def mfmatches(node): - mf = dict(self.manifest.read(node)) - for fn in mf.keys(): - if not match(fn): - del mf[fn] - return mf - - # are we comparing the working directory? - if not node2: - l, c, a, d, u = self.dirstate.changes(files, match) - - # are we comparing working dir against its parent? - if not node1: - if l: - # do a full compare of any files that might have changed - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in l: - if fcmp(f, mf2): - c.append(f) - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - # are we comparing working dir against non-tip? - # generate a pseudo-manifest for the working dir - if not node2: - if not mf2: - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in a + c + l: - mf2[f] = "" - for f in d: - if f in mf2: del mf2[f] - else: - change = self.changelog.read(node2) - mf2 = mfmatches(change[0]) - - # flush lists from dirstate before comparing manifests - c, a = [], [] - - change = self.changelog.read(node1) - mf1 = mfmatches(change[0]) - - for fn in mf2: - if mf1.has_key(fn): - if mf1[fn] != mf2[fn]: - if mf2[fn] != "" or fcmp(fn, mf1): - c.append(fn) - del mf1[fn] - else: - a.append(fn) - - d = mf1.keys() - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - def add(self, list): - for f in list: - p = self.wjoin(f) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % f) - elif not os.path.isfile(p): - self.ui.warn("%s not added: only files supported currently\n" % f) - elif self.dirstate.state(f) in 'an': - self.ui.warn("%s already tracked!\n" % f) - else: - self.dirstate.update([f], "a") - - def forget(self, list): - for f in list: - if self.dirstate.state(f) not in 'ai': - self.ui.warn("%s not added!\n" % f) - else: - self.dirstate.forget([f]) - - def remove(self, list): - for f in list: - p = self.wjoin(f) - if os.path.exists(p): - self.ui.warn("%s still exists!\n" % f) - elif self.dirstate.state(f) == 'a': - self.ui.warn("%s never committed!\n" % f) - self.dirstate.forget([f]) - elif f not in self.dirstate: - self.ui.warn("%s not tracked!\n" % f) - else: - self.dirstate.update([f], "r") - - def copy(self, source, dest): - p = self.wjoin(dest) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % dest) - elif not os.path.isfile(p): - self.ui.warn("copy failed: %s is not a file\n" % dest) - else: - if self.dirstate.state(dest) == '?': - self.dirstate.update([dest], "a") - self.dirstate.copy(source, dest) - - def heads(self): - return self.changelog.heads() - - # branchlookup returns a dict giving a list of branches for - # each head. A branch is defined as the tag of a node or - # the branch of the node's parents. If a node has multiple - # branch tags, tags are eliminated if they are visible from other - # branch tags. - # - # So, for this graph: a->b->c->d->e - # \ / - # aa -----/ - # a has tag 2.6.12 - # d has tag 2.6.13 - # e would have branch tags for 2.6.12 and 2.6.13. Because the node - # for 2.6.12 can be reached from the node 2.6.13, that is eliminated - # from the list. - # - # It is possible that more than one head will have the same branch tag. - # callers need to check the result for multiple heads under the same - # branch tag if that is a problem for them (ie checkout of a specific - # branch). - # - # passing in a specific branch will limit the depth of the search - # through the parents. It won't limit the branches returned in the - # result though. - def branchlookup(self, heads=None, branch=None): - if not heads: - heads = self.heads() - headt = [ h for h in heads ] - chlog = self.changelog - branches = {} - merges = [] - seenmerge = {} - - # traverse the tree once for each head, recording in the branches - # dict which tags are visible from this head. The branches - # dict also records which tags are visible from each tag - # while we traverse. - while headt or merges: - if merges: - n, found = merges.pop() - visit = [n] - else: - h = headt.pop() - visit = [h] - found = [h] - seen = {} - while visit: - n = visit.pop() - if n in seen: - continue - pp = chlog.parents(n) - tags = self.nodetags(n) - if tags: - for x in tags: - if x == 'tip': - continue - for f in found: - branches.setdefault(f, {})[n] = 1 - branches.setdefault(n, {})[n] = 1 - break - if n not in found: - found.append(n) - if branch in tags: - continue - seen[n] = 1 - if pp[1] != nullid and n not in seenmerge: - merges.append((pp[1], [x for x in found])) - seenmerge[n] = 1 - if pp[0] != nullid: - visit.append(pp[0]) - # traverse the branches dict, eliminating branch tags from each - # head that are visible from another branch tag for that head. - out = {} - viscache = {} - for h in heads: - def visible(node): - if node in viscache: - return viscache[node] - ret = {} - visit = [node] - while visit: - x = visit.pop() - if x in viscache: - ret.update(viscache[x]) - elif x not in ret: - ret[x] = 1 - if x in branches: - visit[len(visit):] = branches[x].keys() - viscache[node] = ret - return ret - if h not in branches: - continue - # O(n^2), but somewhat limited. This only searches the - # tags visible from a specific head, not all the tags in the - # whole repo. - for b in branches[h]: - vis = False - for bb in branches[h].keys(): - if b != bb: - if b in visible(bb): - vis = True - break - if not vis: - l = out.setdefault(h, []) - l[len(l):] = self.nodetags(b) - return out - - def branches(self, nodes): - if not nodes: nodes = [self.changelog.tip()] - b = [] - for n in nodes: - t = n - while n: - p = self.changelog.parents(n) - if p[1] != nullid or p[0] == nullid: - b.append((t, n, p[0], p[1])) - break - n = p[0] - return b - - def between(self, pairs): - r = [] - - for top, bottom in pairs: - n, l, i = top, [], 0 - f = 1 - - while n != bottom: - p = self.changelog.parents(n)[0] - if i == f: - l.append(n) - f = f * 2 - n = p - i += 1 - - r.append(l) - - return r - - def newer(self, nodes): - m = {} - nl = [] - pm = {} - cl = self.changelog - t = l = cl.count() - - # find the lowest numbered node - for n in nodes: - l = min(l, cl.rev(n)) - m[n] = 1 - - for i in xrange(l, t): - n = cl.node(i) - if n in m: # explicitly listed - pm[n] = 1 - nl.append(n) - continue - for p in cl.parents(n): - if p in pm: # parent listed - pm[n] = 1 - nl.append(n) - break - - return nl - - def findincoming(self, remote, base=None, heads=None): - m = self.changelog.nodemap - search = [] - fetch = {} - seen = {} - seenbranch = {} - if base == None: - base = {} - - # assume we're closer to the tip than the root - # and start by examining the heads - self.ui.status("searching for changes\n") - - if not heads: - heads = remote.heads() - - unknown = [] - for h in heads: - if h not in m: - unknown.append(h) - else: - base[h] = 1 - - if not unknown: - return None - - rep = {} - reqcnt = 0 - - # search through remote branches - # a 'branch' here is a linear segment of history, with four parts: - # head, root, first parent, second parent - # (a branch always has two parents (or none) by definition) - unknown = remote.branches(unknown) - while unknown: - r = [] - while unknown: - n = unknown.pop(0) - if n[0] in seen: - continue - - self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) - if n[0] == nullid: - break - if n in seenbranch: - self.ui.debug("branch already found\n") - continue - if n[1] and n[1] in m: # do we know the base? - self.ui.debug("found incomplete branch %s:%s\n" - % (short(n[0]), short(n[1]))) - search.append(n) # schedule branch range for scanning - seenbranch[n] = 1 - else: - if n[1] not in seen and n[1] not in fetch: - if n[2] in m and n[3] in m: - self.ui.debug("found new changeset %s\n" % - short(n[1])) - fetch[n[1]] = 1 # earliest unknown - base[n[2]] = 1 # latest known - continue - - for a in n[2:4]: - if a not in rep: - r.append(a) - rep[a] = 1 - - seen[n[0]] = 1 - - if r: - reqcnt += 1 - self.ui.debug("request %d: %s\n" % - (reqcnt, " ".join(map(short, r)))) - for p in range(0, len(r), 10): - for b in remote.branches(r[p:p+10]): - self.ui.debug("received %s:%s\n" % - (short(b[0]), short(b[1]))) - if b[0] in m: - self.ui.debug("found base node %s\n" % short(b[0])) - base[b[0]] = 1 - elif b[0] not in seen: - unknown.append(b) - - # do binary search on the branches we found - while search: - n = search.pop(0) - reqcnt += 1 - l = remote.between([(n[0], n[1])])[0] - l.append(n[1]) - p = n[0] - f = 1 - for i in l: - self.ui.debug("narrowing %d:%d %s\n" % (f, len(l), short(i))) - if i in m: - if f <= 2: - self.ui.debug("found new branch changeset %s\n" % - short(p)) - fetch[p] = 1 - base[i] = 1 - else: - self.ui.debug("narrowed branch search to %s:%s\n" - % (short(p), short(i))) - search.append((p, i)) - break - p, f = i, f * 2 - - # sanity check our fetch list - for f in fetch.keys(): - if f in m: - raise RepoError("already have changeset " + short(f[:4])) - - if base.keys() == [nullid]: - self.ui.warn("warning: pulling from an unrelated repository!\n") - - self.ui.note("found new changesets starting at " + - " ".join([short(f) for f in fetch]) + "\n") - - self.ui.debug("%d total queries\n" % reqcnt) - - return fetch.keys() - - def findoutgoing(self, remote, base=None, heads=None): - if base == None: - base = {} - self.findincoming(remote, base, heads) - - self.ui.debug("common changesets up to " - + " ".join(map(short, base.keys())) + "\n") - - remain = dict.fromkeys(self.changelog.nodemap) - - # prune everything remote has from the tree - del remain[nullid] - remove = base.keys() - while remove: - n = remove.pop(0) - if n in remain: - del remain[n] - for p in self.changelog.parents(n): - remove.append(p) - - # find every node whose parents have been pruned - subset = [] - for n in remain: - p1, p2 = self.changelog.parents(n) - if p1 not in remain and p2 not in remain: - subset.append(n) - - # this is the set of all roots we have to push - return subset - - def pull(self, remote): - lock = self.lock() - - # if we have an empty repo, fetch everything - if self.changelog.tip() == nullid: - self.ui.status("requesting all changes\n") - fetch = [nullid] - else: - fetch = self.findincoming(remote) - - if not fetch: - self.ui.status("no changes found\n") - return 1 - - cg = remote.changegroup(fetch) - return self.addchangegroup(cg) - - def push(self, remote, force=False): - lock = remote.lock() - - base = {} - heads = remote.heads() - inc = self.findincoming(remote, base, heads) - if not force and inc: - self.ui.warn("abort: unsynced remote changes!