add tracking of execute permissions

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

add tracking of execute permissions

Changes to executable permissions are now tracked. We only track one
bit here as the others tends to be problematic. "hg manifest" now
shows file permissions.

manifest hash: b76b85d12a9550fdc9fbc4f9446a812f3a2bbe88
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (GNU/Linux)

iD8DBQFCpzYBywK+sNU5EO8RAgkMAJ48l2ac12E20EFS24/i8ScwOtG4HwCgkbaE
ue6l1RJroqzNA7vNeqwCwK4=
=sEmJ
-----END PGP SIGNATURE-----

mercurial/commands.py

@@ -1,612 +1,613 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.
 
 import os, re, sys, signal
 import fancyopts, ui, hg
 from demandload import *
 demandload(globals(), "mdiff time hgweb traceback")
 
 class UnknownCommand(Exception): pass
 
 def filterfiles(filters, files):
     l = [ x for x in files if x in filters ]
 
     for t in filters:
         if t and t[-1] != os.sep: t += os.sep
         l += [ x for x in files if x.startswith(t) ]
     return l
 
 def relfilter(repo, files):
     if os.getcwd() != repo.root:
         p = os.getcwd()[len(repo.root) + 1: ]
         return filterfiles(p, files)
     return files
 
 def relpath(repo, args):
     if os.getcwd() != repo.root:
         p = os.getcwd()[len(repo.root) + 1: ]
         return [ os.path.normpath(os.path.join(p, x)) for x in args ]
     return args
 
 def dodiff(repo, files = None, node1 = None, node2 = None):
     def date(c):
         return time.asctime(time.gmtime(float(c[2].split(' ')[0])))
 
     if node2:
         change = repo.changelog.read(node2)
         mmap2 = repo.manifest.read(change[0])
         (c, a, d) = repo.diffrevs(node1, node2)
         def read(f): return repo.file(f).read(mmap2[f])
         date2 = date(change)
     else:
         date2 = time.asctime()
         (c, a, d, u) = repo.diffdir(repo.root, node1)
         if not node1:
             node1 = repo.dirstate.parents()[0]
         def read(f): return file(os.path.join(repo.root, f)).read()
 
     change = repo.changelog.read(node1)
     mmap = repo.manifest.read(change[0])
     date1 = date(change)
 
     if files:
         c, a, d = map(lambda x: filterfiles(files, x), (c, a, d))
 
     for f in c:
         to = None
         if f in mmap:
             to = repo.file(f).read(mmap[f])
         tn = read(f)
         sys.stdout.write(mdiff.unidiff(to, date1, tn, date2, f))
     for f in a:
         to = None
         tn = read(f)
         sys.stdout.write(mdiff.unidiff(to, date1, tn, date2, f))
     for f in d:
         to = repo.file(f).read(mmap[f])
         tn = None
         sys.stdout.write(mdiff.unidiff(to, date1, tn, date2, f))
     
 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])
             ui.write(i[0].__doc__, "\n")
         except UnknownCommand:
             ui.warn("hg: unknown command %s\n" % cmd)
         sys.exit(0)
     else:
         ui.status('hg commands:\n\n')
 
         h = {}
         for e in table.values():
             f = e[0]
             if f.__name__.startswith("debug"): continue
             d = ""
             if f.__doc__:
                 d = f.__doc__.splitlines(0)[0].rstrip()
             h[f.__name__] = d
 
         fns = h.keys()
         fns.sort()
         m = max(map(len, fns))
         for f in fns:
             ui.status(' %-*s   %s\n' % (m, f, h[f]))
 
 # Commands start here, listed alphabetically
 
 def add(ui, repo, file, *files):
     '''add the specified files on the next commit'''
     repo.add(relpath(repo, (file,) + files))
 
 def addremove(ui, repo):
     """add all new files, delete all missing files"""
     (c, a, d, u) = repo.diffdir(repo.root)
     repo.add(u)
     repo.remove(d)
 
 def annotate(u, repo, file, *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]
             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])
     maxuserlen = 0
     maxchangelen = 0
     for f in relpath(repo, (file,) + files):
         lines = repo.file(f).annotate(mmap[f])
         pieces = []
 
         for o, f in opmap:
             if ops[o]:
                 l = [ f(n) for n,t 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 branch(ui, path):
     '''branch from a local repository'''
     # this should eventually support remote repos
     os.system("cp -al %s/.hg .hg" % path)
 
 def cat(ui, repo, file, rev = []):
     """output the latest or given revision of a file"""
     r = repo.file(file)
     n = r.tip()
     if rev: n = r.lookup(rev)
     sys.stdout.write(r.read(n))
 
 def commit(ui, repo, *files):
     """commit the specified files or all outstanding changes"""
     repo.commit(relpath(repo, files))
 
