Removed duplicate use of os.path.normcase().

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Removed duplicate use of os.path.normcase().

manifest hash: cccacfb66a4de9abc20095b28e6bab9b51dc4fa9
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mercurial/commands.py

@@ -1,1354 +1,1354 b''
 # commands.py - command processing for mercurial
 #
 # Copyright 2005 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms
 # of the GNU General Public License, incorporated herein by reference.
 
 from demandload import demandload
 demandload(globals(), "os re sys signal shutil")
 demandload(globals(), "fancyopts ui hg util")
 demandload(globals(), "fnmatch hgweb mdiff random signal time traceback")
 demandload(globals(), "errno socket version struct")
 
 class UnknownCommand(Exception):
     """Exception raised if command is not in the command table."""
 
 def filterfiles(filters, files):
     l = [x for x in files if x in filters]
 
     for t in filters:
         if t and t[-1] != "/":
             t += "/"
         l += [x for x in files if x.startswith(t)]
     return l
 
 def relfilter(repo, files):
     cwd = repo.getcwd()
     if cwd:
         return filterfiles([util.pconvert(cwd)], files)
     return files
 
 def relpath(repo, args):
     cwd = repo.getcwd()
     if cwd:
         return [util.pconvert(os.path.normpath(os.path.join(cwd, x)))
                 for x in args]
     return args
 
 revrangesep = ':'
 
 def revrange(ui, repo, revs, revlog=None):
     if revlog is None:
         revlog = repo.changelog
     revcount = revlog.count()
     def fix(val, defval):
         if not val:
             return defval
         try:
             num = int(val)
             if str(num) != val:
                 raise ValueError
             if num < 0:
                 num += revcount
             if not (0 <= num < revcount):
                 raise ValueError
         except ValueError:
             try:
                 num = repo.changelog.rev(repo.lookup(val))
             except KeyError:
                 try:
                     num = revlog.rev(revlog.lookup(val))
                 except KeyError:
                     ui.warn('abort: invalid revision identifier %s\n' % val)
                     sys.exit(1)
         return num
     for spec in revs:
         if spec.find(revrangesep) >= 0:
             start, end = spec.split(revrangesep, 1)
             start = fix(start, 0)
             end = fix(end, revcount - 1)
             if end > start:
                 end += 1
                 step = 1
             else:
                 end -= 1
                 step = -1
             for rev in xrange(start, end, step):
                 yield str(rev)
         else:
             yield spec
 
 def make_filename(repo, r, pat, node=None,
                   total=None, seqno=None, revwidth=None):
     node_expander = {
         'H': lambda: hg.hex(node),
         'R': lambda: str(r.rev(node)),
         'h': lambda: hg.short(node),
         }
     expander = {
         '%': lambda: '%',
         'b': lambda: os.path.basename(repo.root),
         }
 
     if node:
         expander.update(node_expander)
     if node and revwidth is not None:
         expander['r'] = lambda: str(r.rev(node)).zfill(revwidth)
     if total is not None:
         expander['N'] = lambda: str(total)
     if seqno is not None:
         expander['n'] = lambda: str(seqno)
     if total is not None and seqno is not None:
         expander['n'] = lambda:str(seqno).zfill(len(str(total)))
 
     newname = []
     patlen = len(pat)
     i = 0
     while i < patlen:
         c = pat[i]
         if c == '%':
             i += 1
             c = pat[i]
             c = expander[c]()
         newname.append(c)
         i += 1
     return ''.join(newname)
 
 def dodiff(fp, ui, repo, files = None, node1 = None, node2 = None):
     def date(c):
         return time.asctime(time.gmtime(float(c[2].split(' ')[0])))
 
     (c, a, d, u) = repo.changes(node1, node2, files)
     if files:
         c, a, d = map(lambda x: filterfiles(files, x), (c, a, d))
 
     if not c and not a and not d:
         return
 
     if node2:
         change = repo.changelog.read(node2)
         mmap2 = repo.manifest.read(change[0])
         date2 = date(change)
         def read(f):
             return repo.file(f).read(mmap2[f])
     else:
         date2 = time.asctime()
         if not node1:
             node1 = repo.dirstate.parents()[0]
         def read(f):
             return repo.wfile(f).read()
 
     if ui.quiet:
         r = None
     else:
         hexfunc = ui.verbose and hg.hex or hg.short
         r = [hexfunc(node) for node in [node1, node2] if node]
 
     change = repo.changelog.read(node1)
     mmap = repo.manifest.read(change[0])
     date1 = date(change)
 
     for f in c:
         to = None
         if f in mmap:
             to = repo.file(f).read(mmap[f])
         tn = read(f)
         fp.write(mdiff.unidiff(to, date1, tn, date2, f, r))
     for f in a:
         to = None
         tn = read(f)
         fp.write(mdiff.unidiff(to, date1, tn, date2, f, r))
     for f in d:
         to = repo.file(f).read(mmap[f])
         tn = None
         fp.write(mdiff.unidiff(to, date1, tn, date2, f, r))
 
 def show_changeset(ui, repo, rev=0, changenode=None, filelog=None):
     """show a single changeset or file revision"""
     changelog = repo.changelog
     if filelog:
         log = filelog
         filerev = rev
         node = filenode = filelog.node(filerev)
         changerev = filelog.linkrev(filenode)
         changenode = changenode or changelog.node(changerev)
     else:
         log = changelog
         changerev = rev
         if changenode is None:
             changenode = changelog.node(changerev)
         elif not changerev:
             rev = changerev = changelog.rev(changenode)
         node = changenode
 