\n") - self.ui.status("(did you forget to sync? use push -f to force)\n") - return 1 - - update = self.findoutgoing(remote, base) - if not update: - self.ui.status("no changes found\n") - return 1 - elif not force: - if len(heads) < len(self.changelog.heads()): - self.ui.warn("abort: push creates new remote branches!\n") - self.ui.status("(did you forget to merge?" + - " use push -f to force)\n") - return 1 - - cg = self.changegroup(update) - return remote.addchangegroup(cg) - - def changegroup(self, basenodes): - class genread: - def __init__(self, generator): - self.g = generator - self.buf = "" - def fillbuf(self): - self.buf += "".join(self.g) - - def read(self, l): - while l > len(self.buf): - try: - self.buf += self.g.next() - except StopIteration: - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - def gengroup(): - nodes = self.newer(basenodes) - - # construct the link map - linkmap = {} - for n in nodes: - linkmap[self.changelog.rev(n)] = n - - # construct a list of all changed files - changed = {} - for n in nodes: - c = self.changelog.read(n) - for f in c[3]: - changed[f] = 1 - changed = changed.keys() - changed.sort() - - # the changegroup is changesets + manifests + all file revs - revs = [ self.changelog.rev(n) for n in nodes ] - - for y in self.changelog.group(linkmap): yield y - for y in self.manifest.group(linkmap): yield y - for f in changed: - yield struct.pack(">l", len(f) + 4) + f - g = self.file(f).group(linkmap) - for y in g: - yield y - - yield struct.pack(">l", 0) - - return genread(gengroup()) - - def addchangegroup(self, source): - - def getchunk(): - d = source.read(4) - if not d: return "" - l = struct.unpack(">l", d)[0] - if l <= 4: return "" - return source.read(l - 4) - - def getgroup(): - while 1: - c = getchunk() - if not c: break - yield c - - def csmap(x): - self.ui.debug("add changeset %s\n" % short(x)) - return self.changelog.count() - - def revmap(x): - return self.changelog.rev(x) - - if not source: return - changesets = files = revisions = 0 - - tr = self.transaction() - - oldheads = len(self.changelog.heads()) - - # pull off the changeset group - self.ui.status("adding changesets\n") - co = self.changelog.tip() - cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique - changesets = self.changelog.rev(cn) - self.changelog.rev(co) - - # pull off the manifest group - self.ui.status("adding manifests\n") - mm = self.manifest.tip() - mo = self.manifest.addgroup(getgroup(), revmap, tr) - - # process the files - self.ui.status("adding file changes\n") - while 1: - f = getchunk() - if not f: break - self.ui.debug("adding %s revisions\n" % f) - fl = self.file(f) - o = fl.count() - n = fl.addgroup(getgroup(), revmap, tr) - revisions += fl.count() - o - files += 1 - - newheads = len(self.changelog.heads()) - heads = "" - if oldheads and newheads > oldheads: - heads = " (+%d heads)" % (newheads - oldheads) - - self.ui.status(("added %d changesets" + - " with %d changes to %d files%s\n") - % (changesets, revisions, files, heads)) - - tr.close() - - if not self.hook("changegroup"): - return 1 - - return - - def update(self, node, allow=False, force=False, choose=None, - moddirstate=True): - pl = self.dirstate.parents() - if not force and pl[1] != nullid: - self.ui.warn("aborting: outstanding uncommitted merges\n") - return 1 - - p1, p2 = pl[0], node - pa = self.changelog.ancestor(p1, p2) - m1n = self.changelog.read(p1)[0] - m2n = self.changelog.read(p2)[0] - man = self.manifest.ancestor(m1n, m2n) - m1 = self.manifest.read(m1n) - mf1 = self.manifest.readflags(m1n) - m2 = self.manifest.read(m2n) - mf2 = self.manifest.readflags(m2n) - ma = self.manifest.read(man) - mfa = self.manifest.readflags(man) - - (c, a, d, u) = self.changes() - - # is this a jump, or a merge? i.e. is there a linear path - # from p1 to p2? - linear_path = (pa == p1 or pa == p2) - - # resolve the manifest to determine which files - # we care about merging - self.ui.note("resolving manifests\n") - self.ui.debug(" force %s allow %s moddirstate %s linear %s\n" % - (force, allow, moddirstate, linear_path)) - self.ui.debug(" ancestor %s local %s remote %s\n" % - (short(man), short(m1n), short(m2n))) - - merge = {} - get = {} - remove = [] - - # construct a working dir manifest - mw = m1.copy() - mfw = mf1.copy() - umap = dict.fromkeys(u) - - for f in a + c + u: - mw[f] = "" - mfw[f] = util.is_exec(self.wjoin(f), mfw.get(f, False)) - - for f in d: - if f in mw: del mw[f] - - # If we're jumping between revisions (as opposed to merging), - # and if neither the working directory nor the target rev has - # the file, then we need to remove it from the dirstate, to - # prevent the dirstate from listing the file when it is no - # longer in the manifest. - if moddirstate and linear_path and f not in m2: - self.dirstate.forget((f,)) - - # Compare manifests - for f, n in mw.iteritems(): - if choose and not choose(f): continue - if f in m2: - s = 0 - - # is the wfile new since m1, and match m2? - if f not in m1: - t1 = self.wread(f) - t2 = self.file(f).read(m2[f]) - if cmp(t1, t2) == 0: - n = m2[f] - del t1, t2 - - # are files different? - if n != m2[f]: - a = ma.get(f, nullid) - # are both different from the ancestor? - if n != a and m2[f] != a: - self.ui.debug(" %s versions differ, resolve\n" % f) - # merge executable bits - # "if we changed or they changed, change in merge" - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - merge[f] = (m1.get(f, nullid), m2[f], mode) - s = 1 - # are we clobbering? - # is remote's version newer? - # or are we going back in time? - elif force or m2[f] != a or (p2 == pa and mw[f] == m1[f]): - self.ui.debug(" remote %s is newer, get\n" % f) - get[f] = m2[f] - s = 1 - elif f in umap: - # this unknown file is the same as the checkout - get[f] = m2[f] - - if not s and mfw[f] != mf2[f]: - if force: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mf2[f]) - else: - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - if mode != b: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mode) - del m2[f] - elif f in ma: - if n != ma[f]: - r = "d" - if not force and (linear_path or allow): - r = self.ui.prompt( - (" local changed %s which remote deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "d": - remove.append(f) - else: - self.ui.debug("other deleted %s\n" % f) - remove.append(f) # other deleted it - else: - if n == m1.get(f, nullid): # same as parent - if p2 == pa: # going backwards? - self.ui.debug("remote deleted %s\n" % f) - remove.append(f) - else: - self.ui.debug("local created %s, keeping\n" % f) - else: - self.ui.debug("working dir created %s, keeping\n" % f) - - for f, n in m2.iteritems(): - if choose and not choose(f): continue - if f[0] == "/": continue - if f in ma and n != ma[f]: - r = "k" - if not force and (linear_path or allow): - r = self.ui.prompt( - ("remote changed %s which local deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "k": get[f] = n - elif f not in ma: - self.ui.debug("remote created %s\n" % f) - get[f] = n - else: - if force or p2 == pa: # going backwards? - self.ui.debug("local deleted %s, recreating\n" % f) - get[f] = n - else: - self.ui.debug("local deleted %s\n" % f) - - del mw, m1, m2, ma - - if force: - for f in merge: - get[f] = merge[f][1] - merge = {} - - if linear_path or force: - # we don't need to do any magic, just jump to the new rev - branch_merge = False - p1, p2 = p2, nullid - else: - if not allow: - self.ui.status("this update spans a branch" + - " affecting the following files:\n") - fl = merge.keys() + get.keys() - fl.sort() - for f in fl: - cf = "" - if f in merge: cf = " (resolve)" - self.ui.status(" %s%s\n" % (f, cf)) - self.ui.warn("aborting update spanning branches!\n") - self.ui.status("(use update -m to merge across branches" + - " or -C to lose changes)\n") - return 1 - branch_merge = True - - if moddirstate: - self.dirstate.setparents(p1, p2) - - # get the files we don't need to change - files = get.keys() - files.sort() - for f in files: - if f[0] == "/": continue - self.ui.note("getting %s\n" % f) - t = self.file(f).read(get[f]) - try: - self.wwrite(f, t) - except IOError: - os.makedirs(os.path.dirname(self.wjoin(f))) - self.wwrite(f, t) - util.set_exec(self.wjoin(f), mf2[f]) - if moddirstate: - if branch_merge: - self.dirstate.update([f], 'n', st_mtime=-1) - else: - self.dirstate.update([f], 'n') - - # merge the tricky bits - files = merge.keys() - files.sort() - for f in files: - self.ui.status("merging %s\n" % f) - my, other, flag = merge[f] - self.merge3(f, my, other) - util.set_exec(self.wjoin(f), flag) - if moddirstate: - if branch_merge: - # We've done a branch merge, mark this file as merged - # so that we properly record the merger later - self.dirstate.update([f], 'm') - else: - # We've update-merged a locally modified file, so - # we set the dirstate to emulate a normal checkout - # of that file some time in the past. Thus our - # merge will appear as a normal local file - # modification. - f_len = len(self.file(f).read(other)) - self.dirstate.update([f], 'n', st_size=f_len, st_mtime=-1) - - remove.sort() - for f in remove: - self.ui.note("removing %s\n" % f) - try: - os.unlink(self.wjoin(f)) - except OSError, inst: - self.ui.warn("update failed to remove %s: %s!\n" % (f, inst)) - # try removing directories that might now be empty - try: os.removedirs(os.path.dirname(self.wjoin(f))) - except: pass - if moddirstate: - if branch_merge: - self.dirstate.update(remove, 'r') - else: - self.dirstate.forget(remove) - - def merge3(self, fn, my, other): - """perform a 3-way merge in the working directory""" - - def temp(prefix, node): - pre = "%s~%s." % (os.path.basename(fn), prefix) - (fd, name) = tempfile.mkstemp("", pre) - f = os.fdopen(fd, "wb") - self.wwrite(fn, fl.read(node), f) - f.close() - return name - - fl = self.file(fn) - base = fl.ancestor(my, other) - a = self.wjoin(fn) - b = temp("base", base) - c = temp("other", other) - - self.ui.note("resolving %s\n" % fn) - self.ui.debug("file %s: other %s ancestor %s\n" % - (fn, short(other), short(base))) - - cmd = (os.environ.get("HGMERGE") or self.ui.config("ui", "merge") - or "hgmerge") - r = os.system("%s %s %s %s" % (cmd, a, b, c)) - if r: - self.ui.warn("merging %s failed!