 def debugaddchangegroup(ui, repo):
     data = sys.stdin.read()
     repo.addchangegroup(data)
 
 def debugchangegroup(ui, repo, roots):
     newer = repo.newer(map(repo.lookup, roots))
     for chunk in repo.changegroup(newer):
         sys.stdout.write(chunk)
 
 def debugindex(ui, file):
     r = hg.revlog(open, file, "")
     print "   rev    offset  length   base linkrev"+\
           " p1           p2           nodeid"
     for i in range(r.count()):
         e = r.index[i]
         print "% 6d % 9d % 7d % 6d % 7d %s.. %s.. %s.." % (
             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):
     r = hg.revlog(open, file, "")
     print "digraph G {"
     for i in range(r.count()):
         e = r.index[i]
         print "\t%d -> %d" % (r.rev(e[4]), i)
         if e[5] != hg.nullid:
             print "\t%d -> %d" % (r.rev(e[5]), i)
     print "}"
 
 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:
         self.ui.warn("too many revisions to diff\n")
         sys.exit(1)
 
     if files:
         files = relpath(repo, files)
     else:
         files = relpath(repo, [""])
 
     dodiff(repo, files, *revs)
 
 def export(ui, repo, changeset):
     """dump the changeset header and diffs for a revision"""
     node = repo.lookup(changeset)
     prev, other = repo.changelog.parents(node)
     change = repo.changelog.read(node)
     print "# HG changeset patch"
     print "# User %s" % change[1]
     print "# Node ID %s" % hg.hex(node)
     print "# Parent  %s" % hg.hex(prev)
     print
     if other != hg.nullid:
         print "# Parent  %s" % hg.hex(other)
     print change[4].rstrip()
     print
     
     dodiff(repo, None, prev, node)
 
 def forget(ui, repo, file, *files):
     """don't add the specified files on the next commit"""
     repo.forget(relpath(repo, (file,) + files))
 
 def heads(ui, repo):
     '''show current repository heads'''
     for n in repo.changelog.heads():
         i = repo.changelog.rev(n)
         changes = repo.changelog.read(n)
         (p1, p2) = repo.changelog.parents(n)
         (h, h1, h2) = map(hg.hex, (n, p1, p2))
         (i1, i2) = map(repo.changelog.rev, (p1, p2))
         print "rev:      %4d:%s" % (i, h)
         print "parents:  %4d:%s" % (i1, h1)
         if i2: print "          %4d:%s" % (i2, h2)
         print "manifest: %4d:%s" % (repo.manifest.rev(changes[0]),
                                     hg.hex(changes[0]))
         print "user:", changes[1]
         print "date:", time.asctime(
             time.localtime(float(changes[2].split(' ')[0])))
         if ui.verbose: print "files:", " ".join(changes[3])
         print "description:"
         print changes[4]
 
 def history(ui, repo):
     """show the changelog history"""
     for i in range(repo.changelog.count() - 1, -1, -1):
         n = repo.changelog.node(i)
         changes = repo.changelog.read(n)
         (p1, p2) = repo.changelog.parents(n)
         (h, h1, h2) = map(hg.hex, (n, p1, p2))
         (i1, i2) = map(repo.changelog.rev, (p1, p2))
         print "rev:      %4d:%s" % (i, h)
         print "parents:  %4d:%s" % (i1, h1)
         if i2: print "          %4d:%s" % (i2, h2)
         print "manifest: %4d:%s" % (repo.manifest.rev(changes[0]),
                                     hg.hex(changes[0]))
         print "user:", changes[1]
         print "date:", time.asctime(
             time.localtime(float(changes[2].split(' ')[0])))
         if ui.verbose: print "files:", " ".join(changes[3])
         print "description:"
         print changes[4]
 
 def init(ui):
     """create a repository"""
     hg.repository(ui, ".", create=1)
 
 def log(ui, repo, f):
     """show the revision history of a single file"""
     f = relpath(repo, [f])[0]
 
     r = repo.file(f)
     for i in range(r.count() - 1, -1, -1):
         n = r.node(i)
         (p1, p2) = r.parents(n)
         (h, h1, h2) = map(hg.hex, (n, p1, p2))
         (i1, i2) = map(r.rev, (p1, p2))
         cr = r.linkrev(n)
         cn = hg.hex(repo.changelog.node(cr))
         print "rev:       %4d:%s" % (i, h)
         print "changeset: %4d:%s" % (cr, cn)
         print "parents:   %4d:%s" % (i1, h1)
         if i2: print "           %4d:%s" % (i2, h2)
         changes = repo.changelog.read(repo.changelog.node(cr))
         print "user: %s" % changes[1]
         print "date: %s" % time.asctime(
             time.localtime(float(changes[2].split(' ')[0])))
         print "description:"
         print changes[4].rstrip()
         print
 