     if ui.quiet:
         ui.write("%d:%s\n" % (rev, hg.hex(node)))
         return
 
     changes = changelog.read(changenode)
 
     parents = [(log.rev(parent), hg.hex(parent))
                for parent in log.parents(node)
                if ui.debugflag or parent != hg.nullid]
     if not ui.debugflag and len(parents) == 1 and parents[0][0] == rev-1:
         parents = []
 
     ui.write("changeset:   %d:%s\n" % (changerev, hg.hex(changenode)))
     for tag in repo.nodetags(changenode):
         ui.status("tag:         %s\n" % tag)
     for parent in parents:
         ui.write("parent:      %d:%s\n" % parent)
     if filelog:
         ui.debug("file rev:    %d:%s\n" % (filerev, hg.hex(filenode)))
     ui.note("manifest:    %d:%s\n" % (repo.manifest.rev(changes[0]),
                                       hg.hex(changes[0])))
     ui.status("user:        %s\n" % changes[1])
     ui.status("date:        %s\n" % time.asctime(
         time.localtime(float(changes[2].split(' ')[0]))))
     if ui.debugflag:
         files = repo.changes(changelog.parents(changenode)[0], changenode)
         for key, value in zip(["files:", "files+:", "files-:"], files):
             if value:
                 ui.note("%-12s %s\n" % (key, " ".join(value)))
     else:
         ui.note("files:       %s\n" % " ".join(changes[3]))
     description = changes[4].strip()
     if description:
         if ui.verbose:
             ui.status("description:\n")
             ui.status(description)
             ui.status("\n\n")
         else:
             ui.status("summary:     %s\n" % description.splitlines()[0])
     ui.status("\n")
 
 def show_version(ui):
     """output version and copyright information"""
     ui.write("Mercurial version %s\n" % version.get_version())
     ui.status(
         "\nCopyright (C) 2005 Matt Mackall <[e-mail]>\n"
         "This is free software; see the source for copying conditions. "
         "There is NO\nwarranty; "
         "not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
     )
 
 def help_(ui, cmd=None):
     """show help for a given command or all commands"""
     if cmd:
         try:
             i = find(cmd)
             ui.write("%s\n\n" % i[2])
 
             if i[1]:
                 for s, l, d, c in i[1]:
                     opt = ' '
                     if s:
                         opt = opt + '-' + s + ' '
                     if l:
                         opt = opt + '--' + l + ' '
                     if d:
                         opt = opt + '(' + str(d) + ')'
                     ui.write(opt, "\n")
                     if c:
                         ui.write('   %s\n' % c)
                 ui.write("\n")
 
             ui.write(i[0].__doc__, "\n")
         except UnknownCommand:
             ui.warn("hg: unknown command %s\n" % cmd)
         sys.exit(0)
     else:
         if ui.verbose:
             show_version(ui)
             ui.write('\n')
         if ui.verbose:
             ui.write('hg commands:\n\n')
         else:
             ui.write('basic hg commands (use "hg help -v" for more):\n\n')
 
         h = {}
         for c, e in table.items():
             f = c.split("|")[0]
             if not ui.verbose and not f.startswith("^"):
                 continue
             if not ui.debugflag and f.startswith("debug"):
                 continue
             f = f.lstrip("^")
             d = ""
             if e[0].__doc__:
                 d = e[0].__doc__.splitlines(0)[0].rstrip()
             h[f] = d
 
         fns = h.keys()
         fns.sort()
         m = max(map(len, fns))
         for f in fns:
             ui.write(' %-*s   %s\n' % (m, f, h[f]))
 
 # Commands start here, listed alphabetically
 
 def add(ui, repo, file1, *files):
     '''add the specified files on the next commit'''
     repo.add(relpath(repo, (file1,) + files))
 
 def addremove(ui, repo, *files):
     """add all new files, delete all missing files"""
     if files:
         files = relpath(repo, files)
         d = []
         u = []
         for f in files:
             p = repo.wjoin(f)
             s = repo.dirstate.state(f)
             isfile = os.path.isfile(p)
             if s != 'r' and not isfile:
                 d.append(f)
             elif s not in 'nmai' and isfile:
                 u.append(f)
     else:
         (c, a, d, u) = repo.changes(None, None)
     repo.add(u)
     repo.remove(d)
 
 def annotate(u, repo, file1, *files, **ops):
     """show changeset information per file line"""
     def getnode(rev):
         return hg.short(repo.changelog.node(rev))
 
     def getname(rev):
         try:
             return bcache[rev]
         except KeyError:
             cl = repo.changelog.read(repo.changelog.node(rev))
             name = cl[1]
             f = name.find('@')
             if f >= 0:
                 name = name[:f]
             f = name.find('<')
             if f >= 0:
                 name = name[f+1:]
             bcache[rev] = name
             return name
 
     bcache = {}
     opmap = [['user', getname], ['number', str], ['changeset', getnode]]
     if not ops['user'] and not ops['changeset']:
         ops['number'] = 1
 
     node = repo.dirstate.parents()[0]
     if ops['revision']:
         node = repo.changelog.lookup(ops['revision'])
     change = repo.changelog.read(node)
     mmap = repo.manifest.read(change[0])
     for f in relpath(repo, (file1,) + files):
         lines = repo.file(f).annotate(mmap[f])
         pieces = []
 
         for o, f in opmap:
             if ops[o]:
                 l = [f(n) for n, dummy in lines]
                 m = max(map(len, l))
                 pieces.append(["%*s" % (m, x) for x in l])
 
