merge with stable

.hgsigs

@@ -1,100 +1,101 b''
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hgext/largefiles/overrides.py

@@ -1,1288 +1,1295 b''
 # Copyright 2009-2010 Gregory P. Ward
 # Copyright 2009-2010 Intelerad Medical Systems Incorporated
 # Copyright 2010-2011 Fog Creek Software
 # Copyright 2010-2011 Unity Technologies
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 '''Overridden Mercurial commands and functions for the largefiles extension'''
 
 import os
 import copy
 
 from mercurial import hg, util, cmdutil, scmutil, match as match_, \
         archival, pathutil, revset
 from mercurial.i18n import _
 from mercurial.node import hex
 
 import lfutil
 import lfcommands
 import basestore
 
 # -- Utility functions: commonly/repeatedly needed functionality ---------------
 
 def composenormalfilematcher(match, manifest):
     m = copy.copy(match)
     notlfile = lambda f: not (lfutil.isstandin(f) or lfutil.standin(f) in
             manifest)
     m._files = filter(notlfile, m._files)
     m._fmap = set(m._files)
     m._always = False
     origmatchfn = m.matchfn
     m.matchfn = lambda f: notlfile(f) and origmatchfn(f)
     return m
 
 def installnormalfilesmatchfn(manifest):
     '''installmatchfn with a matchfn that ignores all largefiles'''
     def overridematch(ctx, pats=[], opts={}, globbed=False,
             default='relpath'):
         match = oldmatch(ctx, pats, opts, globbed, default)
         return composenormalfilematcher(match, manifest)
     oldmatch = installmatchfn(overridematch)
 
 def installmatchfn(f):
     '''monkey patch the scmutil module with a custom match function.
     Warning: it is monkey patching the _module_ on runtime! Not thread safe!'''
     oldmatch = scmutil.match
     setattr(f, 'oldmatch', oldmatch)
     scmutil.match = f
     return oldmatch
 
 def restorematchfn():
     '''restores scmutil.match to what it was before installmatchfn
     was called.  no-op if scmutil.match is its original function.
 
     Note that n calls to installmatchfn will require n calls to
     restore the original matchfn.'''
     scmutil.match = getattr(scmutil.match, 'oldmatch')
 
 def installmatchandpatsfn(f):
     oldmatchandpats = scmutil.matchandpats
     setattr(f, 'oldmatchandpats', oldmatchandpats)
     scmutil.matchandpats = f
     return oldmatchandpats
 
 def restorematchandpatsfn():
     '''restores scmutil.matchandpats to what it was before
     installmatchandpatsfn was called. No-op if scmutil.matchandpats
     is its original function.
 
     Note that n calls to installmatchandpatsfn will require n calls
     to restore the original matchfn.'''
     scmutil.matchandpats = getattr(scmutil.matchandpats, 'oldmatchandpats',
             scmutil.matchandpats)
 
 def addlargefiles(ui, repo, matcher, **opts):
     large = opts.pop('large', None)
     lfsize = lfutil.getminsize(
         ui, lfutil.islfilesrepo(repo), opts.pop('lfsize', None))
 
     lfmatcher = None
     if lfutil.islfilesrepo(repo):
         lfpats = ui.configlist(lfutil.longname, 'patterns', default=[])
         if lfpats:
             lfmatcher = match_.match(repo.root, '', list(lfpats))
 
     lfnames = []
     m = copy.copy(matcher)
     m.bad = lambda x, y: None
     wctx = repo[None]
     for f in repo.walk(m):
         exact = m.exact(f)
         lfile = lfutil.standin(f) in wctx
         nfile = f in wctx
         exists = lfile or nfile
 
         # Don't warn the user when they attempt to add a normal tracked file.
         # The normal add code will do that for us.
         if exact and exists:
             if lfile:
                 ui.warn(_('%s already a largefile\n') % f)
             continue
 
         if (exact or not exists) and not lfutil.isstandin(f):
             wfile = repo.wjoin(f)
 
             # In case the file was removed previously, but not committed
             # (issue3507)
             if not os.path.exists(wfile):
                 continue
 
             abovemin = (lfsize and
                         os.lstat(wfile).st_size >= lfsize * 1024 * 1024)
             if large or abovemin or (lfmatcher and lfmatcher(f)):
                 lfnames.append(f)
                 if ui.verbose or not exact:
                     ui.status(_('adding %s as a largefile\n') % m.rel(f))
 
     bad = []
 
     # Need to lock, otherwise there could be a race condition between
     # when standins are created and added to the repo.
     wlock = repo.wlock()
     try:
         if not opts.get('dry_run'):
             standins = []
             lfdirstate = lfutil.openlfdirstate(ui, repo)
             for f in lfnames:
                 standinname = lfutil.standin(f)
                 lfutil.writestandin(repo, standinname, hash='',
                     executable=lfutil.getexecutable(repo.wjoin(f)))
                 standins.append(standinname)
                 if lfdirstate[f] == 'r':
                     lfdirstate.normallookup(f)
                 else:
                     lfdirstate.add(f)
             lfdirstate.write()
             bad += [lfutil.splitstandin(f)
                     for f in repo[None].add(standins)
                     if f in m.files()]
     finally:
         wlock.release()
     return bad
 
 def removelargefiles(ui, repo, isaddremove, *pats, **opts):
     after = opts.get('after')
     if not pats and not after:
         raise util.Abort(_('no files specified'))
     m = scmutil.match(repo[None], pats, opts)
     try:
         repo.lfstatus = True
         s = repo.status(match=m, clean=True)
     finally:
         repo.lfstatus = False
     manifest = repo[None].manifest()
     modified, added, deleted, clean = [[f for f in list
                                         if lfutil.standin(f) in manifest]
                                        for list in (s.modified, s.added,
                                                     s.deleted, s.clean)]
 
     def warn(files, msg):
         for f in files:
             ui.warn(msg % m.rel(f))
         return int(len(files) > 0)
 
     result = 0
 
     if after:
         remove = deleted
         result = warn(modified + added + clean,
                       _('not removing %s: file still exists\n'))
     else:
         remove = deleted + clean
         result = warn(modified, _('not removing %s: file is modified (use -f'
                                   ' to force removal)\n'))
         result = warn(added, _('not removing %s: file has been marked for add'
                                ' (use forget to undo)\n')) or result
 
     for f in sorted(remove):
         if ui.verbose or not m.exact(f):
             ui.status(_('removing %s\n') % m.rel(f))
 
     # Need to lock because standin files are deleted then removed from the
     # repository and we could race in-between.
     wlock = repo.wlock()
     try:
         lfdirstate = lfutil.openlfdirstate(ui, repo)
         for f in remove:
             if not after:
                 # If this is being called by addremove, notify the user that we
                 # are removing the file.
                 if isaddremove:
                     ui.status(_('removing %s\n') % f)
-                util.unlinkpath(repo.wjoin(f), ignoremissing=True)
-            lfdirstate.remove(f)
+
+            if not opts.get('dry_run'):
+                if not after:
+                    util.unlinkpath(repo.wjoin(f), ignoremissing=True)
+                lfdirstate.remove(f)
+
+        if opts.get('dry_run'):
+            return result
+
         lfdirstate.write()
         remove = [lfutil.standin(f) for f in remove]
         # If this is being called by addremove, let the original addremove
         # function handle this.
         if not isaddremove:
             for f in remove:
                 util.unlinkpath(repo.wjoin(f), ignoremissing=True)
         repo[None].forget(remove)
     finally:
         wlock.release()
 
     return result
 
 # For overriding mercurial.hgweb.webcommands so that largefiles will
 # appear at their right place in the manifests.
 def decodepath(orig, path):
     return lfutil.splitstandin(path) or path
 
 # -- Wrappers: modify existing commands --------------------------------
 
 # Add works by going through the files that the user wanted to add and
 # checking if they should be added as largefiles. Then it makes a new
 # matcher which matches only the normal files and runs the original
 # version of add.
 def overrideadd(orig, ui, repo, *pats, **opts):
     normal = opts.pop('normal')
     if normal:
         if opts.get('large'):
             raise util.Abort(_('--normal cannot be used with --large'))
         return orig(ui, repo, *pats, **opts)
     matcher = scmutil.match(repo[None], pats, opts)
     bad = addlargefiles(ui, repo, matcher, **opts)
     installnormalfilesmatchfn(repo[None].manifest())
     result = orig(ui, repo, *pats, **opts)
     restorematchfn()
 
     return (result == 1 or bad) and 1 or 0
 
 def overrideremove(orig, ui, repo, *pats, **opts):
     installnormalfilesmatchfn(repo[None].manifest())
     result = orig(ui, repo, *pats, **opts)
     restorematchfn()
     return removelargefiles(ui, repo, False, *pats, **opts) or result
 
 def overridestatusfn(orig, repo, rev2, **opts):
     try:
         repo._repo.lfstatus = True
         return orig(repo, rev2, **opts)
     finally:
         repo._repo.lfstatus = False
 
 def overridestatus(orig, ui, repo, *pats, **opts):
     try:
         repo.lfstatus = True
         return orig(ui, repo, *pats, **opts)
     finally:
         repo.lfstatus = False
 
 def overridedirty(orig, repo, ignoreupdate=False):
     try:
         repo._repo.lfstatus = True
         return orig(repo, ignoreupdate)
     finally:
         repo._repo.lfstatus = False
 
 def overridelog(orig, ui, repo, *pats, **opts):
     def overridematchandpats(ctx, pats=[], opts={}, globbed=False,
             default='relpath'):
         """Matcher that merges root directory with .hglf, suitable for log.
         It is still possible to match .hglf directly.
         For any listed files run log on the standin too.
         matchfn tries both the given filename and with .hglf stripped.
         """
         matchandpats = oldmatchandpats(ctx, pats, opts, globbed, default)
         m, p = copy.copy(matchandpats)
 
         if m.always():
             # We want to match everything anyway, so there's no benefit trying
             # to add standins.
             return matchandpats
 
         pats = set(p)
         # TODO: handling of patterns in both cases below
         if m._cwd:
             if os.path.isabs(m._cwd):
                 # TODO: handle largefile magic when invoked from other cwd
                 return matchandpats
             back = (m._cwd.count('/') + 1) * '../'
             pats.update(back + lfutil.standin(m._cwd + '/' + f) for f in p)
         else:
             pats.update(lfutil.standin(f) for f in p)
 
         for i in range(0, len(m._files)):
             standin = lfutil.standin(m._files[i])
             if standin in repo[ctx.node()]:
                 m._files[i] = standin
             elif m._files[i] not in repo[ctx.node()]:
                 m._files.append(standin)
             pats.add(standin)
 
         m._fmap = set(m._files)
         m._always = False
         origmatchfn = m.matchfn
         def lfmatchfn(f):
             lf = lfutil.splitstandin(f)
             if lf is not None and origmatchfn(lf):
                 return True
             r = origmatchfn(f)
             return r
         m.matchfn = lfmatchfn
 
         return m, pats
 
     # For hg log --patch, the match object is used in two different senses:
     # (1) to determine what revisions should be printed out, and
     # (2) to determine what files to print out diffs for.
     # The magic matchandpats override should be used for case (1) but not for
     # case (2).
     def overridemakelogfilematcher(repo, pats, opts):
         pctx = repo[None]
         match, pats = oldmatchandpats(pctx, pats, opts)
         return lambda rev: match
 
     oldmatchandpats = installmatchandpatsfn(overridematchandpats)
     oldmakelogfilematcher = cmdutil._makenofollowlogfilematcher
     setattr(cmdutil, '_makenofollowlogfilematcher', overridemakelogfilematcher)
 
     try:
         return orig(ui, repo, *pats, **opts)
     finally:
         restorematchandpatsfn()
         setattr(cmdutil, '_makenofollowlogfilematcher', oldmakelogfilematcher)
 
 def overrideverify(orig, ui, repo, *pats, **opts):
     large = opts.pop('large', False)
     all = opts.pop('lfa', False)
     contents = opts.pop('lfc', False)
 
     result = orig(ui, repo, *pats, **opts)
     if large or all or contents:
         result = result or lfcommands.verifylfiles(ui, repo, all, contents)
     return result
 
 def overridedebugstate(orig, ui, repo, *pats, **opts):
     large = opts.pop('large', False)
     if large:
         class fakerepo(object):
             dirstate = lfutil.openlfdirstate(ui, repo)
         orig(ui, fakerepo, *pats, **opts)
     else:
         orig(ui, repo, *pats, **opts)
 
 # Override needs to refresh standins so that update's normal merge
 # will go through properly. Then the other update hook (overriding repo.update)
 # will get the new files. Filemerge is also overridden so that the merge
 # will merge standins correctly.
 def overrideupdate(orig, ui, repo, *pats, **opts):
     # Need to lock between the standins getting updated and their
     # largefiles getting updated
     wlock = repo.wlock()
     try:
         if opts['check']:
             lfdirstate = lfutil.openlfdirstate(ui, repo)
             unsure, s = lfdirstate.status(
                 match_.always(repo.root, repo.getcwd()),
                 [], False, False, False)
 
             mod = len(s.modified) > 0
             for lfile in unsure:
                 standin = lfutil.standin(lfile)
                 if repo['.'][standin].data().strip() != \
                         lfutil.hashfile(repo.wjoin(lfile)):
                     mod = True
                 else:
                     lfdirstate.normal(lfile)
             lfdirstate.write()
             if mod:
                 raise util.Abort(_('uncommitted changes'))
         return orig(ui, repo, *pats, **opts)
     finally:
         wlock.release()
 
 # Before starting the manifest merge, merge.updates will call
 # _checkunknownfile to check if there are any files in the merged-in
 # changeset that collide with unknown files in the working copy.
 #
 # The largefiles are seen as unknown, so this prevents us from merging
 # in a file 'foo' if we already have a largefile with the same name.
 #
 # The overridden function filters the unknown files by removing any
 # largefiles. This makes the merge proceed and we can then handle this
 # case further in the overridden calculateupdates function below.
 def overridecheckunknownfile(origfn, repo, wctx, mctx, f):
     if lfutil.standin(repo.dirstate.normalize(f)) in wctx:
         return False
     return origfn(repo, wctx, mctx, f)
 
 # The manifest merge handles conflicts on the manifest level. We want
 # to handle changes in largefile-ness of files at this level too.
 #
 # The strategy is to run the original calculateupdates and then process
 # the action list it outputs. There are two cases we need to deal with:
 #
 # 1. Normal file in p1, largefile in p2. Here the largefile is
 #    detected via its standin file, which will enter the working copy
 #    with a "get" action. It is not "merge" since the standin is all
 #    Mercurial is concerned with at this level -- the link to the
 #    existing normal file is not relevant here.
 #
 # 2. Largefile in p1, normal file in p2. Here we get a "merge" action
 #    since the largefile will be present in the working copy and
 #    different from the normal file in p2. Mercurial therefore
 #    triggers a merge action.
 #
 # In both cases, we prompt the user and emit new actions to either
 # remove the standin (if the normal file was kept) or to remove the
 # normal file and get the standin (if the largefile was kept). The
 # default prompt answer is to use the largefile version since it was
 # presumably changed on purpose.
 #
 # Finally, the merge.applyupdates function will then take care of
 # writing the files into the working copy and lfcommands.updatelfiles
 # will update the largefiles.
 def overridecalculateupdates(origfn, repo, p1, p2, pas, branchmerge, force,
                              partial, acceptremote, followcopies):
     overwrite = force and not branchmerge
     actions, diverge, renamedelete = origfn(
         repo, p1, p2, pas, branchmerge, force, partial, acceptremote,
         followcopies)
 
     if overwrite:
         return actions, diverge, renamedelete
 
     # Convert to dictionary with filename as key and action as value.
     lfiles = set()
     actionbyfile = {}
     for m, l in actions.iteritems():
         for f, args, msg in l:
             actionbyfile[f] = m, args, msg
             splitstandin = f and lfutil.splitstandin(f)
             if splitstandin in p1:
                 lfiles.add(splitstandin)
             elif lfutil.standin(f) in p1:
                 lfiles.add(f)
 
     for lfile in lfiles:
         standin = lfutil.standin(lfile)
         (lm, largs, lmsg) = actionbyfile.get(lfile, (None, None, None))
         (sm, sargs, smsg) = actionbyfile.get(standin, (None, None, None))
         if sm in ('g', 'dc') and lm != 'r':
             # Case 1: normal file in the working copy, largefile in
             # the second parent
             usermsg = _('remote turned local normal file %s into a largefile\n'
                         'use (l)argefile or keep (n)ormal file?'
                         '$$ &Largefile $$ &Normal file') % lfile
             if repo.ui.promptchoice(usermsg, 0) == 0: # pick remote largefile
                 actionbyfile[lfile] = ('r', None, 'replaced by standin')
                 actionbyfile[standin] = ('g', sargs, 'replaces standin')
             else: # keep local normal file
                 actionbyfile[lfile] = ('k', None, 'replaces standin')
                 if branchmerge:
                     actionbyfile[standin] = ('k', None,
                                              'replaced by non-standin')
                 else:
                     actionbyfile[standin] = ('r', None,
                                              'replaced by non-standin')
         elif lm in ('g', 'dc') and sm != 'r':
             # Case 2: largefile in the working copy, normal file in
             # the second parent
             usermsg = _('remote turned local largefile %s into a normal file\n'
                     'keep (l)argefile or use (n)ormal file?'
                     '$$ &Largefile $$ &Normal file') % lfile
             if repo.ui.promptchoice(usermsg, 0) == 0: # keep local largefile
                 if branchmerge:
                     # largefile can be restored from standin safely
                     actionbyfile[lfile] = ('k', None, 'replaced by standin')
                     actionbyfile[standin] = ('k', None, 'replaces standin')
                 else:
                     # "lfile" should be marked as "removed" without
                     # removal of itself
                     actionbyfile[lfile] = ('lfmr', None,
                                            'forget non-standin largefile')
 
                     # linear-merge should treat this largefile as 're-added'
                     actionbyfile[standin] = ('a', None, 'keep standin')
             else: # pick remote normal file
                 actionbyfile[lfile] = ('g', largs, 'replaces standin')
                 actionbyfile[standin] = ('r', None, 'replaced by non-standin')
 
     # Convert back to dictionary-of-lists format
     for l in actions.itervalues():
         l[:] = []
     actions['lfmr'] = []
     for f, (m, args, msg) in actionbyfile.iteritems():
         actions[m].append((f, args, msg))
 
     return actions, diverge, renamedelete
 
 def mergerecordupdates(orig, repo, actions, branchmerge):
     if 'lfmr' in actions:
         # this should be executed before 'orig', to execute 'remove'
         # before all other actions
         for lfile, args, msg in actions['lfmr']:
             repo.dirstate.remove(lfile)
 
     return orig(repo, actions, branchmerge)
 
 
 # Override filemerge to prompt the user about how they wish to merge
 # largefiles. This will handle identical edits without prompting the user.
 def overridefilemerge(origfn, repo, mynode, orig, fcd, fco, fca, labels=None):
     if not lfutil.isstandin(orig):
         return origfn(repo, mynode, orig, fcd, fco, fca, labels=labels)
 
     ahash = fca.data().strip().lower()
     dhash = fcd.data().strip().lower()
     ohash = fco.data().strip().lower()
     if (ohash != ahash and
         ohash != dhash and
         (dhash == ahash or
          repo.ui.promptchoice(
              _('largefile %s has a merge conflict\nancestor was %s\n'
                'keep (l)ocal %s or\ntake (o)ther %s?'
                '$$ &Local $$ &Other') %
                (lfutil.splitstandin(orig), ahash, dhash, ohash),
              0) == 1)):
         repo.wwrite(fcd.path(), fco.data(), fco.flags())
     return 0
 
 # Copy first changes the matchers to match standins instead of
 # largefiles.  Then it overrides util.copyfile in that function it
 # checks if the destination largefile already exists. It also keeps a
 # list of copied files so that the largefiles can be copied and the
 # dirstate updated.
 def overridecopy(orig, ui, repo, pats, opts, rename=False):
     # doesn't remove largefile on rename
     if len(pats) < 2:
         # this isn't legal, let the original function deal with it
         return orig(ui, repo, pats, opts, rename)
 
     def makestandin(relpath):
         path = pathutil.canonpath(repo.root, repo.getcwd(), relpath)
         return os.path.join(repo.wjoin(lfutil.standin(path)))
 
     fullpats = scmutil.expandpats(pats)
     dest = fullpats[-1]
 
     if os.path.isdir(dest):
         if not os.path.isdir(makestandin(dest)):
             os.makedirs(makestandin(dest))
     # This could copy both lfiles and normal files in one command,
     # but we don't want to do that. First replace their matcher to
     # only match normal files and run it, then replace it to just
     # match largefiles and run it again.
     nonormalfiles = False
     nolfiles = False
     installnormalfilesmatchfn(repo[None].manifest())
     try:
         try:
             result = orig(ui, repo, pats, opts, rename)
         except util.Abort, e:
             if str(e) != _('no files to copy'):
                 raise e
             else:
                 nonormalfiles = True
             result = 0
     finally:
         restorematchfn()
 
     # The first rename can cause our current working directory to be removed.
     # In that case there is nothing left to copy/rename so just quit.
     try:
         repo.getcwd()
     except OSError:
         return result
 
     try:
         try:
             # When we call orig below it creates the standins but we don't add
             # them to the dir state until later so lock during that time.
             wlock = repo.wlock()
 
             manifest = repo[None].manifest()
             def overridematch(ctx, pats=[], opts={}, globbed=False,
                     default='relpath'):
                 newpats = []
                 # The patterns were previously mangled to add the standin
                 # directory; we need to remove that now
                 for pat in pats:
                     if match_.patkind(pat) is None and lfutil.shortname in pat:
                         newpats.append(pat.replace(lfutil.shortname, ''))
                     else:
                         newpats.append(pat)
                 match = oldmatch(ctx, newpats, opts, globbed, default)
                 m = copy.copy(match)
                 lfile = lambda f: lfutil.standin(f) in manifest
                 m._files = [lfutil.standin(f) for f in m._files if lfile(f)]
                 m._fmap = set(m._files)
                 origmatchfn = m.matchfn
                 m.matchfn = lambda f: (lfutil.isstandin(f) and
                                     (f in manifest) and
                                     origmatchfn(lfutil.splitstandin(f)) or
                                     None)
                 return m
             oldmatch = installmatchfn(overridematch)
             listpats = []
             for pat in pats:
                 if match_.patkind(pat) is not None:
                     listpats.append(pat)
                 else:
                     listpats.append(makestandin(pat))
 
             try:
                 origcopyfile = util.copyfile
                 copiedfiles = []
                 def overridecopyfile(src, dest):
                     if (lfutil.shortname in src and
                         dest.startswith(repo.wjoin(lfutil.shortname))):
                         destlfile = dest.replace(lfutil.shortname, '')
                         if not opts['force'] and os.path.exists(destlfile):
                             raise IOError('',
                                 _('destination largefile already exists'))
                     copiedfiles.append((src, dest))
                     origcopyfile(src, dest)
 
                 util.copyfile = overridecopyfile
                 result += orig(ui, repo, listpats, opts, rename)
             finally:
                 util.copyfile = origcopyfile
 
             lfdirstate = lfutil.openlfdirstate(ui, repo)
             for (src, dest) in copiedfiles:
                 if (lfutil.shortname in src and
                     dest.startswith(repo.wjoin(lfutil.shortname))):
                     srclfile = src.replace(repo.wjoin(lfutil.standin('')), '')
                     destlfile = dest.replace(repo.wjoin(lfutil.standin('')), '')
                     destlfiledir = os.path.dirname(repo.wjoin(destlfile)) or '.'
                     if not os.path.isdir(destlfiledir):
                         os.makedirs(destlfiledir)
                     if rename:
                         os.rename(repo.wjoin(srclfile), repo.wjoin(destlfile))
 
