workingctx: don't report the tags for its parents

This fixes the bad distance calculation for '{latesttagdistance}' mentioned in
the previous patch.

mercurial/context.py

@@ -1,1922 +1,1919
 # 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):
         return iter(self._manifest)
 
     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 = [], []
         removed = []
         clean = []
         deleted, unknown, ignored = s.deleted, s.unknown, s.ignored
         deletedset = set(deleted)
         d = mf1.diff(mf2, clean=listclean)
         for fn, value in d.iteritems():
             if fn in deletedset:
                 continue
             if value is None:
                 clean.append(fn)
                 continue
             (node1, flag1), (node2, flag2) = value
             if node1 is None:
                 added.append(fn)
             elif node2 is None:
                 removed.append(fn)
             elif node2 != _newnode:
                 # The file was not a new file in mf2, so an entry
                 # from diff is really a difference.
                 modified.append(fn)
             elif self[fn].cmp(other[fn]):
                 # node2 was newnode, but the working file doesn't
                 # match the one in mf1.
                 modified.append(fn)
             else:
                 clean.append(fn)
 
         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]
             # if they're deleted, don't report them as removed
             removed = [fn for fn in removed if fn not in deletedset]
 
         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 repo(self):
         return self._repo
     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 a subrepo for the stored revision of path, never wdir()'''
         return subrepo.subrepo(self, path)
 
     def nullsub(self, path, pctx):
         return subrepo.nullsubrepo(self, path, pctx)
 
     def workingsub(self, path):
         '''return a subrepo for the stored revision, or wdir if this is a wdir
         context.
         '''
         return subrepo.subrepo(self, path, allowwdir=True)
 
     def match(self, pats=[], include=None, exclude=None, default='glob',
               listsubrepos=False, badfn=None):
         r = self._repo
         return matchmod.match(r.root, r.getcwd(), pats,
                               include, exclude, default,
                               auditor=r.auditor, ctx=self,
                               listsubrepos=listsubrepos, badfn=badfn)
 
     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)
 
     def dirs(self):
         return self._manifest.dirs()
 
     def hasdir(self, dir):
         return self._manifest.hasdir(dir)
 
     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, extra=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)
     if extra is None:
         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 == '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 changeid == '.' or changeid == repo.dirstate.p1():
                 # this is a hack to delay/avoid loading obsmarkers
                 # when we know that '.' won't be hidden
                 self._node = repo.dirstate.p1()
                 self._rev = repo.unfiltered().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.startswith('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):
         '''Generates matching file names.'''
 
         # Wrap match.bad method to have message with nodeid
         def bad(fn, msg):
             # The manifest doesn't know about subrepos, so don't complain about
             # paths into valid subrepos.
             if any(fn == s or fn.startswith(s + '/')
                    for s in self.substate):
                 return
             match.bad(fn, _('no such file in rev %s') % self)
 
         m = matchmod.badmatch(match, bad)
         return self._manifest.walk(m)
 
     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()
         elif '_descendantrev' in self.__dict__:
             # this file context was created from a revision with a known
             # descendant, we can (lazily) correct for linkrev aliases
             return self._adjustlinkrev(self._path, self._filelog,
                                        self._filenode, self._descendantrev)
         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 repo(self):
         return self._repo
 
     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 _adjustlinkrev(self, path, filelog, fnode, srcrev, inclusive=False):
         """return the first ancestor of <srcrev> introducing <fnode>
 
         If the linkrev of the file revision does not point to an ancestor of
         srcrev, we'll walk down the ancestors until we find one introducing
         this file revision.
 
         :repo: a localrepository object (used to access changelog and manifest)
         :path: the file path
         :fnode: the nodeid of the file revision
         :filelog: the filelog of this path
         :srcrev: the changeset revision we search ancestors from
         :inclusive: if true, the src revision will also be checked
         """
         repo = self._repo
         cl = repo.unfiltered().changelog
         ma = repo.manifest
         # fetch the linkrev
         fr = filelog.rev(fnode)
         lkr = filelog.linkrev(fr)
         # hack to reuse ancestor computation when searching for renames
         memberanc = getattr(self, '_ancestrycontext', None)
         iteranc = None
         if srcrev is None:
             # wctx case, used by workingfilectx during mergecopy
             revs = [p.rev() for p in self._repo[None].parents()]
             inclusive = True # we skipped the real (revless) source
         else:
             revs = [srcrev]
         if memberanc is None:
             memberanc = iteranc = cl.ancestors(revs, lkr,
                                                inclusive=inclusive)
         # check if this linkrev is an ancestor of srcrev
         if lkr not in memberanc:
             if iteranc is None:
                 iteranc = cl.ancestors(revs, lkr, inclusive=inclusive)
             for a in iteranc:
                 ac = cl.read(a) # get changeset data (we avoid object creation)
                 if path in ac[3]: # checking the 'files' field.
                     # The file has been touched, check if the content is
                     # similar to the one we search for.
                     if fnode == ma.readfast(ac[0]).get(path):
                         return a
             # In theory, we should never get out of that loop without a result.
             # But if manifest uses a buggy file revision (not children of the
             # one it replaces) we could. Such a buggy situation will likely
             # result is crash somewhere else at to some point.
         return lkr
 
     def introrev(self):
         """return the rev of the changeset which introduced this file revision
 