\n" % fn) - - os.unlink(b) - os.unlink(c) - - def verify(self): - filelinkrevs = {} - filenodes = {} - changesets = revisions = files = 0 - errors = 0 - - seen = {} - self.ui.status("checking changesets\n") - for i in range(self.changelog.count()): - changesets += 1 - n = self.changelog.node(i) - if n in seen: - self.ui.warn("duplicate changeset at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.changelog.parents(n): - if p not in self.changelog.nodemap: - self.ui.warn("changeset %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - try: - changes = self.changelog.read(n) - except Exception, inst: - self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) - errors += 1 - - for f in changes[3]: - filelinkrevs.setdefault(f, []).append(i) - - seen = {} - self.ui.status("checking manifests\n") - for i in range(self.manifest.count()): - n = self.manifest.node(i) - if n in seen: - self.ui.warn("duplicate manifest at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.manifest.parents(n): - if p not in self.manifest.nodemap: - self.ui.warn("manifest %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - - try: - delta = mdiff.patchtext(self.manifest.delta(n)) - except KeyboardInterrupt: - self.ui.warn("aborted") - sys.exit(0) - except Exception, inst: - self.ui.warn("unpacking manifest %s: %s\n" - % (short(n), inst)) - errors += 1 - - ff = [ l.split('\0') for l in delta.splitlines() ] - for f, fn in ff: - filenodes.setdefault(f, {})[bin(fn[:40])] = 1 - - self.ui.status("crosschecking files in changesets and manifests\n") - for f in filenodes: - if f not in filelinkrevs: - self.ui.warn("file %s in manifest but not in changesets\n" % f) - errors += 1 - - for f in filelinkrevs: - if f not in filenodes: - self.ui.warn("file %s in changeset but not in manifest\n" % f) - errors += 1 - - self.ui.status("checking files\n") - ff = filenodes.keys() - ff.sort() - for f in ff: - if f == "/dev/null": continue - files += 1 - fl = self.file(f) - nodes = { nullid: 1 } - seen = {} - for i in range(fl.count()): - revisions += 1 - n = fl.node(i) - - if n in seen: - self.ui.warn("%s: duplicate revision %d\n" % (f, i)) - errors += 1 - - if n not in filenodes[f]: - self.ui.warn("%s: %d:%s not in manifests\n" - % (f, i, short(n))) - errors += 1 - else: - del filenodes[f][n] - - flr = fl.linkrev(n) - if flr not in filelinkrevs[f]: - self.ui.warn("%s:%s points to unexpected changeset %d\n" - % (f, short(n), fl.linkrev(n))) - errors += 1 - else: - filelinkrevs[f].remove(flr) - - # verify contents - try: - t = fl.read(n) - except Exception, inst: - self.ui.warn("unpacking file %s %s: %s\n" - % (f, short(n), inst)) - errors += 1 - - # verify parents - (p1, p2) = fl.parents(n) - if p1 not in nodes: - self.ui.warn("file %s:%s unknown parent 1 %s" % - (f, short(n), short(p1))) - errors += 1 - if p2 not in nodes: - self.ui.warn("file %s:%s unknown parent 2 %s" % - (f, short(n), short(p1))) - errors += 1 - nodes[n] = 1 - - # cross-check - for node in filenodes[f]: - self.ui.warn("node %s in manifests not in %s\n" - % (hex(node), f)) - errors += 1 - - self.ui.status("%d files, %d changesets, %d total revisions\n" % - (files, changesets, revisions)) - - if errors: - self.ui.warn("%d integrity errors encountered!\n" % errors) - return 1 - class remoterepository: def local(self): return False -class httprepository(remoterepository): - def __init__(self, ui, path): - # fix missing / after hostname - s = urlparse.urlsplit(path) - partial = s[2] - if not partial: partial = "/" - self.url = urlparse.urlunsplit((s[0], s[1], partial, '', '')) - self.ui = ui - no_list = [ "localhost", "127.0.0.1" ] - host = ui.config("http_proxy", "host") - if host is None: - host = os.environ.get("http_proxy") - if host and host.startswith('http://'): - host = host[7:] - user = ui.config("http_proxy", "user") - passwd = ui.config("http_proxy", "passwd") - no = ui.config("http_proxy", "no") - if no is None: - no = os.environ.get("no_proxy") - if no: - no_list = no_list + no.split(",") - - no_proxy = 0 - for h in no_list: - if (path.startswith("http://" + h + "/") or - path.startswith("http://" + h + ":") or - path == "http://" + h): - no_proxy = 1 - - # Note: urllib2 takes proxy values from the environment and those will - # take precedence - for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: - try: - if os.environ.has_key(env): - del os.environ[env] - except OSError: - pass - - proxy_handler = urllib2.BaseHandler() - if host and not no_proxy: - proxy_handler = urllib2.ProxyHandler({"http" : "http://" + host}) - - authinfo = None - if user and passwd: - passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm() - passmgr.add_password(None, host, user, passwd) - authinfo = urllib2.ProxyBasicAuthHandler(passmgr) - - opener = urllib2.build_opener(proxy_handler, authinfo) - urllib2.install_opener(opener) - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - q = {"cmd": cmd} - q.update(args) - qs = urllib.urlencode(q) - cu = "%s?%s" % (self.url, qs) - resp = urllib2.urlopen(cu) - proto = resp.headers['content-type'] - - # accept old "text/plain" and "application/hg-changegroup" for now - if not proto.startswith('application/mercurial') and \ - not proto.startswith('text/plain') and \ - not proto.startswith('application/hg-changegroup'): - raise RepoError("'%s' does not appear to be an hg repository" - % self.url) - - if proto.startswith('application/mercurial'): - version = proto[22:] - if float(version) > 0.1: - raise RepoError("'%s' uses newer protocol %s" % - (self.url, version)) - - return resp - - def heads(self): - d = self.do_cmd("heads").read() - try: - return map(bin, d[:-1].split(" ")) - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.do_cmd("branches", nodes=n).read() - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.do_cmd("between", pairs=n).read() - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - bytes = 0 - - class zread: - def __init__(self, f): - self.zd = zlib.decompressobj() - self.f = f - self.buf = "" - def read(self, l): - while l > len(self.buf): - r = self.f.read(4096) - if r: - self.buf += self.zd.decompress(r) - else: - self.buf += self.zd.flush() - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - return zread(f) - class remotelock: def __init__(self, repo): self.repo = repo @@ -2157,140 +18,3 @@ class remotelock: def __del__(self): if self.repo: self.release() - -class sshrepository(remoterepository): - def __init__(self, ui, path): - self.url = path - self.ui = ui - - m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))?', path) - if not m: - raise RepoError("couldn't parse destination %s" % path) - - self.user = m.group(2) - self.host = m.group(3) - self.port = m.group(5) - self.path = m.group(7) or "." - - args = self.user and ("%s@%s" % (self.user, self.host)) or self.host - args = self.port and ("%s -p %s") % (args, self.port) or args - - sshcmd = self.ui.config("ui", "ssh", "ssh") - remotecmd = self.ui.config("ui", "remotecmd", "hg") - cmd = "%s %s '%s -R %s serve --stdio'" - cmd = cmd % (sshcmd, args, remotecmd, self.path) - - self.pipeo, self.pipei, self.pipee = os.popen3(cmd) - - def readerr(self): - while 1: - r,w,x = select.select([self.pipee], [], [], 0) - if not r: break - l = self.pipee.readline() - if not l: break - self.ui.status("remote: ", l) - - def __del__(self): - try: - self.pipeo.close() - self.pipei.close() - for l in self.pipee: - self.ui.status("remote: ", l) - self.pipee.close() - except: - pass - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - self.pipeo.write("%s\n" % cmd) - for k, v in args.items(): - self.pipeo.write("%s %d\n" % (k, len(v))) - self.pipeo.write(v) - self.pipeo.flush() - - return self.pipei - - def call(self, cmd, **args): - r = self.do_cmd(cmd, **args) - l = r.readline() - self.readerr() - try: - l = int(l) - except: - raise RepoError("unexpected response '%s'" % l) - return r.read(l) - - def lock(self): - self.call("lock") - return remotelock(self) - - def unlock(self): - self.call("unlock") - - def heads(self): - d = self.call("heads") - try: - return map(bin, d[:-1].split(" ")) - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.call("branches", nodes=n) - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.call("between", pairs=n) - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - raise RepoError("unexpected response '%s'" % (d[:400] + "...")) - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - return self.pipei - - def addchangegroup(self, cg): - d = self.call("addchangegroup") - if d: - raise RepoError("push refused: %s", d) - - while 1: - d = cg.read(4096) - if not d: break - self.pipeo.write(d) - self.readerr() - - self.pipeo.flush() - - self.readerr() - l = int(self.pipei.readline()) - return self.pipei.read(l) != "" - -class httpsrepository(httprepository): - pass - -def repository(ui, path=None, create=0): - if path: - if path.startswith("http://"): - return httprepository(ui, path) - if path.startswith("https://"): - return httpsrepository(ui, path) - if path.startswith("hg://"): - return httprepository(ui, path.replace("hg://", "http://")) - if path.startswith("old-http://"): - return localrepository(ui, path.replace("old-http://", "http://")) - if path.startswith("ssh://"): - return sshrepository(ui, path) - - return localrepository(ui, path, create) diff --git a/mercurial/repo.py b/mercurial/repo.py new file mode 100644 --- /dev/null +++ b/mercurial/repo.py @@ -0,0 +1,8 @@ +# repo.py - repository base classes for mercurial +# +# Copyright 2005 Matt Mackall +# +# This software may be used and distributed according to the terms +# of the GNU General Public License, incorporated herein by reference. + +class RepoError(Exception): pass diff --git a/mercurial/revlog.py b/mercurial/revlog.py --- a/mercurial/revlog.py +++ b/mercurial/revlog.py @@ -12,10 +12,7 @@ of the GNU General Public License, incor import zlib, struct, sha, binascii, heapq from mercurial import mdiff - -def hex(node): return binascii.hexlify(node) -def bin(node): return binascii.unhexlify(node) -def short(node): return hex(node[:6]) +from node import * def compress(text): """ generate a possibly-compressed representation of text """ @@ -38,21 +35,6 @@ def decompress(bin): if t == 'u': return bin[1:] raise RevlogError("unknown compression type %s" % t) -def hash(text, p1, p2): - """generate a hash from the given text and its parent hashes - - This hash combines both the current file contents and its history - in a manner that makes it easy to distinguish nodes with the same - content in the revision graph. - """ - l = [p1, p2] - l.sort() - s = sha.new(l[0]) - s.update(l[1]) - s.update(text) - return s.digest() - -nullid = "\0" * 20 indexformat = ">4l20s20s20s" class lazyparser: diff --git a/mercurial/hg.py b/mercurial/sshrepo.py copy from mercurial/hg.py copy to mercurial/sshrepo.py --- a/mercurial/hg.py +++ b/mercurial/sshrepo.py @@ -5,2158 +5,7 @@ # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. -import sys, struct, os -import util -from revlog import * -from demandload import * -demandload(globals(), "re lock urllib urllib2 transaction time socket") -demandload(globals(), "tempfile httprangereader bdiff urlparse") -demandload(globals(), "bisect errno select stat") - -class filelog(revlog): - def __init__(self, opener, path): - revlog.