                         # The file is gone, but this deletes any empty parent
                         # directories as a side-effect.
                         util.unlinkpath(repo.wjoin(srclfile), True)
                         lfdirstate.remove(srclfile)
                     else:
                         util.copyfile(repo.wjoin(srclfile),
                                       repo.wjoin(destlfile))
 
                     lfdirstate.add(destlfile)
             lfdirstate.write()
         except util.Abort, e:
             if str(e) != _('no files to copy'):
                 raise e
             else:
                 nolfiles = True
     finally:
         restorematchfn()
         wlock.release()
 
     if nolfiles and nonormalfiles:
         raise util.Abort(_('no files to copy'))
 
     return result
 
 # When the user calls revert, we have to be careful to not revert any
 # changes to other largefiles accidentally. This means we have to keep
 # track of the largefiles that are being reverted so we only pull down
 # the necessary largefiles.
 #
 # Standins are only updated (to match the hash of largefiles) before
 # commits. Update the standins then run the original revert, changing
 # the matcher to hit standins instead of largefiles. Based on the
 # resulting standins update the largefiles.
 def overriderevert(orig, ui, repo, *pats, **opts):
     # Because we put the standins in a bad state (by updating them)
     # and then return them to a correct state we need to lock to
     # prevent others from changing them in their incorrect state.
     wlock = repo.wlock()
     try:
         lfdirstate = lfutil.openlfdirstate(ui, repo)
         s = lfutil.lfdirstatestatus(lfdirstate, repo)
         lfdirstate.write()
         for lfile in s.modified:
             lfutil.updatestandin(repo, lfutil.standin(lfile))
         for lfile in s.deleted:
             if (os.path.exists(repo.wjoin(lfutil.standin(lfile)))):
                 os.unlink(repo.wjoin(lfutil.standin(lfile)))
 
         oldstandins = lfutil.getstandinsstate(repo)
 
         def overridematch(ctx, pats=[], opts={}, globbed=False,
                 default='relpath'):
             match = oldmatch(ctx, pats, opts, globbed, default)
             m = copy.copy(match)
             def tostandin(f):
                 if lfutil.standin(f) in ctx:
                     return lfutil.standin(f)
                 elif lfutil.standin(f) in repo[None]:
                     return None
                 return f
             m._files = [tostandin(f) for f in m._files]
             m._files = [f for f in m._files if f is not None]
             m._fmap = set(m._files)
             origmatchfn = m.matchfn
             def matchfn(f):
                 if lfutil.isstandin(f):
                     return (origmatchfn(lfutil.splitstandin(f)) and
                             (f in repo[None] or f in ctx))
                 return origmatchfn(f)
             m.matchfn = matchfn
             return m
         oldmatch = installmatchfn(overridematch)
         try:
             orig(ui, repo, *pats, **opts)
         finally:
             restorematchfn()
 
         newstandins = lfutil.getstandinsstate(repo)
         filelist = lfutil.getlfilestoupdate(oldstandins, newstandins)
         # lfdirstate should be 'normallookup'-ed for updated files,
         # because reverting doesn't touch dirstate for 'normal' files
         # when target revision is explicitly specified: in such case,
         # 'n' and valid timestamp in dirstate doesn't ensure 'clean'
         # of target (standin) file.
         lfcommands.updatelfiles(ui, repo, filelist, printmessage=False,
                                 normallookup=True)
 
     finally:
         wlock.release()
 
 # after pulling changesets, we need to take some extra care to get
 # largefiles updated remotely
 def overridepull(orig, ui, repo, source=None, **opts):
     revsprepull = len(repo)
     if not source:
         source = 'default'
     repo.lfpullsource = source
     result = orig(ui, repo, source, **opts)
     revspostpull = len(repo)
     lfrevs = opts.get('lfrev', [])
     if opts.get('all_largefiles'):
         lfrevs.append('pulled()')
     if lfrevs and revspostpull > revsprepull:
         numcached = 0
         repo.firstpulled = revsprepull # for pulled() revset expression
         try:
             for rev in scmutil.revrange(repo, lfrevs):
                 ui.note(_('pulling largefiles for revision %s\n') % rev)
                 (cached, missing) = lfcommands.cachelfiles(ui, repo, rev)
                 numcached += len(cached)
         finally:
             del repo.firstpulled
         ui.status(_("%d largefiles cached\n") % numcached)
     return result
 
 def pulledrevsetsymbol(repo, subset, x):
     """``pulled()``
     Changesets that just has been pulled.
 
     Only available with largefiles from pull --lfrev expressions.
 
     .. container:: verbose
 
       Some examples:
 
       - pull largefiles for all new changesets::
 
           hg pull -lfrev "pulled()"
 
       - pull largefiles for all new branch heads::
 
           hg pull -lfrev "head(pulled()) and not closed()"
 
     """
 
     try:
         firstpulled = repo.firstpulled
     except AttributeError:
         raise util.Abort(_("pulled() only available in --lfrev"))
     return revset.baseset([r for r in subset if r >= firstpulled])
 
 def overrideclone(orig, ui, source, dest=None, **opts):
     d = dest
     if d is None:
         d = hg.defaultdest(source)
     if opts.get('all_largefiles') and not hg.islocal(d):
             raise util.Abort(_(
             '--all-largefiles is incompatible with non-local destination %s') %
             d)
 
     return orig(ui, source, dest, **opts)
 
 def hgclone(orig, ui, opts, *args, **kwargs):
     result = orig(ui, opts, *args, **kwargs)
 
     if result is not None:
         sourcerepo, destrepo = result
         repo = destrepo.local()
 
         # Caching is implicitly limited to 'rev' option, since the dest repo was
         # truncated at that point.  The user may expect a download count with
         # this option, so attempt whether or not this is a largefile repo.
         if opts.get('all_largefiles'):
             success, missing = lfcommands.downloadlfiles(ui, repo, None)
 
             if missing != 0:
                 return None
 
     return result
 
 def overriderebase(orig, ui, repo, **opts):
     resuming = opts.get('continue')
     repo._lfcommithooks.append(lfutil.automatedcommithook(resuming))
     repo._lfstatuswriters.append(lambda *msg, **opts: None)
     try:
         return orig(ui, repo, **opts)
     finally:
         repo._lfstatuswriters.pop()
         repo._lfcommithooks.pop()
 
 def overridearchive(orig, repo, dest, node, kind, decode=True, matchfn=None,
             prefix=None, mtime=None, subrepos=None):
     # No need to lock because we are only reading history and
     # largefile caches, neither of which are modified.
     lfcommands.cachelfiles(repo.ui, repo, node)
 
     if kind not in archival.archivers:
         raise util.Abort(_("unknown archive type '%s'") % kind)
 
     ctx = repo[node]
 
     if kind == 'files':
         if prefix:
             raise util.Abort(
                 _('cannot give prefix when archiving to files'))
     else:
         prefix = archival.tidyprefix(dest, kind, prefix)
 
     def write(name, mode, islink, getdata):
         if matchfn and not matchfn(name):
             return
         data = getdata()
         if decode:
             data = repo.wwritedata(name, data)
         archiver.addfile(prefix + name, mode, islink, data)
 
     archiver = archival.archivers[kind](dest, mtime or ctx.date()[0])
 
     if repo.ui.configbool("ui", "archivemeta", True):
         def metadata():
             base = 'repo: %s\nnode: %s\nbranch: %s\n' % (
                 hex(repo.changelog.node(0)), hex(node), ctx.branch())
 
             tags = ''.join('tag: %s\n' % t for t in ctx.tags()
                            if repo.tagtype(t) == 'global')
             if not tags:
                 repo.ui.pushbuffer()
                 opts = {'template': '{latesttag}\n{latesttagdistance}',
                         'style': '', 'patch': None, 'git': None}
                 cmdutil.show_changeset(repo.ui, repo, opts).show(ctx)
                 ltags, dist = repo.ui.popbuffer().split('\n')
                 tags = ''.join('latesttag: %s\n' % t for t in ltags.split(':'))
                 tags += 'latesttagdistance: %s\n' % dist
 
             return base + tags
 
         write('.hg_archival.txt', 0644, False, metadata)
 
     for f in ctx:
         ff = ctx.flags(f)
         getdata = ctx[f].data
         if lfutil.isstandin(f):
             path = lfutil.findfile(repo, getdata().strip())
             if path is None:
                 raise util.Abort(
                     _('largefile %s not found in repo store or system cache')
                     % lfutil.splitstandin(f))
             f = lfutil.splitstandin(f)
 
             def getdatafn():
                 fd = None
                 try:
                     fd = open(path, 'rb')
                     return fd.read()
                 finally:
                     if fd:
                         fd.close()
 
             getdata = getdatafn
         write(f, 'x' in ff and 0755 or 0644, 'l' in ff, getdata)
 
     if subrepos:
         for subpath in sorted(ctx.substate):
             sub = ctx.sub(subpath)
             submatch = match_.narrowmatcher(subpath, matchfn)
             sub.archive(archiver, prefix, submatch)
 
     archiver.done()
 
 def hgsubrepoarchive(orig, repo, archiver, prefix, match=None):
     repo._get(repo._state + ('hg',))
     rev = repo._state[1]
     ctx = repo._repo[rev]
 
     lfcommands.cachelfiles(repo.ui, repo._repo, ctx.node())
 
     def write(name, mode, islink, getdata):
         # At this point, the standin has been replaced with the largefile name,
         # so the normal matcher works here without the lfutil variants.
         if match and not match(f):
             return
         data = getdata()
 
         archiver.addfile(prefix + repo._path + '/' + name, mode, islink, data)
 
     for f in ctx:
         ff = ctx.flags(f)
         getdata = ctx[f].data
         if lfutil.isstandin(f):
             path = lfutil.findfile(repo._repo, getdata().strip())
             if path is None:
                 raise util.Abort(
                     _('largefile %s not found in repo store or system cache')
                     % lfutil.splitstandin(f))
             f = lfutil.splitstandin(f)
 
             def getdatafn():
                 fd = None
                 try:
                     fd = open(os.path.join(prefix, path), 'rb')
                     return fd.read()
                 finally:
                     if fd:
                         fd.close()
 
             getdata = getdatafn
 
         write(f, 'x' in ff and 0755 or 0644, 'l' in ff, getdata)
 
     for subpath in sorted(ctx.substate):
         sub = ctx.sub(subpath)
         submatch = match_.narrowmatcher(subpath, match)
         sub.archive(archiver, os.path.join(prefix, repo._path) + '/', submatch)
 
 # If a largefile is modified, the change is not reflected in its
 # standin until a commit. cmdutil.bailifchanged() raises an exception
 # if the repo has uncommitted changes. Wrap it to also check if
 # largefiles were changed. This is used by bisect, backout and fetch.
 def overridebailifchanged(orig, repo):
     orig(repo)
     repo.lfstatus = True
     s = repo.status()
     repo.lfstatus = False
     if s.modified or s.added or s.removed or s.deleted:
         raise util.Abort(_('uncommitted changes'))
 
 def overrideforget(orig, ui, repo, *pats, **opts):
     installnormalfilesmatchfn(repo[None].manifest())
     result = orig(ui, repo, *pats, **opts)
     restorematchfn()
     m = scmutil.match(repo[None], pats, opts)
 
     try:
         repo.lfstatus = True
         s = repo.status(match=m, clean=True)
     finally:
         repo.lfstatus = False
     forget = sorted(s.modified + s.added + s.deleted + s.clean)
     forget = [f for f in forget if lfutil.standin(f) in repo[None].manifest()]
 
     for f in forget:
         if lfutil.standin(f) not in repo.dirstate and not \
                 os.path.isdir(m.rel(lfutil.standin(f))):
             ui.warn(_('not removing %s: file is already untracked\n')
                     % m.rel(f))
             result = 1
 
     for f in forget:
         if ui.verbose or not m.exact(f):
             ui.status(_('removing %s\n') % m.rel(f))
 
     # Need to lock because standin files are deleted then removed from the
     # repository and we could race in-between.
     wlock = repo.wlock()
     try:
         lfdirstate = lfutil.openlfdirstate(ui, repo)
         for f in forget:
             if lfdirstate[f] == 'a':
                 lfdirstate.drop(f)
             else:
                 lfdirstate.remove(f)
         lfdirstate.write()
         standins = [lfutil.standin(f) for f in forget]
         for f in standins:
             util.unlinkpath(repo.wjoin(f), ignoremissing=True)
         repo[None].forget(standins)
     finally:
         wlock.release()
 
     return result
 
 def _getoutgoings(repo, other, missing, addfunc):
     """get pairs of filename and largefile hash in outgoing revisions
     in 'missing'.
 
     largefiles already existing on 'other' repository are ignored.
 
     'addfunc' is invoked with each unique pairs of filename and
     largefile hash value.
     """
     knowns = set()
     lfhashes = set()
     def dedup(fn, lfhash):
         k = (fn, lfhash)
         if k not in knowns:
             knowns.add(k)
             lfhashes.add(lfhash)
     lfutil.getlfilestoupload(repo, missing, dedup)
     if lfhashes:
         lfexists = basestore._openstore(repo, other).exists(lfhashes)
         for fn, lfhash in knowns:
             if not lfexists[lfhash]: # lfhash doesn't exist on "other"
                 addfunc(fn, lfhash)
 
 def outgoinghook(ui, repo, other, opts, missing):
     if opts.pop('large', None):
         lfhashes = set()
         if ui.debugflag:
             toupload = {}
             def addfunc(fn, lfhash):
                 if fn not in toupload:
                     toupload[fn] = []
                 toupload[fn].append(lfhash)
                 lfhashes.add(lfhash)
             def showhashes(fn):
                 for lfhash in sorted(toupload[fn]):
                     ui.debug('    %s\n' % (lfhash))
         else:
             toupload = set()
             def addfunc(fn, lfhash):
                 toupload.add(fn)
                 lfhashes.add(lfhash)
             def showhashes(fn):
                 pass
         _getoutgoings(repo, other, missing, addfunc)
 
         if not toupload:
             ui.status(_('largefiles: no files to upload\n'))
         else:
             ui.status(_('largefiles to upload (%d entities):\n')
                       % (len(lfhashes)))
             for file in sorted(toupload):
                 ui.status(lfutil.splitstandin(file) + '\n')
                 showhashes(file)
             ui.status('\n')
 
 def summaryremotehook(ui, repo, opts, changes):
     largeopt = opts.get('large', False)
     if changes is None:
         if largeopt:
             return (False, True) # only outgoing check is needed
         else:
             return (False, False)
     elif largeopt:
         url, branch, peer, outgoing = changes[1]
         if peer is None:
             # i18n: column positioning for "hg summary"
             ui.status(_('largefiles: (no remote repo)\n'))
             return
 
         toupload = set()
         lfhashes = set()
         def addfunc(fn, lfhash):
             toupload.add(fn)
             lfhashes.add(lfhash)
         _getoutgoings(repo, peer, outgoing.missing, addfunc)
 
         if not toupload:
             # i18n: column positioning for "hg summary"
             ui.status(_('largefiles: (no files to upload)\n'))
         else:
             # i18n: column positioning for "hg summary"
             ui.status(_('largefiles: %d entities for %d files to upload\n')
                       % (len(lfhashes), len(toupload)))
 
 def overridesummary(orig, ui, repo, *pats, **opts):
     try:
         repo.lfstatus = True
         orig(ui, repo, *pats, **opts)
     finally:
         repo.lfstatus = False
 
 def scmutiladdremove(orig, repo, matcher, prefix, opts={}, dry_run=None,
                      similarity=None):
     if not lfutil.islfilesrepo(repo):
         return orig(repo, matcher, prefix, opts, dry_run, similarity)
     # Get the list of missing largefiles so we can remove them
     lfdirstate = lfutil.openlfdirstate(repo.ui, repo)
     unsure, s = lfdirstate.status(match_.always(repo.root, repo.getcwd()), [],
                                   False, False, False)
 
     # Call into the normal remove code, but the removing of the standin, we want
     # to have handled by original addremove.  Monkey patching here makes sure
     # we don't remove the standin in the largefiles code, preventing a very
     # confused state later.
     if s.deleted:
         m = [repo.wjoin(f) for f in s.deleted]
         removelargefiles(repo.ui, repo, True, *m, **opts)
     # Call into the normal add code, and any files that *should* be added as
     # largefiles will be
     addlargefiles(repo.ui, repo, matcher, **opts)
     # Now that we've handled largefiles, hand off to the original addremove
     # function to take care of the rest.  Make sure it doesn't do anything with
     # largefiles by passing a matcher that will ignore them.
     matcher = composenormalfilematcher(matcher, repo[None].manifest())
     return orig(repo, matcher, prefix, opts, dry_run, similarity)
 
 # Calling purge with --all will cause the largefiles to be deleted.
 # Override repo.status to prevent this from happening.
 def overridepurge(orig, ui, repo, *dirs, **opts):
     oldstatus = repo.status
     def overridestatus(node1='.', node2=None, match=None, ignored=False,
                         clean=False, unknown=False, listsubrepos=False):
         r = oldstatus(node1, node2, match, ignored, clean, unknown,
                       listsubrepos)
         lfdirstate = lfutil.openlfdirstate(ui, repo)
         unknown = [f for f in r.unknown if lfdirstate[f] == '?']
         ignored = [f for f in r.ignored if lfdirstate[f] == '?']
         return scmutil.status(r.modified, r.added, r.removed, r.deleted,
                               unknown, ignored, r.clean)
     repo.status = overridestatus
     orig(ui, repo, *dirs, **opts)
     repo.status = oldstatus
 def overriderollback(orig, ui, repo, **opts):
     wlock = repo.wlock()
     try:
         before = repo.dirstate.parents()
         orphans = set(f for f in repo.dirstate
                       if lfutil.isstandin(f) and repo.dirstate[f] != 'r')
         result = orig(ui, repo, **opts)
         after = repo.dirstate.parents()
         if before == after:
             return result # no need to restore standins
 
         pctx = repo['.']
         for f in repo.dirstate:
             if lfutil.isstandin(f):
                 orphans.discard(f)
                 if repo.dirstate[f] == 'r':
                     repo.wvfs.unlinkpath(f, ignoremissing=True)
                 elif f in pctx:
                     fctx = pctx[f]
                     repo.wwrite(f, fctx.data(), fctx.flags())
                 else:
                     # content of standin is not so important in 'a',
                     # 'm' or 'n' (coming from the 2nd parent) cases
                     lfutil.writestandin(repo, f, '', False)
         for standin in orphans:
             repo.wvfs.unlinkpath(standin, ignoremissing=True)
 
         lfdirstate = lfutil.openlfdirstate(ui, repo)
         orphans = set(lfdirstate)
         lfiles = lfutil.listlfiles(repo)
         for file in lfiles:
             lfutil.synclfdirstate(repo, lfdirstate, file, True)
             orphans.discard(file)
         for lfile in orphans:
             lfdirstate.drop(lfile)
         lfdirstate.write()
     finally:
         wlock.release()
     return result
 
 def overridetransplant(orig, ui, repo, *revs, **opts):
     resuming = opts.get('continue')
     repo._lfcommithooks.append(lfutil.automatedcommithook(resuming))
     repo._lfstatuswriters.append(lambda *msg, **opts: None)
     try:
         result = orig(ui, repo, *revs, **opts)
     finally:
         repo._lfstatuswriters.pop()
         repo._lfcommithooks.pop()
     return result
 
 def overridecat(orig, ui, repo, file1, *pats, **opts):
     ctx = scmutil.revsingle(repo, opts.get('rev'))
     err = 1
     notbad = set()
     m = scmutil.match(ctx, (file1,) + pats, opts)
     origmatchfn = m.matchfn
     def lfmatchfn(f):
         if origmatchfn(f):
             return True
         lf = lfutil.splitstandin(f)
         if lf is None:
             return False
         notbad.add(lf)
         return origmatchfn(lf)
     m.matchfn = lfmatchfn
     origbadfn = m.bad
     def lfbadfn(f, msg):
         if not f in notbad:
             origbadfn(f, msg)
     m.bad = lfbadfn
     for f in ctx.walk(m):
         fp = cmdutil.makefileobj(repo, opts.get('output'), ctx.node(),
                                  pathname=f)
         lf = lfutil.splitstandin(f)
         if lf is None or origmatchfn(f):
             # duplicating unreachable code from commands.cat
             data = ctx[f].data()
             if opts.get('decode'):
                 data = repo.wwritedata(f, data)
             fp.write(data)
         else:
             hash = lfutil.readstandin(repo, lf, ctx.rev())
             if not lfutil.inusercache(repo.ui, hash):
                 store = basestore._openstore(repo)
                 success, missing = store.get([(lf, hash)])
                 if len(success) != 1:
                     raise util.Abort(
                         _('largefile %s is not in cache and could not be '
                           'downloaded')  % lf)
             path = lfutil.usercachepath(repo.ui, hash)
             fpin = open(path, "rb")
             for chunk in util.filechunkiter(fpin, 128 * 1024):
                 fp.write(chunk)
             fpin.close()
         fp.close()
         err = 0
     return err
 
 def mergeupdate(orig, repo, node, branchmerge, force, partial,
                 *args, **kwargs):
     wlock = repo.wlock()
     try:
         # branch |       |         |
         #  merge | force | partial | action
         # -------+-------+---------+--------------
         #    x   |   x   |    x    | linear-merge
         #    o   |   x   |    x    | branch-merge
         #    x   |   o   |    x    | overwrite (as clean update)
         #    o   |   o   |    x    | force-branch-merge (*1)
         #    x   |   x   |    o    |   (*)
         #    o   |   x   |    o    |   (*)
         #    x   |   o   |    o    | overwrite (as revert)
         #    o   |   o   |    o    |   (*)
         #
         # (*) don't care
         # (*1) deprecated, but used internally (e.g: "rebase --collapse")
 
         linearmerge = not branchmerge and not force and not partial
 
         if linearmerge or (branchmerge and force and not partial):
             # update standins for linear-merge or force-branch-merge,
             # because largefiles in the working directory may be modified
             lfdirstate = lfutil.openlfdirstate(repo.ui, repo)
             unsure, s = lfdirstate.status(match_.always(repo.root,
                                                         repo.getcwd()),
                                           [], False, False, False)
             for lfile in unsure + s.modified + s.added:
                 lfutil.updatestandin(repo, lfutil.standin(lfile))
 
         if linearmerge:
             # Only call updatelfiles on the standins that have changed
             # to save time
             oldstandins = lfutil.getstandinsstate(repo)
 
         result = orig(repo, node, branchmerge, force, partial, *args, **kwargs)
 
         filelist = None
         if linearmerge:
             newstandins = lfutil.getstandinsstate(repo)
             filelist = lfutil.getlfilestoupdate(oldstandins, newstandins)
 
         lfcommands.updatelfiles(repo.ui, repo, filelist=filelist,
                                 normallookup=partial)
 
         return result
     finally:
         wlock.release()
 
 def scmutilmarktouched(orig, repo, files, *args, **kwargs):
     result = orig(repo, files, *args, **kwargs)
 
     filelist = [lfutil.splitstandin(f) for f in files if lfutil.isstandin(f)]
     if filelist:
         lfcommands.updatelfiles(repo.ui, repo, filelist=filelist,
                                 printmessage=False, normallookup=True)
 
     return result

mercurial/context.py

@@ -1,1721 +1,1726 b''
 # context.py - changeset and file context objects for mercurial
 #
 # Copyright 2006, 2007 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from node import nullid, nullrev, short, hex, bin
 from i18n import _
 import mdiff, error, util, scmutil, subrepo, patch, encoding, phases
 import match as matchmod
 import os, errno, stat
 import obsolete as obsmod
 import repoview
 import fileset
 import revlog
 
 propertycache = util.propertycache
 
+# Phony node value to stand-in for new files in some uses of
+# manifests. Manifests support 21-byte hashes for nodes which are
+# dirty in the working copy.
+_newnode = '!' * 21
+
 class basectx(object):
     """A basectx object represents the common logic for its children:
     changectx: read-only context that is already present in the repo,
     workingctx: a context that represents the working directory and can
                 be committed,
     memctx: a context that represents changes in-memory and can also
             be committed."""
     def __new__(cls, repo, changeid='', *args, **kwargs):
         if isinstance(changeid, basectx):
             return changeid
 
         o = super(basectx, cls).__new__(cls)
 
         o._repo = repo
         o._rev = nullrev
         o._node = nullid
 
         return o
 
     def __str__(self):
         return short(self.node())
 
     def __int__(self):
         return self.rev()
 
     def __repr__(self):
         return "<%s %s>" % (type(self).__name__, str(self))
 
     def __eq__(self, other):
         try:
             return type(self) == type(other) and self._rev == other._rev
         except AttributeError:
             return False
 
     def __ne__(self, other):
         return not (self == other)
 
     def __contains__(self, key):
         return key in self._manifest
 
     def __getitem__(self, key):
         return self.filectx(key)
 
     def __iter__(self):
         for f in sorted(self._manifest):
             yield f
 
     def _manifestmatches(self, match, s):
         """generate a new manifest filtered by the match argument
 