         This method is different from linkrev because it take into account the
         changeset the filectx was created from. It ensures the returned
         revision is one of its ancestors. This prevents bugs from
         'linkrev-shadowing' when a file revision is used by multiple
         changesets.
         """
         lkr = self.linkrev()
         attrs = vars(self)
         noctx = not ('_changeid' in attrs or '_changectx' in attrs)
         if noctx or self.rev() == lkr:
             return self.linkrev()
         return self._adjustlinkrev(self._path, self._filelog, self._filenode,
                                    self.rev(), inclusive=True)
 
     def _parentfilectx(self, path, fileid, filelog):
         """create parent filectx keeping ancestry info for _adjustlinkrev()"""
         fctx = filectx(self._repo, path, fileid=fileid, filelog=filelog)
         if '_changeid' in vars(self) or '_changectx' in vars(self):
             # If self is associated with a changeset (probably explicitly
             # fed), ensure the created filectx is associated with a
             # changeset that is an ancestor of self.changectx.
             # This lets us later use _adjustlinkrev to get a correct link.
             fctx._descendantrev = self.rev()
             fctx._ancestrycontext = getattr(self, '_ancestrycontext', None)
         elif '_descendantrev' in vars(self):
             # Otherwise propagate _descendantrev if we have one associated.
             fctx._descendantrev = self._descendantrev
             fctx._ancestrycontext = getattr(self, '_ancestrycontext', None)
         return fctx
 
     def parents(self):
         _path = self._path
         fl = self._filelog
         parents = self._filelog.parents(self._filenode)
         pl = [(_path, node, fl) for node in parents if node != nullid]
 
         r = fl.renamed(self._filenode)
         if r:
             # - In the simple rename case, both parent are nullid, pl is empty.
             # - In case of merge, only one of the parent is null id and should
             # be replaced with the rename information. This parent is -always-
             # the first one.
             #
             # As null id have always been filtered out in the previous list
             # comprehension, inserting to 0 will always result in "replacing
             # first nullid parent with rename information.
             pl.insert(0, (r[0], r[1], self._repo.file(r[0])))
 
         return [self._parentfilectx(path, fnode, l) for path, fnode, l in pl]
 
     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):
             # Cut _descendantrev here to mitigate the penalty of lazy linkrev
             # adjustment. Otherwise, p._adjustlinkrev() would walk changelog
             # from the topmost introrev (= srcrev) down to p.linkrev() if it
             # isn't an ancestor of the srcrev.
             f._changeid
             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
         base = self
         introrev = self.introrev()
         if self.rev() != introrev:
             base = self.filectx(self.filenode(), changeid=introrev)
         if getattr(base, '_ancestrycontext', None) is None:
             cl = self._repo.changelog
             if introrev is None:
                 # wctx is not inclusive, but works because _ancestrycontext
                 # is used to test filelog revisions
                 ac = cl.ancestors([p.rev() for p in base.parents()],
                                   inclusive=True)
             else:
                 ac = cl.ancestors([introrev], inclusive=True)
             base._ancestrycontext = ac
 
         # 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
         if followfirst:
             cut = 1
         else:
             cut = None
 
         while True:
             for parent in c.parents()[:cut]:
                 visit[(parent.linkrev(), parent.filenode())] = 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.FilteredRepoLookupError:
             # 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, changeid=None):
         '''opens an arbitrary revision of the file without
         opening a new filelog'''
         return filectx(self._repo, self._path, fileid=fileid,
                        filelog=self._filelog, changeid=changeid)
 
     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 manifestnode(self):
         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 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
+        return []
 
     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):
         '''Generates matching file names.'''
         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 p in self._parents:
             yield p
         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()
 
 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"
 
     def hex(self):
         return "ff" * 20
 
     @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 as 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 match(self, pats=[], include=None, exclude=None, default='glob',
               listsubrepos=False, badfn=None):
         r = self._repo
 