__init__(self, opener, - os.path.join("data", self.encodedir(path + ".i")), - os.path.join("data", self.encodedir(path + ".d"))) - - # This avoids a collision between a file named foo and a dir named - # foo.i or foo.d - def encodedir(self, path): - return (path - .replace(".hg/", ".hg.hg/") - .replace(".i/", ".i.hg/") - .replace(".d/", ".d.hg/")) - - def decodedir(self, path): - return (path - .replace(".d.hg/", ".d/") - .replace(".i.hg/", ".i/") - .replace(".hg.hg/", ".hg/")) - - def read(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - return t[s+2:] - - def readmeta(self, node): - t = self.revision(node) - if not t.startswith('\1\n'): - return t - s = t.find('\1\n', 2) - mt = t[2:s] - for l in mt.splitlines(): - k, v = l.split(": ", 1) - m[k] = v - return m - - def add(self, text, meta, transaction, link, p1=None, p2=None): - if meta or text.startswith('\1\n'): - mt = "" - if meta: - mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ] - text = "\1\n" + "".join(mt) + "\1\n" + text - return self.addrevision(text, transaction, link, p1, p2) - - def annotate(self, node): - - def decorate(text, rev): - return ([rev] * len(text.splitlines()), text) - - def pair(parent, child): - for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): - child[0][b1:b2] = parent[0][a1:a2] - return child - - # find all ancestors - needed = {node:1} - visit = [node] - while visit: - n = visit.pop(0) - for p in self.parents(n): - if p not in needed: - needed[p] = 1 - visit.append(p) - else: - # count how many times we'll use this - needed[p] += 1 - - # sort by revision which is a topological order - visit = [ (self.rev(n), n) for n in needed.keys() ] - visit.sort() - hist = {} - - for r,n in visit: - curr = decorate(self.read(n), self.linkrev(n)) - for p in self.parents(n): - if p != nullid: - curr = pair(hist[p], curr) - # trim the history of unneeded revs - needed[p] -= 1 - if not needed[p]: - del hist[p] - hist[n] = curr - - return zip(hist[n][0], hist[n][1].splitlines(1)) - -class manifest(revlog): - def __init__(self, opener): - self.mapcache = None - self.listcache = None - self.addlist = None - revlog.__init__(self, opener, "00manifest.i", "00manifest.d") - - def read(self, node): - if node == nullid: return {} # don't upset local cache - if self.mapcache and self.mapcache[0] == node: - return self.mapcache[1] - text = self.revision(node) - map = {} - flag = {} - self.listcache = (text, text.splitlines(1)) - for l in self.listcache[1]: - (f, n) = l.split('\0') - map[f] = bin(n[:40]) - flag[f] = (n[40:-1] == "x") - self.mapcache = (node, map, flag) - return map - - def readflags(self, node): - if node == nullid: return {} # don't upset local cache - if not self.mapcache or self.mapcache[0] != node: - self.read(node) - return self.mapcache[2] - - def diff(self, a, b): - # this is sneaky, as we're not actually using a and b - if self.listcache and self.addlist and self.listcache[0] == a: - d = mdiff.diff(self.listcache[1], self.addlist, 1) - if mdiff.patch(a, d) != b: - sys.stderr.write("*** sortdiff failed, falling back ***\n") - return mdiff.textdiff(a, b) - return d - else: - return mdiff.textdiff(a, b) - - def add(self, map, flags, transaction, link, p1=None, p2=None, - changed=None): - # directly generate the mdiff delta from the data collected during - # the bisect loop below - def gendelta(delta): - i = 0 - result = [] - while i < len(delta): - start = delta[i][2] - end = delta[i][3] - l = delta[i][4] - if l == None: - l = "" - while i < len(delta) - 1 and start <= delta[i+1][2] \ - and end >= delta[i+1][2]: - if delta[i+1][3] > end: - end = delta[i+1][3] - if delta[i+1][4]: - l += delta[i+1][4] - i += 1 - result.append(struct.pack(">lll", start, end, len(l)) + l) - i += 1 - return result - - # apply the changes collected during the bisect loop to our addlist - def addlistdelta(addlist, delta): - # apply the deltas to the addlist. start from the bottom up - # so changes to the offsets don't mess things up. - i = len(delta) - while i > 0: - i -= 1 - start = delta[i][0] - end = delta[i][1] - if delta[i][4]: - addlist[start:end] = [delta[i][4]] - else: - del addlist[start:end] - return addlist - - # calculate the byte offset of the start of each line in the - # manifest - def calcoffsets(addlist): - offsets = [0] * (len(addlist) + 1) - offset = 0 - i = 0 - while i < len(addlist): - offsets[i] = offset - offset += len(addlist[i]) - i += 1 - offsets[i] = offset - return offsets - - # if we're using the listcache, make sure it is valid and - # parented by the same node we're diffing against - if not changed or not self.listcache or not p1 or \ - self.mapcache[0] != p1: - files = map.keys() - files.sort() - - self.addlist = ["%s\000%s%s\n" % - (f, hex(map[f]), flags[f] and "x" or '') - for f in files] - cachedelta = None - else: - addlist = self.listcache[1] - - # find the starting offset for each line in the add list - offsets = calcoffsets(addlist) - - # combine the changed lists into one list for sorting - work = [[x, 0] for x in changed[0]] - work[len(work):] = [[x, 1] for x in changed[1]] - work.sort() - - delta = [] - bs = 0 - - for w in work: - f = w[0] - # bs will either be the index of the item or the insert point - bs = bisect.bisect(addlist, f, bs) - if bs < len(addlist): - fn = addlist[bs][:addlist[bs].index('\0')] - else: - fn = None - if w[1] == 0: - l = "%s\000%s%s\n" % (f, hex(map[f]), - flags[f] and "x" or '') - else: - l = None - start = bs - if fn != f: - # item not found, insert a new one - end = bs - if w[1] == 1: - sys.stderr.write("failed to remove %s from manifest\n" - % f) - sys.exit(1) - else: - # item is found, replace/delete the existing line - end = bs + 1 - delta.append([start, end, offsets[start], offsets[end], l]) - - self.addlist = addlistdelta(addlist, delta) - if self.mapcache[0] == self.tip(): - cachedelta = "".join(gendelta(delta)) - else: - cachedelta = None - - text = "".join(self.addlist) - if cachedelta and mdiff.patch(self.listcache[0], cachedelta) != text: - sys.stderr.write("manifest delta failure\n") - sys.exit(1) - n = self.addrevision(text, transaction, link, p1, p2, cachedelta) - self.mapcache = (n, map, flags) - self.listcache = (text, self.addlist) - self.addlist = None - - return n - -class changelog(revlog): - def __init__(self, opener): - revlog.__init__(self, opener, "00changelog.i", "00changelog.d") - - def extract(self, text): - if not text: - return (nullid, "", "0", [], "") - last = text.index("\n\n") - desc = text[last + 2:] - l = text[:last].splitlines() - manifest = bin(l[0]) - user = l[1] - date = l[2] - if " " not in date: - date += " 0" # some tools used -d without a timezone - files = l[3:] - return (manifest, user, date, files, desc) - - def read(self, node): - return self.extract(self.revision(node)) - - def add(self, manifest, list, desc, transaction, p1=None, p2=None, - user=None, date=None): - if not date: - if time.daylight: offset = time.altzone - else: offset = time.timezone - date = "%d %d" % (time.time(), offset) - list.sort() - l = [hex(manifest), user, date] + list + ["", desc] - text = "\n".join(l) - return self.addrevision(text, transaction, self.count(), p1, p2) - -class dirstate: - def __init__(self, opener, ui, root): - self.opener = opener - self.root = root - self.dirty = 0 - self.ui = ui - self.map = None - self.pl = None - self.copies = {} - self.ignorefunc = None - - def wjoin(self, f): - return os.path.join(self.root, f) - - def getcwd(self): - cwd = os.getcwd() - if cwd == self.root: return '' - return cwd[len(self.root) + 1:] - - def ignore(self, f): - if not self.ignorefunc: - bigpat = [] - try: - l = file(self.wjoin(".hgignore")) - for pat in l: - p = pat.rstrip() - if p: - try: - re.compile(p) - except: - self.ui.warn("ignoring invalid ignore" - + " regular expression '%s'\n" % p) - else: - bigpat.append(p) - except IOError: pass - - if bigpat: - s = "(?:%s)" % (")|(?:".join(bigpat)) - r = re.compile(s) - self.ignorefunc = r.search - else: - self.ignorefunc = util.never - - return self.ignorefunc(f) - - def __del__(self): - if self.dirty: - self.write() - - def __getitem__(self, key): - try: - return self.map[key] - except TypeError: - self.read() - return self[key] - - def __contains__(self, key): - if not self.map: self.read() - return key in self.map - - def parents(self): - if not self.pl: - self.read() - return self.pl - - def markdirty(self): - if not self.dirty: - self.dirty = 1 - - def setparents(self, p1, p2=nullid): - self.markdirty() - self.pl = p1, p2 - - def state(self, key): - try: - return self[key][0] - except KeyError: - return "?" - - def read(self): - if self.map is not None: return self.map - - self.map = {} - self.pl = [nullid, nullid] - try: - st = self.opener("dirstate").read() - if not st: return - except: return - - self.pl = [st[:20], st[20: 40]] - - pos = 40 - while pos < len(st): - e = struct.unpack(">cllll", st[pos:pos+17]) - l = e[4] - pos += 17 - f = st[pos:pos + l] - if '\0' in f: - f, c = f.split('\0') - self.copies[f] = c - self.map[f] = e[:4] - pos += l - - def copy(self, source, dest): - self.read() - self.markdirty() - self.copies[dest] = source - - def copied(self, file): - return self.copies.get(file, None) - - def update(self, files, state, **kw): - ''' current states: - n normal - m needs merging - r marked for removal - a marked for addition''' - - if not files: return - self.read() - self.markdirty() - for f in files: - if state == "r": - self.map[f] = ('r', 0, 0, 0) - else: - s = os.stat(os.path.join(self.root, f)) - st_size = kw.get('st_size', s.st_size) - st_mtime = kw.get('st_mtime', s.st_mtime) - self.map[f] = (state, s.st_mode, st_size, st_mtime) - - def forget(self, files): - if not files: return - self.read() - self.markdirty() - for f in files: - try: - del self.map[f] - except KeyError: - self.ui.warn("not in dirstate: %s!