         for p, l in zip(zip(*pieces), lines):
             u.write(" ".join(p) + ": " + l[1])
 
 def cat(ui, repo, file1, rev=None, **opts):
     """output the latest or given revision of a file"""
     r = repo.file(relpath(repo, [file1])[0])
     if rev:
         n = r.lookup(rev)
     else:
         n = r.tip()
     if opts['output'] and opts['output'] != '-':
         try:
             outname = make_filename(repo, r, opts['output'], node=n)
             fp = open(outname, 'wb')
         except KeyError, inst:
             ui.warn("error: invlaid format spec '%%%s' in output file name\n" %
                     inst.args[0])
             sys.exit(1);
     else:
         fp = sys.stdout
     fp.write(r.read(n))
 
 def clone(ui, source, dest=None, **opts):
     """make a copy of an existing repository"""
     if dest is None:
         dest = os.path.basename(os.path.normpath(source))
 
     if os.path.exists(dest):
         ui.warn("abort: destination '%s' already exists\n" % dest)
         return 1
 
     class Dircleanup:
         def __init__(self, dir_):
             self.rmtree = shutil.rmtree
             self.dir_ = dir_
             os.mkdir(dir_)
         def close(self):
             self.dir_ = None
         def __del__(self):
             if self.dir_:
                 self.rmtree(self.dir_, True)
 
     d = Dircleanup(dest)
     abspath = source
     source = ui.expandpath(source)
     other = hg.repository(ui, source)
 
     if other.dev() != -1:
         abspath = os.path.abspath(source)
         copyfile = (os.stat(dest).st_dev == other.dev()
                     and getattr(os, 'link', None) or shutil.copy2)
         if copyfile is not shutil.copy2:
             ui.note("cloning by hardlink\n")
         util.copytree(os.path.join(source, ".hg"), os.path.join(dest, ".hg"),
                       copyfile)
         try:
             os.unlink(os.path.join(dest, ".hg", "dirstate"))
         except IOError:
             pass
 
         repo = hg.repository(ui, dest)
 
     else:
         repo = hg.repository(ui, dest, create=1)
         repo.pull(other)
 
     f = repo.opener("hgrc", "w")
     f.write("[paths]\n")
     f.write("default = %s\n" % abspath)
 
     if not opts['noupdate']:
         update(ui, repo)
 
     d.close()
 
 def commit(ui, repo, *files, **opts):
     """commit the specified files or all outstanding changes"""
     text = opts['text']
     logfile = opts['logfile']
     if not text and logfile:
         try:
             text = open(logfile).read()
         except IOError, why:
             ui.warn("Can't read commit text %s: %s\n" % (logfile, why))
 
     if opts['addremove']:
         addremove(ui, repo, *files)
     repo.commit(relpath(repo, files), text, opts['user'], opts['date'])
 
 def copy(ui, repo, source, dest):
     """mark a file as copied or renamed for the next commit"""
     return repo.copy(*relpath(repo, (source, dest)))
 
 def debugcheckstate(ui, repo):
     """validate the correctness of the current dirstate"""
     parent1, parent2 = repo.dirstate.parents()
     repo.dirstate.read()
     dc = repo.dirstate.map
     keys = dc.keys()
     keys.sort()
     m1n = repo.changelog.read(parent1)[0]
     m2n = repo.changelog.read(parent2)[0]
     m1 = repo.manifest.read(m1n)
     m2 = repo.manifest.read(m2n)
     errors = 0
     for f in dc:
         state = repo.dirstate.state(f)
         if state in "nr" and f not in m1:
             ui.warn("%s in state %s, but not in manifest1\n" % (f, state))
             errors += 1
         if state in "a" and f in m1:
             ui.warn("%s in state %s, but also in manifest1\n" % (f, state))
             errors += 1
         if state in "m" and f not in m1 and f not in m2:
             ui.warn("%s in state %s, but not in either manifest\n" %
                     (f, state))
             errors += 1
     for f in m1:
         state = repo.dirstate.state(f)
         if state not in "nrm":
             ui.warn("%s in manifest1, but listed as state %s" % (f, state))
             errors += 1
     if errors:
         ui.warn(".hg/dirstate inconsistent with current parent's manifest\n")
         sys.exit(1)
 
 def debugstate(ui, repo):
     """show the contents of the current dirstate"""
     repo.dirstate.read()
     dc = repo.dirstate.map
     keys = dc.keys()
     keys.sort()
     for file_ in keys:
         ui.write("%c %s\n" % (dc[file_][0], file_))
 
 def debugindex(ui, file_):
     """dump the contents of an index file"""
     r = hg.revlog(hg.opener(""), file_, "")
     ui.write("   rev    offset  length   base linkrev" +
              " p1           p2           nodeid\n")
     for i in range(r.count()):
         e = r.index[i]
         ui.write("% 6d % 9d % 7d % 6d % 7d %s.. %s.. %s..\n" % (
                 i, e[0], e[1], e[2], e[3],
             hg.hex(e[4][:5]), hg.hex(e[5][:5]), hg.hex(e[6][:5])))
 
 def debugindexdot(ui, file_):
     """dump an index DAG as a .dot file"""
     r = hg.revlog(hg.opener(""), file_, "")
     ui.write("digraph G {\n")
     for i in range(r.count()):
         e = r.index[i]
         ui.write("\t%d -> %d\n" % (r.rev(e[4]), i))
         if e[5] != hg.nullid:
             ui.write("\t%d -> %d\n" % (r.rev(e[5]), i))
     ui.write("}\n")
 