         This method is for internal use only and mainly exists to provide an
         object oriented way for other contexts to customize the manifest
         generation.
         """
         return self.manifest().matches(match)
 
     def _matchstatus(self, other, match):
         """return match.always if match is none
 
         This internal method provides a way for child objects to override the
         match operator.
         """
         return match or matchmod.always(self._repo.root, self._repo.getcwd())
 
     def _buildstatus(self, other, s, match, listignored, listclean,
                      listunknown):
         """build a status with respect to another context"""
         # Load earliest manifest first for caching reasons. More specifically,
         # if you have revisions 1000 and 1001, 1001 is probably stored as a
         # delta against 1000. Thus, if you read 1000 first, we'll reconstruct
         # 1000 and cache it so that when you read 1001, we just need to apply a
         # delta to what's in the cache. So that's one full reconstruction + one
         # delta application.
         if self.rev() is not None and self.rev() < other.rev():
             self.manifest()
         mf1 = other._manifestmatches(match, s)
         mf2 = self._manifestmatches(match, s)
 
         modified, added, clean = [], [], []
         deleted, unknown, ignored = s.deleted, s.unknown, s.ignored
         deletedset = set(deleted)
         withflags = mf1.withflags() | mf2.withflags()
         for fn, mf2node in mf2.iteritems():
             if fn in mf1:
                 if (fn not in deletedset and
                     ((fn in withflags and mf1.flags(fn) != mf2.flags(fn)) or
                      (mf1[fn] != mf2node and
-                      (mf2node or self[fn].cmp(other[fn]))))):
+                      (mf2node != _newnode or self[fn].cmp(other[fn]))))):
                     modified.append(fn)
                 elif listclean:
                     clean.append(fn)
                 del mf1[fn]
             elif fn not in deletedset:
                 added.append(fn)
         removed = mf1.keys()
         if removed:
             # need to filter files if they are already reported as removed
             unknown = [fn for fn in unknown if fn not in mf1]
             ignored = [fn for fn in ignored if fn not in mf1]
 
         return scmutil.status(modified, added, removed, deleted, unknown,
                               ignored, clean)
 
     @propertycache
     def substate(self):
         return subrepo.state(self, self._repo.ui)
 
     def subrev(self, subpath):
         return self.substate[subpath][1]
 
     def rev(self):
         return self._rev
     def node(self):
         return self._node
     def hex(self):
         return hex(self.node())
     def manifest(self):
         return self._manifest
     def phasestr(self):
         return phases.phasenames[self.phase()]
     def mutable(self):
         return self.phase() > phases.public
 
     def getfileset(self, expr):
         return fileset.getfileset(self, expr)
 
     def obsolete(self):
         """True if the changeset is obsolete"""
         return self.rev() in obsmod.getrevs(self._repo, 'obsolete')
 
     def extinct(self):
         """True if the changeset is extinct"""
         return self.rev() in obsmod.getrevs(self._repo, 'extinct')
 
     def unstable(self):
         """True if the changeset is not obsolete but it's ancestor are"""
         return self.rev() in obsmod.getrevs(self._repo, 'unstable')
 
     def bumped(self):
         """True if the changeset try to be a successor of a public changeset
 
         Only non-public and non-obsolete changesets may be bumped.
         """
         return self.rev() in obsmod.getrevs(self._repo, 'bumped')
 
     def divergent(self):
         """Is a successors of a changeset with multiple possible successors set
 
         Only non-public and non-obsolete changesets may be divergent.
         """
         return self.rev() in obsmod.getrevs(self._repo, 'divergent')
 
     def troubled(self):
         """True if the changeset is either unstable, bumped or divergent"""
         return self.unstable() or self.bumped() or self.divergent()
 
     def troubles(self):
         """return the list of troubles affecting this changesets.
 
         Troubles are returned as strings. possible values are:
         - unstable,
         - bumped,
         - divergent.
         """
         troubles = []
         if self.unstable():
             troubles.append('unstable')
         if self.bumped():
             troubles.append('bumped')
         if self.divergent():
             troubles.append('divergent')
         return troubles
 
     def parents(self):
         """return contexts for each parent changeset"""
         return self._parents
 
     def p1(self):
         return self._parents[0]
 
     def p2(self):
         if len(self._parents) == 2:
             return self._parents[1]
         return changectx(self._repo, -1)
 
     def _fileinfo(self, path):
         if '_manifest' in self.__dict__:
             try:
                 return self._manifest[path], self._manifest.flags(path)
             except KeyError:
                 raise error.ManifestLookupError(self._node, path,
                                                 _('not found in manifest'))
         if '_manifestdelta' in self.__dict__ or path in self.files():
             if path in self._manifestdelta:
                 return (self._manifestdelta[path],
                         self._manifestdelta.flags(path))
         node, flag = self._repo.manifest.find(self._changeset[0], path)
         if not node:
             raise error.ManifestLookupError(self._node, path,
                                             _('not found in manifest'))
 
         return node, flag
 
     def filenode(self, path):
         return self._fileinfo(path)[0]
 
     def flags(self, path):
         try:
             return self._fileinfo(path)[1]
         except error.LookupError:
             return ''
 
     def sub(self, path):
         return subrepo.subrepo(self, path)
 
     def match(self, pats=[], include=None, exclude=None, default='glob'):
         r = self._repo
         return matchmod.match(r.root, r.getcwd(), pats,
                               include, exclude, default,
                               auditor=r.auditor, ctx=self)
 
     def diff(self, ctx2=None, match=None, **opts):
         """Returns a diff generator for the given contexts and matcher"""
         if ctx2 is None:
             ctx2 = self.p1()
         if ctx2 is not None:
             ctx2 = self._repo[ctx2]
         diffopts = patch.diffopts(self._repo.ui, opts)
         return patch.diff(self._repo, ctx2, self, match=match, opts=diffopts)
 
     @propertycache
     def _dirs(self):
         return scmutil.dirs(self._manifest)
 
     def dirs(self):
         return self._dirs
 
     def dirty(self, missing=False, merge=True, branch=True):
         return False
 
     def status(self, other=None, match=None, listignored=False,
                listclean=False, listunknown=False, listsubrepos=False):
         """return status of files between two nodes or node and working
         directory.
 
         If other is None, compare this node with working directory.
 
         returns (modified, added, removed, deleted, unknown, ignored, clean)
         """
 
         ctx1 = self
         ctx2 = self._repo[other]
 
         # This next code block is, admittedly, fragile logic that tests for
         # reversing the contexts and wouldn't need to exist if it weren't for
         # the fast (and common) code path of comparing the working directory
         # with its first parent.
         #
         # What we're aiming for here is the ability to call:
         #
         # workingctx.status(parentctx)
         #
         # If we always built the manifest for each context and compared those,
         # then we'd be done. But the special case of the above call means we
         # just copy the manifest of the parent.
         reversed = False
         if (not isinstance(ctx1, changectx)
             and isinstance(ctx2, changectx)):
             reversed = True
             ctx1, ctx2 = ctx2, ctx1
 
         match = ctx2._matchstatus(ctx1, match)
         r = scmutil.status([], [], [], [], [], [], [])
         r = ctx2._buildstatus(ctx1, r, match, listignored, listclean,
                               listunknown)
 
         if reversed:
             # Reverse added and removed. Clear deleted, unknown and ignored as
             # these make no sense to reverse.
             r = scmutil.status(r.modified, r.removed, r.added, [], [], [],
                                r.clean)
 
         if listsubrepos:
             for subpath, sub in scmutil.itersubrepos(ctx1, ctx2):
                 rev2 = ctx2.subrev(subpath)
                 try:
                     submatch = matchmod.narrowmatcher(subpath, match)
                     s = sub.status(rev2, match=submatch, ignored=listignored,
                                    clean=listclean, unknown=listunknown,
                                    listsubrepos=True)
                     for rfiles, sfiles in zip(r, s):
                         rfiles.extend("%s/%s" % (subpath, f) for f in sfiles)
                 except error.LookupError:
                     self._repo.ui.status(_("skipping missing "
                                            "subrepository: %s\n") % subpath)
 
         for l in r:
             l.sort()
 
         return r
 
 
 def makememctx(repo, parents, text, user, date, branch, files, store,
                editor=None):
     def getfilectx(repo, memctx, path):
         data, mode, copied = store.getfile(path)
         if data is None:
             return None
         islink, isexec = mode
         return memfilectx(repo, path, data, islink=islink, isexec=isexec,
                                   copied=copied, memctx=memctx)
     extra = {}
     if branch:
         extra['branch'] = encoding.fromlocal(branch)
     ctx =  memctx(repo, parents, text, files, getfilectx, user,
                           date, extra, editor)
     return ctx
 
 class changectx(basectx):
     """A changecontext object makes access to data related to a particular
     changeset convenient. It represents a read-only context already present in
     the repo."""
     def __init__(self, repo, changeid=''):
         """changeid is a revision number, node, or tag"""
 
         # since basectx.__new__ already took care of copying the object, we
         # don't need to do anything in __init__, so we just exit here
         if isinstance(changeid, basectx):
             return
 
         if changeid == '':
             changeid = '.'
         self._repo = repo
 
         try:
             if isinstance(changeid, int):
                 self._node = repo.changelog.node(changeid)
                 self._rev = changeid
                 return
             if isinstance(changeid, long):
                 changeid = str(changeid)
             if changeid == '.':
                 self._node = repo.dirstate.p1()
                 self._rev = repo.changelog.rev(self._node)
                 return
             if changeid == 'null':
                 self._node = nullid
                 self._rev = nullrev
                 return
             if changeid == 'tip':
                 self._node = repo.changelog.tip()
                 self._rev = repo.changelog.rev(self._node)
                 return
             if len(changeid) == 20:
                 try:
                     self._node = changeid
                     self._rev = repo.changelog.rev(changeid)
                     return
                 except error.FilteredRepoLookupError:
                     raise
                 except LookupError:
                     pass
 
             try:
                 r = int(changeid)
                 if str(r) != changeid:
                     raise ValueError
                 l = len(repo.changelog)
                 if r < 0:
                     r += l
                 if r < 0 or r >= l:
                     raise ValueError
                 self._rev = r
                 self._node = repo.changelog.node(r)
                 return
             except error.FilteredIndexError:
                 raise
             except (ValueError, OverflowError, IndexError):
                 pass
 
             if len(changeid) == 40:
                 try:
                     self._node = bin(changeid)
                     self._rev = repo.changelog.rev(self._node)
                     return
                 except error.FilteredLookupError:
                     raise
                 except (TypeError, LookupError):
                     pass
 
             # lookup bookmarks through the name interface
             try:
                 self._node = repo.names.singlenode(repo, changeid)
                 self._rev = repo.changelog.rev(self._node)
                 return
             except KeyError:
                 pass
             except error.FilteredRepoLookupError:
                 raise
             except error.RepoLookupError:
                 pass
 
             self._node = repo.unfiltered().changelog._partialmatch(changeid)
             if self._node is not None:
                 self._rev = repo.changelog.rev(self._node)
                 return
 
             # lookup failed
             # check if it might have come from damaged dirstate
             #
             # XXX we could avoid the unfiltered if we had a recognizable
             # exception for filtered changeset access
             if changeid in repo.unfiltered().dirstate.parents():
                 msg = _("working directory has unknown parent '%s'!")
                 raise error.Abort(msg % short(changeid))
             try:
                 if len(changeid) == 20:
                     changeid = hex(changeid)
             except TypeError:
                 pass
         except (error.FilteredIndexError, error.FilteredLookupError,
                 error.FilteredRepoLookupError):
             if repo.filtername == 'visible':
                 msg = _("hidden revision '%s'") % changeid
                 hint = _('use --hidden to access hidden revisions')
                 raise error.FilteredRepoLookupError(msg, hint=hint)
             msg = _("filtered revision '%s' (not in '%s' subset)")
             msg %= (changeid, repo.filtername)
             raise error.FilteredRepoLookupError(msg)
         except IndexError:
             pass
         raise error.RepoLookupError(
             _("unknown revision '%s'") % changeid)
 
     def __hash__(self):
         try:
             return hash(self._rev)
         except AttributeError:
             return id(self)
 
     def __nonzero__(self):
         return self._rev != nullrev
 
     @propertycache
     def _changeset(self):
         return self._repo.changelog.read(self.rev())
 
     @propertycache
     def _manifest(self):
         return self._repo.manifest.read(self._changeset[0])
 
     @propertycache
     def _manifestdelta(self):
         return self._repo.manifest.readdelta(self._changeset[0])
 
     @propertycache
     def _parents(self):
         p = self._repo.changelog.parentrevs(self._rev)
         if p[1] == nullrev:
             p = p[:-1]
         return [changectx(self._repo, x) for x in p]
 
     def changeset(self):
         return self._changeset
     def manifestnode(self):
         return self._changeset[0]
 
     def user(self):
         return self._changeset[1]
     def date(self):
         return self._changeset[2]
     def files(self):
         return self._changeset[3]
     def description(self):
         return self._changeset[4]
     def branch(self):
         return encoding.tolocal(self._changeset[5].get("branch"))
     def closesbranch(self):
         return 'close' in self._changeset[5]
     def extra(self):
         return self._changeset[5]
     def tags(self):
         return self._repo.nodetags(self._node)
     def bookmarks(self):
         return self._repo.nodebookmarks(self._node)
     def phase(self):
         return self._repo._phasecache.phase(self._repo, self._rev)
     def hidden(self):
         return self._rev in repoview.filterrevs(self._repo, 'visible')
 
     def children(self):
         """return contexts for each child changeset"""
         c = self._repo.changelog.children(self._node)
         return [changectx(self._repo, x) for x in c]
 
     def ancestors(self):
         for a in self._repo.changelog.ancestors([self._rev]):
             yield changectx(self._repo, a)
 
     def descendants(self):
         for d in self._repo.changelog.descendants([self._rev]):
             yield changectx(self._repo, d)
 
     def filectx(self, path, fileid=None, filelog=None):
         """get a file context from this changeset"""
         if fileid is None:
             fileid = self.filenode(path)
         return filectx(self._repo, path, fileid=fileid,
                        changectx=self, filelog=filelog)
 
     def ancestor(self, c2, warn=False):
         """return the "best" ancestor context of self and c2
 
         If there are multiple candidates, it will show a message and check
         merge.preferancestor configuration before falling back to the
         revlog ancestor."""
         # deal with workingctxs
         n2 = c2._node
         if n2 is None:
             n2 = c2._parents[0]._node
         cahs = self._repo.changelog.commonancestorsheads(self._node, n2)
         if not cahs:
             anc = nullid
         elif len(cahs) == 1:
             anc = cahs[0]
         else:
             for r in self._repo.ui.configlist('merge', 'preferancestor'):
                 try:
                     ctx = changectx(self._repo, r)
                 except error.RepoLookupError:
                     continue
                 anc = ctx.node()
                 if anc in cahs:
                     break
             else:
                 anc = self._repo.changelog.ancestor(self._node, n2)
             if warn:
                 self._repo.ui.status(
                     (_("note: using %s as ancestor of %s and %s\n") %
                      (short(anc), short(self._node), short(n2))) +
                     ''.join(_("      alternatively, use --config "
                               "merge.preferancestor=%s\n") %
                             short(n) for n in sorted(cahs) if n != anc))
         return changectx(self._repo, anc)
 
     def descendant(self, other):
         """True if other is descendant of this changeset"""
         return self._repo.changelog.descendant(self._rev, other._rev)
 
     def walk(self, match):
         fset = set(match.files())
         # for dirstate.walk, files=['.'] means "walk the whole tree".
         # follow that here, too
         fset.discard('.')
 
         # avoid the entire walk if we're only looking for specific files
         if fset and not match.anypats():
             if util.all([fn in self for fn in fset]):
                 for fn in sorted(fset):
                     if match(fn):
                         yield fn
                 raise StopIteration
 
         for fn in self:
             if fn in fset:
                 # specified pattern is the exact name
                 fset.remove(fn)
             if match(fn):
                 yield fn
         for fn in sorted(fset):
             if fn in self._dirs:
                 # specified pattern is a directory
                 continue
             match.bad(fn, _('no such file in rev %s') % self)
 
     def matches(self, match):
         return self.walk(match)
 
 class basefilectx(object):
     """A filecontext object represents the common logic for its children:
     filectx: read-only access to a filerevision that is already present
              in the repo,
     workingfilectx: a filecontext that represents files from the working
                     directory,
     memfilectx: a filecontext that represents files in-memory."""
     def __new__(cls, repo, path, *args, **kwargs):
         return super(basefilectx, cls).__new__(cls)
 
     @propertycache
     def _filelog(self):
         return self._repo.file(self._path)
 
     @propertycache
     def _changeid(self):
         if '_changeid' in self.__dict__:
             return self._changeid
         elif '_changectx' in self.__dict__:
             return self._changectx.rev()
         else:
             return self._filelog.linkrev(self._filerev)
 
     @propertycache
     def _filenode(self):
         if '_fileid' in self.__dict__:
             return self._filelog.lookup(self._fileid)
         else:
             return self._changectx.filenode(self._path)
 
     @propertycache
     def _filerev(self):
         return self._filelog.rev(self._filenode)
 
     @propertycache
     def _repopath(self):
         return self._path
 
     def __nonzero__(self):
         try:
             self._filenode
             return True
         except error.LookupError:
             # file is missing
             return False
 
     def __str__(self):
         return "%s@%s" % (self.path(), self._changectx)
 
     def __repr__(self):
         return "<%s %s>" % (type(self).__name__, str(self))
 
     def __hash__(self):
         try:
             return hash((self._path, self._filenode))
         except AttributeError:
             return id(self)
 
     def __eq__(self, other):
         try:
             return (type(self) == type(other) and self._path == other._path
                     and self._filenode == other._filenode)
         except AttributeError:
             return False
 
     def __ne__(self, other):
         return not (self == other)
 
     def filerev(self):
         return self._filerev
     def filenode(self):
         return self._filenode
     def flags(self):
         return self._changectx.flags(self._path)
     def filelog(self):
         return self._filelog
     def rev(self):
         return self._changeid
     def linkrev(self):
         return self._filelog.linkrev(self._filerev)
     def node(self):
         return self._changectx.node()
     def hex(self):
         return self._changectx.hex()
     def user(self):
         return self._changectx.user()
     def date(self):
         return self._changectx.date()
     def files(self):
         return self._changectx.files()
     def description(self):
         return self._changectx.description()
     def branch(self):
         return self._changectx.branch()
     def extra(self):
         return self._changectx.extra()
     def phase(self):
         return self._changectx.phase()
     def phasestr(self):
         return self._changectx.phasestr()
     def manifest(self):
         return self._changectx.manifest()
     def changectx(self):
         return self._changectx
 
     def path(self):
         return self._path
 
     def isbinary(self):
         try:
             return util.binary(self.data())
         except IOError:
             return False
     def isexec(self):
         return 'x' in self.flags()
     def islink(self):
         return 'l' in self.flags()
 
     def cmp(self, fctx):
         """compare with other file context
 
         returns True if different than fctx.
         """
         if (fctx._filerev is None
             and (self._repo._encodefilterpats
                  # if file data starts with '\1\n', empty metadata block is
                  # prepended, which adds 4 bytes to filelog.size().
                  or self.size() - 4 == fctx.size())
             or self.size() == fctx.size()):
             return self._filelog.cmp(self._filenode, fctx.data())
 
         return True
 
     def parents(self):
         _path = self._path
         fl = self._filelog
         pl = [(_path, n, fl) for n in self._filelog.parents(self._filenode)]
 
         r = self._filelog.renamed(self._filenode)
         if r:
             pl[0] = (r[0], r[1], None)
 
         return [filectx(self._repo, p, fileid=n, filelog=l)
                 for p, n, l in pl if n != nullid]
 
     def p1(self):
         return self.parents()[0]
 
     def p2(self):
         p = self.parents()
         if len(p) == 2:
             return p[1]
         return filectx(self._repo, self._path, fileid=-1, filelog=self._filelog)
 
     def annotate(self, follow=False, linenumber=None, diffopts=None):
         '''returns a list of tuples of (ctx, line) for each line
         in the file, where ctx is the filectx of the node where
         that line was last changed.
         This returns tuples of ((ctx, linenumber), line) for each line,
         if "linenumber" parameter is NOT "None".
         In such tuples, linenumber means one at the first appearance
         in the managed file.
         To reduce annotation cost,
         this returns fixed value(False is used) as linenumber,
         if "linenumber" parameter is "False".'''
 
         if linenumber is None:
             def decorate(text, rev):
                 return ([rev] * len(text.splitlines()), text)
         elif linenumber:
             def decorate(text, rev):
                 size = len(text.splitlines())
                 return ([(rev, i) for i in xrange(1, size + 1)], text)
         else:
             def decorate(text, rev):
                 return ([(rev, False)] * len(text.splitlines()), text)
 
         def pair(parent, child):
             blocks = mdiff.allblocks(parent[1], child[1], opts=diffopts,
                                      refine=True)
             for (a1, a2, b1, b2), t in blocks:
                 # Changed blocks ('!') or blocks made only of blank lines ('~')
                 # belong to the child.
                 if t == '=':
                     child[0][b1:b2] = parent[0][a1:a2]
             return child
 
         getlog = util.lrucachefunc(lambda x: self._repo.file(x))
 
         def parents(f):
             pl = f.parents()
 
             # Don't return renamed parents if we aren't following.
             if not follow:
                 pl = [p for p in pl if p.path() == f.path()]
 
             # renamed filectx won't have a filelog yet, so set it
             # from the cache to save time
             for p in pl:
                 if not '_filelog' in p.__dict__:
                     p._filelog = getlog(p.path())
 
             return pl
 
         # use linkrev to find the first changeset where self appeared
         if self.rev() != self.linkrev():
             base = self.filectx(self.filenode())
         else:
             base = self
 
         # This algorithm would prefer to be recursive, but Python is a
         # bit recursion-hostile. Instead we do an iterative
         # depth-first search.
 
         visit = [base]
         hist = {}
         pcache = {}
         needed = {base: 1}
         while visit:
             f = visit[-1]
             pcached = f in pcache
             if not pcached:
                 pcache[f] = parents(f)
 
             ready = True
             pl = pcache[f]
             for p in pl:
                 if p not in hist:
                     ready = False
                     visit.append(p)
                 if not pcached:
                     needed[p] = needed.get(p, 0) + 1
             if ready:
                 visit.pop()
                 reusable = f in hist
                 if reusable:
                     curr = hist[f]
                 else:
                     curr = decorate(f.data(), f)
                 for p in pl:
                     if not reusable:
                         curr = pair(hist[p], curr)
                     if needed[p] == 1:
                         del hist[p]
                         del needed[p]
                     else:
                         needed[p] -= 1
 
                 hist[f] = curr
                 pcache[f] = []
 
         return zip(hist[base][0], hist[base][1].splitlines(True))
 
     def ancestors(self, followfirst=False):
         visit = {}
         c = self
         cut = followfirst and 1 or None
         while True:
             for parent in c.parents()[:cut]:
                 visit[(parent.rev(), parent.node())] = parent
             if not visit:
                 break
             c = visit.pop(max(visit))
             yield c
 
 class filectx(basefilectx):
     """A filecontext object makes access to data related to a particular
        filerevision convenient."""
     def __init__(self, repo, path, changeid=None, fileid=None,
                  filelog=None, changectx=None):
         """changeid can be a changeset revision, node, or tag.
            fileid can be a file revision or node."""
         self._repo = repo
         self._path = path
 
         assert (changeid is not None
                 or fileid is not None
                 or changectx is not None), \
                 ("bad args: changeid=%r, fileid=%r, changectx=%r"
                  % (changeid, fileid, changectx))
 
         if filelog is not None:
             self._filelog = filelog
 
         if changeid is not None:
             self._changeid = changeid
         if changectx is not None:
             self._changectx = changectx
         if fileid is not None:
             self._fileid = fileid
 