\n" % f) - pass - - def clear(self): - self.map = {} - self.markdirty() - - def write(self): - st = self.opener("dirstate", "w") - st.write("".join(self.pl)) - for f, e in self.map.items(): - c = self.copied(f) - if c: - f = f + "\0" + c - e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f)) - st.write(e + f) - self.dirty = 0 - - def filterfiles(self, files): - ret = {} - unknown = [] - - for x in files: - if x is '.': - return self.map.copy() - if x not in self.map: - unknown.append(x) - else: - ret[x] = self.map[x] - - if not unknown: - return ret - - b = self.map.keys() - b.sort() - blen = len(b) - - for x in unknown: - bs = bisect.bisect(b, x) - if bs != 0 and b[bs-1] == x: - ret[x] = self.map[x] - continue - while bs < blen: - s = b[bs] - if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/': - ret[s] = self.map[s] - else: - break - bs += 1 - return ret - - def walk(self, files=None, match=util.always, dc=None): - self.read() - - # walk all files by default - if not files: - files = [self.root] - if not dc: - dc = self.map.copy() - elif not dc: - dc = self.filterfiles(files) - - known = {'.hg': 1} - def seen(fn): - if fn in known: return True - known[fn] = 1 - def traverse(): - for ff in util.unique(files): - f = os.path.join(self.root, ff) - try: - st = os.stat(f) - except OSError, inst: - if ff not in dc: self.ui.warn('%s: %s\n' % ( - util.pathto(self.getcwd(), ff), - inst.strerror)) - continue - if stat.S_ISDIR(st.st_mode): - for dir, subdirs, fl in os.walk(f): - d = dir[len(self.root) + 1:] - nd = util.normpath(d) - if nd == '.': nd = '' - if seen(nd): - subdirs[:] = [] - continue - for sd in subdirs: - ds = os.path.join(nd, sd +'/') - if self.ignore(ds) or not match(ds): - subdirs.remove(sd) - subdirs.sort() - fl.sort() - for fn in fl: - fn = util.pconvert(os.path.join(d, fn)) - yield 'f', fn - elif stat.S_ISREG(st.st_mode): - yield 'f', ff - else: - kind = 'unknown' - if stat.S_ISCHR(st.st_mode): kind = 'character device' - elif stat.S_ISBLK(st.st_mode): kind = 'block device' - elif stat.S_ISFIFO(st.st_mode): kind = 'fifo' - elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link' - elif stat.S_ISSOCK(st.st_mode): kind = 'socket' - self.ui.warn('%s: unsupported file type (type is %s)\n' % ( - util.pathto(self.getcwd(), ff), - kind)) - - ks = dc.keys() - ks.sort() - for k in ks: - yield 'm', k - - # yield only files that match: all in dirstate, others only if - # not in .hgignore - - for src, fn in util.unique(traverse()): - fn = util.normpath(fn) - if seen(fn): continue - if fn not in dc and self.ignore(fn): - continue - if match(fn): - yield src, fn - - def changes(self, files=None, match=util.always): - self.read() - if not files: - dc = self.map.copy() - else: - dc = self.filterfiles(files) - lookup, modified, added, unknown = [], [], [], [] - removed, deleted = [], [] - - for src, fn in self.walk(files, match, dc=dc): - try: - s = os.stat(os.path.join(self.root, fn)) - except OSError: - continue - if not stat.S_ISREG(s.st_mode): - continue - c = dc.get(fn) - if c: - del dc[fn] - if c[0] == 'm': - modified.append(fn) - elif c[0] == 'a': - added.append(fn) - elif c[0] == 'r': - unknown.append(fn) - elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100: - modified.append(fn) - elif c[3] != s.st_mtime: - lookup.append(fn) - else: - unknown.append(fn) - - for fn, c in [(fn, c) for fn, c in dc.items() if match(fn)]: - if c[0] == 'r': - removed.append(fn) - else: - deleted.append(fn) - return (lookup, modified, added, removed + deleted, unknown) - -# used to avoid circular references so destructors work -def opener(base): - p = base - def o(path, mode="r"): - if p.startswith("http://"): - f = os.path.join(p, urllib.quote(path)) - return httprangereader.httprangereader(f) - - f = os.path.join(p, path) - - mode += "b" # for that other OS - - if mode[0] != "r": - try: - s = os.stat(f) - except OSError: - d = os.path.dirname(f) - if not os.path.isdir(d): - os.makedirs(d) - else: - if s.st_nlink > 1: - file(f + ".tmp", "wb").write(file(f, "rb").read()) - util.rename(f+".tmp", f) - - return file(f, mode) - - return o - -class RepoError(Exception): pass - -class localrepository: - def __init__(self, ui, path=None, create=0): - self.remote = 0 - if path and path.startswith("http://"): - self.remote = 1 - self.path = path - else: - if not path: - p = os.getcwd() - while not os.path.isdir(os.path.join(p, ".hg")): - oldp = p - p = os.path.dirname(p) - if p == oldp: raise RepoError("no repo found") - path = p - self.path = os.path.join(path, ".hg") - - if not create and not os.path.isdir(self.path): - raise RepoError("repository %s not found" % self.path) - - self.root = os.path.abspath(path) - self.ui = ui - - if create: - os.mkdir(self.path) - os.mkdir(self.join("data")) - - self.opener = opener(self.path) - self.wopener = opener(self.root) - self.manifest = manifest(self.opener) - self.changelog = changelog(self.opener) - self.tagscache = None - self.nodetagscache = None - - if not self.remote: - self.dirstate = dirstate(self.opener, ui, self.root) - try: - self.ui.readconfig(self.opener("hgrc")) - except IOError: pass - - def hook(self, name, **args): - s = self.ui.config("hooks", name) - if s: - self.ui.note("running hook %s: %s\n" % (name, s)) - old = {} - for k, v in args.items(): - k = k.upper() - old[k] = os.environ.get(k, None) - os.environ[k] = v - - r = os.system(s) - - for k, v in old.items(): - if v != None: - os.environ[k] = v - else: - del os.environ[k] - - if r: - self.ui.warn("abort: %s hook failed with status %d!\n" % - (name, r)) - return False - return True - - def tags(self): - '''return a mapping of tag to node''' - if not self.tagscache: - self.tagscache = {} - def addtag(self, k, n): - try: - bin_n = bin(n) - except TypeError: - bin_n = '' - self.tagscache[k.strip()] = bin_n - - try: - # read each head of the tags file, ending with the tip - # and add each tag found to the map, with "newer" ones - # taking precedence - fl = self.file(".hgtags") - h = fl.heads() - h.reverse() - for r in h: - for l in fl.read(r).splitlines(): - if l: - n, k = l.split(" ", 1) - addtag(self, k, n) - except KeyError: - pass - - try: - f = self.opener("localtags") - for l in f: - n, k = l.split(" ", 1) - addtag(self, k, n) - except IOError: - pass - - self.tagscache['tip'] = self.changelog.tip() - - return self.tagscache - - def tagslist(self): - '''return a list of tags ordered by revision''' - l = [] - for t, n in self.tags().items(): - try: - r = self.changelog.rev(n) - except: - r = -2 # sort to the beginning of the list if unknown - l.append((r,t,n)) - l.sort() - return [(t,n) for r,t,n in l] - - def nodetags(self, node): - '''return the tags associated with a node''' - if not self.nodetagscache: - self.nodetagscache = {} - for t,n in self.tags().items(): - self.nodetagscache.setdefault(n,[]).append(t) - return self.nodetagscache.get(node, []) - - def lookup(self, key): - try: - return self.tags()[key] - except KeyError: - try: - return self.changelog.lookup(key) - except: - raise RepoError("unknown revision '%s'" % key) - - def dev(self): - if self.remote: return -1 - return os.stat(self.path).st_dev - - def local(self): - return not self.remote - - def join(self, f): - return os.path.join(self.path, f) - - def wjoin(self, f): - return os.path.join(self.root, f) - - def file(self, f): - if f[0] == '/': f = f[1:] - return filelog(self.opener, f) - - def getcwd(self): - return self.dirstate.getcwd() - - def wfile(self, f, mode='r'): - return self.wopener(f, mode) - - def wread(self, filename): - return self.wopener(filename, 'r').read() - - def wwrite(self, filename, data, fd=None): - if fd: - return fd.write(data) - return self.wopener(filename, 'w').write(data) - - def transaction(self): - # save dirstate for undo - try: - ds = self.opener("dirstate").read() - except IOError: - ds = "" - self.opener("journal.dirstate", "w").write(ds) - - def after(): - util.rename(self.join("journal"), self.join("undo")) - util.rename(self.join("journal.dirstate"), - self.join("undo.dirstate")) - - return transaction.transaction(self.ui.warn, self.opener, - self.join("journal"), after) - - def recover(self): - lock = self.lock() - if os.path.exists(self.join("journal")): - self.ui.status("rolling back interrupted transaction\n") - return transaction.rollback(self.opener, self.join("journal")) - else: - self.ui.warn("no interrupted transaction available\n") - - def undo(self): - lock = self.lock() - if os.path.exists(self.join("undo")): - self.ui.status("rolling back last transaction\n") - transaction.rollback(self.opener, self.join("undo")) - self.dirstate = None - util.rename(self.join("undo.dirstate"), self.join("dirstate")) - self.dirstate = dirstate(self.opener, self.ui, self.root) - else: - self.ui.warn("no undo information available\n") - - def lock(self, wait=1): - try: - return lock.lock(self.join("lock"), 0) - except lock.LockHeld, inst: - if wait: - self.ui.warn("waiting for lock held by %s\n" % inst.args[0]) - return lock.lock(self.join("lock"), wait) - raise inst - - def rawcommit(self, files, text, user, date, p1=None, p2=None): - orig_parent = self.dirstate.parents()[0] or nullid - p1 = p1 or self.dirstate.parents()[0] or nullid - p2 = p2 or self.dirstate.parents()[1] or nullid - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - changed = [] - - if orig_parent == p1: - update_dirstate = 1 - else: - update_dirstate = 0 - - tr = self.transaction() - mm = m1.copy() - mfm = mf1.copy() - linkrev = self.changelog.count() - for f in files: - try: - t = self.wread(f) - tm = util.is_exec(self.wjoin(f), mfm.get(f, False)) - r = self.file(f) - mfm[f] = tm - - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - mm[f] = fp1 - continue - - mm[f] = r.add(t, {}, tr, linkrev, fp1, fp2) - changed.append(f) - if update_dirstate: - self.dirstate.update([f], "n") - except IOError: - try: - del mm[f] - del mfm[f] - if update_dirstate: - self.dirstate.forget([f]) - except: - # deleted from p2? - pass - - mnode = self.manifest.add(mm, mfm, tr, linkrev, c1[0], c2[0]) - user = user or self.ui.username() - n = self.changelog.add(mnode, changed, text, tr, p1, p2, user, date) - tr.close() - if update_dirstate: - self.dirstate.setparents(n, nullid) - - def commit(self, files = None, text = "", user = None, date = None, - match = util.always, force=False): - commit = [] - remove = [] - changed = [] - - if files: - for f in files: - s = self.dirstate.state(f) - if s in 'nmai': - commit.append(f) - elif s == 'r': - remove.append(f) - else: - self.ui.warn("%s not tracked!