 def diff(ui, repo, *files, **opts):
     """diff working directory (or selected files)"""
     revs = []
     if opts['rev']:
         revs = map(lambda x: repo.lookup(x), opts['rev'])
 
     if len(revs) > 2:
         ui.warn("too many revisions to diff\n")
         sys.exit(1)
 
     if files:
         files = relpath(repo, files)
     else:
         files = relpath(repo, [""])
 
     dodiff(sys.stdout, ui, repo, files, *revs)
 
 def doexport(ui, repo, changeset, seqno, total, revwidth, opts):
     node = repo.lookup(changeset)
     prev, other = repo.changelog.parents(node)
     change = repo.changelog.read(node)
 
     if opts['output'] and opts['output'] != '-':
         try:
             outname = make_filename(repo, repo.changelog, opts['output'],
                                     node=node, total=total, seqno=seqno,
                                     revwidth=revwidth)
             fp = open(outname, 'wb')
         except KeyError, inst:
             ui.warn("error: invalid format spec '%%%s' in output file name\n" %
                     inst.args[0])
             sys.exit(1)
     else:
         fp = sys.stdout
 
     fp.write("# HG changeset patch\n")
     fp.write("# User %s\n" % change[1])
     fp.write("# Node ID %s\n" % hg.hex(node))
     fp.write("# Parent  %s\n" % hg.hex(prev))
     if other != hg.nullid:
         fp.write("# Parent  %s\n" % hg.hex(other))
     fp.write(change[4].rstrip())
     fp.write("\n\n")
 
     dodiff(fp, ui, repo, None, prev, node)
 
 def export(ui, repo, *changesets, **opts):
     """dump the header and diffs for one or more changesets"""
     if not changesets:
         ui.warn("error: export requires at least one changeset\n")
         sys.exit(1)
     seqno = 0
     revs = list(revrange(ui, repo, changesets))
     total = len(revs)
     revwidth = max(len(revs[0]), len(revs[-1]))
     for cset in revs:
         seqno += 1
         doexport(ui, repo, cset, seqno, total, revwidth, opts)
 
 def forget(ui, repo, file1, *files):
     """don't add the specified files on the next commit"""
     repo.forget(relpath(repo, (file1,) + files))
 
 def heads(ui, repo):
     """show current repository heads"""
     for n in repo.changelog.heads():
         show_changeset(ui, repo, changenode=n)
 
 def identify(ui, repo):
     """print information about the working copy"""
     parents = [p for p in repo.dirstate.parents() if p != hg.nullid]
     if not parents:
         ui.write("unknown\n")
         return
 
     hexfunc = ui.verbose and hg.hex or hg.short
     (c, a, d, u) = repo.changes(None, None)
     output = ["%s%s" % ('+'.join([hexfunc(parent) for parent in parents]),
                         (c or a or d) and "+" or "")]
 
     if not ui.quiet:
         # multiple tags for a single parent separated by '/'
         parenttags = ['/'.join(tags)
                       for tags in map(repo.nodetags, parents) if tags]
         # tags for multiple parents separated by ' + '
         output.append(' + '.join(parenttags))
 
     ui.write("%s\n" % ' '.join(output))
 
 def import_(ui, repo, patch1, *patches, **opts):
     """import an ordered set of patches"""
     try:
         import psyco
         psyco.full()
     except ImportError:
         pass
 
     patches = (patch1,) + patches
 
     d = opts["base"]
     strip = opts["strip"]
 
     for patch in patches:
         ui.status("applying %s\n" % patch)
         pf = os.path.join(d, patch)
 
         text = ""
         for l in file(pf):
             if l.startswith("--- ") or l.startswith("diff -r"):
                 break
             text += l
 
         # parse values that exist when importing the result of an hg export
         hgpatch = user = snippet = None
         ui.debug('text:\n')
         for t in text.splitlines():
             ui.debug(t, '\n')
             if t == '# HG changeset patch' or hgpatch:
                 hgpatch = True
                 if t.startswith("# User "):
                     user = t[7:]
                     ui.debug('User: %s\n' % user)
                 if not t.startswith("# ") and t.strip() and not snippet:
                     snippet = t
         if snippet:
             text = snippet + '\n' + text
         ui.debug('text:\n%s\n' % text)
 
         # make sure text isn't empty
         if not text:
             text = "imported patch %s\n" % patch
 
         f = os.popen("patch -p%d < %s" % (strip, pf))
         files = []
         for l in f.read().splitlines():
             l.rstrip('\r\n');
             ui.status("%s\n" % l)
             if l.startswith('patching file '):
                 pf = l[14:]
                 if pf not in files:
                     files.append(pf)
         patcherr = f.close()
         if patcherr:
             sys.stderr.write("patch failed")
             sys.exit(1)
 
         if len(files) > 0:
             addremove(ui, repo, *files)
         repo.commit(files, text, user)
 
 def init(ui, source=None):
     """create a new repository in the current directory"""
 
     if source:
         ui.warn("no longer supported: use \"hg clone\" instead\n")
         sys.exit(1)
     hg.repository(ui, ".", create=1)
 