 def manifest(ui, repo, rev = []):
     """output the latest or given revision of the project manifest"""
     n = repo.manifest.tip()
     if rev:
         n = repo.manifest.lookup(rev)
     m = repo.manifest.read(n)
+    mf = repo.manifest.readflags(n)
     files = m.keys()
     files.sort()
 
     for f in files:
-        print hg.hex(m[f]), f
+        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:
             ui.write("%d:%s\n" % (repo.changelog.rev(n), hg.hex(n)))
 
 def patch(ui, repo, patches, **opts):
     """import an ordered set of patches"""
     try:
         import psyco
         psyco.full()
     except:
         pass
     
     d = opts["base"]
     strip = opts["strip"]
     quiet = opts["quiet"] and "> /dev/null" or ""
 
     for patch in patches:
         ui.status("applying %s\n" % patch)
         pf = os.path.join(d, patch)
 
         text = ""
         for l in file(pf):
             if l[:4] == "--- ": break
             text += l
 
         f = os.popen("lsdiff --strip %d %s" % (strip, pf))
         files = filter(None, map(lambda x: x.rstrip(), f.read().splitlines()))
         f.close()
 
         if files:
             if os.system("patch -p%d < %s %s" % (strip, pf, quiet)):
                 raise "patch failed!"
         repo.commit(files, text)
 
 def pull(ui, repo, source):
     """pull changes from the specified source"""
     paths = {}
     try:
         pf = os.path.expanduser("~/.hgpaths")
         for l in file(pf):
             name, path = l.split()
             paths[name] = path
     except IOError:
         pass
 
     if source in paths: source = paths[source]
     
     other = hg.repository(ui, source)
     cg = repo.getchangegroup(other)
     repo.addchangegroup(cg)
 
 def rawcommit(ui, repo, files, **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']:
         print "missing commit text"
         return 1
 
     files = relpath(repo, files)
     if rc['files']:
         files += open(rc['files']).read().splitlines()
         
     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, file, *files):
     """remove the specified files on the next commit"""
     repo.remove(relpath(repo, (file,) + files))
 
 def serve(ui, repo, **opts):
     """export the repository via HTTP"""
     hgweb.server(repo.root, opts["name"], opts["templates"],
                  opts["address"], opts["port"])
     
 def status(ui, repo):
     '''show changed files in the working directory
 
     C = changed
     A = added
     R = removed
     ? = not tracked'''
     
     (c, a, d, u) = repo.diffdir(repo.root)
     (c, a, d, u) = map(lambda x: relfilter(repo, x), (c, a, d, u))
 
     for f in c: print "C", f
     for f in a: print "A", f
     for f in d: print "R", f
     for f in u: print "?", f
 
 def tags(ui, repo):
     """list repository tags"""
     repo.lookup(0) # prime the cache
     i = repo.tags.items()
     n = []
     for e in i:
         try:
             l = repo.changelog.rev(e[1])
         except KeyError:
             l = -2
         n.append((l, e))
 
     n.sort()
     n.reverse()
     i = [ e[1] for e in n ]
     for k, n in i:
         try:
             r = repo.changelog.rev(n)
         except KeyError:
             r = "?"
         print "%-30s %5d:%s" % (k, repo.changelog.rev(n), hg.hex(n))
 
 def tip(ui, repo):
     """show the tip revision"""
     n = repo.changelog.tip()
     t = repo.changelog.rev(n)
     ui.status("%d:%s\n" % (t, hg.hex(n)))
 
 def undo(ui, repo):
     """undo the last transaction"""
     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"),
     "ann|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]'),
     "branch|clone": (branch, [], 'hg branch [path]'),
     "cat|dump": (cat, [], 'hg cat <file> [rev]'),
     "commit|ci": (commit, [], 'hg commit [files]'),
     "debugaddchangegroup": (debugaddchangegroup, [], 'debugaddchangegroup'),
     "debugchangegroup": (debugchangegroup, [], 'debugchangegroup [roots]'),
     "debugindex": (debugindex, [], 'debugindex <file>'),
     "debugindexdot": (debugindexdot, [], 'debugindexdot <file>'),
     "diff": (diff, [('r', 'rev', [], 'revision')],
              'hg diff [-r A] [-r B] [files]'),
     "export": (export, [], "hg export <changeset>"),
     "forget": (forget, [], "hg forget [files]"),
     "heads": (heads, [], 'hg heads'),
     "history": (history, [], 'hg history'),
     "help": (help, [], 'hg help [command]'),
     "init": (init, [], 'hg init'),
     "log": (log, [], 'hg log <file>'),
     "manifest|dumpmanifest": (manifest, [], 'hg manifest [rev]'),
     "parents": (parents, [], 'hg parents [node]'),
     "patch|import": (patch,
                      [('p', 'strip', 1, 'path strip'),
                       ('b', 'base', "", 'base path'),
                       ('q', 'quiet', "", 'silence diff')],
                      "hg import [options] patches"),
     "pull|merge": (pull, [], 'hg pull [source]'),
     "rawcommit": (rawcommit,
                   [('p', 'parent', [], 'parent'),
                    ('d', 'date', "", 'data'),
                    ('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": (remove, [], "hg remove [files]"),
     "serve": (serve, [('p', 'port', 8000, 'listen port'),
                       ('a', 'address', '', 'interface address'),
                       ('n', 'name', os.getcwd(), 'repository name'),
                       ('t', 'templates', "", 'template map')],
               "hg serve [options]"),
     "status": (status, [], 'hg status'),
     "tags": (tags, [], 'hg tags'),
     "tip": (tip, [], 'hg tip'),
     "undo": (undo, [], 'hg undo'),
     "update|up|checkout|co|resolve": (update,
                                       [('m', 'merge', None,
                                         'allow merging of conflicts'),
                                        ('C', 'clean', None,
                                         'overwrite locally modified files')],
                                        'hg update [options] [node]'),
     "verify": (verify, [], 'hg verify'),
     }
 