\n" % f) - else: - (c, a, d, u) = self.changes(match=match) - commit = c + a - remove = d - - p1, p2 = self.dirstate.parents() - c1 = self.changelog.read(p1) - c2 = self.changelog.read(p2) - m1 = self.manifest.read(c1[0]) - mf1 = self.manifest.readflags(c1[0]) - m2 = self.manifest.read(c2[0]) - - if not commit and not remove and not force and p2 == nullid: - self.ui.status("nothing changed\n") - return None - - if not self.hook("precommit"): - return None - - lock = self.lock() - tr = self.transaction() - - # check in files - new = {} - linkrev = self.changelog.count() - commit.sort() - for f in commit: - self.ui.note(f + "\n") - try: - mf1[f] = util.is_exec(self.wjoin(f), mf1.get(f, False)) - t = self.wread(f) - except IOError: - self.ui.warn("trouble committing %s!\n" % f) - raise - - meta = {} - cp = self.dirstate.copied(f) - if cp: - meta["copy"] = cp - meta["copyrev"] = hex(m1.get(cp, m2.get(cp, nullid))) - self.ui.debug(" %s: copy %s:%s\n" % (f, cp, meta["copyrev"])) - - r = self.file(f) - fp1 = m1.get(f, nullid) - fp2 = m2.get(f, nullid) - - # is the same revision on two branches of a merge? - if fp2 == fp1: - fp2 = nullid - - if fp2 != nullid: - # is one parent an ancestor of the other? - fpa = r.ancestor(fp1, fp2) - if fpa == fp1: - fp1, fp2 = fp2, nullid - elif fpa == fp2: - fp2 = nullid - - # is the file unmodified from the parent? - if not meta and t == r.read(fp1): - # record the proper existing parent in manifest - # no need to add a revision - new[f] = fp1 - continue - - new[f] = r.add(t, meta, tr, linkrev, fp1, fp2) - # remember what we've added so that we can later calculate - # the files to pull from a set of changesets - changed.append(f) - - # update manifest - m1.update(new) - for f in remove: - if f in m1: - del m1[f] - mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0], - (new, remove)) - - # add changeset - new = new.keys() - new.sort() - - if not text: - edittext = "" - if p2 != nullid: - edittext += "HG: branch merge\n" - edittext += "\n" + "HG: manifest hash %s\n" % hex(mn) - edittext += "".join(["HG: changed %s\n" % f for f in changed]) - edittext += "".join(["HG: removed %s\n" % f for f in remove]) - if not changed and not remove: - edittext += "HG: no files changed\n" - edittext = self.ui.edit(edittext) - if not edittext.rstrip(): - return None - text = edittext - - user = user or self.ui.username() - n = self.changelog.add(mn, changed, text, tr, p1, p2, user, date) - tr.close() - - self.dirstate.setparents(n) - self.dirstate.update(new, "n") - self.dirstate.forget(remove) - - if not self.hook("commit", node=hex(n)): - return None - return n - - def walk(self, node=None, files=[], match=util.always): - if node: - for fn in self.manifest.read(self.changelog.read(node)[0]): - if match(fn): yield 'm', fn - else: - for src, fn in self.dirstate.walk(files, match): - yield src, fn - - def changes(self, node1 = None, node2 = None, files = [], - match = util.always): - mf2, u = None, [] - - def fcmp(fn, mf): - t1 = self.wread(fn) - t2 = self.file(fn).read(mf.get(fn, nullid)) - return cmp(t1, t2) - - def mfmatches(node): - mf = dict(self.manifest.read(node)) - for fn in mf.keys(): - if not match(fn): - del mf[fn] - return mf - - # are we comparing the working directory? - if not node2: - l, c, a, d, u = self.dirstate.changes(files, match) - - # are we comparing working dir against its parent? - if not node1: - if l: - # do a full compare of any files that might have changed - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in l: - if fcmp(f, mf2): - c.append(f) - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - # are we comparing working dir against non-tip? - # generate a pseudo-manifest for the working dir - if not node2: - if not mf2: - change = self.changelog.read(self.dirstate.parents()[0]) - mf2 = mfmatches(change[0]) - for f in a + c + l: - mf2[f] = "" - for f in d: - if f in mf2: del mf2[f] - else: - change = self.changelog.read(node2) - mf2 = mfmatches(change[0]) - - # flush lists from dirstate before comparing manifests - c, a = [], [] - - change = self.changelog.read(node1) - mf1 = mfmatches(change[0]) - - for fn in mf2: - if mf1.has_key(fn): - if mf1[fn] != mf2[fn]: - if mf2[fn] != "" or fcmp(fn, mf1): - c.append(fn) - del mf1[fn] - else: - a.append(fn) - - d = mf1.keys() - - for l in c, a, d, u: - l.sort() - - return (c, a, d, u) - - def add(self, list): - for f in list: - p = self.wjoin(f) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % f) - elif not os.path.isfile(p): - self.ui.warn("%s not added: only files supported currently\n" % f) - elif self.dirstate.state(f) in 'an': - self.ui.warn("%s already tracked!\n" % f) - else: - self.dirstate.update([f], "a") - - def forget(self, list): - for f in list: - if self.dirstate.state(f) not in 'ai': - self.ui.warn("%s not added!\n" % f) - else: - self.dirstate.forget([f]) - - def remove(self, list): - for f in list: - p = self.wjoin(f) - if os.path.exists(p): - self.ui.warn("%s still exists!\n" % f) - elif self.dirstate.state(f) == 'a': - self.ui.warn("%s never committed!\n" % f) - self.dirstate.forget([f]) - elif f not in self.dirstate: - self.ui.warn("%s not tracked!\n" % f) - else: - self.dirstate.update([f], "r") - - def copy(self, source, dest): - p = self.wjoin(dest) - if not os.path.exists(p): - self.ui.warn("%s does not exist!\n" % dest) - elif not os.path.isfile(p): - self.ui.warn("copy failed: %s is not a file\n" % dest) - else: - if self.dirstate.state(dest) == '?': - self.dirstate.update([dest], "a") - self.dirstate.copy(source, dest) - - def heads(self): - return self.changelog.heads() - - # branchlookup returns a dict giving a list of branches for - # each head. A branch is defined as the tag of a node or - # the branch of the node's parents. If a node has multiple - # branch tags, tags are eliminated if they are visible from other - # branch tags. - # - # So, for this graph: a->b->c->d->e - # \ / - # aa -----/ - # a has tag 2.6.12 - # d has tag 2.6.13 - # e would have branch tags for 2.6.12 and 2.6.13. Because the node - # for 2.6.12 can be reached from the node 2.6.13, that is eliminated - # from the list. - # - # It is possible that more than one head will have the same branch tag. - # callers need to check the result for multiple heads under the same - # branch tag if that is a problem for them (ie checkout of a specific - # branch). - # - # passing in a specific branch will limit the depth of the search - # through the parents. It won't limit the branches returned in the - # result though. - def branchlookup(self, heads=None, branch=None): - if not heads: - heads = self.heads() - headt = [ h for h in heads ] - chlog = self.changelog - branches = {} - merges = [] - seenmerge = {} - - # traverse the tree once for each head, recording in the branches - # dict which tags are visible from this head. The branches - # dict also records which tags are visible from each tag - # while we traverse. - while headt or merges: - if merges: - n, found = merges.pop() - visit = [n] - else: - h = headt.pop() - visit = [h] - found = [h] - seen = {} - while visit: - n = visit.pop() - if n in seen: - continue - pp = chlog.parents(n) - tags = self.nodetags(n) - if tags: - for x in tags: - if x == 'tip': - continue - for f in found: - branches.setdefault(f, {})[n] = 1 - branches.setdefault(n, {})[n] = 1 - break - if n not in found: - found.append(n) - if branch in tags: - continue - seen[n] = 1 - if pp[1] != nullid and n not in seenmerge: - merges.append((pp[1], [x for x in found])) - seenmerge[n] = 1 - if pp[0] != nullid: - visit.append(pp[0]) - # traverse the branches dict, eliminating branch tags from each - # head that are visible from another branch tag for that head. - out = {} - viscache = {} - for h in heads: - def visible(node): - if node in viscache: - return viscache[node] - ret = {} - visit = [node] - while visit: - x = visit.pop() - if x in viscache: - ret.update(viscache[x]) - elif x not in ret: - ret[x] = 1 - if x in branches: - visit[len(visit):] = branches[x].keys() - viscache[node] = ret - return ret - if h not in branches: - continue - # O(n^2), but somewhat limited. This only searches the - # tags visible from a specific head, not all the tags in the - # whole repo. - for b in branches[h]: - vis = False - for bb in branches[h].keys(): - if b != bb: - if b in visible(bb): - vis = True - break - if not vis: - l = out.setdefault(h, []) - l[len(l):] = self.nodetags(b) - return out - - def branches(self, nodes): - if not nodes: nodes = [self.changelog.tip()] - b = [] - for n in nodes: - t = n - while n: - p = self.changelog.parents(n) - if p[1] != nullid or p[0] == nullid: - b.append((t, n, p[0], p[1])) - break - n = p[0] - return b - - def between(self, pairs): - r = [] - - for top, bottom in pairs: - n, l, i = top, [], 0 - f = 1 - - while n != bottom: - p = self.changelog.parents(n)[0] - if i == f: - l.append(n) - f = f * 2 - n = p - i += 1 - - r.append(l) - - return r - - def newer(self, nodes): - m = {} - nl = [] - pm = {} - cl = self.changelog - t = l = cl.count() - - # find the lowest numbered node - for n in nodes: - l = min(l, cl.rev(n)) - m[n] = 1 - - for i in xrange(l, t): - n = cl.node(i) - if n in m: # explicitly listed - pm[n] = 1 - nl.append(n) - continue - for p in cl.parents(n): - if p in pm: # parent listed - pm[n] = 1 - nl.append(n) - break - - return nl - - def findincoming(self, remote, base=None, heads=None): - m = self.changelog.nodemap - search = [] - fetch = {} - seen = {} - seenbranch = {} - if base == None: - base = {} - - # assume we're closer to the tip than the root - # and start by examining the heads - self.ui.status("searching for changes\n") - - if not heads: - heads = remote.heads() - - unknown = [] - for h in heads: - if h not in m: - unknown.append(h) - else: - base[h] = 1 - - if not unknown: - return None - - rep = {} - reqcnt = 0 - - # search through remote branches - # a 'branch' here is a linear segment of history, with four parts: - # head, root, first parent, second parent - # (a branch always has two parents (or none) by definition) - unknown = remote.branches(unknown) - while unknown: - r = [] - while unknown: - n = unknown.pop(0) - if n[0] in seen: - continue - - self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1]))) - if n[0] == nullid: - break - if n in seenbranch: - self.ui.debug("branch already found\n") - continue - if n[1] and n[1] in m: # do we know the base? - self.ui.debug("found incomplete branch %s:%s\n" - % (short(n[0]), short(n[1]))) - search.append(n) # schedule branch range for scanning - seenbranch[n] = 1 - else: - if n[1] not in seen and n[1] not in fetch: - if n[2] in m and n[3] in m: - self.ui.debug("found new changeset %s\n" % - short(n[1])) - fetch[n[1]] = 1 # earliest unknown - base[n[2]] = 1 # latest known - continue - - for a in n[2:4]: - if a not in rep: - r.append(a) - rep[a] = 1 - - seen[n[0]] = 1 - - if r: - reqcnt += 1 - self.ui.debug("request %d: %s\n" % - (reqcnt, " ".join(map(short, r)))) - for p in range(0, len(r), 10): - for b in remote.branches(r[p:p+10]): - self.ui.debug("received %s:%s\n" % - (short(b[0]), short(b[1]))) - if b[0] in m: - self.ui.debug("found base node %s\n" % short(b[0])) - base[b[0]] = 1 - elif b[0] not in seen: - unknown.append(b) - - # do binary search on the branches we found - while search: - n = search.pop(0) - reqcnt += 1 - l = remote.between([(n[0], n[1])])[0] - l.append(n[1]) - p = n[0] - f = 1 - for i in l: - self.ui.debug("narrowing %d:%d %s\n" % (f, len(l), short(i))) - if i in m: - if f <= 2: - self.ui.debug("found new branch changeset %s\n" % - short(p)) - fetch[p] = 1 - base[i] = 1 - else: - self.ui.debug("narrowed branch search to %s:%s\n" - % (short(p), short(i))) - search.append((p, i)) - break - p, f = i, f * 2 - - # sanity check our fetch list - for f in fetch.keys(): - if f in m: - raise RepoError("already have changeset " + short(f[:4])) - - if base.keys() == [nullid]: - self.ui.warn("warning: pulling from an unrelated repository!