     @propertycache
     def _changectx(self):
         try:
             return changectx(self._repo, self._changeid)
         except error.RepoLookupError:
             # Linkrev may point to any revision in the repository.  When the
             # repository is filtered this may lead to `filectx` trying to build
             # `changectx` for filtered revision. In such case we fallback to
             # creating `changectx` on the unfiltered version of the reposition.
             # This fallback should not be an issue because `changectx` from
             # `filectx` are not used in complex operations that care about
             # filtering.
             #
             # This fallback is a cheap and dirty fix that prevent several
             # crashes. It does not ensure the behavior is correct. However the
             # behavior was not correct before filtering either and "incorrect
             # behavior" is seen as better as "crash"
             #
             # Linkrevs have several serious troubles with filtering that are
             # complicated to solve. Proper handling of the issue here should be
             # considered when solving linkrev issue are on the table.
             return changectx(self._repo.unfiltered(), self._changeid)
 
     def filectx(self, fileid):
         '''opens an arbitrary revision of the file without
         opening a new filelog'''
         return filectx(self._repo, self._path, fileid=fileid,
                        filelog=self._filelog)
 
     def data(self):
         try:
             return self._filelog.read(self._filenode)
         except error.CensoredNodeError:
             if self._repo.ui.config("censor", "policy", "abort") == "ignore":
                 return ""
             raise util.Abort(_("censored node: %s") % short(self._filenode),
                              hint=_("set censor.policy to ignore errors"))
 
     def size(self):
         return self._filelog.size(self._filerev)
 
     def renamed(self):
         """check if file was actually renamed in this changeset revision
 
         If rename logged in file revision, we report copy for changeset only
         if file revisions linkrev points back to the changeset in question
         or both changeset parents contain different file revisions.
         """
 
         renamed = self._filelog.renamed(self._filenode)
         if not renamed:
             return renamed
 
         if self.rev() == self.linkrev():
             return renamed
 
         name = self.path()
         fnode = self._filenode
         for p in self._changectx.parents():
             try:
                 if fnode == p.filenode(name):
                     return None
             except error.LookupError:
                 pass
         return renamed
 
     def children(self):
         # hard for renames
         c = self._filelog.children(self._filenode)
         return [filectx(self._repo, self._path, fileid=x,
                         filelog=self._filelog) for x in c]
 
 class committablectx(basectx):
     """A committablectx object provides common functionality for a context that
     wants the ability to commit, e.g. workingctx or memctx."""
     def __init__(self, repo, text="", user=None, date=None, extra=None,
                  changes=None):
         self._repo = repo
         self._rev = None
         self._node = None
         self._text = text
         if date:
             self._date = util.parsedate(date)
         if user:
             self._user = user
         if changes:
             self._status = changes
 
         self._extra = {}
         if extra:
             self._extra = extra.copy()
         if 'branch' not in self._extra:
             try:
                 branch = encoding.fromlocal(self._repo.dirstate.branch())
             except UnicodeDecodeError:
                 raise util.Abort(_('branch name not in UTF-8!'))
             self._extra['branch'] = branch
         if self._extra['branch'] == '':
             self._extra['branch'] = 'default'
 
     def __str__(self):
         return str(self._parents[0]) + "+"
 
     def __nonzero__(self):
         return True
 
     def _buildflagfunc(self):
         # Create a fallback function for getting file flags when the
         # filesystem doesn't support them
 
         copiesget = self._repo.dirstate.copies().get
 
         if len(self._parents) < 2:
             # when we have one parent, it's easy: copy from parent
             man = self._parents[0].manifest()
             def func(f):
                 f = copiesget(f, f)
                 return man.flags(f)
         else:
             # merges are tricky: we try to reconstruct the unstored
             # result from the merge (issue1802)
             p1, p2 = self._parents
             pa = p1.ancestor(p2)
             m1, m2, ma = p1.manifest(), p2.manifest(), pa.manifest()
 
             def func(f):
                 f = copiesget(f, f) # may be wrong for merges with copies
                 fl1, fl2, fla = m1.flags(f), m2.flags(f), ma.flags(f)
                 if fl1 == fl2:
                     return fl1
                 if fl1 == fla:
                     return fl2
                 if fl2 == fla:
                     return fl1
                 return '' # punt for conflicts
 
         return func
 
     @propertycache
     def _flagfunc(self):
         return self._repo.dirstate.flagfunc(self._buildflagfunc)
 
     @propertycache
     def _manifest(self):
         """generate a manifest corresponding to the values in self._status
 
         This reuse the file nodeid from parent, but we append an extra letter
         when modified. Modified files get an extra 'm' while added files get
         an extra 'a'. This is used by manifests merge to see that files
         are different and by update logic to avoid deleting newly added files.
         """
 
         man1 = self._parents[0].manifest()
         man = man1.copy()
         if len(self._parents) > 1:
             man2 = self.p2().manifest()
             def getman(f):
                 if f in man1:
                     return man1
                 return man2
         else:
             getman = lambda f: man1
 
         copied = self._repo.dirstate.copies()
         ff = self._flagfunc
         for i, l in (("a", self._status.added), ("m", self._status.modified)):
             for f in l:
                 orig = copied.get(f, f)
                 man[f] = getman(orig).get(orig, nullid) + i
                 try:
                     man.setflag(f, ff(f))
                 except OSError:
                     pass
 
         for f in self._status.deleted + self._status.removed:
             if f in man:
                 del man[f]
 
         return man
 
     @propertycache
     def _status(self):
         return self._repo.status()
 
     @propertycache
     def _user(self):
         return self._repo.ui.username()
 
     @propertycache
     def _date(self):
         return util.makedate()
 
     def subrev(self, subpath):
         return None
 
     def user(self):
         return self._user or self._repo.ui.username()
     def date(self):
         return self._date
     def description(self):
         return self._text
     def files(self):
         return sorted(self._status.modified + self._status.added +
                       self._status.removed)
 
     def modified(self):
         return self._status.modified
     def added(self):
         return self._status.added
     def removed(self):
         return self._status.removed
     def deleted(self):
         return self._status.deleted
     def unknown(self):
         return self._status.unknown
     def ignored(self):
         return self._status.ignored
     def clean(self):
         return self._status.clean
     def branch(self):
         return encoding.tolocal(self._extra['branch'])
     def closesbranch(self):
         return 'close' in self._extra
     def extra(self):
         return self._extra
 
     def tags(self):
         t = []
         for p in self.parents():
             t.extend(p.tags())
         return t
 
     def bookmarks(self):
         b = []
         for p in self.parents():
             b.extend(p.bookmarks())
         return b
 
     def phase(self):
         phase = phases.draft # default phase to draft
         for p in self.parents():
             phase = max(phase, p.phase())
         return phase
 
     def hidden(self):
         return False
 
     def children(self):
         return []
 
     def flags(self, path):
         if '_manifest' in self.__dict__:
             try:
                 return self._manifest.flags(path)
             except KeyError:
                 return ''
 
         try:
             return self._flagfunc(path)
         except OSError:
             return ''
 
     def ancestor(self, c2):
         """return the "best" ancestor context of self and c2"""
         return self._parents[0].ancestor(c2) # punt on two parents for now
 
     def walk(self, match):
         return sorted(self._repo.dirstate.walk(match, sorted(self.substate),
                                                True, False))
 
     def matches(self, match):
         return sorted(self._repo.dirstate.matches(match))
 
     def ancestors(self):
         for a in self._repo.changelog.ancestors(
             [p.rev() for p in self._parents]):
             yield changectx(self._repo, a)
 
     def markcommitted(self, node):
         """Perform post-commit cleanup necessary after committing this ctx
 
         Specifically, this updates backing stores this working context
         wraps to reflect the fact that the changes reflected by this
         workingctx have been committed.  For example, it marks
         modified and added files as normal in the dirstate.
 
         """
 
         self._repo.dirstate.beginparentchange()
         for f in self.modified() + self.added():
             self._repo.dirstate.normal(f)
         for f in self.removed():
             self._repo.dirstate.drop(f)
         self._repo.dirstate.setparents(node)
         self._repo.dirstate.endparentchange()
 
     def dirs(self):
         return self._repo.dirstate.dirs()
 
 class workingctx(committablectx):
     """A workingctx object makes access to data related to
     the current working directory convenient.
     date - any valid date string or (unixtime, offset), or None.
     user - username string, or None.
     extra - a dictionary of extra values, or None.
     changes - a list of file lists as returned by localrepo.status()
                or None to use the repository status.
     """
     def __init__(self, repo, text="", user=None, date=None, extra=None,
                  changes=None):
         super(workingctx, self).__init__(repo, text, user, date, extra, changes)
 
     def __iter__(self):
         d = self._repo.dirstate
         for f in d:
             if d[f] != 'r':
                 yield f
 
     def __contains__(self, key):
         return self._repo.dirstate[key] not in "?r"
 
     @propertycache
     def _parents(self):
         p = self._repo.dirstate.parents()
         if p[1] == nullid:
             p = p[:-1]
         return [changectx(self._repo, x) for x in p]
 
     def filectx(self, path, filelog=None):
         """get a file context from the working directory"""
         return workingfilectx(self._repo, path, workingctx=self,
                               filelog=filelog)
 
     def dirty(self, missing=False, merge=True, branch=True):
         "check whether a working directory is modified"
         # check subrepos first
         for s in sorted(self.substate):
             if self.sub(s).dirty():
                 return True
         # check current working dir
         return ((merge and self.p2()) or
                 (branch and self.branch() != self.p1().branch()) or
                 self.modified() or self.added() or self.removed() or
                 (missing and self.deleted()))
 
     def add(self, list, prefix=""):
         join = lambda f: os.path.join(prefix, f)
         wlock = self._repo.wlock()
         ui, ds = self._repo.ui, self._repo.dirstate
         try:
             rejected = []
             lstat = self._repo.wvfs.lstat
             for f in list:
                 scmutil.checkportable(ui, join(f))
                 try:
                     st = lstat(f)
                 except OSError:
                     ui.warn(_("%s does not exist!\n") % join(f))
                     rejected.append(f)
                     continue
                 if st.st_size > 10000000:
                     ui.warn(_("%s: up to %d MB of RAM may be required "
                               "to manage this file\n"
                               "(use 'hg revert %s' to cancel the "
                               "pending addition)\n")
                               % (f, 3 * st.st_size // 1000000, join(f)))
                 if not (stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode)):
                     ui.warn(_("%s not added: only files and symlinks "
                               "supported currently\n") % join(f))
                     rejected.append(f)
                 elif ds[f] in 'amn':
                     ui.warn(_("%s already tracked!\n") % join(f))
                 elif ds[f] == 'r':
                     ds.normallookup(f)
                 else:
                     ds.add(f)
             return rejected
         finally:
             wlock.release()
 
     def forget(self, files, prefix=""):
         join = lambda f: os.path.join(prefix, f)
         wlock = self._repo.wlock()
         try:
             rejected = []
             for f in files:
                 if f not in self._repo.dirstate:
                     self._repo.ui.warn(_("%s not tracked!\n") % join(f))
                     rejected.append(f)
                 elif self._repo.dirstate[f] != 'a':
                     self._repo.dirstate.remove(f)
                 else:
                     self._repo.dirstate.drop(f)
             return rejected
         finally:
             wlock.release()
 
     def undelete(self, list):
         pctxs = self.parents()
         wlock = self._repo.wlock()
         try:
             for f in list:
                 if self._repo.dirstate[f] != 'r':
                     self._repo.ui.warn(_("%s not removed!\n") % f)
                 else:
                     fctx = f in pctxs[0] and pctxs[0][f] or pctxs[1][f]
                     t = fctx.data()
                     self._repo.wwrite(f, t, fctx.flags())
                     self._repo.dirstate.normal(f)
         finally:
             wlock.release()
 
     def copy(self, source, dest):
         try:
             st = self._repo.wvfs.lstat(dest)
         except OSError, err:
             if err.errno != errno.ENOENT:
                 raise
             self._repo.ui.warn(_("%s does not exist!\n") % dest)
             return
         if not (stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode)):
             self._repo.ui.warn(_("copy failed: %s is not a file or a "
                                  "symbolic link\n") % dest)
         else:
             wlock = self._repo.wlock()
             try:
                 if self._repo.dirstate[dest] in '?':
                     self._repo.dirstate.add(dest)
                 elif self._repo.dirstate[dest] in 'r':
                     self._repo.dirstate.normallookup(dest)
                 self._repo.dirstate.copy(source, dest)
             finally:
                 wlock.release()
 
     def _filtersuspectsymlink(self, files):
         if not files or self._repo.dirstate._checklink:
             return files
 
         # Symlink placeholders may get non-symlink-like contents
         # via user error or dereferencing by NFS or Samba servers,
         # so we filter out any placeholders that don't look like a
         # symlink
         sane = []
         for f in files:
             if self.flags(f) == 'l':
                 d = self[f].data()
                 if d == '' or len(d) >= 1024 or '\n' in d or util.binary(d):
                     self._repo.ui.debug('ignoring suspect symlink placeholder'
                                         ' "%s"\n' % f)
                     continue
             sane.append(f)
         return sane
 
     def _checklookup(self, files):
         # check for any possibly clean files
         if not files:
             return [], []
 
         modified = []
         fixup = []
         pctx = self._parents[0]
         # do a full compare of any files that might have changed
         for f in sorted(files):
             if (f not in pctx or self.flags(f) != pctx.flags(f)
                 or pctx[f].cmp(self[f])):
                 modified.append(f)
             else:
                 fixup.append(f)
 
         # update dirstate for files that are actually clean
         if fixup:
             try:
                 # updating the dirstate is optional
                 # so we don't wait on the lock
                 # wlock can invalidate the dirstate, so cache normal _after_
                 # taking the lock
                 wlock = self._repo.wlock(False)
                 normal = self._repo.dirstate.normal
                 try:
                     for f in fixup:
                         normal(f)
                 finally:
                     wlock.release()
             except error.LockError:
                 pass
         return modified, fixup
 
     def _manifestmatches(self, match, s):
         """Slow path for workingctx
 
         The fast path is when we compare the working directory to its parent
         which means this function is comparing with a non-parent; therefore we
         need to build a manifest and return what matches.
         """
         mf = self._repo['.']._manifestmatches(match, s)
         for f in s.modified + s.added:
-            mf[f] = None
+            mf[f] = _newnode
             mf.setflag(f, self.flags(f))
         for f in s.removed:
             if f in mf:
                 del mf[f]
         return mf
 
     def _dirstatestatus(self, match=None, ignored=False, clean=False,
                         unknown=False):
         '''Gets the status from the dirstate -- internal use only.'''
         listignored, listclean, listunknown = ignored, clean, unknown
         match = match or matchmod.always(self._repo.root, self._repo.getcwd())
         subrepos = []
         if '.hgsub' in self:
             subrepos = sorted(self.substate)
         cmp, s = self._repo.dirstate.status(match, subrepos, listignored,
                                             listclean, listunknown)
 
         # check for any possibly clean files
         if cmp:
             modified2, fixup = self._checklookup(cmp)
             s.modified.extend(modified2)
 
             # update dirstate for files that are actually clean
             if fixup and listclean:
                 s.clean.extend(fixup)
 
         return s
 
     def _buildstatus(self, other, s, match, listignored, listclean,
                      listunknown):
         """build a status with respect to another context
 
         This includes logic for maintaining the fast path of status when
         comparing the working directory against its parent, which is to skip
         building a new manifest if self (working directory) is not comparing
         against its parent (repo['.']).
         """
         s = self._dirstatestatus(match, listignored, listclean, listunknown)
         # Filter out symlinks that, in the case of FAT32 and NTFS filesystems,
         # might have accidentally ended up with the entire contents of the file
         # they are supposed to be linking to.
         s.modified[:] = self._filtersuspectsymlink(s.modified)
         if other != self._repo['.']:
             s = super(workingctx, self)._buildstatus(other, s, match,
                                                      listignored, listclean,
                                                      listunknown)
         self._status = s
         return s
 
     def _matchstatus(self, other, match):
         """override the match method with a filter for directory patterns
 
         We use inheritance to customize the match.bad method only in cases of
         workingctx since it belongs only to the working directory when
         comparing against the parent changeset.
 
         If we aren't comparing against the working directory's parent, then we
         just use the default match object sent to us.
         """
         superself = super(workingctx, self)
         match = superself._matchstatus(other, match)
         if other != self._repo['.']:
             def bad(f, msg):
                 # 'f' may be a directory pattern from 'match.files()',
                 # so 'f not in ctx1' is not enough
                 if f not in other and f not in other.dirs():
                     self._repo.ui.warn('%s: %s\n' %
                                        (self._repo.dirstate.pathto(f), msg))
             match.bad = bad
         return match
 
 class committablefilectx(basefilectx):
     """A committablefilectx provides common functionality for a file context
     that wants the ability to commit, e.g. workingfilectx or memfilectx."""
     def __init__(self, repo, path, filelog=None, ctx=None):
         self._repo = repo
         self._path = path
         self._changeid = None
         self._filerev = self._filenode = None
 
         if filelog is not None:
             self._filelog = filelog
         if ctx:
             self._changectx = ctx
 
     def __nonzero__(self):
         return True
 
     def parents(self):
         '''return parent filectxs, following copies if necessary'''
         def filenode(ctx, path):
             return ctx._manifest.get(path, nullid)
 
         path = self._path
         fl = self._filelog
         pcl = self._changectx._parents
         renamed = self.renamed()
 
         if renamed:
             pl = [renamed + (None,)]
         else:
             pl = [(path, filenode(pcl[0], path), fl)]
 
         for pc in pcl[1:]:
             pl.append((path, filenode(pc, path), fl))
 
         return [filectx(self._repo, p, fileid=n, filelog=l)
                 for p, n, l in pl if n != nullid]
 
     def children(self):
         return []
 
 class workingfilectx(committablefilectx):
     """A workingfilectx object makes access to data related to a particular
        file in the working directory convenient."""
     def __init__(self, repo, path, filelog=None, workingctx=None):
         super(workingfilectx, self).__init__(repo, path, filelog, workingctx)
 
     @propertycache
     def _changectx(self):
         return workingctx(self._repo)
 
     def data(self):
         return self._repo.wread(self._path)
     def renamed(self):
         rp = self._repo.dirstate.copied(self._path)
         if not rp:
             return None
         return rp, self._changectx._parents[0]._manifest.get(rp, nullid)
 
     def size(self):
         return self._repo.wvfs.lstat(self._path).st_size
     def date(self):
         t, tz = self._changectx.date()
         try:
             return (int(self._repo.wvfs.lstat(self._path).st_mtime), tz)
         except OSError, err:
             if err.errno != errno.ENOENT:
                 raise
             return (t, tz)
 
     def cmp(self, fctx):
         """compare with other file context
 
         returns True if different than fctx.
         """
         # fctx should be a filectx (not a workingfilectx)
         # invert comparison to reuse the same code path
         return fctx.cmp(self)
 
     def remove(self, ignoremissing=False):
         """wraps unlink for a repo's working directory"""
         util.unlinkpath(self._repo.wjoin(self._path), ignoremissing)
 
     def write(self, data, flags):
         """wraps repo.wwrite"""
         self._repo.wwrite(self._path, data, flags)
 
 class memctx(committablectx):
     """Use memctx to perform in-memory commits via localrepo.commitctx().
 
     Revision information is supplied at initialization time while
     related files data and is made available through a callback
     mechanism.  'repo' is the current localrepo, 'parents' is a
     sequence of two parent revisions identifiers (pass None for every
     missing parent), 'text' is the commit message and 'files' lists
     names of files touched by the revision (normalized and relative to
     repository root).
 
     filectxfn(repo, memctx, path) is a callable receiving the
     repository, the current memctx object and the normalized path of
     requested file, relative to repository root. It is fired by the
     commit function for every file in 'files', but calls order is
     undefined. If the file is available in the revision being
     committed (updated or added), filectxfn returns a memfilectx
     object. If the file was removed, filectxfn raises an
     IOError. Moved files are represented by marking the source file
     removed and the new file added with copy information (see
     memfilectx).
 
     user receives the committer name and defaults to current
     repository username, date is the commit date in any format
     supported by util.parsedate() and defaults to current date, extra
     is a dictionary of metadata or is left empty.
     """
 
     # Mercurial <= 3.1 expects the filectxfn to raise IOError for missing files.
     # Extensions that need to retain compatibility across Mercurial 3.1 can use
     # this field to determine what to do in filectxfn.
     _returnnoneformissingfiles = True
 
     def __init__(self, repo, parents, text, files, filectxfn, user=None,
                  date=None, extra=None, editor=False):
         super(memctx, self).__init__(repo, text, user, date, extra)
         self._rev = None
         self._node = None
         parents = [(p or nullid) for p in parents]
         p1, p2 = parents
         self._parents = [changectx(self._repo, p) for p in (p1, p2)]
         files = sorted(set(files))
         self._files = files
         self.substate = {}
 
         # if store is not callable, wrap it in a function
         if not callable(filectxfn):
             def getfilectx(repo, memctx, path):
                 fctx = filectxfn[path]
                 # this is weird but apparently we only keep track of one parent
                 # (why not only store that instead of a tuple?)
                 copied = fctx.renamed()
                 if copied:
                     copied = copied[0]
                 return memfilectx(repo, path, fctx.data(),
                                   islink=fctx.islink(), isexec=fctx.isexec(),
                                   copied=copied, memctx=memctx)
             self._filectxfn = getfilectx
         else:
             # "util.cachefunc" reduces invocation of possibly expensive
             # "filectxfn" for performance (e.g. converting from another VCS)
             self._filectxfn = util.cachefunc(filectxfn)
 
         self._extra = extra and extra.copy() or {}
         if self._extra.get('branch', '') == '':
             self._extra['branch'] = 'default'
 
         if editor:
             self._text = editor(self._repo, self, [])
             self._repo.savecommitmessage(self._text)
 
     def filectx(self, path, filelog=None):
         """get a file context from the working directory
 
         Returns None if file doesn't exist and should be removed."""
         return self._filectxfn(self._repo, self, path)
 
     def commit(self):
         """commit context to the repo"""
         return self._repo.commitctx(self)
 
     @propertycache
     def _manifest(self):
         """generate a manifest based on the return values of filectxfn"""
 
         # keep this simple for now; just worry about p1
         pctx = self._parents[0]
         pman = pctx.manifest()
         man = pctx.manifest().copy()
 
         for f, fnode in pman.iteritems():
             p1node = nullid
             p2node = nullid
             p = pctx[f].parents() # if file isn't in pctx, check p2?
             if len(p) > 0:
                 p1node = p[0].node()
                 if len(p) > 1:
                     p2node = p[1].node()
             fctx = self[f]
             if fctx is None:
                 # removed file
                 del man[f]
             else:
                 man[f] = revlog.hash(fctx.data(), p1node, p2node)
 
         for f in self._status.added:
             man[f] = revlog.hash(self[f].data(), nullid, nullid)
 
         for f in self._status.removed:
             if f in man:
                 del man[f]
 
         return man
 
     @propertycache
     def _status(self):
         """Calculate exact status from ``files`` specified at construction
         """
         man1 = self.p1().manifest()
         p2 = self._parents[1]
         # "1 < len(self._parents)" can't be used for checking
         # existence of the 2nd parent, because "memctx._parents" is
         # explicitly initialized by the list, of which length is 2.
         if p2.node() != nullid:
             man2 = p2.manifest()
             managing = lambda f: f in man1 or f in man2
         else:
             managing = lambda f: f in man1
 
         modified, added, removed = [], [], []
         for f in self._files:
             if not managing(f):
                 added.append(f)
             elif self[f]:
                 modified.append(f)
             else:
                 removed.append(f)
 
         return scmutil.status(modified, added, removed, [], [], [], [])
 
 class memfilectx(committablefilectx):
     """memfilectx represents an in-memory file to commit.
 