 norepo = "init branch help debugindex debugindexdot"
 
 def find(cmd):
     i = None
     for e in table.keys():
         if re.match(e + "$", cmd):
             return table[e]
 
     raise UnknownCommand(cmd)
 
 class SignalInterrupt(Exception): pass
 
 def catchterm(*args):
     raise SignalInterrupt
 
 def run():
     sys.exit(dispatch(sys.argv[1:]))
 
 def dispatch(args):
     options = {}
     opts = [('v', 'verbose', None, 'verbose'),
             ('d', 'debug', None, 'debug'),
             ('q', 'quiet', None, 'quiet'),
             ('y', 'noninteractive', None, 'run non-interactively'),
             ]
 
     args = fancyopts.fancyopts(args, opts, options,
                                'hg [options] <command> [options] [files]')
 
     if not args:
         cmd = "help"
     else:
         cmd, args = args[0], args[1:]
 
     u = ui.ui(options["verbose"], options["debug"], options["quiet"],
            not options["noninteractive"])
 
     try:
         i = find(cmd)
     except UnknownCommand:
         u.warn("hg: unknown command '%s'\n" % cmd)
         help(u)
         sys.exit(1)
 
     signal.signal(signal.SIGTERM, catchterm)
 
     cmdoptions = {}
     args = fancyopts.fancyopts(args, i[1], cmdoptions, i[2])
 
     if cmd not in norepo.split():
         repo = hg.repository(ui = u)
         d = lambda: i[0](u, repo, *args, **cmdoptions)
     else:
         d = lambda: i[0](u, *args, **cmdoptions)
 
     try:
         return d()
     except SignalInterrupt:
         u.warn("killed!\n")
     except KeyboardInterrupt:
         u.warn("interrupted!\n")
     except IOError, inst:
         if inst.errno == 32:
             u.warn("broken pipe\n")
         else:
             raise
     except TypeError, inst:
         # was this an argument error?
         tb = traceback.extract_tb(sys.exc_info()[2])
         if len(tb) > 2: # no
             raise
         raise
         u.warn("%s: invalid arguments\n" % i[0].__name__)
         u.warn("syntax: %s\n" % i[2])
         sys.exit(-1)

mercurial/hg.py

@@ -1,1202 +1,1236 b''
 # hg.py - repository classes 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.
 
 import sys, struct, os
 from revlog import *
 from demandload import *
 demandload(globals(), "re lock urllib urllib2 transaction time socket")
 demandload(globals(), "tempfile byterange difflib")
 
+def is_exec(f):
+    return (os.stat(f).st_mode & 0100 != 0)
+
+def set_exec(f, mode):
+    s = os.stat(f).st_mode
+    if (s & 0100 != 0) == mode:
+        return
+    os.chmod(f, s & 0666 | (mode * 0111))
+
 class filelog(revlog):
     def __init__(self, opener, path):
         revlog.__init__(self, opener,
                         os.path.join("data", path + ".i"),
                         os.path.join("data", path + ".d"))
 
     def read(self, node):
         return self.revision(node)
     def add(self, text, transaction, link, p1=None, p2=None):
         return self.addrevision(text, transaction, link, p1, p2)
 
     def annotate(self, node):
 
         def decorate(text, rev):
             return [(rev, l) for l in text.splitlines(1)]
 
         def strip(annotation):
             return [e[1] for e in annotation]
 
         def pair(parent, child):
             new = []
             sm = difflib.SequenceMatcher(None, strip(parent), strip(child))
             for o, m, n, s, t in sm.get_opcodes():
                 if o == 'equal':
                     new += parent[m:n]
                 else:
                     new += child[s:t]
             return new
 