 def locate(ui, repo, *pats, **opts):
     """locate files matching specific patterns"""
     if [p for p in pats if os.sep in p]:
         ui.warn("error: patterns may not contain '%s'\n" % os.sep)
         ui.warn("use '-i <dir>' instead\n")
         sys.exit(1)
     def compile(pats, head='^', tail=os.sep, on_empty=True):
         if not pats:
             class c:
                 def match(self, x):
                     return on_empty
             return c()
         fnpats = [fnmatch.translate(os.path.normpath(os.path.normcase(p)))[:-1]
                   for p in pats]
         regexp = r'%s(?:%s)%s' % (head, '|'.join(fnpats), tail)
         return re.compile(regexp)
     exclude = compile(opts['exclude'], on_empty=False)
     include = compile(opts['include'])
-    pat = compile([os.path.normcase(p) for p in pats], head='', tail='$')
+    pat = compile(pats, head='', tail='$')
     end = opts['print0'] and '\0' or '\n'
     if opts['rev']:
         node = repo.manifest.lookup(opts['rev'])
     else:
         node = repo.manifest.tip()
     manifest = repo.manifest.read(node)
     cwd = repo.getcwd()
     cwd_plus = cwd and (cwd + os.sep)
     found = []
     for f in manifest:
         f = os.path.normcase(f)
         if exclude.match(f) or not(include.match(f) and
                                    f.startswith(cwd_plus) and
                                    pat.match(os.path.basename(f))):
             continue
         if opts['fullpath']:
             f = os.path.join(repo.root, f)
         elif cwd:
             f = f[len(cwd_plus):]
         found.append(f)
     found.sort()
     for f in found:
         ui.write(f, end)
 
 def log(ui, repo, f=None, **opts):
     """show the revision history of the repository or a single file"""
     if f:
         files = relpath(repo, [f])
         filelog = repo.file(files[0])
         log = filelog
         lookup = filelog.lookup
     else:
         files = None
         filelog = None
         log = repo.changelog
         lookup = repo.lookup
     revlist = []
     revs = [log.rev(lookup(rev)) for rev in opts['rev']]
     while revs:
         if len(revs) == 1:
             revlist.append(revs.pop(0))
         else:
             a = revs.pop(0)
             b = revs.pop(0)
             off = a > b and -1 or 1
             revlist.extend(range(a, b + off, off))
 
     for i in revlist or range(log.count() - 1, -1, -1):
         show_changeset(ui, repo, filelog=filelog, rev=i)
         if opts['patch']:
             if filelog:
                 filenode = filelog.node(i)
                 i = filelog.linkrev(filenode)
             changenode = repo.changelog.node(i)
             prev, other = repo.changelog.parents(changenode)
             dodiff(sys.stdout, ui, repo, files, prev, changenode)
             ui.write("\n\n")
 
 def manifest(ui, repo, rev=None):
     """output the latest or given revision of the project manifest"""
     if rev:
         try:
             # assume all revision numbers are for changesets
             n = repo.lookup(rev)
             change = repo.changelog.read(n)
             n = change[0]
         except hg.RepoError:
             n = repo.manifest.lookup(rev)
     else:
         n = repo.manifest.tip()
     m = repo.manifest.read(n)
     mf = repo.manifest.readflags(n)
     files = m.keys()
     files.sort()
 
     for f in files:
         ui.write("%40s %3s %s\n" % (hg.hex(m[f]), mf[f] and "755" or "644", f))
 
 def parents(ui, repo, node = None):
     '''show the parents of the current working dir'''
     if node:
         p = repo.changelog.parents(repo.lookup(hg.bin(node)))
     else:
         p = repo.dirstate.parents()
 
     for n in p:
         if n != hg.nullid:
             show_changeset(ui, repo, changenode=n)
 
 def pull(ui, repo, source="default", **opts):
     """pull changes from the specified source"""
     source = ui.expandpath(source)
     ui.status('pulling from %s\n' % (source))
 
     other = hg.repository(ui, source)
     r = repo.pull(other)
     if not r:
         if opts['update']:
             return update(ui, repo)
         else:
             ui.status("(run 'hg update' to get a working copy)\n")
 
     return r
 
 def push(ui, repo, dest="default-push"):
     """push changes to the specified destination"""
     dest = ui.expandpath(dest)
     ui.status('pushing to %s\n' % (dest))
 
     other = hg.repository(ui, dest)
     r = repo.push(other)
     return r
 
 def rawcommit(ui, repo, *flist, **rc):
     "raw commit interface"
 
     text = rc['text']
     if not text and rc['logfile']:
         try:
             text = open(rc['logfile']).read()
         except IOError:
             pass
     if not text and not rc['logfile']:
         ui.warn("abort: missing commit text\n")
         return 1
 
     files = relpath(repo, list(flist))
     if rc['files']:
         files += open(rc['files']).read().splitlines()
 
     rc['parent'] = map(repo.lookup, rc['parent'])
 
     repo.rawcommit(files, text, rc['user'], rc['date'], *rc['parent'])
 
 def recover(ui, repo):
     """roll back an interrupted transaction"""
     repo.recover()
 
 def remove(ui, repo, file1, *files):
     """remove the specified files on the next commit"""
     repo.remove(relpath(repo, (file1,) + files))
 
 def revert(ui, repo, *names, **opts):
     """revert modified files or dirs back to their unmodified states"""
     node = opts['rev'] and repo.lookup(opts['rev']) or \
            repo.dirstate.parents()[0]
     root = os.path.realpath(repo.root)
 
     def trimpath(p):
         p = os.path.realpath(p)
         if p.startswith(root):
             rest = p[len(root):]
             if not rest:
                 return rest
             if p.startswith(os.sep):
                 return rest[1:]
             return p
 