     See memctx and committablefilectx for more details.
     """
     def __init__(self, repo, path, data, islink=False,
                  isexec=False, copied=None, memctx=None):
         """
         path is the normalized file path relative to repository root.
         data is the file content as a string.
         islink is True if the file is a symbolic link.
         isexec is True if the file is executable.
         copied is the source file path if current file was copied in the
         revision being committed, or None."""
         super(memfilectx, self).__init__(repo, path, None, memctx)
         self._data = data
         self._flags = (islink and 'l' or '') + (isexec and 'x' or '')
         self._copied = None
         if copied:
             self._copied = (copied, nullid)
 
     def data(self):
         return self._data
     def size(self):
         return len(self.data())
     def flags(self):
         return self._flags
     def renamed(self):
         return self._copied
 
     def remove(self, ignoremissing=False):
         """wraps unlink for a repo's working directory"""
         # need to figure out what to do here
         del self._changectx[self._path]
 
     def write(self, data, flags):
         """wraps repo.wwrite"""
         self._data = data

mercurial/encoding.py

@@ -1,438 +1,460 b''
 # encoding.py - character transcoding support for Mercurial
 #
 #  Copyright 2005-2009 Matt Mackall <[e-mail]> and others
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 import error
 import unicodedata, locale, os
 
+# These unicode characters are ignored by HFS+ (Apple Technote 1150,
+# "Unicode Subtleties"), so we need to ignore them in some places for
+# sanity.
+_ignore = [unichr(int(x, 16)).encode("utf-8") for x in
+           "200c 200d 200e 200f 202a 202b 202c 202d 202e "
+           "206a 206b 206c 206d 206e 206f feff".split()]
+# verify the next function will work
+assert set([i[0] for i in _ignore]) == set(["\xe2", "\xef"])
+
+def hfsignoreclean(s):
+    """Remove codepoints ignored by HFS+ from s.
+
+    >>> hfsignoreclean(u'.h\u200cg'.encode('utf-8'))
+    '.hg'
+    >>> hfsignoreclean(u'.h\ufeffg'.encode('utf-8'))
+    '.hg'
+    """
+    if "\xe2" in s or "\xef" in s:
+        for c in _ignore:
+            s = s.replace(c, '')
+    return s
+
 def _getpreferredencoding():
     '''
     On darwin, getpreferredencoding ignores the locale environment and
     always returns mac-roman. http://bugs.python.org/issue6202 fixes this
     for Python 2.7 and up. This is the same corrected code for earlier
     Python versions.
 
     However, we can't use a version check for this method, as some distributions
     patch Python to fix this. Instead, we use it as a 'fixer' for the mac-roman
     encoding, as it is unlikely that this encoding is the actually expected.
     '''
     try:
         locale.CODESET
     except AttributeError:
         # Fall back to parsing environment variables :-(
         return locale.getdefaultlocale()[1]
 
     oldloc = locale.setlocale(locale.LC_CTYPE)
     locale.setlocale(locale.LC_CTYPE, "")
     result = locale.nl_langinfo(locale.CODESET)
     locale.setlocale(locale.LC_CTYPE, oldloc)
 
     return result
 
 _encodingfixers = {
     '646': lambda: 'ascii',
     'ANSI_X3.4-1968': lambda: 'ascii',
     'mac-roman': _getpreferredencoding
 }
 
 try:
     encoding = os.environ.get("HGENCODING")
     if not encoding:
         encoding = locale.getpreferredencoding() or 'ascii'
         encoding = _encodingfixers.get(encoding, lambda: encoding)()
 except locale.Error:
     encoding = 'ascii'
 encodingmode = os.environ.get("HGENCODINGMODE", "strict")
 fallbackencoding = 'ISO-8859-1'
 
 class localstr(str):
     '''This class allows strings that are unmodified to be
     round-tripped to the local encoding and back'''
     def __new__(cls, u, l):
         s = str.__new__(cls, l)
         s._utf8 = u
         return s
     def __hash__(self):
         return hash(self._utf8) # avoid collisions in local string space
 
 def tolocal(s):
     """
     Convert a string from internal UTF-8 to local encoding
 
     All internal strings should be UTF-8 but some repos before the
     implementation of locale support may contain latin1 or possibly
     other character sets. We attempt to decode everything strictly
     using UTF-8, then Latin-1, and failing that, we use UTF-8 and
     replace unknown characters.
 
     The localstr class is used to cache the known UTF-8 encoding of
     strings next to their local representation to allow lossless
     round-trip conversion back to UTF-8.
 
     >>> u = 'foo: \\xc3\\xa4' # utf-8
     >>> l = tolocal(u)
     >>> l
     'foo: ?'
     >>> fromlocal(l)
     'foo: \\xc3\\xa4'
     >>> u2 = 'foo: \\xc3\\xa1'
     >>> d = { l: 1, tolocal(u2): 2 }
     >>> len(d) # no collision
     2
     >>> 'foo: ?' in d
     False
     >>> l1 = 'foo: \\xe4' # historical latin1 fallback
     >>> l = tolocal(l1)
     >>> l
     'foo: ?'
     >>> fromlocal(l) # magically in utf-8
     'foo: \\xc3\\xa4'
     """
 
     try:
         try:
             # make sure string is actually stored in UTF-8
             u = s.decode('UTF-8')
             if encoding == 'UTF-8':
                 # fast path
                 return s
             r = u.encode(encoding, "replace")
             if u == r.decode(encoding):
                 # r is a safe, non-lossy encoding of s
                 return r
             return localstr(s, r)
         except UnicodeDecodeError:
             # we should only get here if we're looking at an ancient changeset
             try:
                 u = s.decode(fallbackencoding)
                 r = u.encode(encoding, "replace")
                 if u == r.decode(encoding):
                     # r is a safe, non-lossy encoding of s
                     return r
                 return localstr(u.encode('UTF-8'), r)
             except UnicodeDecodeError:
                 u = s.decode("utf-8", "replace") # last ditch
                 return u.encode(encoding, "replace") # can't round-trip
     except LookupError, k:
         raise error.Abort(k, hint="please check your locale settings")
 
 def fromlocal(s):
     """
     Convert a string from the local character encoding to UTF-8
 
     We attempt to decode strings using the encoding mode set by
     HGENCODINGMODE, which defaults to 'strict'. In this mode, unknown
     characters will cause an error message. Other modes include
     'replace', which replaces unknown characters with a special
     Unicode character, and 'ignore', which drops the character.
     """
 
     # can we do a lossless round-trip?
     if isinstance(s, localstr):
         return s._utf8
 
     try:
         return s.decode(encoding, encodingmode).encode("utf-8")
     except UnicodeDecodeError, inst:
         sub = s[max(0, inst.start - 10):inst.start + 10]
         raise error.Abort("decoding near '%s': %s!" % (sub, inst))
     except LookupError, k:
         raise error.Abort(k, hint="please check your locale settings")
 
 # How to treat ambiguous-width characters. Set to 'wide' to treat as wide.
 wide = (os.environ.get("HGENCODINGAMBIGUOUS", "narrow") == "wide"
         and "WFA" or "WF")
 
 def colwidth(s):
     "Find the column width of a string for display in the local encoding"
     return ucolwidth(s.decode(encoding, 'replace'))
 
 def ucolwidth(d):
     "Find the column width of a Unicode string for display"
     eaw = getattr(unicodedata, 'east_asian_width', None)
     if eaw is not None:
         return sum([eaw(c) in wide and 2 or 1 for c in d])
     return len(d)
 
 def getcols(s, start, c):
     '''Use colwidth to find a c-column substring of s starting at byte
     index start'''
     for x in xrange(start + c, len(s)):
         t = s[start:x]
         if colwidth(t) == c:
             return t
 
 def trim(s, width, ellipsis='', leftside=False):
     """Trim string 's' to at most 'width' columns (including 'ellipsis').
 
     If 'leftside' is True, left side of string 's' is trimmed.
     'ellipsis' is always placed at trimmed side.
 
     >>> ellipsis = '+++'
     >>> from mercurial import encoding
     >>> encoding.encoding = 'utf-8'
     >>> t= '1234567890'
     >>> print trim(t, 12, ellipsis=ellipsis)
     1234567890
     >>> print trim(t, 10, ellipsis=ellipsis)
     1234567890
     >>> print trim(t, 8, ellipsis=ellipsis)
     12345+++
     >>> print trim(t, 8, ellipsis=ellipsis, leftside=True)
     +++67890
     >>> print trim(t, 8)
     12345678
     >>> print trim(t, 8, leftside=True)
     34567890
     >>> print trim(t, 3, ellipsis=ellipsis)
     +++
     >>> print trim(t, 1, ellipsis=ellipsis)
     +
     >>> u = u'\u3042\u3044\u3046\u3048\u304a' # 2 x 5 = 10 columns
     >>> t = u.encode(encoding.encoding)
     >>> print trim(t, 12, ellipsis=ellipsis)
     \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\xe3\x81\x88\xe3\x81\x8a
     >>> print trim(t, 10, ellipsis=ellipsis)
     \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\xe3\x81\x88\xe3\x81\x8a
     >>> print trim(t, 8, ellipsis=ellipsis)
     \xe3\x81\x82\xe3\x81\x84+++
     >>> print trim(t, 8, ellipsis=ellipsis, leftside=True)
     +++\xe3\x81\x88\xe3\x81\x8a
     >>> print trim(t, 5)
     \xe3\x81\x82\xe3\x81\x84
     >>> print trim(t, 5, leftside=True)
     \xe3\x81\x88\xe3\x81\x8a
     >>> print trim(t, 4, ellipsis=ellipsis)
     +++
     >>> print trim(t, 4, ellipsis=ellipsis, leftside=True)
     +++
     >>> t = '\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa' # invalid byte sequence
     >>> print trim(t, 12, ellipsis=ellipsis)
     \x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa
     >>> print trim(t, 10, ellipsis=ellipsis)
     \x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa
     >>> print trim(t, 8, ellipsis=ellipsis)
     \x11\x22\x33\x44\x55+++
     >>> print trim(t, 8, ellipsis=ellipsis, leftside=True)
     +++\x66\x77\x88\x99\xaa
     >>> print trim(t, 8)
     \x11\x22\x33\x44\x55\x66\x77\x88
     >>> print trim(t, 8, leftside=True)
     \x33\x44\x55\x66\x77\x88\x99\xaa
     >>> print trim(t, 3, ellipsis=ellipsis)
     +++
     >>> print trim(t, 1, ellipsis=ellipsis)
     +
     """
     try:
         u = s.decode(encoding)
     except UnicodeDecodeError:
         if len(s) <= width: # trimming is not needed
             return s
         width -= len(ellipsis)
         if width <= 0: # no enough room even for ellipsis
             return ellipsis[:width + len(ellipsis)]
         if leftside:
             return ellipsis + s[-width:]
         return s[:width] + ellipsis
 
     if ucolwidth(u) <= width: # trimming is not needed
         return s
 
     width -= len(ellipsis)
     if width <= 0: # no enough room even for ellipsis
         return ellipsis[:width + len(ellipsis)]
 
     if leftside:
         uslice = lambda i: u[i:]
         concat = lambda s: ellipsis + s
     else:
         uslice = lambda i: u[:-i]
         concat = lambda s: s + ellipsis
     for i in xrange(1, len(u)):
         usub = uslice(i)
         if ucolwidth(usub) <= width:
             return concat(usub.encode(encoding))
     return ellipsis # no enough room for multi-column characters
 
 def _asciilower(s):
     '''convert a string to lowercase if ASCII
 
     Raises UnicodeDecodeError if non-ASCII characters are found.'''
     s.decode('ascii')
     return s.lower()
 
 def asciilower(s):
     # delay importing avoids cyclic dependency around "parsers" in
     # pure Python build (util => i18n => encoding => parsers => util)
     import parsers
     impl = getattr(parsers, 'asciilower', _asciilower)
     global asciilower
     asciilower = impl
     return impl(s)
 
 def lower(s):
     "best-effort encoding-aware case-folding of local string s"
     try:
         return asciilower(s)
     except UnicodeDecodeError:
         pass
     try:
         if isinstance(s, localstr):
             u = s._utf8.decode("utf-8")
         else:
             u = s.decode(encoding, encodingmode)
 
         lu = u.lower()
         if u == lu:
             return s # preserve localstring
         return lu.encode(encoding)
     except UnicodeError:
         return s.lower() # we don't know how to fold this except in ASCII
     except LookupError, k:
         raise error.Abort(k, hint="please check your locale settings")
 
 def upper(s):
     "best-effort encoding-aware case-folding of local string s"
     try:
         s.decode('ascii') # throw exception for non-ASCII character
         return s.upper()
     except UnicodeDecodeError:
         pass
     try:
         if isinstance(s, localstr):
             u = s._utf8.decode("utf-8")
         else:
             u = s.decode(encoding, encodingmode)
 
         uu = u.upper()
         if u == uu:
             return s # preserve localstring
         return uu.encode(encoding)
     except UnicodeError:
         return s.upper() # we don't know how to fold this except in ASCII
     except LookupError, k:
         raise error.Abort(k, hint="please check your locale settings")
 
 _jsonmap = {}
 
 def jsonescape(s):
     '''returns a string suitable for JSON
 
     JSON is problematic for us because it doesn't support non-Unicode
     bytes. To deal with this, we take the following approach:
 
     - localstr objects are converted back to UTF-8
     - valid UTF-8/ASCII strings are passed as-is
     - other strings are converted to UTF-8b surrogate encoding
     - apply JSON-specified string escaping
 
     (escapes are doubled in these tests)
 
     >>> jsonescape('this is a test')
     'this is a test'
     >>> jsonescape('escape characters: \\0 \\x0b \\t \\n \\r \\" \\\\')
     'escape characters: \\\\u0000 \\\\u000b \\\\t \\\\n \\\\r \\\\" \\\\\\\\'
     >>> jsonescape('a weird byte: \\xdd')
     'a weird byte: \\xed\\xb3\\x9d'
     >>> jsonescape('utf-8: caf\\xc3\\xa9')
     'utf-8: caf\\xc3\\xa9'
     >>> jsonescape('')
     ''
     '''
 
     if not _jsonmap:
         for x in xrange(32):
             _jsonmap[chr(x)] = "\u%04x" %x
         for x in xrange(32, 256):
             c = chr(x)
             _jsonmap[c] = c
         _jsonmap['\t'] = '\\t'
         _jsonmap['\n'] = '\\n'
         _jsonmap['\"'] = '\\"'
         _jsonmap['\\'] = '\\\\'
         _jsonmap['\b'] = '\\b'
         _jsonmap['\f'] = '\\f'
         _jsonmap['\r'] = '\\r'
 
     return ''.join(_jsonmap[c] for c in toutf8b(s))
 
 def toutf8b(s):
     '''convert a local, possibly-binary string into UTF-8b
 
     This is intended as a generic method to preserve data when working
     with schemes like JSON and XML that have no provision for
     arbitrary byte strings. As Mercurial often doesn't know
     what encoding data is in, we use so-called UTF-8b.
 
     If a string is already valid UTF-8 (or ASCII), it passes unmodified.
     Otherwise, unsupported bytes are mapped to UTF-16 surrogate range,
     uDC00-uDCFF.
 
     Principles of operation:
 
     - ASCII and UTF-8 data successfully round-trips and is understood
       by Unicode-oriented clients
     - filenames and file contents in arbitrary other encodings can have
       be round-tripped or recovered by clueful clients
     - local strings that have a cached known UTF-8 encoding (aka
       localstr) get sent as UTF-8 so Unicode-oriented clients get the
       Unicode data they want
     - because we must preserve UTF-8 bytestring in places such as
       filenames, metadata can't be roundtripped without help
 
     (Note: "UTF-8b" often refers to decoding a mix of valid UTF-8 and
     arbitrary bytes into an internal Unicode format that can be
     re-encoded back into the original. Here we are exposing the
     internal surrogate encoding as a UTF-8 string.)
     '''
 
     if isinstance(s, localstr):
         return s._utf8
 
     try:
         s.decode('utf-8')
         return s
     except UnicodeDecodeError:
         # surrogate-encode any characters that don't round-trip
         s2 = s.decode('utf-8', 'ignore').encode('utf-8')
         r = ""
         pos = 0
         for c in s:
             if s2[pos:pos + 1] == c:
                 r += c
                 pos += 1
             else:
                 r += unichr(0xdc00 + ord(c)).encode('utf-8')
         return r
 
 def fromutf8b(s):
     '''Given a UTF-8b string, return a local, possibly-binary string.
 
     return the original binary string. This
     is a round-trip process for strings like filenames, but metadata
     that's was passed through tolocal will remain in UTF-8.
 
     >>> m = "\\xc3\\xa9\\x99abcd"
     >>> n = toutf8b(m)
     >>> n
     '\\xc3\\xa9\\xed\\xb2\\x99abcd'
     >>> fromutf8b(n) == m
     True
     '''
 
     # fast path - look for uDxxx prefixes in s
     if "\xed" not in s:
         return s
 
     u = s.decode("utf-8")
     r = ""
     for c in u:
         if ord(c) & 0xff00 == 0xdc00:
             r += chr(ord(c) & 0xff)
         else:
             r += c.encode("utf-8")
     return r

mercurial/manifest.py

@@ -1,284 +1,287 b''
 # manifest.py - manifest revision class for mercurial
 #
 # Copyright 2005-2007 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from i18n import _
 import mdiff, parsers, error, revlog, util
 import array, struct
 
 class manifestdict(dict):
     def __init__(self, mapping=None, flags=None):
         if mapping is None:
             mapping = {}
         if flags is None:
             flags = {}
         dict.__init__(self, mapping)
         self._flags = flags
+    def __setitem__(self, k, v):
+        assert v is not None
+        dict.__setitem__(self, k, v)
     def flags(self, f):
         return self._flags.get(f, "")
     def withflags(self):
         return set(self._flags.keys())
     def setflag(self, f, flags):
         """Set the flags (symlink, executable) for path f."""
         self._flags[f] = flags
     def copy(self):
         return manifestdict(self, dict.copy(self._flags))
     def intersectfiles(self, files):
         '''make a new manifestdict with the intersection of self with files
 
         The algorithm assumes that files is much smaller than self.'''
         ret = manifestdict()
         for fn in files:
             if fn in self:
                 ret[fn] = self[fn]
                 flags = self._flags.get(fn, None)
                 if flags:
                     ret._flags[fn] = flags
         return ret
 
     def matches(self, match):
         '''generate a new manifest filtered by the match argument'''
         if match.always():
             return self.copy()
 
         files = match.files()
         if (match.matchfn == match.exact or
             (not match.anypats() and util.all(fn in self for fn in files))):
             return self.intersectfiles(files)
 
         mf = self.copy()
         for fn in mf.keys():
             if not match(fn):
                 del mf[fn]
         return mf
 
     def diff(self, m2):
         '''Finds changes between the current manifest and m2. The result is
         returned as a dict with filename as key and values of the form
         ((n1,fl1),(n2,fl2)), where n1/n2 is the nodeid in the current/other
         manifest and fl1/fl2 is the flag in the current/other manifest. Where
         the file does not exist, the nodeid will be None and the flags will be
         the empty string.'''
         diff = {}
 
         for fn, n1 in self.iteritems():
             fl1 = self._flags.get(fn, '')
             n2 = m2.get(fn, None)
             fl2 = m2._flags.get(fn, '')
             if n2 is None:
                 fl2 = ''
             if n1 != n2 or fl1 != fl2:
                 diff[fn] = ((n1, fl1), (n2, fl2))
 
         for fn, n2 in m2.iteritems():
             if fn not in self:
                 fl2 = m2._flags.get(fn, '')
                 diff[fn] = ((None, ''), (n2, fl2))
 
         return diff
 
     def text(self):
         """Get the full data of this manifest as a bytestring."""
         fl = sorted(self)
         _checkforbidden(fl)
 
         hex, flags = revlog.hex, self.flags
         # if this is changed to support newlines in filenames,
         # be sure to check the templates/ dir again (especially *-raw.tmpl)
         return ''.join("%s\0%s%s\n" % (f, hex(self[f]), flags(f)) for f in fl)
 
     def fastdelta(self, base, changes):
         """Given a base manifest text as an array.array and a list of changes
         relative to that text, compute a delta that can be used by revlog.
         """
         delta = []
         dstart = None
         dend = None
         dline = [""]
         start = 0
         # zero copy representation of base as a buffer
         addbuf = util.buffer(base)
 
         # start with a readonly loop that finds the offset of
         # each line and creates the deltas
         for f, todelete in changes:
             # bs will either be the index of the item or the insert point
             start, end = _msearch(addbuf, f, start)
             if not todelete:
                 l = "%s\0%s%s\n" % (f, revlog.hex(self[f]), self.flags(f))
             else:
                 if start == end:
                     # item we want to delete was not found, error out
                     raise AssertionError(
                             _("failed to remove %s from manifest") % f)
                 l = ""
             if dstart is not None and dstart <= start and dend >= start:
                 if dend < end:
                     dend = end
                 if l:
                     dline.append(l)
             else:
                 if dstart is not None:
                     delta.append([dstart, dend, "".join(dline)])
                 dstart = start
                 dend = end
                 dline = [l]
 
         if dstart is not None:
             delta.append([dstart, dend, "".join(dline)])
         # apply the delta to the base, and get a delta for addrevision
         deltatext, arraytext = _addlistdelta(base, delta)
         return arraytext, deltatext
 
 def _msearch(m, s, lo=0, hi=None):
     '''return a tuple (start, end) that says where to find s within m.
 
     If the string is found m[start:end] are the line containing
     that string.  If start == end the string was not found and
     they indicate the proper sorted insertion point.
 
     m should be a buffer or a string
     s is a string'''
     def advance(i, c):
         while i < lenm and m[i] != c:
             i += 1
         return i
     if not s:
         return (lo, lo)
     lenm = len(m)
     if not hi:
         hi = lenm
     while lo < hi:
         mid = (lo + hi) // 2
         start = mid
         while start > 0 and m[start - 1] != '\n':
             start -= 1
         end = advance(start, '\0')
         if m[start:end] < s:
             # we know that after the null there are 40 bytes of sha1
             # this translates to the bisect lo = mid + 1
             lo = advance(end + 40, '\n') + 1
         else:
             # this translates to the bisect hi = mid
             hi = start
     end = advance(lo, '\0')
     found = m[lo:end]
     if s == found:
         # we know that after the null there are 40 bytes of sha1
         end = advance(end + 40, '\n')
         return (lo, end + 1)
     else:
         return (lo, lo)
 
 def _checkforbidden(l):
     """Check filenames for illegal characters."""
     for f in l:
         if '\n' in f or '\r' in f:
             raise error.RevlogError(
                 _("'\\n' and '\\r' disallowed in filenames: %r") % f)
 
 
 # apply the changes collected during the bisect loop to our addlist
 # return a delta suitable for addrevision
 def _addlistdelta(addlist, x):
     # for large addlist arrays, building a new array is cheaper
     # than repeatedly modifying the existing one
     currentposition = 0
     newaddlist = array.array('c')
 
     for start, end, content in x:
         newaddlist += addlist[currentposition:start]
         if content:
             newaddlist += array.array('c', content)
 
         currentposition = end
 
     newaddlist += addlist[currentposition:]
 
     deltatext = "".join(struct.pack(">lll", start, end, len(content))
                    + content for start, end, content in x)
     return deltatext, newaddlist
 
 def _parse(lines):
     mfdict = manifestdict()
     parsers.parse_manifest(mfdict, mfdict._flags, lines)
     return mfdict
 
 class manifest(revlog.revlog):
     def __init__(self, opener):
         # we expect to deal with not more than four revs at a time,
         # during a commit --amend
         self._mancache = util.lrucachedict(4)
         revlog.revlog.__init__(self, opener, "00manifest.i")
 
     def readdelta(self, node):
         r = self.rev(node)
         return _parse(mdiff.patchtext(self.revdiff(self.deltaparent(r), r)))
 
     def readfast(self, node):
         '''use the faster of readdelta or read'''
         r = self.rev(node)
         deltaparent = self.deltaparent(r)
         if deltaparent != revlog.nullrev and deltaparent in self.parentrevs(r):
             return self.readdelta(node)
         return self.read(node)
 
     def read(self, node):
         if node == revlog.nullid:
             return manifestdict() # don't upset local cache
         if node in self._mancache:
             return self._mancache[node][0]
         text = self.revision(node)
         arraytext = array.array('c', text)
         mapping = _parse(text)
         self._mancache[node] = (mapping, arraytext)
         return mapping
 
     def find(self, node, f):
         '''look up entry for a single file efficiently.
         return (node, flags) pair if found, (None, None) if not.'''
         if node in self._mancache:
             mapping = self._mancache[node][0]
             return mapping.get(f), mapping.flags(f)
         text = self.revision(node)
         start, end = _msearch(text, f)
         if start == end:
             return None, None
         l = text[start:end]
         f, n = l.split('\0')
         return revlog.bin(n[:40]), n[40:-1]
 
     def add(self, map, transaction, link, p1, p2, added, removed):
         if p1 in self._mancache:
             # If our first parent is in the manifest cache, we can
             # compute a delta here using properties we know about the
             # manifest up-front, which may save time later for the
             # revlog layer.
 