         # 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 = needed.keys()
         visit = [ (self.rev(n), n) for n in visit ]
         visit.sort()
         visit = [ p[1] for p in visit ]
         hist = {}
 
         for 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 hist[n]
 
 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 self.mapcache and self.mapcache[0] == node:
             return self.mapcache[1].copy()
         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])
-        self.mapcache = (node, map)
+            flag[f] = (n[40:-1] == "x")
+        self.mapcache = (node, map, flag)
         return map
 
+    def readflags(self, node):
+        if 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, transaction, link, p1=None, p2=None):
+    def add(self, map, flags, transaction, link, p1=None, p2=None):
         files = map.keys()
         files.sort()
 
-        self.addlist = ["%s\000%s\n" % (f, hex(map[f])) for f in files]
+        self.addlist = ["%s\000%s%s\n" %
+                        (f, hex(map[f]), flags[f] and "x" or '')
+                        for f in files]
         text = "".join(self.addlist)
 
         n = self.addrevision(text, transaction, link, p1, p2)
         self.mapcache = (n, map)
         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]
         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):
         user = (user or
                 os.environ.get("HGUSER") or
                 os.environ.get("EMAIL") or
                 os.environ.get("LOGNAME", "unknown") + '@' + socket.getfqdn())
         date = date or "%d %d" % (time.time(), time.timezone)
         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
 
     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 setparents(self, p1, p2 = nullid):
         self.dirty = 1
         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()
         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]
             self.map[f] = e[:4]
             pos += l
         
     def update(self, files, state):
         ''' current states:
         n  normal
         m  needs merging
         r  marked for removal
         a  marked for addition'''
 
         if not files: return
         self.read()
         self.dirty = 1
         for f in files:
             if state == "r":
                 self.map[f] = ('r', 0, 0, 0)
             else:
                 s = os.stat(os.path.join(self.root, f))
                 self.map[f] = (state, s.st_mode, s.st_size, s.st_mtime)
 
     def forget(self, files):
         if not files: return
         self.read()
         self.dirty = 1
         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.dirty = 1
 
     def write(self):
         st = self.opener("dirstate", "w")
         st.write("".join(self.pl))
         for f, e in self.map.items():
             e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f))
             st.write(e + f)
         self.dirty = 0
 
     def copy(self):
         self.read()
         return self.map.copy()
 
 # used to avoid circular references so destructors work
 def opener(base):
     p = base
     def o(path, mode="r"):
         if p[:7] == "http://":
             f = os.path.join(p, urllib.quote(path))
             return httprangereader(f)
 
         f = os.path.join(p, path)
 
         if mode != "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", "w").write(file(f).read())
                     os.rename(f+".tmp", f)
 
         return file(f, mode)
 
     return o
 
 class localrepository:
     def __init__(self, ui, path=None, create=0):
         self.remote = 0
         if path and path[:7] == "http://":
             self.remote = 1
             self.path = path
         else:
             if not path:
                 p = os.getcwd()
                 while not os.path.isdir(os.path.join(p, ".hg")):
                     p = os.path.dirname(p)
                     if p == "/": raise "No repo found"
                 path = p
             self.path = os.path.join(path, ".hg")
 
         self.root = path
         self.ui = ui
 
         if create:
             os.mkdir(self.path)  
             os.mkdir(self.join("data"))
 
         self.opener = opener(self.path)
         self.manifest = manifest(self.opener)
         self.changelog = changelog(self.opener)
         self.ignorelist = None
         self.tags = None
 
         if not self.remote:
             self.dirstate = dirstate(self.opener, ui, self.root)
 
     def ignore(self, f):
         if self.ignorelist is None:
             self.ignorelist = []
             try:
                 l = open(os.path.join(self.root, ".hgignore"))
                 for pat in l:
                     if pat != "\n":
                         self.ignorelist.append(re.compile(pat[:-1]))
             except IOError: pass
         for pat in self.ignorelist:
             if pat.search(f): return True
         return False
 
     def lookup(self, key):
         if self.tags is None:
             self.tags = {}
             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.revision(r).splitlines():
                         if l:
                             n, k = l.split(" ")
                             self.tags[k] = bin(n)
             except KeyError: pass
         try:
             return self.tags[key]
         except KeyError:
             return self.changelog.lookup(key)
 