     relnames = map(trimpath, names or [os.getcwd()])
     chosen = {}
 
     def choose(name):
         def body(name):
             for r in relnames:
                 if not name.startswith(r):
                     continue
                 rest = name[len(r):]
                 if not rest:
                     return r, True
                 depth = rest.count(os.sep)
                 if not r:
                     if depth == 0 or not opts['nonrecursive']:
                         return r, True
                 elif rest[0] == os.sep:
                     if depth == 1 or not opts['nonrecursive']:
                         return r, True
             return None, False
         relname, ret = body(name)
         if ret:
             chosen[relname] = 1
         return ret
 
     r = repo.update(node, False, True, choose, False)
     for n in relnames:
         if n not in chosen:
             ui.warn('error: no matches for %s\n' % n)
             r = 1
     sys.stdout.flush()
     return r
 
 def root(ui, repo):
     """print the root (top) of the current working dir"""
     ui.write(repo.root + "\n")
 
 def serve(ui, repo, **opts):
     """export the repository via HTTP"""
 
     if opts["stdio"]:
         fin, fout = sys.stdin, sys.stdout
         sys.stdout = sys.stderr
 
         def getarg():
             argline = fin.readline()[:-1]
             arg, l = argline.split()
             val = fin.read(int(l))
             return arg, val
         def respond(v):
             fout.write("%d\n" % len(v))
             fout.write(v)
             fout.flush()
 
         lock = None
 
         while 1:
             cmd = fin.readline()[:-1]
             if cmd == '':
                 return
             if cmd == "heads":
                 h = repo.heads()
                 respond(" ".join(map(hg.hex, h)) + "\n")
             if cmd == "lock":
                 lock = repo.lock()
                 respond("")
             if cmd == "unlock":
                 if lock:
                     lock.release()
                 lock = None
                 respond("")
             elif cmd == "branches":
                 arg, nodes = getarg()
                 nodes = map(hg.bin, nodes.split(" "))
                 r = []
                 for b in repo.branches(nodes):
                     r.append(" ".join(map(hg.hex, b)) + "\n")
                 respond("".join(r))
             elif cmd == "between":
                 arg, pairs = getarg()
                 pairs = [map(hg.bin, p.split("-")) for p in pairs.split(" ")]
                 r = []
                 for b in repo.between(pairs):
                     r.append(" ".join(map(hg.hex, b)) + "\n")
                 respond("".join(r))
             elif cmd == "changegroup":
                 nodes = []
                 arg, roots = getarg()
                 nodes = map(hg.bin, roots.split(" "))
 
                 cg = repo.changegroup(nodes)
                 while 1:
                     d = cg.read(4096)
                     if not d:
                         break
                     fout.write(d)
 
                 fout.flush()
 
             elif cmd == "addchangegroup":
                 if not lock:
                     respond("not locked")
                     continue
                 respond("")
 
                 r = repo.addchangegroup(fin)
                 respond("")
 
     def openlog(opt, default):
         if opts[opt] and opts[opt] != '-':
             return open(opts[opt], 'w')
         else:
             return default
 
     httpd = hgweb.create_server(repo.root, opts["name"], opts["templates"],
                                 opts["address"], opts["port"],
                                 openlog('accesslog', sys.stdout),
                                 openlog('errorlog', sys.stderr))
     if ui.verbose:
         addr, port = httpd.socket.getsockname()
         if addr == '0.0.0.0':
             addr = socket.gethostname()
         else:
             try:
                 addr = socket.gethostbyaddr(addr)[0]
             except socket.error:
                 pass
         if port != 80:
             ui.status('listening at http://%s:%d/\n' % (addr, port))
         else:
             ui.status('listening at http://%s/\n' % addr)
     httpd.serve_forever()
 
 def status(ui, repo):
     '''show changed files in the working directory
 
     C = changed
     A = added
     R = removed
     ? = not tracked'''
 
     (c, a, d, u) = repo.changes(None, None)
     (c, a, d, u) = map(lambda x: relfilter(repo, x), (c, a, d, u))
 
     for f in c:
         ui.write("C ", f, "\n")
     for f in a:
         ui.write("A ", f, "\n")
     for f in d:
         ui.write("R ", f, "\n")
     for f in u:
         ui.write("? ", f, "\n")
 
 def tag(ui, repo, name, rev = None, **opts):
     """add a tag for the current tip or a given revision"""
 
     if name == "tip":
         ui.warn("abort: 'tip' is a reserved name!\n")
         return -1
     if rev:
         r = hg.hex(repo.lookup(rev))
     else:
         r = hg.hex(repo.changelog.tip())
 
     if name.find(revrangesep) >= 0:
         ui.warn("abort: '%s' cannot be used in a tag name\n" % revrangesep)
         return -1
 
     if opts['local']:
         repo.opener("localtags", "a").write("%s %s\n" % (r, name))
         return
 
     (c, a, d, u) = repo.changes(None, None)
     for x in (c, a, d, u):
         if ".hgtags" in x:
             ui.warn("abort: working copy of .hgtags is changed!\n")
             ui.status("(please commit .hgtags manually)\n")
             return -1
 
     add = not os.path.exists(repo.wjoin(".hgtags"))
     repo.wfile(".hgtags", "ab").write("%s %s\n" % (r, name))
     if add:
         repo.add([".hgtags"])
 
     if not opts['text']:
         opts['text'] = "Added tag %s for changeset %s" % (name, r)
 
     repo.commit([".hgtags"], opts['text'], opts['user'], opts['date'])
 
 def tags(ui, repo):
     """list repository tags"""
 
     l = repo.tagslist()
     l.reverse()
     for t, n in l:
         try:
             r = "%5d:%s" % (repo.changelog.rev(n), hg.hex(n))
         except KeyError:
             r = "    ?:?"
         ui.write("%-30s %s\n" % (t, r))
 
 def tip(ui, repo):
     """show the tip revision"""
     n = repo.changelog.tip()
     show_changeset(ui, repo, changenode=n)
 
 def undo(ui, repo):
     """undo the last commit or pull
 
     Roll back the last pull or commit transaction on the
     repository, restoring the project to its earlier state.
 