             _checkforbidden(added)
             # combine the changed lists into one list for sorting
             work = [(x, False) for x in added]
             work.extend((x, True) for x in removed)
             # this could use heapq.merge() (from Python 2.6+) or equivalent
             # since the lists are already sorted
             work.sort()
 
             arraytext, deltatext = map.fastdelta(self._mancache[p1][1], work)
             cachedelta = self.rev(p1), deltatext
             text = util.buffer(arraytext)
         else:
             # The first parent manifest isn't already loaded, so we'll
             # just encode a fulltext of the manifest and pass that
             # through to the revlog layer, and let it handle the delta
             # process.
             text = map.text()
             arraytext = array.array('c', text)
             cachedelta = None
 
         n = self.addrevision(text, transaction, link, p1, p2, cachedelta)
         self._mancache[n] = (map, arraytext)
 
         return n

mercurial/pathutil.py

@@ -1,166 +1,177 b''
 import os, errno, stat
 
+import encoding
 import util
 from i18n import _
 
+def _lowerclean(s):
+    return encoding.hfsignoreclean(s.lower())
+
 class pathauditor(object):
     '''ensure that a filesystem path contains no banned components.
     the following properties of a path are checked:
 
     - ends with a directory separator
     - under top-level .hg
     - starts at the root of a windows drive
     - contains ".."
     - traverses a symlink (e.g. a/symlink_here/b)
     - inside a nested repository (a callback can be used to approve
       some nested repositories, e.g., subrepositories)
     '''
 
     def __init__(self, root, callback=None):
         self.audited = set()
         self.auditeddir = set()
         self.root = root
         self.callback = callback
         if os.path.lexists(root) and not util.checkcase(root):
             self.normcase = util.normcase
         else:
             self.normcase = lambda x: x
 
     def __call__(self, path):
         '''Check the relative path.
         path may contain a pattern (e.g. foodir/**.txt)'''
 
         path = util.localpath(path)
         normpath = self.normcase(path)
         if normpath in self.audited:
             return
         # AIX ignores "/" at end of path, others raise EISDIR.
         if util.endswithsep(path):
             raise util.Abort(_("path ends in directory separator: %s") % path)
         parts = util.splitpath(path)
         if (os.path.splitdrive(path)[0]
-            or parts[0].lower() in ('.hg', '.hg.', '')
+            or _lowerclean(parts[0]) in ('.hg', '.hg.', '')
             or os.pardir in parts):
             raise util.Abort(_("path contains illegal component: %s") % path)
-        if '.hg' in path.lower():
-            lparts = [p.lower() for p in parts]
+        # Windows shortname aliases
+        for p in parts:
+            if "~" in p:
+                first, last = p.split("~", 1)
+                if last.isdigit() and first.upper() in ["HG", "HG8B6C"]:
+                    raise util.Abort(_("path contains illegal component: %s")
+                                     % path)
+        if '.hg' in _lowerclean(path):
+            lparts = [_lowerclean(p.lower()) for p in parts]
             for p in '.hg', '.hg.':
                 if p in lparts[1:]:
                     pos = lparts.index(p)
                     base = os.path.join(*parts[:pos])
                     raise util.Abort(_("path '%s' is inside nested repo %r")
                                      % (path, base))
 
         normparts = util.splitpath(normpath)
         assert len(parts) == len(normparts)
 
         parts.pop()
         normparts.pop()
         prefixes = []
         while parts:
             prefix = os.sep.join(parts)
             normprefix = os.sep.join(normparts)
             if normprefix in self.auditeddir:
                 break
             curpath = os.path.join(self.root, prefix)
             try:
                 st = os.lstat(curpath)
             except OSError, err:
                 # EINVAL can be raised as invalid path syntax under win32.
                 # They must be ignored for patterns can be checked too.
                 if err.errno not in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
                     raise
             else:
                 if stat.S_ISLNK(st.st_mode):
                     raise util.Abort(
                         _('path %r traverses symbolic link %r')
                         % (path, prefix))
                 elif (stat.S_ISDIR(st.st_mode) and
                       os.path.isdir(os.path.join(curpath, '.hg'))):
                     if not self.callback or not self.callback(curpath):
                         raise util.Abort(_("path '%s' is inside nested "
                                            "repo %r")
                                          % (path, prefix))
             prefixes.append(normprefix)
             parts.pop()
             normparts.pop()
 
         self.audited.add(normpath)
         # only add prefixes to the cache after checking everything: we don't
         # want to add "foo/bar/baz" before checking if there's a "foo/.hg"
         self.auditeddir.update(prefixes)
 
     def check(self, path):
         try:
             self(path)
             return True
         except (OSError, util.Abort):
             return False
 
 def canonpath(root, cwd, myname, auditor=None):
     '''return the canonical path of myname, given cwd and root'''
     if util.endswithsep(root):
         rootsep = root
     else:
         rootsep = root + os.sep
     name = myname
     if not os.path.isabs(name):
         name = os.path.join(root, cwd, name)
     name = os.path.normpath(name)
     if auditor is None:
         auditor = pathauditor(root)
     if name != rootsep and name.startswith(rootsep):
         name = name[len(rootsep):]
         auditor(name)
         return util.pconvert(name)
     elif name == root:
         return ''
     else:
         # Determine whether `name' is in the hierarchy at or beneath `root',
         # by iterating name=dirname(name) until that causes no change (can't
         # check name == '/', because that doesn't work on windows). The list
         # `rel' holds the reversed list of components making up the relative
         # file name we want.
         rel = []
         while True:
             try:
                 s = util.samefile(name, root)
             except OSError:
                 s = False
             if s:
                 if not rel:
                     # name was actually the same as root (maybe a symlink)
                     return ''
                 rel.reverse()
                 name = os.path.join(*rel)
                 auditor(name)
                 return util.pconvert(name)
             dirname, basename = util.split(name)
             rel.append(basename)
             if dirname == name:
                 break
             name = dirname
 
         raise util.Abort(_("%s not under root '%s'") % (myname, root))
 
 def normasprefix(path):
     '''normalize the specified path as path prefix
 
     Returned value can be used safely for "p.startswith(prefix)",
     "p[len(prefix):]", and so on.
 
     For efficiency, this expects "path" argument to be already
     normalized by "os.path.normpath", "os.path.realpath", and so on.
 
     See also issue3033 for detail about need of this function.
 
     >>> normasprefix('/foo/bar').replace(os.sep, '/')
     '/foo/bar/'
     >>> normasprefix('/').replace(os.sep, '/')
     '/'
     '''
     d, p = os.path.splitdrive(path)
     if len(p) != len(os.sep):
         return path + os.sep
     else:
         return path

mercurial/posix.py

@@ -1,596 +1,599 b''
 # posix.py - Posix utility function implementations for Mercurial
 #
 #  Copyright 2005-2009 Matt Mackall <[e-mail]> and others
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from i18n import _
 import encoding
 import os, sys, errno, stat, getpass, pwd, grp, socket, tempfile, unicodedata
 import fcntl
 
 posixfile = open
 normpath = os.path.normpath
 samestat = os.path.samestat
 oslink = os.link
 unlink = os.unlink
 rename = os.rename
 expandglobs = False
 
 umask = os.umask(0)
 os.umask(umask)
 
 def split(p):
     '''Same as posixpath.split, but faster
 
     >>> import posixpath
     >>> for f in ['/absolute/path/to/file',
     ...           'relative/path/to/file',
     ...           'file_alone',
     ...           'path/to/directory/',
     ...           '/multiple/path//separators',
     ...           '/file_at_root',
     ...           '///multiple_leading_separators_at_root',
     ...           '']:
     ...     assert split(f) == posixpath.split(f), f
     '''
     ht = p.rsplit('/', 1)
     if len(ht) == 1:
         return '', p
     nh = ht[0].rstrip('/')
     if nh:
         return nh, ht[1]
     return ht[0] + '/', ht[1]
 
 def openhardlinks():
     '''return true if it is safe to hold open file handles to hardlinks'''
     return True
 
 def nlinks(name):
     '''return number of hardlinks for the given file'''
     return os.lstat(name).st_nlink
 
 def parsepatchoutput(output_line):
     """parses the output produced by patch and returns the filename"""
     pf = output_line[14:]
     if os.sys.platform == 'OpenVMS':
         if pf[0] == '`':
             pf = pf[1:-1] # Remove the quotes
     else:
         if pf.startswith("'") and pf.endswith("'") and " " in pf:
             pf = pf[1:-1] # Remove the quotes
     return pf
 
 def sshargs(sshcmd, host, user, port):
     '''Build argument list for ssh'''
     args = user and ("%s@%s" % (user, host)) or host
     return port and ("%s -p %s" % (args, port)) or args
 
 def isexec(f):
     """check whether a file is executable"""
     return (os.lstat(f).st_mode & 0100 != 0)
 
 def setflags(f, l, x):
     s = os.lstat(f).st_mode
     if l:
         if not stat.S_ISLNK(s):
             # switch file to link
             fp = open(f)
             data = fp.read()
             fp.close()
             os.unlink(f)
             try:
                 os.symlink(data, f)
             except OSError:
                 # failed to make a link, rewrite file
                 fp = open(f, "w")
                 fp.write(data)
                 fp.close()
         # no chmod needed at this point
         return
     if stat.S_ISLNK(s):
         # switch link to file
         data = os.readlink(f)
         os.unlink(f)
         fp = open(f, "w")
         fp.write(data)
         fp.close()
         s = 0666 & ~umask # avoid restatting for chmod
 
     sx = s & 0100
     if x and not sx:
         # Turn on +x for every +r bit when making a file executable
         # and obey umask.
         os.chmod(f, s | (s & 0444) >> 2 & ~umask)
     elif not x and sx:
         # Turn off all +x bits
         os.chmod(f, s & 0666)
 
 def copymode(src, dst, mode=None):
     '''Copy the file mode from the file at path src to dst.
     If src doesn't exist, we're using mode instead. If mode is None, we're
     using umask.'''
     try:
         st_mode = os.lstat(src).st_mode & 0777
     except OSError, inst:
         if inst.errno != errno.ENOENT:
             raise
         st_mode = mode
         if st_mode is None:
             st_mode = ~umask
         st_mode &= 0666
     os.chmod(dst, st_mode)
 
 def checkexec(path):
     """
     Check whether the given path is on a filesystem with UNIX-like exec flags
 
     Requires a directory (like /foo/.hg)
     """
 
     # VFAT on some Linux versions can flip mode but it doesn't persist
     # a FS remount. Frequently we can detect it if files are created
     # with exec bit on.
 
     try:
         EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH
         fh, fn = tempfile.mkstemp(dir=path, prefix='hg-checkexec-')
         try:
             os.close(fh)
             m = os.stat(fn).st_mode & 0777
             new_file_has_exec = m & EXECFLAGS
             os.chmod(fn, m ^ EXECFLAGS)
             exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m)
         finally:
             os.unlink(fn)
     except (IOError, OSError):
         # we don't care, the user probably won't be able to commit anyway
         return False
     return not (new_file_has_exec or exec_flags_cannot_flip)
 
 def checklink(path):
     """check whether the given path is on a symlink-capable filesystem"""
     # mktemp is not racy because symlink creation will fail if the
     # file already exists
     name = tempfile.mktemp(dir=path, prefix='hg-checklink-')
     try:
         fd = tempfile.NamedTemporaryFile(dir=path, prefix='hg-checklink-')
         try:
             os.symlink(os.path.basename(fd.name), name)
             os.unlink(name)
             return True
         finally:
             fd.close()
     except AttributeError:
         return False
     except OSError, inst:
         # sshfs might report failure while successfully creating the link
         if inst[0] == errno.EIO and os.path.exists(name):
             os.unlink(name)
         return False
 
 def checkosfilename(path):
     '''Check that the base-relative path is a valid filename on this platform.
     Returns None if the path is ok, or a UI string describing the problem.'''
     pass # on posix platforms, every path is ok
 
 def setbinary(fd):
     pass
 
 def pconvert(path):
     return path
 
 def localpath(path):
     return path
 
 def samefile(fpath1, fpath2):
     """Returns whether path1 and path2 refer to the same file. This is only
     guaranteed to work for files, not directories."""
     return os.path.samefile(fpath1, fpath2)
 
 def samedevice(fpath1, fpath2):
     """Returns whether fpath1 and fpath2 are on the same device. This is only
     guaranteed to work for files, not directories."""
     st1 = os.lstat(fpath1)
     st2 = os.lstat(fpath2)
     return st1.st_dev == st2.st_dev
 
 # os.path.normcase is a no-op, which doesn't help us on non-native filesystems
 def normcase(path):
     return path.lower()
 
 if sys.platform == 'darwin':
 
     def normcase(path):
         '''
         Normalize a filename for OS X-compatible comparison:
         - escape-encode invalid characters
         - decompose to NFD
         - lowercase
+        - omit ignored characters [200c-200f, 202a-202e, 206a-206f,feff]
 
         >>> normcase('UPPER')
         'upper'
         >>> normcase('Caf\xc3\xa9')
         'cafe\\xcc\\x81'
         >>> normcase('\xc3\x89')
         'e\\xcc\\x81'
         >>> normcase('\xb8\xca\xc3\xca\xbe\xc8.JPG') # issue3918
         '%b8%ca%c3\\xca\\xbe%c8.jpg'
         '''
 
         try:
             return encoding.asciilower(path)  # exception for non-ASCII
         except UnicodeDecodeError:
             pass
         try:
             u = path.decode('utf-8')
         except UnicodeDecodeError:
             # OS X percent-encodes any bytes that aren't valid utf-8
             s = ''
             g = ''
             l = 0
             for c in path:
                 o = ord(c)
                 if l and o < 128 or o >= 192:
                     # we want a continuation byte, but didn't get one
                     s += ''.join(["%%%02X" % ord(x) for x in g])
                     g = ''
                     l = 0
                 if l == 0 and o < 128:
                     # ascii
                     s += c
                 elif l == 0 and 194 <= o < 245:
                     # valid leading bytes
                     if o < 224:
                         l = 1
                     elif o < 240:
                         l = 2
                     else:
                         l = 3
                     g = c
                 elif l > 0 and 128 <= o < 192:
                     # valid continuations
                     g += c
                     l -= 1
                     if not l:
                         s += g
                         g = ''
                 else:
                     # invalid
                     s += "%%%02X" % o
 
             # any remaining partial characters
             s += ''.join(["%%%02X" % ord(x) for x in g])
             u = s.decode('utf-8')
 
         # Decompose then lowercase (HFS+ technote specifies lower)
-        return unicodedata.normalize('NFD', u).lower().encode('utf-8')
+        enc = unicodedata.normalize('NFD', u).lower().encode('utf-8')
+        # drop HFS+ ignored characters
+        return encoding.hfsignoreclean(enc)
 
 if sys.platform == 'cygwin':
     # workaround for cygwin, in which mount point part of path is
     # treated as case sensitive, even though underlying NTFS is case
     # insensitive.
 
     # default mount points
     cygwinmountpoints = sorted([
             "/usr/bin",
             "/usr/lib",
             "/cygdrive",
             ], reverse=True)
 
     # use upper-ing as normcase as same as NTFS workaround
     def normcase(path):
         pathlen = len(path)
         if (pathlen == 0) or (path[0] != os.sep):
             # treat as relative
             return encoding.upper(path)
 
         # to preserve case of mountpoint part
         for mp in cygwinmountpoints:
             if not path.startswith(mp):
                 continue
 
             mplen = len(mp)
             if mplen == pathlen: # mount point itself
                 return mp
             if path[mplen] == os.sep:
                 return mp + encoding.upper(path[mplen:])
 
         return encoding.upper(path)
 
     # Cygwin translates native ACLs to POSIX permissions,
     # but these translations are not supported by native
     # tools, so the exec bit tends to be set erroneously.
     # Therefore, disable executable bit access on Cygwin.
     def checkexec(path):
         return False
 
     # Similarly, Cygwin's symlink emulation is likely to create
     # problems when Mercurial is used from both Cygwin and native
     # Windows, with other native tools, or on shared volumes
     def checklink(path):
         return False
 
 def shellquote(s):
     if os.sys.platform == 'OpenVMS':
         return '"%s"' % s
     else:
         return "'%s'" % s.replace("'", "'\\''")
 
 def quotecommand(cmd):
     return cmd
 
 def popen(command, mode='r'):
     return os.popen(command, mode)
 
 def testpid(pid):
     '''return False if pid dead, True if running or not sure'''
     if os.sys.platform == 'OpenVMS':
         return True
     try:
         os.kill(pid, 0)
         return True
     except OSError, inst:
         return inst.errno != errno.ESRCH
 
 def explainexit(code):
     """return a 2-tuple (desc, code) describing a subprocess status
     (codes from kill are negative - not os.system/wait encoding)"""
     if code >= 0:
         return _("exited with status %d") % code, code
     return _("killed by signal %d") % -code, -code
 
 def isowner(st):
     """Return True if the stat object st is from the current user."""
     return st.st_uid == os.getuid()
 
 def findexe(command):
     '''Find executable for command searching like which does.
     If command is a basename then PATH is searched for command.
     PATH isn't searched if command is an absolute or relative path.
     If command isn't found None is returned.'''
     if sys.platform == 'OpenVMS':
         return command
 
     def findexisting(executable):
         'Will return executable if existing file'
         if os.path.isfile(executable) and os.access(executable, os.X_OK):
             return executable
         return None
 
     if os.sep in command:
         return findexisting(command)
 
     if sys.platform == 'plan9':
         return findexisting(os.path.join('/bin', command))
 
     for path in os.environ.get('PATH', '').split(os.pathsep):
         executable = findexisting(os.path.join(path, command))
         if executable is not None:
             return executable
     return None
 
 def setsignalhandler():
     pass
 
 _wantedkinds = set([stat.S_IFREG, stat.S_IFLNK])
 
 def statfiles(files):
     '''Stat each file in files. Yield each stat, or None if a file does not
     exist or has a type we don't care about.'''
     lstat = os.lstat
     getkind = stat.S_IFMT
     for nf in files:
         try:
             st = lstat(nf)
             if getkind(st.st_mode) not in _wantedkinds:
                 st = None
         except OSError, err:
             if err.errno not in (errno.ENOENT, errno.ENOTDIR):
                 raise
             st = None
         yield st
 
 def getuser():
     '''return name of current user'''
     return getpass.getuser()
 
 def username(uid=None):
     """Return the name of the user with the given uid.
 
     If uid is None, return the name of the current user."""
 
     if uid is None:
         uid = os.getuid()
     try:
         return pwd.getpwuid(uid)[0]
     except KeyError:
         return str(uid)
 
 def groupname(gid=None):
     """Return the name of the group with the given gid.
 
     If gid is None, return the name of the current group."""
 
     if gid is None:
         gid = os.getgid()
     try:
         return grp.getgrgid(gid)[0]
     except KeyError:
         return str(gid)
 
 def groupmembers(name):
     """Return the list of members of the group with the given
     name, KeyError if the group does not exist.
     """
     return list(grp.getgrnam(name).gr_mem)
 
 def spawndetached(args):
     return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0),
                       args[0], args)
 
 def gethgcmd():
     return sys.argv[:1]
 
 def termwidth():
     try:
         import termios, array
         for dev in (sys.stderr, sys.stdout, sys.stdin):
             try:
                 try:
                     fd = dev.fileno()
                 except AttributeError:
                     continue
                 if not os.isatty(fd):
                     continue
                 try:
                     arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8)
                     width = array.array('h', arri)[1]
                     if width > 0:
                         return width
                 except AttributeError:
                     pass
             except ValueError:
                 pass
             except IOError, e:
                 if e[0] == errno.EINVAL:
                     pass
                 else:
                     raise
     except ImportError:
         pass
     return 80
 
 def makedir(path, notindexed):
     os.mkdir(path)
 
 def unlinkpath(f, ignoremissing=False):
     """unlink and remove the directory if it is empty"""
     try:
         os.unlink(f)
     except OSError, e:
         if not (ignoremissing and e.errno == errno.ENOENT):
             raise
     # try removing directories that might now be empty
     try:
         os.removedirs(os.path.dirname(f))
     except OSError:
         pass
 
 def lookupreg(key, name=None, scope=None):
     return None
 
 def hidewindow():
     """Hide current shell window.
 