     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 transaction(self):
         # save dirstate for undo
         try:
             ds = self.opener("dirstate").read()
         except IOError:
             ds = ""
         self.opener("undo.dirstate", "w").write(ds)
         
         return transaction.transaction(self.opener, self.join("journal"),
                                        self.join("undo"))
 
     def recover(self):
         lock = self.lock()
         if os.path.exists(self.join("recover")):
             self.ui.status("attempting to rollback interrupted transaction\n")
             return transaction.rollback(self.opener, self.join("recover"))
         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("attempting to rollback last transaction\n")
             transaction.rollback(self.opener, self.join("undo"))
             self.dirstate = None
             os.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):
         p1 = p1 or self.dirstate.parents()[0] or nullid
         p2 = p2 or self.dirstate.parents()[1] or nullid
         pchange = self.changelog.read(p1)
         pmmap = self.manifest.read(pchange[0])
         tr = self.transaction()
         mmap = {}
         linkrev = self.changelog.count()
         for f in files:
             try:
                 t = file(f).read()
             except IOError:
                 self.ui.warn("Read file %s error, skipped\n" % f)
                 continue
             r = self.file(f)
             # FIXME - need to find both parents properly
             prev = pmmap.get(f, nullid)
             mmap[f] = r.add(t, tr, linkrev, prev)
 
         mnode = self.manifest.add(mmap, tr, linkrev, pchange[0])
         n = self.changelog.add(mnode, files, text, tr, p1, p2, user ,date, )
         tr.close()
         self.dirstate.setparents(p1, p2)
         self.dirstate.clear()
         self.dirstate.update(mmap.keys(), "n")
 
     def commit(self, files = None, text = ""):
         commit = []
         remove = []
         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.diffdir(self.root)
             commit = c + a
             remove = d
 
         if not commit and not remove:
             self.ui.status("nothing changed\n")
             return
 
         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])
         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:
-                t = file(self.wjoin(f)).read()
+                fp = self.wjoin(f)
+                mf1[f] = is_exec(fp)
+                t = file(fp).read()
             except IOError:
                 self.warn("trouble committing %s!\n" % f)
                 raise
 
             r = self.file(f)
             fp1 = m1.get(f, nullid)
             fp2 = m2.get(f, nullid)
             new[f] = r.add(t, tr, linkrev, fp1, fp2)
 
         # update manifest
         m1.update(new)
         for f in remove: del m1[f]
-        mn = self.manifest.add(m1, tr, linkrev, c1[0], c2[0])
+        mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0])
 
         # add changeset
         new = new.keys()
         new.sort()
 
         edittext = text + "\n" + "HG: manifest hash %s\n" % hex(mn)
         edittext += "".join(["HG: changed %s\n" % f for f in new])
         edittext += "".join(["HG: removed %s\n" % f for f in remove])
         edittext = self.ui.edit(edittext)
 
         n = self.changelog.add(mn, new, edittext, tr, p1, p2)
         tr.close()
 
         self.dirstate.setparents(n)
         self.dirstate.update(new, "n")
         self.dirstate.forget(remove)
 
     def diffdir(self, path, changeset = None):
         changed = []
         added = []
         unknown = []
         mf = {}
 
         if changeset:
             change = self.changelog.read(changeset)
             mf = self.manifest.read(change[0])
             dc = dict.fromkeys(mf)
         else:
             changeset = self.dirstate.parents()[0]
             change = self.changelog.read(changeset)
             mf = self.manifest.read(change[0])
             dc = self.dirstate.copy()
 
         def fcmp(fn):
             t1 = file(self.wjoin(fn)).read()
             t2 = self.file(fn).revision(mf[fn])
             return cmp(t1, t2)
 
         for dir, subdirs, files in os.walk(self.root):
             d = dir[len(self.root)+1:]
             if ".hg" in subdirs: subdirs.remove(".hg")
             
             for f in files:
                 fn = os.path.join(d, f)
                 try: s = os.stat(os.path.join(self.root, fn))
                 except: continue
                 if fn in dc:
                     c = dc[fn]
                     del dc[fn]
                     if not c:
                         if fcmp(fn):
                             changed.append(fn)
                     elif c[0] == 'm':
                         changed.append(fn)
                     elif c[0] == 'a':
                         added.append(fn)
                     elif c[0] == 'r':
                         unknown.append(fn)
-                    elif c[2] != s.st_size:
+                    elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100:
                         changed.append(fn)
                     elif c[1] != s.st_mode or c[3] != s.st_mtime:
                         if fcmp(fn):
                             changed.append(fn)
                 else:
                     if self.ignore(fn): continue
                     unknown.append(fn)
 
         deleted = dc.keys()
         deleted.sort()
 
         return (changed, added, deleted, unknown)
 
     def diffrevs(self, node1, node2):
         changed, added = [], []
 
         change = self.changelog.read(node1)
         mf1 = self.manifest.read(change[0])
         change = self.changelog.read(node2)
         mf2 = self.manifest.read(change[0])
 
         for fn in mf2:
             if mf1.has_key(fn):
                 if mf1[fn] != mf2[fn]:
                     changed.append(fn)
                 del mf1[fn]
             else:
                 added.append(fn)
                 
         deleted = mf1.keys()
         deleted.sort()
     
         return (changed, added, deleted)
 
     def add(self, list):
         for f in list:
             p = self.wjoin(f)
             if not os.path.isfile(p):
                 self.ui.warn("%s does not exist!\n" % f)
             elif self.dirstate.state(f) == 'n':
                 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.isfile(p):
                 self.ui.warn("%s still exists!\n" % f)
             elif f not in self.dirstate:
                 self.ui.warn("%s not tracked!\n" % f)
             else:
                 self.dirstate.update([f], "r")
 
     def heads(self):
         return self.changelog.heads()
 