\n") - - self.ui.note("found new changesets starting at " + - " ".join([short(f) for f in fetch]) + "\n") - - self.ui.debug("%d total queries\n" % reqcnt) - - return fetch.keys() - - def findoutgoing(self, remote, base=None, heads=None): - if base == None: - base = {} - self.findincoming(remote, base, heads) - - self.ui.debug("common changesets up to " - + " ".join(map(short, base.keys())) + "\n") - - remain = dict.fromkeys(self.changelog.nodemap) - - # prune everything remote has from the tree - del remain[nullid] - remove = base.keys() - while remove: - n = remove.pop(0) - if n in remain: - del remain[n] - for p in self.changelog.parents(n): - remove.append(p) - - # find every node whose parents have been pruned - subset = [] - for n in remain: - p1, p2 = self.changelog.parents(n) - if p1 not in remain and p2 not in remain: - subset.append(n) - - # this is the set of all roots we have to push - return subset - - def pull(self, remote): - lock = self.lock() - - # if we have an empty repo, fetch everything - if self.changelog.tip() == nullid: - self.ui.status("requesting all changes\n") - fetch = [nullid] - else: - fetch = self.findincoming(remote) - - if not fetch: - self.ui.status("no changes found\n") - return 1 - - cg = remote.changegroup(fetch) - return self.addchangegroup(cg) - - def push(self, remote, force=False): - lock = remote.lock() - - base = {} - heads = remote.heads() - inc = self.findincoming(remote, base, heads) - if not force and inc: - self.ui.warn("abort: unsynced remote changes!\n") - self.ui.status("(did you forget to sync? use push -f to force)\n") - return 1 - - update = self.findoutgoing(remote, base) - if not update: - self.ui.status("no changes found\n") - return 1 - elif not force: - if len(heads) < len(self.changelog.heads()): - self.ui.warn("abort: push creates new remote branches!\n") - self.ui.status("(did you forget to merge?" + - " use push -f to force)\n") - return 1 - - cg = self.changegroup(update) - return remote.addchangegroup(cg) - - def changegroup(self, basenodes): - class genread: - def __init__(self, generator): - self.g = generator - self.buf = "" - def fillbuf(self): - self.buf += "".join(self.g) - - def read(self, l): - while l > len(self.buf): - try: - self.buf += self.g.next() - except StopIteration: - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - def gengroup(): - nodes = self.newer(basenodes) - - # construct the link map - linkmap = {} - for n in nodes: - linkmap[self.changelog.rev(n)] = n - - # construct a list of all changed files - changed = {} - for n in nodes: - c = self.changelog.read(n) - for f in c[3]: - changed[f] = 1 - changed = changed.keys() - changed.sort() - - # the changegroup is changesets + manifests + all file revs - revs = [ self.changelog.rev(n) for n in nodes ] - - for y in self.changelog.group(linkmap): yield y - for y in self.manifest.group(linkmap): yield y - for f in changed: - yield struct.pack(">l", len(f) + 4) + f - g = self.file(f).group(linkmap) - for y in g: - yield y - - yield struct.pack(">l", 0) - - return genread(gengroup()) - - def addchangegroup(self, source): - - def getchunk(): - d = source.read(4) - if not d: return "" - l = struct.unpack(">l", d)[0] - if l <= 4: return "" - return source.read(l - 4) - - def getgroup(): - while 1: - c = getchunk() - if not c: break - yield c - - def csmap(x): - self.ui.debug("add changeset %s\n" % short(x)) - return self.changelog.count() - - def revmap(x): - return self.changelog.rev(x) - - if not source: return - changesets = files = revisions = 0 - - tr = self.transaction() - - oldheads = len(self.changelog.heads()) - - # pull off the changeset group - self.ui.status("adding changesets\n") - co = self.changelog.tip() - cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique - changesets = self.changelog.rev(cn) - self.changelog.rev(co) - - # pull off the manifest group - self.ui.status("adding manifests\n") - mm = self.manifest.tip() - mo = self.manifest.addgroup(getgroup(), revmap, tr) - - # process the files - self.ui.status("adding file changes\n") - while 1: - f = getchunk() - if not f: break - self.ui.debug("adding %s revisions\n" % f) - fl = self.file(f) - o = fl.count() - n = fl.addgroup(getgroup(), revmap, tr) - revisions += fl.count() - o - files += 1 - - newheads = len(self.changelog.heads()) - heads = "" - if oldheads and newheads > oldheads: - heads = " (+%d heads)" % (newheads - oldheads) - - self.ui.status(("added %d changesets" + - " with %d changes to %d files%s\n") - % (changesets, revisions, files, heads)) - - tr.close() - - if not self.hook("changegroup"): - return 1 - - return - - def update(self, node, allow=False, force=False, choose=None, - moddirstate=True): - pl = self.dirstate.parents() - if not force and pl[1] != nullid: - self.ui.warn("aborting: outstanding uncommitted merges\n") - return 1 - - p1, p2 = pl[0], node - pa = self.changelog.ancestor(p1, p2) - m1n = self.changelog.read(p1)[0] - m2n = self.changelog.read(p2)[0] - man = self.manifest.ancestor(m1n, m2n) - m1 = self.manifest.read(m1n) - mf1 = self.manifest.readflags(m1n) - m2 = self.manifest.read(m2n) - mf2 = self.manifest.readflags(m2n) - ma = self.manifest.read(man) - mfa = self.manifest.readflags(man) - - (c, a, d, u) = self.changes() - - # is this a jump, or a merge? i.e. is there a linear path - # from p1 to p2? - linear_path = (pa == p1 or pa == p2) - - # resolve the manifest to determine which files - # we care about merging - self.ui.note("resolving manifests\n") - self.ui.debug(" force %s allow %s moddirstate %s linear %s\n" % - (force, allow, moddirstate, linear_path)) - self.ui.debug(" ancestor %s local %s remote %s\n" % - (short(man), short(m1n), short(m2n))) - - merge = {} - get = {} - remove = [] - - # construct a working dir manifest - mw = m1.copy() - mfw = mf1.copy() - umap = dict.fromkeys(u) - - for f in a + c + u: - mw[f] = "" - mfw[f] = util.is_exec(self.wjoin(f), mfw.get(f, False)) - - for f in d: - if f in mw: del mw[f] - - # If we're jumping between revisions (as opposed to merging), - # and if neither the working directory nor the target rev has - # the file, then we need to remove it from the dirstate, to - # prevent the dirstate from listing the file when it is no - # longer in the manifest. - if moddirstate and linear_path and f not in m2: - self.dirstate.forget((f,)) - - # Compare manifests - for f, n in mw.iteritems(): - if choose and not choose(f): continue - if f in m2: - s = 0 - - # is the wfile new since m1, and match m2? - if f not in m1: - t1 = self.wread(f) - t2 = self.file(f).read(m2[f]) - if cmp(t1, t2) == 0: - n = m2[f] - del t1, t2 - - # are files different? - if n != m2[f]: - a = ma.get(f, nullid) - # are both different from the ancestor? - if n != a and m2[f] != a: - self.ui.debug(" %s versions differ, resolve\n" % f) - # merge executable bits - # "if we changed or they changed, change in merge" - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - merge[f] = (m1.get(f, nullid), m2[f], mode) - s = 1 - # are we clobbering? - # is remote's version newer? - # or are we going back in time? - elif force or m2[f] != a or (p2 == pa and mw[f] == m1[f]): - self.ui.debug(" remote %s is newer, get\n" % f) - get[f] = m2[f] - s = 1 - elif f in umap: - # this unknown file is the same as the checkout - get[f] = m2[f] - - if not s and mfw[f] != mf2[f]: - if force: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mf2[f]) - else: - a, b, c = mfa.get(f, 0), mfw[f], mf2[f] - mode = ((a^b) | (a^c)) ^ a - if mode != b: - self.ui.debug(" updating permissions for %s\n" % f) - util.set_exec(self.wjoin(f), mode) - del m2[f] - elif f in ma: - if n != ma[f]: - r = "d" - if not force and (linear_path or allow): - r = self.ui.prompt( - (" local changed %s which remote deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "d": - remove.append(f) - else: - self.ui.debug("other deleted %s\n" % f) - remove.append(f) # other deleted it - else: - if n == m1.get(f, nullid): # same as parent - if p2 == pa: # going backwards? - self.ui.debug("remote deleted %s\n" % f) - remove.append(f) - else: - self.ui.debug("local created %s, keeping\n" % f) - else: - self.ui.debug("working dir created %s, keeping\n" % f) - - for f, n in m2.iteritems(): - if choose and not choose(f): continue - if f[0] == "/": continue - if f in ma and n != ma[f]: - r = "k" - if not force and (linear_path or allow): - r = self.ui.prompt( - ("remote changed %s which local deleted\n" % f) + - "(k)eep or (d)elete?", "[kd]", "k") - if r == "k": get[f] = n - elif f not in ma: - self.ui.debug("remote created %s\n" % f) - get[f] = n - else: - if force or p2 == pa: # going backwards? - self.ui.debug("local deleted %s, recreating\n" % f) - get[f] = n - else: - self.ui.debug("local deleted %s\n" % f) - - del mw, m1, m2, ma - - if force: - for f in merge: - get[f] = merge[f][1] - merge = {} - - if linear_path or force: - # we don't need to do any magic, just jump to the new rev - branch_merge = False - p1, p2 = p2, nullid - else: - if not allow: - self.ui.status("this update spans a branch" + - " affecting the following files:\n") - fl = merge.keys() + get.keys() - fl.sort() - for f in fl: - cf = "" - if f in merge: cf = " (resolve)" - self.ui.status(" %s%s\n" % (f, cf)) - self.ui.warn("aborting update spanning branches!