     Used to hide the window opened when starting asynchronous
     child process under Windows, unneeded on other systems.
     """
     pass
 
 class cachestat(object):
     def __init__(self, path):
         self.stat = os.stat(path)
 
     def cacheable(self):
         return bool(self.stat.st_ino)
 
     __hash__ = object.__hash__
 
     def __eq__(self, other):
         try:
             # Only dev, ino, size, mtime and atime are likely to change. Out
             # of these, we shouldn't compare atime but should compare the
             # rest. However, one of the other fields changing indicates
             # something fishy going on, so return False if anything but atime
             # changes.
             return (self.stat.st_mode == other.stat.st_mode and
                     self.stat.st_ino == other.stat.st_ino and
                     self.stat.st_dev == other.stat.st_dev and
                     self.stat.st_nlink == other.stat.st_nlink and
                     self.stat.st_uid == other.stat.st_uid and
                     self.stat.st_gid == other.stat.st_gid and
                     self.stat.st_size == other.stat.st_size and
                     self.stat.st_mtime == other.stat.st_mtime and
                     self.stat.st_ctime == other.stat.st_ctime)
         except AttributeError:
             return False
 
     def __ne__(self, other):
         return not self == other
 
 def executablepath():
     return None # available on Windows only
 
 class unixdomainserver(socket.socket):
     def __init__(self, join, subsystem):
         '''Create a unix domain socket with the given prefix.'''
         super(unixdomainserver, self).__init__(socket.AF_UNIX)
         sockname = subsystem + '.sock'
         self.realpath = self.path = join(sockname)
         if os.path.islink(self.path):
             if os.path.exists(self.path):
                 self.realpath = os.readlink(self.path)
             else:
                 os.unlink(self.path)
         try:
             self.bind(self.realpath)
         except socket.error, err:
             if err.args[0] == 'AF_UNIX path too long':
                 tmpdir = tempfile.mkdtemp(prefix='hg-%s-' % subsystem)
                 self.realpath = os.path.join(tmpdir, sockname)
                 try:
                     self.bind(self.realpath)
                     os.symlink(self.realpath, self.path)
                 except (OSError, socket.error):
                     self.cleanup()
                     raise
             else:
                 raise
         self.listen(5)
 
     def cleanup(self):
         def okayifmissing(f, path):
             try:
                 f(path)
             except OSError, err:
                 if err.errno != errno.ENOENT:
                     raise
 
         okayifmissing(os.unlink, self.path)
         if self.realpath != self.path:
             okayifmissing(os.unlink, self.realpath)
             okayifmissing(os.rmdir, os.path.dirname(self.realpath))
 
 def statislink(st):
     '''check whether a stat result is a symlink'''
     return st and stat.S_ISLNK(st.st_mode)
 
 def statisexec(st):
     '''check whether a stat result is an executable file'''
     return st and (st.st_mode & 0100 != 0)
 
 def readpipe(pipe):
     """Read all available data from a pipe."""
     # We can't fstat() a pipe because Linux will always report 0.
     # So, we set the pipe to non-blocking mode and read everything
     # that's available.
     flags = fcntl.fcntl(pipe, fcntl.F_GETFL)
     flags |= os.O_NONBLOCK
     oldflags = fcntl.fcntl(pipe, fcntl.F_SETFL, flags)
 
     try:
         chunks = []
         while True:
             try:
                 s = pipe.read()
                 if not s:
                     break
                 chunks.append(s)
             except IOError:
                 break
 
         return ''.join(chunks)
     finally:
         fcntl.fcntl(pipe, fcntl.F_SETFL, oldflags)

tests/test-casefolding.t

@@ -1,198 +1,210 b''
 #require icasefs
 
   $ hg debugfs | grep 'case-sensitive:'
   case-sensitive: no
 
 test file addition with bad case
 
   $ hg init repo1
   $ cd repo1
   $ echo a > a
   $ hg add A
   adding a
   $ hg st
   A a
   $ hg ci -m adda
   $ hg manifest
   a
   $ cd ..
 
 test case collision on rename (issue750)
 
   $ hg init repo2
   $ cd repo2
   $ echo a > a
   $ hg --debug ci -Am adda
   adding a
   a
   committed changeset 0:07f4944404050f47db2e5c5071e0e84e7a27bba9
 
 Case-changing renames should work:
 
   $ hg mv a A
   $ hg mv A a
   $ hg st
 
 test changing case of path components
 
   $ mkdir D
   $ echo b > D/b
   $ hg ci -Am addb D/b
   $ hg mv D/b d/b
   D/b: not overwriting - file exists
   $ hg mv D/b d/c
   $ hg st
   A D/c
   R D/b
   $ mv D temp
   $ mv temp d
   $ hg st
   A D/c
   R D/b
   $ hg revert -aq
   $ rm d/c
   $ echo c > D/c
   $ hg add D/c
   $ hg st
   A D/c
   $ hg ci -m addc D/c
   $ hg mv d/b d/e
   moving D/b to D/e (glob)
   $ hg st
   A D/e
   R D/b
   $ hg revert -aq
   $ rm d/e
   $ hg mv d/b D/B
   moving D/b to D/B (glob)
   $ hg st
   A D/B
   R D/b
   $ cd ..
 
 test case collision between revisions (issue912)
 
   $ hg init repo3
   $ cd repo3
   $ echo a > a
   $ hg ci -Am adda
   adding a
   $ hg rm a
   $ hg ci -Am removea
   $ echo A > A
 
 on linux hfs keeps the old case stored, force it
 
   $ mv a aa
   $ mv aa A
   $ hg ci -Am addA
   adding A
 
 used to fail under case insensitive fs
 
   $ hg up -C 0
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ hg up -C
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
 
 no clobbering of untracked files with wrong casing
 
   $ hg up -r null
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ echo gold > a
   $ hg up
   A: untracked file differs
   abort: untracked files in working directory differ from files in requested revision
   [255]
   $ cat a
   gold
   $ rm a
 
 test that normal file in different case on target context is not
 unlinked by largefiles extension.
 
   $ cat >> .hg/hgrc <<EOF
   > [extensions]
   > largefiles=
   > EOF
   $ hg update -q -C 1
   $ hg status -A
   $ echo 'A as largefiles' > A
   $ hg add --large A
   $ hg commit -m '#3'
   created new head
   $ hg manifest -r 3
   .hglf/A
   $ hg manifest -r 0
   a
   $ hg update -q -C 0
   $ hg status -A
   C a
   $ hg update -q -C 3
   $ hg update -q 0
 
   $ cd ..
 
 issue 3342: file in nested directory causes unexpected abort
 
   $ hg init issue3342
   $ cd issue3342
 
   $ mkdir -p a/B/c/D
   $ echo e > a/B/c/D/e
   $ hg add a/B/c/D/e
 
   $ cd ..
 
 issue 3340: mq does not handle case changes correctly
 
 in addition to reported case, 'hg qrefresh' is also tested against
 case changes.
 
   $ echo "[extensions]" >> $HGRCPATH
   $ echo "mq=" >> $HGRCPATH
 
   $ hg init issue3340
   $ cd issue3340
 
   $ echo a > mIxEdCaSe
   $ hg add mIxEdCaSe
   $ hg commit -m '#0'
   $ hg rename mIxEdCaSe tmp
   $ hg rename tmp MiXeDcAsE
   $ hg status -A
   A MiXeDcAsE
     mIxEdCaSe
   R mIxEdCaSe
   $ hg qnew changecase
   $ hg status -A
   C MiXeDcAsE
 
   $ hg qpop -a
   popping changecase
   patch queue now empty
   $ hg qnew refresh-casechange
   $ hg status -A
   C mIxEdCaSe
   $ hg rename mIxEdCaSe tmp
   $ hg rename tmp MiXeDcAsE
   $ hg status -A
   A MiXeDcAsE
     mIxEdCaSe
   R mIxEdCaSe
   $ hg qrefresh
   $ hg status -A
   C MiXeDcAsE
 
   $ hg qpop -a
   popping refresh-casechange
   patch queue now empty
   $ hg qnew refresh-pattern
   $ hg status
   $ echo A > A
   $ hg add
   adding A
   $ hg qrefresh a # issue 3271, qrefresh with file handled case wrong
   $ hg status # empty status means the qrefresh worked
 
+#if osx
+
+We assume anyone running the tests on a case-insensitive volume on OS
+X will be using HFS+. If that's not true, this test will fail.
+
+  $ rm A
+  >>> open(u'a\u200c'.encode('utf-8'), 'w').write('unicode is fun')
+  $ hg status
+  M A
+
+#endif
+
   $ cd ..

tests/test-commit.t

@@ -1,521 +1,572 b''
 commit date test
 
   $ hg init test
   $ cd test
   $ echo foo > foo
   $ hg add foo
   $ cat > $TESTTMP/checkeditform.sh <<EOF
   > env | grep HGEDITFORM
   > true
   > EOF
   $ HGEDITOR="sh $TESTTMP/checkeditform.sh" hg commit -m ""
   HGEDITFORM=commit.normal.normal
   abort: empty commit message
   [255]
   $ hg commit -d '0 0' -m commit-1
   $ echo foo >> foo
   $ hg commit -d '1 4444444' -m commit-3
   abort: impossible time zone offset: 4444444
   [255]
   $ hg commit -d '1	15.1' -m commit-4
   abort: invalid date: '1\t15.1'
   [255]
   $ hg commit -d 'foo bar' -m commit-5
   abort: invalid date: 'foo bar'
   [255]
   $ hg commit -d ' 1 4444' -m commit-6
   $ hg commit -d '111111111111 0' -m commit-7
   abort: date exceeds 32 bits: 111111111111
   [255]
   $ hg commit -d '-7654321 3600' -m commit-7
   abort: negative date value: -7654321
   [255]
 
 commit added file that has been deleted
 
   $ echo bar > bar
   $ hg add bar
   $ rm bar
   $ hg commit -m commit-8
   nothing changed (1 missing files, see 'hg status')
   [1]
   $ hg commit -m commit-8-2 bar
   abort: bar: file not found!
   [255]
 
   $ hg -q revert -a --no-backup
 
   $ mkdir dir
   $ echo boo > dir/file
   $ hg add
   adding dir/file (glob)
   $ hg -v commit -m commit-9 dir
   dir/file
   committed changeset 2:d2a76177cb42
 
   $ echo > dir.file
   $ hg add
   adding dir.file
   $ hg commit -m commit-10 dir dir.file
   abort: dir: no match under directory!
   [255]
 
   $ echo >> dir/file
   $ mkdir bleh
   $ mkdir dir2
   $ cd bleh
   $ hg commit -m commit-11 .
   abort: bleh: no match under directory!
   [255]
   $ hg commit -m commit-12 ../dir ../dir2
   abort: dir2: no match under directory!
   [255]
   $ hg -v commit -m commit-13 ../dir
   dir/file
   committed changeset 3:1cd62a2d8db5
   $ cd ..
 
   $ hg commit -m commit-14 does-not-exist
   abort: does-not-exist: * (glob)
   [255]
 
 #if symlink
   $ ln -s foo baz
   $ hg commit -m commit-15 baz
   abort: baz: file not tracked!
   [255]
 #endif
 
   $ touch quux
   $ hg commit -m commit-16 quux
   abort: quux: file not tracked!
   [255]
   $ echo >> dir/file
   $ hg -v commit -m commit-17 dir/file
   dir/file
   committed changeset 4:49176991390e
 
 An empty date was interpreted as epoch origin
 
   $ echo foo >> foo
   $ hg commit -d '' -m commit-no-date
   $ hg tip --template '{date|isodate}\n' | grep '1970'
   [1]
 
 Make sure we do not obscure unknown requires file entries (issue2649)
 
   $ echo foo >> foo
   $ echo fake >> .hg/requires
   $ hg commit -m bla
   abort: repository requires features unknown to this Mercurial: fake!
   (see http://mercurial.selenic.com/wiki/MissingRequirement for more information)
   [255]
 
   $ cd ..
 
 
 partial subdir commit test
 
   $ hg init test2
   $ cd test2
   $ mkdir foo
   $ echo foo > foo/foo
   $ mkdir bar
   $ echo bar > bar/bar
   $ hg add
   adding bar/bar (glob)
   adding foo/foo (glob)
   $ HGEDITOR=cat hg ci -e -m commit-subdir-1 foo
   commit-subdir-1
   
   
   HG: Enter commit message.  Lines beginning with 'HG:' are removed.
   HG: Leave message empty to abort commit.
   HG: --
   HG: user: test
   HG: branch 'default'
   HG: added foo/foo
 
 
   $ hg ci -m commit-subdir-2 bar
 
 subdir log 1
 
   $ hg log -v foo
   changeset:   0:f97e73a25882
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   files:       foo/foo
   description:
   commit-subdir-1
   
   
 
 subdir log 2
 
   $ hg log -v bar
   changeset:   1:aa809156d50d
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   files:       bar/bar
   description:
   commit-subdir-2
   
   
 
 full log
 
   $ hg log -v
   changeset:   1:aa809156d50d
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   files:       bar/bar
   description:
   commit-subdir-2
   
   
   changeset:   0:f97e73a25882
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   files:       foo/foo
   description:
   commit-subdir-1
   
   
   $ cd ..
 
 
 dot and subdir commit test
 
   $ hg init test3
   $ echo commit-foo-subdir > commit-log-test
   $ cd test3
   $ mkdir foo
   $ echo foo content > foo/plain-file
   $ hg add foo/plain-file
   $ HGEDITOR=cat hg ci --edit -l ../commit-log-test foo
   commit-foo-subdir
   
   
   HG: Enter commit message.  Lines beginning with 'HG:' are removed.
   HG: Leave message empty to abort commit.
   HG: --
   HG: user: test
   HG: branch 'default'
   HG: added foo/plain-file
 
 
   $ echo modified foo content > foo/plain-file
   $ hg ci -m commit-foo-dot .
 
 full log
 
   $ hg log -v
   changeset:   1:95b38e3a5b2e
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   files:       foo/plain-file
   description:
   commit-foo-dot
   
   
   changeset:   0:65d4e9386227
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   files:       foo/plain-file
   description:
   commit-foo-subdir
   
   
 
 subdir log
 
   $ cd foo
   $ hg log .
   changeset:   1:95b38e3a5b2e
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit-foo-dot
   
   changeset:   0:65d4e9386227
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit-foo-subdir
   
   $ cd ..
   $ cd ..
 
 Issue1049: Hg permits partial commit of merge without warning
 
   $ hg init issue1049
   $ cd issue1049
   $ echo a > a
   $ hg ci -Ama
   adding a
   $ echo a >> a
   $ hg ci -mb
   $ hg up 0
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo b >> a
   $ hg ci -mc
   created new head
   $ HGMERGE=true hg merge
   merging a
   0 files updated, 1 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
 
 should fail because we are specifying a file name
 
   $ hg ci -mmerge a
   abort: cannot partially commit a merge (do not specify files or patterns)
   [255]
 
 should fail because we are specifying a pattern
 
   $ hg ci -mmerge -I a
   abort: cannot partially commit a merge (do not specify files or patterns)
   [255]
 
 should succeed
 
   $ HGEDITOR="sh $TESTTMP/checkeditform.sh" hg ci -mmerge --edit
   HGEDITFORM=commit.normal.merge
   $ cd ..
 
 
 test commit message content
 
   $ hg init commitmsg
   $ cd commitmsg
   $ echo changed > changed
   $ echo removed > removed
   $ hg book currentbookmark
   $ hg ci -qAm init
 
   $ hg rm removed
   $ echo changed >> changed
   $ echo added > added
   $ hg add added
   $ HGEDITOR=cat hg ci -A
   
   
   HG: Enter commit message.  Lines beginning with 'HG:' are removed.
   HG: Leave message empty to abort commit.
   HG: --
   HG: user: test
   HG: branch 'default'
   HG: bookmark 'currentbookmark'
   HG: added added
   HG: changed changed
   HG: removed removed
   abort: empty commit message
   [255]
 
 test saving last-message.txt
 
   $ hg init sub
   $ echo a > sub/a
   $ hg -R sub add sub/a
   $ cat > sub/.hg/hgrc <<EOF
   > [hooks]
   > precommit.test-saving-last-message = false
   > EOF
 
   $ echo 'sub = sub' > .hgsub
   $ hg add .hgsub
 
   $ cat > $TESTTMP/editor.sh <<EOF
   > echo "==== before editing:"
   > cat \$1
   > echo "===="
   > echo "test saving last-message.txt" >> \$1
   > EOF
 
   $ rm -f .hg/last-message.txt
   $ HGEDITOR="sh $TESTTMP/editor.sh" hg commit -S -q
   ==== before editing:
   
   
   HG: Enter commit message.  Lines beginning with 'HG:' are removed.
   HG: Leave message empty to abort commit.
   HG: --
   HG: user: test
   HG: branch 'default'
   HG: bookmark 'currentbookmark'
   HG: subrepo sub
   HG: added .hgsub
   HG: added added
   HG: changed .hgsubstate
   HG: changed changed
   HG: removed removed
   ====
   abort: precommit.test-saving-last-message hook exited with status 1 (in subrepo sub)
   [255]
   $ cat .hg/last-message.txt
   
   
   test saving last-message.txt
 
 test that '[committemplate] changeset' definition and commit log
 specific template keywords work well
 
   $ cat >> .hg/hgrc <<EOF
   > [committemplate]
   > changeset.commit.normal = HG: this is "commit.normal" template
   >     HG: {extramsg}
   >     {if(currentbookmark,
   >    "HG: bookmark '{currentbookmark}' is activated\n",
   >    "HG: no bookmark is activated\n")}{subrepos %
   >    "HG: subrepo '{subrepo}' is changed\n"}
   > 
   > changeset.commit = HG: this is "commit" template
   >     HG: {extramsg}
   >     {if(currentbookmark,
   >    "HG: bookmark '{currentbookmark}' is activated\n",
   >    "HG: no bookmark is activated\n")}{subrepos %
   >    "HG: subrepo '{subrepo}' is changed\n"}
   > 
   > changeset = HG: this is customized commit template
   >     HG: {extramsg}
   >     {if(currentbookmark,
   >    "HG: bookmark '{currentbookmark}' is activated\n",
   >    "HG: no bookmark is activated\n")}{subrepos %
   >    "HG: subrepo '{subrepo}' is changed\n"}
   > EOF
 
   $ hg init sub2
   $ echo a > sub2/a
   $ hg -R sub2 add sub2/a
   $ echo 'sub2 = sub2' >> .hgsub
 
   $ HGEDITOR=cat hg commit -S -q
   HG: this is "commit.normal" template
   HG: Leave message empty to abort commit.
   HG: bookmark 'currentbookmark' is activated
   HG: subrepo 'sub' is changed
   HG: subrepo 'sub2' is changed
   abort: empty commit message
   [255]
 
   $ cat >> .hg/hgrc <<EOF
   > [committemplate]
   > changeset.commit.normal =
   > # now, "changeset.commit" should be chosen for "hg commit"
   > EOF
 
   $ hg bookmark --inactive currentbookmark
   $ hg forget .hgsub
   $ HGEDITOR=cat hg commit -q
   HG: this is "commit" template
   HG: Leave message empty to abort commit.
   HG: no bookmark is activated
   abort: empty commit message
   [255]
 
   $ cat >> .hg/hgrc <<EOF
   > [committemplate]
   > changeset.commit =
   > # now, "changeset" should be chosen for "hg commit"
   > EOF
 
   $ HGEDITOR=cat hg commit -q
   HG: this is customized commit template
   HG: Leave message empty to abort commit.
   HG: no bookmark is activated
   abort: empty commit message
   [255]
 
 prove that we can show a diff of an amend using committemplate:
 
   $ hg init issue4470
   $ cd issue4470
   $ cat >> .hg/hgrc <<EOF
   > [committemplate]
   > changeset = {desc}\n\n
   >      HG: {extramsg}
   >      HG: user: {author}\n{ifeq(p2rev, "-1", "",
   >     "HG: branch merge\n")
   >     }HG: branch '{branch}'\n{if(currentbookmark,
   >     "HG: bookmark '{currentbookmark}'\n")  }{subrepos %
   >     "HG: subrepo {subrepo}\n"              }
   >     {splitlines(diff()) % 'HG: {line}\n'}
   > EOF
   $ echo a > a
   $ echo b > b
   $ hg addr
   adding a
   adding b
   $ hg ci -m 'init'
   $ hg rm b
   $ hg ci -m 'rm b'
   $ hg export .
   # HG changeset patch
   # User test
   # Date 0 0
   #      Thu Jan 01 00:00:00 1970 +0000
   # Node ID 88d0ffa85e7a92ccc7c9cc187f9b17858bd206a7
   # Parent  9118d25c26b1ca5cab5683b02100e7eb2c0d9471
   rm b
   
   diff -r 9118d25c26b1 -r 88d0ffa85e7a b
   --- a/b	Thu Jan 01 00:00:00 1970 +0000
   +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
   @@ -1,1 +0,0 @@
   -b
   $ echo a >> a
   $ HGEDITOR=cat hg commit --amend
   rm b
   
   
   HG: Leave message empty to abort commit.
   HG: user: test
   HG: branch 'default'
   
   HG: diff -r 9118d25c26b1 a
   HG: --- a/a	Thu Jan 01 00:00:00 1970 +0000
   HG: +++ b/a	Thu Jan 01 00:00:00 1970 +0000
   HG: @@ -1,1 +1,2 @@
   HG:  a
   HG: +a
   HG: diff -r 9118d25c26b1 b
   HG: --- a/b	Thu Jan 01 00:00:00 1970 +0000
   HG: +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
   HG: @@ -1,1 +0,0 @@
   HG: -b
   saved backup bundle to $TESTTMP/*/*-amend-backup.hg (glob)
   $ cd ..
 
 cleanup
   $ cat >> .hg/hgrc <<EOF
   > # disable customizing for subsequent tests
   > [committemplate]
   > changeset =
   > EOF
 
   $ cd ..
 
 
 commit copy
 
   $ hg init dir2
   $ cd dir2
   $ echo bleh > bar
   $ hg add bar
   $ hg ci -m 'add bar'
 
   $ hg cp bar foo
   $ echo >> bar
   $ hg ci -m 'cp bar foo; change bar'
 
   $ hg debugrename foo
   foo renamed from bar:26d3ca0dfd18e44d796b564e38dd173c9668d3a9
   $ hg debugindex bar
      rev    offset  length  ..... linkrev nodeid       p1           p2 (re)
        0         0       6  .....       0 26d3ca0dfd18 000000000000 000000000000 (re)
        1         6       7  .....       1 d267bddd54f7 26d3ca0dfd18 000000000000 (re)
 
-  $ cd ..
+verify pathauditor blocks evil filepaths
+  $ cat > evil-commit.py <<EOF
+  > from mercurial import ui, hg, context, node
+  > notrc = u".h\u200cg".encode('utf-8') + '/hgrc'
+  > u = ui.ui()
+  > r = hg.repository(u, '.')
+  > def filectxfn(repo, memctx, path):
+  >     return context.memfilectx(repo, path, '[hooks]\nupdate = echo owned')
+  > c = context.memctx(r, [r['tip'].node(), node.nullid],
+  >                    'evil', [notrc], filectxfn, 0)
+  > r.commitctx(c)
+  > EOF
+  $ $PYTHON evil-commit.py
+  $ hg co --clean tip
+  abort: path contains illegal component: .h\xe2\x80\x8cg/hgrc (esc)
+  [255]
+
+  $ hg rollback -f
+  repository tip rolled back to revision 1 (undo commit)
+  $ cat > evil-commit.py <<EOF
+  > from mercurial import ui, hg, context, node
+  > notrc = "HG~1/hgrc"
+  > u = ui.ui()
+  > r = hg.repository(u, '.')
+  > def filectxfn(repo, memctx, path):
+  >     return context.memfilectx(repo, path, '[hooks]\nupdate = echo owned')
+  > c = context.memctx(r, [r['tip'].node(), node.nullid],
+  >                    'evil', [notrc], filectxfn, 0)
+  > r.commitctx(c)
+  > EOF
+  $ $PYTHON evil-commit.py
+  $ hg co --clean tip
+  abort: path contains illegal component: HG~1/hgrc
+  [255]
+
+  $ hg rollback -f
+  repository tip rolled back to revision 1 (undo commit)
+  $ cat > evil-commit.py <<EOF
+  > from mercurial import ui, hg, context, node
+  > notrc = "HG8B6C~2/hgrc"
+  > u = ui.ui()
+  > r = hg.repository(u, '.')
+  > def filectxfn(repo, memctx, path):
+  >     return context.memfilectx(repo, path, '[hooks]\nupdate = echo owned')
+  > c = context.memctx(r, [r['tip'].node(), node.nullid],
+  >                    'evil', [notrc], filectxfn, 0)
+  > r.commitctx(c)
+  > EOF
+  $ $PYTHON evil-commit.py
+  $ hg co --clean tip
+  abort: path contains illegal component: HG8B6C~2/hgrc
+  [255]

tests/test-largefiles-misc.t

@@ -1,869 +1,879 b''
 This file contains testcases that tend to be related to special cases or less
 common commands affecting largefile.
 
 Each sections should be independent of each others.
 
   $ USERCACHE="$TESTTMP/cache"; export USERCACHE
   $ mkdir "${USERCACHE}"
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > largefiles=
   > purge=
   > rebase=
   > transplant=
   > [phases]
   > publish=False
   > [largefiles]
   > minsize=2
   > patterns=glob:**.dat
   > usercache=${USERCACHE}
   > [hooks]
   > precommit=sh -c "echo \\"Invoking status precommit hook\\"; hg status"
   > EOF
 
 
 
 Test copies and moves from a directory other than root (issue3516)
 =========================================================================
 
   $ hg init lf_cpmv
   $ cd lf_cpmv
   $ mkdir dira
   $ mkdir dira/dirb
   $ touch dira/dirb/largefile
   $ hg add --large dira/dirb/largefile
   $ hg commit -m "added"
   Invoking status precommit hook
   A dira/dirb/largefile
   $ cd dira
   $ hg cp dirb/largefile foo/largefile
   $ hg ci -m "deep copy"
   Invoking status precommit hook
   A dira/foo/largefile
   $ find . | sort
   .
   ./dirb
   ./dirb/largefile
   ./foo
   ./foo/largefile
   $ hg mv foo/largefile baz/largefile
   $ hg ci -m "moved"
   Invoking status precommit hook
   A dira/baz/largefile
   R dira/foo/largefile
   $ find . | sort
   .
   ./baz
   ./baz/largefile
   ./dirb
   ./dirb/largefile
   $ cd ..
   $ hg mv dira dirc
   moving .hglf/dira/baz/largefile to .hglf/dirc/baz/largefile (glob)
   moving .hglf/dira/dirb/largefile to .hglf/dirc/dirb/largefile (glob)
   $ find * | sort
   dirc
   dirc/baz
   dirc/baz/largefile
   dirc/dirb
   dirc/dirb/largefile
 
   $ hg clone -q . ../fetch
   $ hg --config extensions.fetch= fetch ../fetch
   abort: uncommitted changes
   [255]
   $ hg up -qC
   $ cd ..
 