     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 getchangegroup(self, remote):
         m = self.changelog.nodemap
         search = []
         fetch = []
         seen = {}
         seenbranch = {}
 
         # if we have an empty repo, fetch everything
         if self.changelog.tip() == nullid:
             self.ui.status("requesting all changes\n")
             return remote.changegroup([nullid])
 
         # otherwise, assume we're closer to the tip than the root
         self.ui.status("searching for changes\n")
         heads = remote.heads()
         unknown = []
         for h in heads:
             if h not in m:
                 unknown.append(h)
 
         if not unknown:
             self.ui.status("nothing to do!\n")
             return None
             
         unknown = remote.branches(unknown)
         while unknown:
             n = unknown.pop(0)
             seen[n[0]] = 1
             
             self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1])))
             if n == 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[2] in m and n[3] in m:
                     if n[1] not in fetch:
                         self.ui.debug("found new changeset %s\n" %
                                       short(n[1]))
                         fetch.append(n[1]) # earliest unknown
                         continue
 
                 r = []
                 for a in n[2:4]:
                     if a not in seen: r.append(a)
                     
                 if r:
                     self.ui.debug("requesting %s\n" %
                                 " ".join(map(short, r)))
                     for b in remote.branches(r):
                         self.ui.debug("received %s:%s\n" %
                                       (short(b[0]), short(b[1])))
                         if b[0] not in m and b[0] not in seen:
                             unknown.append(b)
   
         while search:
             n = search.pop(0)
             l = remote.between([(n[0], n[1])])[0]
             p = n[0]
             f = 1
             for i in l + [n[1]]:
                 if i in m:
                     if f <= 2:
                         self.ui.debug("found new branch changeset %s\n" %
                                           short(p))
                         fetch.append(p)
                     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
 
         for f in fetch:
             if f in m:
                 raise "already have", short(f[:4])
 
         self.ui.note("adding new changesets starting at " +
                      " ".join([short(f) for f in fetch]) + "\n")
 
         return remote.changegroup(fetch)
     
     def changegroup(self, basenodes):
         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
 
     def addchangegroup(self, generator):
 
         class genread:
             def __init__(self, generator):
                 self.g = generator
                 self.buf = ""
             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 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 generator: return
         changesets = files = revisions = 0
 
         source = genread(generator)
         lock = self.lock()
         tr = self.transaction()
 
         # 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 revisions\n")
         while 1:
             f = getchunk()
             if not f: break
             self.ui.debug("adding %s revisions\n" % f)
             fl = self.file(f)
             o = fl.tip()
             n = fl.addgroup(getgroup(), revmap, tr)
             revisions += fl.rev(n) - fl.rev(o)
             files += 1
 
         self.ui.status(("modified %d files, added %d changesets" +
                         " and %d new revisions\n")
                        % (files, changesets, revisions))
 
         tr.close()
         return
 
     def update(self, node, allow=False, force=False):
         pl = self.dirstate.parents()
         if not force and pl[1] != nullid:
             self.ui.warn("aborting: outstanding uncommitted merges\n")
             return
 
         p1, p2 = pl[0], node
         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(m2n)
 
         (c, a, d, u) = self.diffdir(self.root)
 
         # resolve the manifest to determine which files
         # we care about merging
         self.ui.note("resolving manifests\n")
         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()
         for f in a + c + u:
             mw[f] = ""
+            mfw[f] = is_exec(self.wjoin(f))
         for f in d:
             if f in mw: del mw[f]
 
         for f, n in mw.iteritems():
             if f in m2:
                 if n != m2[f]:
                     a = ma.get(f, nullid)
                     if n != a and m2[f] != a:
                         self.ui.debug(" %s versions differ, resolve\n" % f)
                         merge[f] = (m1.get(f, nullid), m2[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)
                     elif m2[f] != a:
                         self.ui.debug(" remote %s is newer, get\n" % f)
                         get[f] = m2[f]
                 del m2[f]
             elif f in ma:
                 if not force and n != ma[f]:
                     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
                     self.ui.debug("remote deleted %s\n" % f)
                     remove.append(f)
                 else:
                     self.ui.debug("working dir created %s, keeping\n" % f)
 
         for f, n in m2.iteritems():
             if f[0] == "/": continue
             if not force and f in ma and n != ma[f]:
                 r = self.ui.prompt(
                     ("remote changed %s which local deleted\n" % f) +
                     "(k)eep or (d)elete?", "[kd]", "k")
                 if r == "d": remove.append(f)
             else:
                 self.ui.debug("remote created %s\n" % f)
                 get[f] = n
 