\n") - self.ui.status("(use update -m to merge across branches" + - " or -C to lose changes)\n") - return 1 - branch_merge = True - - if moddirstate: - self.dirstate.setparents(p1, p2) - - # get the files we don't need to change - files = get.keys() - files.sort() - for f in files: - if f[0] == "/": continue - self.ui.note("getting %s\n" % f) - t = self.file(f).read(get[f]) - try: - self.wwrite(f, t) - except IOError: - os.makedirs(os.path.dirname(self.wjoin(f))) - self.wwrite(f, t) - util.set_exec(self.wjoin(f), mf2[f]) - if moddirstate: - if branch_merge: - self.dirstate.update([f], 'n', st_mtime=-1) - else: - self.dirstate.update([f], 'n') - - # merge the tricky bits - files = merge.keys() - files.sort() - for f in files: - self.ui.status("merging %s\n" % f) - my, other, flag = merge[f] - self.merge3(f, my, other) - util.set_exec(self.wjoin(f), flag) - if moddirstate: - if branch_merge: - # We've done a branch merge, mark this file as merged - # so that we properly record the merger later - self.dirstate.update([f], 'm') - else: - # We've update-merged a locally modified file, so - # we set the dirstate to emulate a normal checkout - # of that file some time in the past. Thus our - # merge will appear as a normal local file - # modification. - f_len = len(self.file(f).read(other)) - self.dirstate.update([f], 'n', st_size=f_len, st_mtime=-1) - - remove.sort() - for f in remove: - self.ui.note("removing %s\n" % f) - try: - os.unlink(self.wjoin(f)) - except OSError, inst: - self.ui.warn("update failed to remove %s: %s!\n" % (f, inst)) - # try removing directories that might now be empty - try: os.removedirs(os.path.dirname(self.wjoin(f))) - except: pass - if moddirstate: - if branch_merge: - self.dirstate.update(remove, 'r') - else: - self.dirstate.forget(remove) - - def merge3(self, fn, my, other): - """perform a 3-way merge in the working directory""" - - def temp(prefix, node): - pre = "%s~%s." % (os.path.basename(fn), prefix) - (fd, name) = tempfile.mkstemp("", pre) - f = os.fdopen(fd, "wb") - self.wwrite(fn, fl.read(node), f) - f.close() - return name - - fl = self.file(fn) - base = fl.ancestor(my, other) - a = self.wjoin(fn) - b = temp("base", base) - c = temp("other", other) - - self.ui.note("resolving %s\n" % fn) - self.ui.debug("file %s: other %s ancestor %s\n" % - (fn, short(other), short(base))) - - cmd = (os.environ.get("HGMERGE") or self.ui.config("ui", "merge") - or "hgmerge") - r = os.system("%s %s %s %s" % (cmd, a, b, c)) - if r: - self.ui.warn("merging %s failed!\n" % fn) - - os.unlink(b) - os.unlink(c) - - def verify(self): - filelinkrevs = {} - filenodes = {} - changesets = revisions = files = 0 - errors = 0 - - seen = {} - self.ui.status("checking changesets\n") - for i in range(self.changelog.count()): - changesets += 1 - n = self.changelog.node(i) - if n in seen: - self.ui.warn("duplicate changeset at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.changelog.parents(n): - if p not in self.changelog.nodemap: - self.ui.warn("changeset %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - try: - changes = self.changelog.read(n) - except Exception, inst: - self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst)) - errors += 1 - - for f in changes[3]: - filelinkrevs.setdefault(f, []).append(i) - - seen = {} - self.ui.status("checking manifests\n") - for i in range(self.manifest.count()): - n = self.manifest.node(i) - if n in seen: - self.ui.warn("duplicate manifest at revision %d\n" % i) - errors += 1 - seen[n] = 1 - - for p in self.manifest.parents(n): - if p not in self.manifest.nodemap: - self.ui.warn("manifest %s has unknown parent %s\n" % - (short(n), short(p))) - errors += 1 - - try: - delta = mdiff.patchtext(self.manifest.delta(n)) - except KeyboardInterrupt: - self.ui.warn("aborted") - sys.exit(0) - except Exception, inst: - self.ui.warn("unpacking manifest %s: %s\n" - % (short(n), inst)) - errors += 1 - - ff = [ l.split('\0') for l in delta.splitlines() ] - for f, fn in ff: - filenodes.setdefault(f, {})[bin(fn[:40])] = 1 - - self.ui.status("crosschecking files in changesets and manifests\n") - for f in filenodes: - if f not in filelinkrevs: - self.ui.warn("file %s in manifest but not in changesets\n" % f) - errors += 1 - - for f in filelinkrevs: - if f not in filenodes: - self.ui.warn("file %s in changeset but not in manifest\n" % f) - errors += 1 - - self.ui.status("checking files\n") - ff = filenodes.keys() - ff.sort() - for f in ff: - if f == "/dev/null": continue - files += 1 - fl = self.file(f) - nodes = { nullid: 1 } - seen = {} - for i in range(fl.count()): - revisions += 1 - n = fl.node(i) - - if n in seen: - self.ui.warn("%s: duplicate revision %d\n" % (f, i)) - errors += 1 - - if n not in filenodes[f]: - self.ui.warn("%s: %d:%s not in manifests\n" - % (f, i, short(n))) - errors += 1 - else: - del filenodes[f][n] - - flr = fl.linkrev(n) - if flr not in filelinkrevs[f]: - self.ui.warn("%s:%s points to unexpected changeset %d\n" - % (f, short(n), fl.linkrev(n))) - errors += 1 - else: - filelinkrevs[f].remove(flr) - - # verify contents - try: - t = fl.read(n) - except Exception, inst: - self.ui.warn("unpacking file %s %s: %s\n" - % (f, short(n), inst)) - errors += 1 - - # verify parents - (p1, p2) = fl.parents(n) - if p1 not in nodes: - self.ui.warn("file %s:%s unknown parent 1 %s" % - (f, short(n), short(p1))) - errors += 1 - if p2 not in nodes: - self.ui.warn("file %s:%s unknown parent 2 %s" % - (f, short(n), short(p1))) - errors += 1 - nodes[n] = 1 - - # cross-check - for node in filenodes[f]: - self.ui.warn("node %s in manifests not in %s\n" - % (hex(node), f)) - errors += 1 - - self.ui.status("%d files, %d changesets, %d total revisions\n" % - (files, changesets, revisions)) - - if errors: - self.ui.warn("%d integrity errors encountered!\n" % errors) - return 1 - -class remoterepository: - def local(self): - return False - -class httprepository(remoterepository): - def __init__(self, ui, path): - # fix missing / after hostname - s = urlparse.urlsplit(path) - partial = s[2] - if not partial: partial = "/" - self.url = urlparse.urlunsplit((s[0], s[1], partial, '', '')) - self.ui = ui - no_list = [ "localhost", "127.0.0.1" ] - host = ui.config("http_proxy", "host") - if host is None: - host = os.environ.get("http_proxy") - if host and host.startswith('http://'): - host = host[7:] - user = ui.config("http_proxy", "user") - passwd = ui.config("http_proxy", "passwd") - no = ui.config("http_proxy", "no") - if no is None: - no = os.environ.get("no_proxy") - if no: - no_list = no_list + no.split(",") - - no_proxy = 0 - for h in no_list: - if (path.startswith("http://" + h + "/") or - path.startswith("http://" + h + ":") or - path == "http://" + h): - no_proxy = 1 - - # Note: urllib2 takes proxy values from the environment and those will - # take precedence - for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]: - try: - if os.environ.has_key(env): - del os.environ[env] - except OSError: - pass - - proxy_handler = urllib2.BaseHandler() - if host and not no_proxy: - proxy_handler = urllib2.ProxyHandler({"http" : "http://" + host}) - - authinfo = None - if user and passwd: - passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm() - passmgr.add_password(None, host, user, passwd) - authinfo = urllib2.ProxyBasicAuthHandler(passmgr) - - opener = urllib2.build_opener(proxy_handler, authinfo) - urllib2.install_opener(opener) - - def dev(self): - return -1 - - def do_cmd(self, cmd, **args): - self.ui.debug("sending %s command\n" % cmd) - q = {"cmd": cmd} - q.update(args) - qs = urllib.urlencode(q) - cu = "%s?%s" % (self.url, qs) - resp = urllib2.urlopen(cu) - proto = resp.headers['content-type'] - - # accept old "text/plain" and "application/hg-changegroup" for now - if not proto.startswith('application/mercurial') and \ - not proto.startswith('text/plain') and \ - not proto.startswith('application/hg-changegroup'): - raise RepoError("'%s' does not appear to be an hg repository" - % self.url) - - if proto.startswith('application/mercurial'): - version = proto[22:] - if float(version) > 0.1: - raise RepoError("'%s' uses newer protocol %s" % - (self.url, version)) - - return resp - - def heads(self): - d = self.do_cmd("heads").read() - try: - return map(bin, d[:-1].split(" ")) - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def branches(self, nodes): - n = " ".join(map(hex, nodes)) - d = self.do_cmd("branches", nodes=n).read() - try: - br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] - return br - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def between(self, pairs): - n = "\n".join(["-".join(map(hex, p)) for p in pairs]) - d = self.do_cmd("between", pairs=n).read() - try: - p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] - return p - except: - self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n") - raise - - def changegroup(self, nodes): - n = " ".join(map(hex, nodes)) - f = self.do_cmd("changegroup", roots=n) - bytes = 0 - - class zread: - def __init__(self, f): - self.zd = zlib.decompressobj() - self.f = f - self.buf = "" - def read(self, l): - while l > len(self.buf): - r = self.f.read(4096) - if r: - self.buf += self.zd.decompress(r) - else: - self.buf += self.zd.flush() - break - d, self.buf = self.buf[:l], self.buf[l:] - return d - - return zread(f) - -class remotelock: - def __init__(self, repo): - self.repo = repo - def release(self): - self.repo.unlock() - self.repo = None - def __del__(self): - if self.repo: - self.release() +import os, re, select class sshrepository(remoterepository): def __init__(self, ui, path): @@ -2276,21 +125,3 @@ class sshrepository(remoterepository): self.readerr() l = int(self.pipei.readline()) return self.pipei.read(l) != "" - -class httpsrepository(httprepository): - pass - -def repository(ui, path=None, create=0): - if path: - if path.startswith("http://"): - return httprepository(ui, path) - if path.startswith("https://"): - return httpsrepository(ui, path) - if path.startswith("hg://"): - return httprepository(ui, path.replace("hg://", "http://")) - if path.startswith("old-http://"): - return localrepository(ui, path.replace("old-http://", "http://")) - if path.startswith("ssh://"): - return sshrepository(ui, path) - - return localrepository(ui, path, create)