     This command should be used with care. There is only one level of
     undo and there is no redo.
 
     This command is not intended for use on public repositories. Once
     a change is visible for pull by other users, undoing it locally is
     ineffective.
     """
     repo.undo()
 
 def update(ui, repo, node=None, merge=False, clean=False):
     '''update or merge working directory
 
     If there are no outstanding changes in the working directory and
     there is a linear relationship between the current version and the
     requested version, the result is the requested version.
 
     Otherwise the result is a merge between the contents of the
     current working directory and the requested version. Files that
     changed between either parent are marked as changed for the next
     commit and a commit must be performed before any further updates
     are allowed.
     '''
     node = node and repo.lookup(node) or repo.changelog.tip()
     return repo.update(node, allow=merge, force=clean)
 
 def verify(ui, repo):
     """verify the integrity of the repository"""
     return repo.verify()
 
 # Command options and aliases are listed here, alphabetically
 
 table = {
     "^add": (add, [], "hg add [files]"),
     "addremove": (addremove, [], "hg addremove [files]"),
     "^annotate":
         (annotate,
          [('r', 'revision', '', 'revision'),
           ('u', 'user', None, 'show user'),
           ('n', 'number', None, 'show revision number'),
           ('c', 'changeset', None, 'show changeset')],
          'hg annotate [-u] [-c] [-n] [-r id] [files]'),
     "cat":
         (cat,
          [('o', 'output', "", 'output to file')],
          'hg cat [-o outfile] <file> [rev]'),
     "^clone":
         (clone,
          [('U', 'noupdate', None, 'skip update after cloning')],
          'hg clone [options] <source> [dest]'),
     "^commit|ci":
         (commit,
          [('t', 'text', "", 'commit text'),
           ('A', 'addremove', None, 'run add/remove during commit'),
           ('l', 'logfile', "", 'commit text file'),
           ('d', 'date', "", 'date code'),
           ('u', 'user', "", 'user')],
          'hg commit [files]'),
     "copy": (copy, [], 'hg copy <source> <dest>'),
     "debugcheckstate": (debugcheckstate, [], 'debugcheckstate'),
     "debugstate": (debugstate, [], 'debugstate'),
     "debugindex": (debugindex, [], 'debugindex <file>'),
     "debugindexdot": (debugindexdot, [], 'debugindexdot <file>'),
     "^diff":
         (diff,
          [('r', 'rev', [], 'revision')],
          'hg diff [-r A] [-r B] [files]'),
     "^export":
         (export,
          [('o', 'output', "", 'output to file')],
          "hg export [-o file] <changeset> ..."),
     "forget": (forget, [], "hg forget [files]"),
     "heads": (heads, [], 'hg heads'),
     "help": (help_, [], 'hg help [command]'),
     "identify|id": (identify, [], 'hg identify'),
     "import|patch":
         (import_,
          [('p', 'strip', 1, 'path strip'),
           ('b', 'base', "", 'base path')],
          "hg import [options] <patches>"),
     "^init": (init, [], 'hg init'),
     "locate":
         (locate,
          [('0', 'print0', None, 'end records with NUL'),
           ('f', 'fullpath', None, 'print complete paths'),
           ('i', 'include', [], 'include path in search'),
           ('r', 'rev', '', 'revision'),
           ('x', 'exclude', [], 'exclude path from search')],
          'hg locate [options] [files]'),
     "^log|history":
         (log,
          [('r', 'rev', [], 'revision'),
           ('p', 'patch', None, 'show patch')],
          'hg log [-r A] [-r B] [-p] [file]'),
     "manifest": (manifest, [], 'hg manifest [rev]'),
     "parents": (parents, [], 'hg parents [node]'),
     "^pull":
         (pull,
          [('u', 'update', None, 'update working directory')],
          'hg pull [options] [source]'),
     "^push": (push, [], 'hg push <destination>'),
     "rawcommit":
         (rawcommit,
          [('p', 'parent', [], 'parent'),
           ('d', 'date', "", 'date code'),
           ('u', 'user', "", 'user'),
           ('F', 'files', "", 'file list'),
           ('t', 'text', "", 'commit text'),
           ('l', 'logfile', "", 'commit text file')],
          'hg rawcommit [options] [files]'),
     "recover": (recover, [], "hg recover"),
     "^remove|rm": (remove, [], "hg remove [files]"),
     "^revert":
         (revert,
          [("n", "nonrecursive", None, "don't recurse into subdirs"),
           ("r", "rev", "", "revision")],
          "hg revert [files|dirs]"),
     "root": (root, [], "hg root"),
     "^serve":
         (serve,
          [('A', 'accesslog', '', 'access log file'),
           ('E', 'errorlog', '', 'error log file'),
           ('p', 'port', 8000, 'listen port'),
           ('a', 'address', '', 'interface address'),
           ('n', 'name', os.getcwd(), 'repository name'),
           ('', 'stdio', None, 'for remote clients'),
           ('t', 'templates', "", 'template map')],
          "hg serve [options]"),
     "^status": (status, [], 'hg status'),
     "tag":
         (tag,
          [('l', 'local', None, 'make the tag local'),
           ('t', 'text', "", 'commit text'),
           ('d', 'date', "", 'date code'),
           ('u', 'user', "", 'user')],
          'hg tag [options] <name> [rev]'),
     "tags": (tags, [], 'hg tags'),
     "tip": (tip, [], 'hg tip'),
     "undo": (undo, [], 'hg undo'),
     "^update|up|checkout|co":
         (update,
          [('m', 'merge', None, 'allow merging of conflicts'),
           ('C', 'clean', None, 'overwrite locally modified files')],
          'hg update [options] [node]'),
     "verify": (verify, [], 'hg verify'),
     "version": (show_version, [], 'hg version'),
     }
 