         del mw, m1, m2, ma
 
         if force:
             for f in merge:
                 get[f] = merge[f][1]
             merge = {}
 
         if not merge:
             # we don't need to do any magic, just jump to the new rev
             mode = 'n'
             p1, p2 = p2, nullid
         else:
             if not allow:
                 self.ui.status("the following files conflict:\n")
                 for f in merge:
                     self.ui.status(" %s\n" % f)
                 self.ui.warn("aborting update due to conflicting files!\n")
                 self.ui.status("(use update -m to allow a merge)\n")
                 return 1
             # we have to remember what files we needed to get/change
             # because any file that's different from either one of its
             # parents must be in the changeset
             mode = 'm'
 
         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).revision(get[f])
+            t = self.file(f).read(get[f])
+            wp = self.wjoin(f)
             try:
-                file(self.wjoin(f), "w").write(t)
+                file(wp, "w").write(t)
             except IOError:
-                os.makedirs(os.path.dirname(f))
-                file(self.wjoin(f), "w").write(t)
+                os.makedirs(os.path.dirname(wp))
+                file(wp, "w").write(t)
+            set_exec(wp, mf2[f])
             self.dirstate.update([f], mode)
 
         # merge the tricky bits
         files = merge.keys()
         files.sort()
         for f in files:
             self.ui.status("merging %s\n" % f)
-            m, o = merge[f]
+            m, o, flag = merge[f]
             self.merge3(f, m, o)
+            set_exec(wp, flag)
             self.dirstate.update([f], 'm')
 
         for f in remove:
             self.ui.note("removing %s\n" % f)
             os.unlink(f)
         if mode == 'n':
             self.dirstate.forget(remove)
         else:
             self.dirstate.update(remove, 'r')
 
     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, "w")
             f.write(fl.revision(node))
             f.close()
             return name
 
         fl = self.file(fn)
         base = fl.ancestor(my, other)
         a = self.wjoin(fn)
         b = temp("other", other)
         c = temp("base", base)
 
         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", "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 = {}
         manifestchangeset = {}
         changesets = revisions = files = 0
         errors = 0
 
         self.ui.status("checking changesets\n")
         for i in range(self.changelog.count()):
             changesets += 1
             n = self.changelog.node(i)
             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
 
             manifestchangeset[changes[0]] = n
             for f in changes[3]:
                 filelinkrevs.setdefault(f, []).append(i)
 
         self.ui.status("checking manifests\n")
         for i in range(self.manifest.count()):
             n = self.manifest.node(i)
             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
             ca = self.changelog.node(self.manifest.linkrev(n))
             cc = manifestchangeset[n]
             if ca != cc:
                 self.ui.warn("manifest %s points to %s, not %s\n" %
                         (hex(n), hex(ca), hex(cc)))
                 errors += 1
 
             try:
                 delta = mdiff.patchtext(self.manifest.delta(n))
             except KeyboardInterrupt:
                 print "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)] = 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 }
             for i in range(fl.count()):
                 revisions += 1
                 n = fl.node(i)
 
                 if n not in filenodes[f]:
                     self.ui.warn("%s: %d:%s not in manifests\n"
                                  % (f, i, short(n)))
                     print len(filenodes[f].keys()), fl.count(), f
                     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(n), 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 __init__(self, ui, path):
         self.url = path
         self.ui = ui
 
     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)
         return urllib.urlopen(cu)
 
     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))
         zd = zlib.decompressobj()
         f = self.do_cmd("changegroup", roots=n)
         bytes = 0
         while 1:
             d = f.read(4096)
             bytes += len(d)
             if not d:
                 yield zd.flush()
                 break
             yield zd.decompress(d)
         self.ui.note("%d bytes of data transfered\n" % bytes)
 
 def repository(ui, path=None, create=0):
     if path and path[:7] == "http://":
         return remoterepository(ui, path)
     if path and path[:5] == "hg://":
         return remoterepository(ui, path.replace("hg://", "http://"))
     if path and path[:11] == "old-http://":
         return localrepository(ui, path.replace("old-http://", "http://"))
     else:
         return localrepository(ui, path, create)
 
 class httprangereader:
     def __init__(self, url):
         self.url = url
         self.pos = 0
     def seek(self, pos):
         self.pos = pos
     def read(self, bytes=None):
         opener = urllib2.build_opener(byterange.HTTPRangeHandler())
         urllib2.install_opener(opener)
         req = urllib2.Request(self.url)
         end = ''
         if bytes: end = self.pos + bytes
         req.add_header('Range', 'bytes=%d-%s' % (self.pos, end))
         f = urllib2.urlopen(req)
         return f.read()