 Clone a local repository owned by another user
 ===================================================
 
 #if unix-permissions
 
 We have to simulate that here by setting $HOME and removing write permissions
   $ ORIGHOME="$HOME"
   $ mkdir alice
   $ HOME="`pwd`/alice"
   $ cd alice
   $ hg init pubrepo
   $ cd pubrepo
   $ dd if=/dev/zero bs=1k count=11k > a-large-file 2> /dev/null
   $ hg add --large a-large-file
   $ hg commit -m "Add a large file"
   Invoking status precommit hook
   A a-large-file
   $ cd ..
   $ chmod -R a-w pubrepo
   $ cd ..
   $ mkdir bob
   $ HOME="`pwd`/bob"
   $ cd bob
   $ hg clone --pull ../alice/pubrepo pubrepo
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   updating to branch default
   getting changed largefiles
   1 largefiles updated, 0 removed
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd ..
   $ chmod -R u+w alice/pubrepo
   $ HOME="$ORIGHOME"
 
 #endif
 
 
 Symlink to a large largefile should behave the same as a symlink to a normal file
 =====================================================================================
 
 #if symlink
 
   $ hg init largesymlink
   $ cd largesymlink
   $ dd if=/dev/zero bs=1k count=10k of=largefile 2>/dev/null
   $ hg add --large largefile
   $ hg commit -m "commit a large file"
   Invoking status precommit hook
   A largefile
   $ ln -s largefile largelink
   $ hg add largelink
   $ hg commit -m "commit a large symlink"
   Invoking status precommit hook
   A largelink
   $ rm -f largelink
   $ hg up >/dev/null
   $ test -f largelink
   [1]
   $ test -L largelink
   [1]
   $ rm -f largelink # make next part of the test independent of the previous
   $ hg up -C >/dev/null
   $ test -f largelink
   $ test -L largelink
   $ cd ..
 
 #endif
 
 
 test for pattern matching on 'hg status':
 ==============================================
 
 
 to boost performance, largefiles checks whether specified patterns are
 related to largefiles in working directory (NOT to STANDIN) or not.
 
   $ hg init statusmatch
   $ cd statusmatch
 
   $ mkdir -p a/b/c/d
   $ echo normal > a/b/c/d/e.normal.txt
   $ hg add a/b/c/d/e.normal.txt
   $ echo large > a/b/c/d/e.large.txt
   $ hg add --large a/b/c/d/e.large.txt
   $ mkdir -p a/b/c/x
   $ echo normal > a/b/c/x/y.normal.txt
   $ hg add a/b/c/x/y.normal.txt
   $ hg commit -m 'add files'
   Invoking status precommit hook
   A a/b/c/d/e.large.txt
   A a/b/c/d/e.normal.txt
   A a/b/c/x/y.normal.txt
 
 (1) no pattern: no performance boost
   $ hg status -A
   C a/b/c/d/e.large.txt
   C a/b/c/d/e.normal.txt
   C a/b/c/x/y.normal.txt
 
 (2) pattern not related to largefiles: performance boost
   $ hg status -A a/b/c/x
   C a/b/c/x/y.normal.txt
 
 (3) pattern related to largefiles: no performance boost
   $ hg status -A a/b/c/d
   C a/b/c/d/e.large.txt
   C a/b/c/d/e.normal.txt
 
 (4) pattern related to STANDIN (not to largefiles): performance boost
   $ hg status -A .hglf/a
   C .hglf/a/b/c/d/e.large.txt
 
 (5) mixed case: no performance boost
   $ hg status -A a/b/c/x a/b/c/d
   C a/b/c/d/e.large.txt
   C a/b/c/d/e.normal.txt
   C a/b/c/x/y.normal.txt
 
 verify that largefiles doesn't break filesets
 
   $ hg log --rev . --exclude "set:binary()"
   changeset:   0:41bd42f10efa
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add files
   
 verify that large files in subrepos handled properly
   $ hg init subrepo
   $ echo "subrepo = subrepo" > .hgsub
   $ hg add .hgsub
   $ hg ci -m "add subrepo"
   Invoking status precommit hook
   A .hgsub
   ? .hgsubstate
   $ echo "rev 1" > subrepo/large.txt
   $ hg -R subrepo add --large subrepo/large.txt
   $ hg sum
   parent: 1:8ee150ea2e9c tip
    add subrepo
   branch: default
   commit: 1 subrepos
   update: (current)
   $ hg st
   $ hg st -S
   A subrepo/large.txt
   $ hg ci -S -m "commit top repo"
   committing subrepository subrepo
   Invoking status precommit hook
   A large.txt
   Invoking status precommit hook
   M .hgsubstate
 # No differences
   $ hg st -S
   $ hg sum
   parent: 2:ce4cd0c527a6 tip
    commit top repo
   branch: default
   commit: (clean)
   update: (current)
   $ echo "rev 2" > subrepo/large.txt
   $ hg st -S
   M subrepo/large.txt
   $ hg sum
   parent: 2:ce4cd0c527a6 tip
    commit top repo
   branch: default
   commit: 1 subrepos
   update: (current)
   $ hg ci -m "this commit should fail without -S"
   abort: uncommitted changes in subrepo subrepo
   (use --subrepos for recursive commit)
   [255]
 
 Add a normal file to the subrepo, then test archiving
 
   $ echo 'normal file' > subrepo/normal.txt
+  $ mv subrepo/large.txt subrepo/renamed-large.txt
+  $ hg -R subrepo addremove --dry-run
+  removing large.txt
+  adding normal.txt
+  adding renamed-large.txt
+  $ hg status -S
+  ! subrepo/large.txt
+  ? subrepo/normal.txt
+  ? subrepo/renamed-large.txt
+  $ mv subrepo/renamed-large.txt subrepo/large.txt
   $ hg -R subrepo add subrepo/normal.txt
 
 Lock in subrepo, otherwise the change isn't archived
 
   $ hg ci -S -m "add normal file to top level"
   committing subrepository subrepo
   Invoking status precommit hook
   M large.txt
   A normal.txt
   Invoking status precommit hook
   M .hgsubstate
   $ hg archive -S ../lf_subrepo_archive
   $ find ../lf_subrepo_archive | sort
   ../lf_subrepo_archive
   ../lf_subrepo_archive/.hg_archival.txt
   ../lf_subrepo_archive/.hgsub
   ../lf_subrepo_archive/.hgsubstate
   ../lf_subrepo_archive/a
   ../lf_subrepo_archive/a/b
   ../lf_subrepo_archive/a/b/c
   ../lf_subrepo_archive/a/b/c/d
   ../lf_subrepo_archive/a/b/c/d/e.large.txt
   ../lf_subrepo_archive/a/b/c/d/e.normal.txt
   ../lf_subrepo_archive/a/b/c/x
   ../lf_subrepo_archive/a/b/c/x/y.normal.txt
   ../lf_subrepo_archive/subrepo
   ../lf_subrepo_archive/subrepo/large.txt
   ../lf_subrepo_archive/subrepo/normal.txt
 
 Test update with subrepos.
 
   $ hg update 0
   getting changed largefiles
   0 largefiles updated, 1 removed
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   $ hg status -S
   $ hg update tip
   getting changed largefiles
   1 largefiles updated, 0 removed
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg status -S
 # modify a large file
   $ echo "modified" > subrepo/large.txt
   $ hg st -S
   M subrepo/large.txt
 # update -C should revert the change.
   $ hg update -C
   getting changed largefiles
   1 largefiles updated, 0 removed
   getting changed largefiles
   0 largefiles updated, 0 removed
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg status -S
 
 Test archiving a revision that references a subrepo that is not yet
 cloned (see test-subrepo-recursion.t):
 
   $ hg clone -U . ../empty
   $ cd ../empty
   $ hg archive --subrepos -r tip ../archive.tar.gz
   cloning subrepo subrepo from $TESTTMP/statusmatch/subrepo
   $ cd ..
 
 
 
 
 
 
 Test addremove, forget and others
 ==============================================
 
 Test that addremove picks up largefiles prior to the initial commit (issue3541)
 
   $ hg init addrm2
   $ cd addrm2
   $ touch large.dat
   $ touch large2.dat
   $ touch normal
   $ hg add --large large.dat
   $ hg addremove -v
   adding large2.dat as a largefile
   adding normal
 
 Test that forgetting all largefiles reverts to islfilesrepo() == False
 (addremove will add *.dat as normal files now)
   $ hg forget large.dat
   $ hg forget large2.dat
   $ hg addremove -v
   adding large.dat
   adding large2.dat
 
 Test commit's addremove option prior to the first commit
   $ hg forget large.dat
   $ hg forget large2.dat
   $ hg add --large large.dat
   $ hg ci -Am "commit"
   adding large2.dat as a largefile
   Invoking status precommit hook
   A large.dat
   A large2.dat
   A normal
   $ find .hglf | sort
   .hglf
   .hglf/large.dat
   .hglf/large2.dat
 
 Test actions on largefiles using relative paths from subdir
 
   $ mkdir sub
   $ cd sub
   $ echo anotherlarge > anotherlarge
   $ hg add --large anotherlarge
   $ hg st
   A sub/anotherlarge
   $ hg st anotherlarge
   A anotherlarge
   $ hg commit -m anotherlarge anotherlarge
   Invoking status precommit hook
   A sub/anotherlarge
   $ hg log anotherlarge
   changeset:   1:9627a577c5e9
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     anotherlarge
   
   $ hg log -G anotherlarge
   @  changeset:   1:9627a577c5e9
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     anotherlarge
   |
   $ echo more >> anotherlarge
   $ hg st .
   M anotherlarge
   $ hg cat anotherlarge
   anotherlarge
   $ hg revert anotherlarge
   $ hg st
   ? sub/anotherlarge.orig
   $ cd ..
 
   $ cd ..
 
 Check error message while exchange
 =========================================================
 
 issue3651: summary/outgoing with largefiles shows "no remote repo"
 unexpectedly
 
   $ mkdir issue3651
   $ cd issue3651
 
   $ hg init src
   $ echo a > src/a
   $ hg -R src add --large src/a
   $ hg -R src commit -m '#0'
   Invoking status precommit hook
   A a
 
 check messages when no remote repository is specified:
 "no remote repo" route for "hg outgoing --large" is not tested here,
 because it can't be reproduced easily.
 
   $ hg init clone1
   $ hg -R clone1 -q pull src
   $ hg -R clone1 -q update
   $ hg -R clone1 paths | grep default
   [1]
 
   $ hg -R clone1 summary --large
   parent: 0:fc0bd45326d3 tip
    #0
   branch: default
   commit: (clean)
   update: (current)
   largefiles: (no remote repo)
 
 check messages when there is no files to upload:
 
   $ hg -q clone src clone2
   $ hg -R clone2 paths | grep default
   default = $TESTTMP/issue3651/src (glob)
 
   $ hg -R clone2 summary --large
   parent: 0:fc0bd45326d3 tip
    #0
   branch: default
   commit: (clean)
   update: (current)
   largefiles: (no files to upload)
   $ hg -R clone2 outgoing --large
   comparing with $TESTTMP/issue3651/src (glob)
   searching for changes
   no changes found
   largefiles: no files to upload
   [1]
 
   $ hg -R clone2 outgoing --large --graph --template "{rev}"
   comparing with $TESTTMP/issue3651/src (glob)
   searching for changes
   no changes found
   largefiles: no files to upload
 
 check messages when there are files to upload:
 
   $ echo b > clone2/b
   $ hg -R clone2 add --large clone2/b
   $ hg -R clone2 commit -m '#1'
   Invoking status precommit hook
   A b
   $ hg -R clone2 summary --large
   parent: 1:1acbe71ce432 tip
    #1
   branch: default
   commit: (clean)
   update: (current)
   largefiles: 1 entities for 1 files to upload
   $ hg -R clone2 outgoing --large
   comparing with $TESTTMP/issue3651/src (glob)
   searching for changes
   changeset:   1:1acbe71ce432
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     #1
   
   largefiles to upload (1 entities):
   b
   
   $ hg -R clone2 outgoing --large --graph --template "{rev}"
   comparing with $TESTTMP/issue3651/src (glob)
   searching for changes
   @  1
   
   largefiles to upload (1 entities):
   b
   
 
   $ cp clone2/b clone2/b1
   $ cp clone2/b clone2/b2
   $ hg -R clone2 add --large clone2/b1 clone2/b2
   $ hg -R clone2 commit -m '#2: add largefiles referring same entity'
   Invoking status precommit hook
   A b1
   A b2
   $ hg -R clone2 summary --large
   parent: 2:6095d0695d70 tip
    #2: add largefiles referring same entity
   branch: default
   commit: (clean)
   update: (current)
   largefiles: 1 entities for 3 files to upload
   $ hg -R clone2 outgoing --large -T "{rev}:{node|short}\n"
   comparing with $TESTTMP/issue3651/src (glob)
   searching for changes
   1:1acbe71ce432
   2:6095d0695d70
   largefiles to upload (1 entities):
   b
   b1
   b2
   
   $ hg -R clone2 cat -r 1 clone2/.hglf/b
   89e6c98d92887913cadf06b2adb97f26cde4849b
   $ hg -R clone2 outgoing --large -T "{rev}:{node|short}\n" --debug
   comparing with $TESTTMP/issue3651/src (glob)
   query 1; heads
   searching for changes
   all remote heads known locally
   1:1acbe71ce432
   2:6095d0695d70
   largefiles to upload (1 entities):
   b
       89e6c98d92887913cadf06b2adb97f26cde4849b
   b1
       89e6c98d92887913cadf06b2adb97f26cde4849b
   b2
       89e6c98d92887913cadf06b2adb97f26cde4849b
   
 
   $ echo bbb > clone2/b
   $ hg -R clone2 commit -m '#3: add new largefile entity as existing file'
   Invoking status precommit hook
   M b
   $ echo bbbb > clone2/b
   $ hg -R clone2 commit -m '#4: add new largefile entity as existing file'
   Invoking status precommit hook
   M b
   $ cp clone2/b1 clone2/b
   $ hg -R clone2 commit -m '#5: refer existing largefile entity again'
   Invoking status precommit hook
   M b
   $ hg -R clone2 summary --large
   parent: 5:036794ea641c tip
    #5: refer existing largefile entity again
   branch: default
   commit: (clean)
   update: (current)
   largefiles: 3 entities for 3 files to upload
   $ hg -R clone2 outgoing --large -T "{rev}:{node|short}\n"
   comparing with $TESTTMP/issue3651/src (glob)
   searching for changes
   1:1acbe71ce432
   2:6095d0695d70
   3:7983dce246cc
   4:233f12ada4ae
   5:036794ea641c
   largefiles to upload (3 entities):
   b
   b1
   b2
   
   $ hg -R clone2 cat -r 3 clone2/.hglf/b
   c801c9cfe94400963fcb683246217d5db77f9a9a
   $ hg -R clone2 cat -r 4 clone2/.hglf/b
   13f9ed0898e315bf59dc2973fec52037b6f441a2
   $ hg -R clone2 outgoing --large -T "{rev}:{node|short}\n" --debug
   comparing with $TESTTMP/issue3651/src (glob)
   query 1; heads
   searching for changes
   all remote heads known locally
   1:1acbe71ce432
   2:6095d0695d70
   3:7983dce246cc
   4:233f12ada4ae
   5:036794ea641c
   largefiles to upload (3 entities):
   b
       13f9ed0898e315bf59dc2973fec52037b6f441a2
       89e6c98d92887913cadf06b2adb97f26cde4849b
       c801c9cfe94400963fcb683246217d5db77f9a9a
   b1
       89e6c98d92887913cadf06b2adb97f26cde4849b
   b2
       89e6c98d92887913cadf06b2adb97f26cde4849b
   
 
 Pushing revision #1 causes uploading entity 89e6c98d9288, which is
 shared also by largefiles b1, b2 in revision #2 and b in revision #5.
 
 Then, entity 89e6c98d9288 is not treated as "outgoing entity" at "hg
 summary" and "hg outgoing", even though files in outgoing revision #2
 and #5 refer it.
 
   $ hg -R clone2 push -r 1 -q
   $ hg -R clone2 summary --large
   parent: 5:036794ea641c tip
    #5: refer existing largefile entity again
   branch: default
   commit: (clean)
   update: (current)
   largefiles: 2 entities for 1 files to upload
   $ hg -R clone2 outgoing --large -T "{rev}:{node|short}\n"
   comparing with $TESTTMP/issue3651/src (glob)
   searching for changes
   2:6095d0695d70
   3:7983dce246cc
   4:233f12ada4ae
   5:036794ea641c
   largefiles to upload (2 entities):
   b
   
   $ hg -R clone2 outgoing --large -T "{rev}:{node|short}\n" --debug
   comparing with $TESTTMP/issue3651/src (glob)
   query 1; heads
   searching for changes
   all remote heads known locally
   2:6095d0695d70
   3:7983dce246cc
   4:233f12ada4ae
   5:036794ea641c
   largefiles to upload (2 entities):
   b
       13f9ed0898e315bf59dc2973fec52037b6f441a2
       c801c9cfe94400963fcb683246217d5db77f9a9a
   
 
   $ cd ..
 
 merge action 'd' for 'local renamed directory to d2/g' which has no filename
 ==================================================================================
 
   $ hg init merge-action
   $ cd merge-action
   $ touch l
   $ hg add --large l
   $ mkdir d1
   $ touch d1/f
   $ hg ci -Aqm0
   Invoking status precommit hook
   A d1/f
   A l
   $ echo > d1/f
   $ touch d1/g
   $ hg ci -Aqm1
   Invoking status precommit hook
   M d1/f
   A d1/g
   $ hg up -qr0
   $ hg mv d1 d2
   moving d1/f to d2/f (glob)
   $ hg ci -qm2
   Invoking status precommit hook
   A d2/f
   R d1/f
   $ hg merge
   merging d2/f and d1/f to d2/f
   getting changed largefiles
   0 largefiles updated, 0 removed
   1 files updated, 1 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ cd ..
 
 
 Merge conflicts:
 =====================
 
   $ hg init merge
   $ cd merge
   $ echo 0 > f-different
   $ echo 0 > f-same
   $ echo 0 > f-unchanged-1
   $ echo 0 > f-unchanged-2
   $ hg add --large *
   $ hg ci -m0
   Invoking status precommit hook
   A f-different
   A f-same
   A f-unchanged-1
   A f-unchanged-2
   $ echo tmp1 > f-unchanged-1
   $ echo tmp1 > f-unchanged-2
   $ echo tmp1 > f-same
   $ hg ci -m1
   Invoking status precommit hook
   M f-same
   M f-unchanged-1
   M f-unchanged-2
   $ echo 2 > f-different
   $ echo 0 > f-unchanged-1
   $ echo 1 > f-unchanged-2
   $ echo 1 > f-same
   $ hg ci -m2
   Invoking status precommit hook
   M f-different
   M f-same
   M f-unchanged-1
   M f-unchanged-2
   $ hg up -qr0
   $ echo tmp2 > f-unchanged-1
   $ echo tmp2 > f-unchanged-2
   $ echo tmp2 > f-same
   $ hg ci -m3
   Invoking status precommit hook
   M f-same
   M f-unchanged-1
   M f-unchanged-2
   created new head
   $ echo 1 > f-different
   $ echo 1 > f-unchanged-1
   $ echo 0 > f-unchanged-2
   $ echo 1 > f-same
   $ hg ci -m4
   Invoking status precommit hook
   M f-different
   M f-same
   M f-unchanged-1
   M f-unchanged-2
   $ hg merge
   largefile f-different has a merge conflict
   ancestor was 09d2af8dd22201dd8d48e5dcfcaed281ff9422c7
   keep (l)ocal e5fa44f2b31c1fb553b6021e7360d07d5d91ff5e or
   take (o)ther 7448d8798a4380162d4b56f9b452e2f6f9e24e7a? l
   getting changed largefiles
   1 largefiles updated, 0 removed
   0 files updated, 4 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ cat f-different
   1
   $ cat f-same
   1
   $ cat f-unchanged-1
   1
   $ cat f-unchanged-2
   1
   $ cd ..
 
 Test largefile insulation (do not enabled a side effect
 ========================================================
 
 Check whether "largefiles" feature is supported only in repositories
 enabling largefiles extension.
 
   $ mkdir individualenabling
   $ cd individualenabling
 
   $ hg init enabledlocally
   $ echo large > enabledlocally/large
   $ hg -R enabledlocally add --large enabledlocally/large
   $ hg -R enabledlocally commit -m '#0'
   Invoking status precommit hook
   A large
 
   $ hg init notenabledlocally
   $ echo large > notenabledlocally/large
   $ hg -R notenabledlocally add --large notenabledlocally/large
   $ hg -R notenabledlocally commit -m '#0'
   Invoking status precommit hook
   A large
 
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > # disable globally
   > largefiles=!
   > EOF
   $ cat >> enabledlocally/.hg/hgrc <<EOF
   > [extensions]
   > # enable locally
   > largefiles=
   > EOF
   $ hg -R enabledlocally root
   $TESTTMP/individualenabling/enabledlocally (glob)
   $ hg -R notenabledlocally root
   abort: repository requires features unknown to this Mercurial: largefiles!
   (see http://mercurial.selenic.com/wiki/MissingRequirement for more information)
   [255]
 
   $ hg init push-dst
   $ hg -R enabledlocally push push-dst
   pushing to push-dst
   abort: required features are not supported in the destination: largefiles
   [255]
 
   $ hg init pull-src
   $ hg -R pull-src pull enabledlocally
   pulling from enabledlocally
   abort: required features are not supported in the destination: largefiles
   [255]
 
   $ hg clone enabledlocally clone-dst
   abort: repository requires features unknown to this Mercurial: largefiles!
   (see http://mercurial.selenic.com/wiki/MissingRequirement for more information)
   [255]
   $ test -d clone-dst
   [1]
   $ hg clone --pull enabledlocally clone-pull-dst
   abort: required features are not supported in the destination: largefiles
   [255]
   $ test -d clone-pull-dst
   [1]
 
 #if serve
 
 Test largefiles specific peer setup, when largefiles is enabled
 locally (issue4109)
 
   $ hg showconfig extensions | grep largefiles
   extensions.largefiles=!
   $ mkdir -p $TESTTMP/individualenabling/usercache
 
   $ hg serve -R enabledlocally -d -p $HGPORT --pid-file hg.pid
   $ cat hg.pid >> $DAEMON_PIDS
 
   $ hg init pull-dst
   $ cat > pull-dst/.hg/hgrc <<EOF
   > [extensions]
   > # enable locally
   > largefiles=
   > [largefiles]
   > # ignore system cache to force largefiles specific wire proto access
   > usercache=$TESTTMP/individualenabling/usercache
   > EOF
   $ hg -R pull-dst -q pull -u http://localhost:$HGPORT
 
   $ "$TESTDIR/killdaemons.py" $DAEMON_PIDS
 #endif
 
   $ cd ..
 
 
 Test "pull --rebase" when rebase is enabled before largefiles (issue3861)
 =========================================================================
 
   $ hg showconfig extensions | grep largefiles
   extensions.largefiles=!
 
   $ mkdir issue3861
   $ cd issue3861
   $ hg init src
   $ hg clone -q src dst
   $ echo a > src/a
   $ hg -R src commit -Aqm "#0"
   Invoking status precommit hook
   A a
 
   $ cat >> dst/.hg/hgrc <<EOF
   > [extensions]
   > largefiles=
   > EOF
   $ hg -R dst pull --rebase
   pulling from $TESTTMP/issue3861/src (glob)
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   nothing to rebase - working directory parent is already an ancestor of destination bf5e395ced2c
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ cd ..