 globalopts = [('v', 'verbose', None, 'verbose'),
               ('', 'debug', None, 'debug'),
               ('q', 'quiet', None, 'quiet'),
               ('', 'profile', None, 'profile'),
               ('R', 'repository', "", 'repository root directory'),
               ('', 'traceback', None, 'print traceback on exception'),
               ('y', 'noninteractive', None, 'run non-interactively'),
               ('', 'version', None, 'output version information and exit'),
              ]
 
 norepo = "clone init version help debugindex debugindexdot"
 
 def find(cmd):
     for e in table.keys():
         if re.match("(%s)$" % e, cmd):
             return table[e]
 
     raise UnknownCommand(cmd)
 
 class SignalInterrupt(Exception):
     """Exception raised on SIGTERM and SIGHUP."""
 
 def catchterm(*args):
     raise SignalInterrupt
 
 def run():
     sys.exit(dispatch(sys.argv[1:]))
 
 class ParseError(Exception):
     """Exception raised on errors in parsing the command line."""
 
 def parse(args):
     options = {}
     cmdoptions = {}
 
     try:
         args = fancyopts.fancyopts(args, globalopts, options)
     except fancyopts.getopt.GetoptError, inst:
         raise ParseError(None, inst)
 
     if options["version"]:
         return ("version", show_version, [], options, cmdoptions)
     elif not args:
         return ("help", help_, [], options, cmdoptions)
     else:
         cmd, args = args[0], args[1:]
 
     i = find(cmd)
 
     # combine global options into local
     c = list(i[1])
     for o in globalopts:
         c.append((o[0], o[1], options[o[1]], o[3]))
 
     try:
         args = fancyopts.fancyopts(args, c, cmdoptions)
     except fancyopts.getopt.GetoptError, inst:
         raise ParseError(cmd, inst)
 
     # separate global options back out
     for o in globalopts:
         n = o[1]
         options[n] = cmdoptions[n]
         del cmdoptions[n]
 
     return (cmd, i[0], args, options, cmdoptions)
 
 def dispatch(args):
     signal.signal(signal.SIGTERM, catchterm)
     try:
         signal.signal(signal.SIGHUP, catchterm)
     except AttributeError:
         pass
 
     try:
         cmd, func, args, options, cmdoptions = parse(args)
     except ParseError, inst:
         u = ui.ui()
         if inst.args[0]:
             u.warn("hg %s: %s\n" % (inst.args[0], inst.args[1]))
             help_(u, inst.args[0])
         else:
             u.warn("hg: %s\n" % inst.args[1])
             help_(u)
         sys.exit(-1)
     except UnknownCommand, inst:
         u = ui.ui()
         u.warn("hg: unknown command '%s'\n" % inst.args[0])
         help_(u)
         sys.exit(1)
 
     u = ui.ui(options["verbose"], options["debug"], options["quiet"],
               not options["noninteractive"])
 
     try:
         try:
             if cmd not in norepo.split():
                 path = options["repository"] or ""
                 repo = hg.repository(ui=u, path=path)
                 d = lambda: func(u, repo, *args, **cmdoptions)
             else:
                 d = lambda: func(u, *args, **cmdoptions)
 
             if options['profile']:
                 import hotshot, hotshot.stats
                 prof = hotshot.Profile("hg.prof")
                 r = prof.runcall(d)
                 prof.close()
                 stats = hotshot.stats.load("hg.prof")
                 stats.strip_dirs()
                 stats.sort_stats('time', 'calls')
                 stats.print_stats(40)
                 return r
             else:
                 return d()
         except:
             if options['traceback']:
                 traceback.print_exc()
             raise
     except util.CommandError, inst:
         u.warn("abort: %s\n" % inst.args)
     except hg.RepoError, inst:
         u.warn("abort: ", inst, "!\n")
     except SignalInterrupt:
         u.warn("killed!\n")
     except KeyboardInterrupt:
         u.warn("interrupted!\n")
     except IOError, inst:
         if hasattr(inst, "code"):
             u.warn("abort: %s\n" % inst)
         elif hasattr(inst, "reason"):
             u.warn("abort: error %d: %s\n" % (inst.reason[0], inst.reason[1]))
         elif hasattr(inst, "args") and inst[0] == errno.EPIPE:
             u.warn("broken pipe\n")
         else:
             raise
     except OSError, inst:
         if hasattr(inst, "filename"):
             u.warn("abort: %s: %s\n" % (inst.strerror, inst.filename))
         else:
             u.warn("abort: %s\n" % inst.strerror)
     except TypeError, inst:
         # was this an argument error?
         tb = traceback.extract_tb(sys.exc_info()[2])
         if len(tb) > 2: # no
             raise
         u.debug(inst, "\n")
         u.warn("%s: invalid arguments\n" % cmd)
         help_(u, cmd)
 
     sys.exit(-1)