         # Only a case insensitive filesystem needs magic to translate user input
         # to actual case in the filesystem.
         if not util.checkcase(r.root):
             return matchmod.icasefsmatcher(r.root, r.getcwd(), pats, include,
                                            exclude, default, r.auditor, self,
                                            listsubrepos=listsubrepos,
                                            badfn=badfn)
         return matchmod.match(r.root, r.getcwd(), pats,
                               include, exclude, default,
                               auditor=r.auditor, ctx=self,
                               listsubrepos=listsubrepos, badfn=badfn)
 
     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] = _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)
 
         if match.always():
             # cache for performance
             if s.unknown or s.ignored or s.clean:
                 # "_status" is cached with list*=False in the normal route
                 self._status = scmutil.status(s.modified, s.added, s.removed,
                                               s.deleted, [], [], [])
             else:
                 self._status = s
 
         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)
         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 not other.hasdir(f):
                     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 linkrev(self):
         # linked to self._changectx no matter if file is modified or not
         return self.rev()
 
     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 [self._parentfilectx(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 as 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 workingcommitctx(workingctx):
     """A workingcommitctx object makes access to data related to
     the revision being committed convenient.
 
     This hides changes in the working directory, if they aren't
     committed in this context.
     """
     def __init__(self, repo, changes,
                  text="", user=None, date=None, extra=None):
         super(workingctx, self).__init__(repo, text, user, date, extra,
                                          changes)
 
     def _dirstatestatus(self, match=None, ignored=False, clean=False,
                         unknown=False):
         """Return matched files only in ``self._status``
 
         Uncommitted files appear "clean" via this context, even if
         they aren't actually so in the working directory.
         """
         match = match or matchmod.always(self._repo.root, self._repo.getcwd())
         if clean:
             clean = [f for f in self._manifest if f not in self._changedset]
         else:
             clean = []
         return scmutil.status([f for f in self._status.modified if match(f)],
                               [f for f in self._status.added if match(f)],
                               [f for f in self._status.removed if match(f)],
                               [], [], [], clean)
 
     @propertycache
     def _changedset(self):
         """Return the set of files changed in this context
         """
         changed = set(self._status.modified)
         changed.update(self._status.added)
         changed.update(self._status.removed)
         return changed
 
 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)
 
         if extra:
             self._extra = extra.copy()
         else:
             self._extra = {}
 
         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]
         man = pctx.manifest().copy()
 
         for f in self._status.modified:
             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()
             man[f] = revlog.hash(self[f].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

tests/test-log.t

@@ -1,2052 +1,2052
 Log on empty repository: checking consistency
 
   $ hg init empty
   $ cd empty
   $ hg log
   $ hg log -r 1
   abort: unknown revision '1'!
   [255]
   $ hg log -r -1:0
   abort: unknown revision '-1'!
   [255]
   $ hg log -r 'branch(name)'
   abort: unknown revision 'name'!
   [255]
   $ hg log -r null -q
   -1:000000000000
 
 The g is crafted to have 2 filelog topological heads in a linear
 changeset graph
 
   $ hg init a
   $ cd a
   $ echo a > a
   $ echo f > f
   $ hg ci -Ama -d '1 0'
   adding a
   adding f
 
   $ hg cp a b
   $ hg cp f g
   $ hg ci -mb -d '2 0'
 
   $ mkdir dir
   $ hg mv b dir
   $ echo g >> g
   $ echo f >> f
   $ hg ci -mc -d '3 0'
 
   $ hg mv a b
   $ hg cp -f f g
   $ echo a > d
   $ hg add d
   $ hg ci -md -d '4 0'
 
   $ hg mv dir/b e
   $ hg ci -me -d '5 0'
 
 Make sure largefiles doesn't interfere with logging a regular file
   $ hg --debug log a -T '{rev}: {desc}\n' --config extensions.largefiles=
   updated patterns: ['.hglf/a', 'a']
   0: a
   $ hg log a
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     a
   
   $ hg log glob:a*
   changeset:   3:2ca5ba701980
   user:        test
   date:        Thu Jan 01 00:00:04 1970 +0000
   summary:     d
   
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     a
   
   $ hg --debug log glob:a* -T '{rev}: {desc}\n' --config extensions.largefiles=
   updated patterns: ['glob:.hglf/a*', 'glob:a*']
   3: d
   0: a
 
 log on directory
 
   $ hg log dir
   changeset:   4:7e4639b4691b
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:05 1970 +0000
   summary:     e
   
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   summary:     c
   
   $ hg log somethingthatdoesntexist dir
   changeset:   4:7e4639b4691b
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:05 1970 +0000
   summary:     e
   
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   summary:     c
   
 
 -f, non-existent directory
 
   $ hg log -f dir
   abort: cannot follow file not in parent revision: "dir"
   [255]
 
 -f, directory
 
   $ hg up -q 3
   $ hg log -f dir
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   summary:     c
   
 -f, directory with --patch
 
   $ hg log -f dir -p
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   summary:     c
   
   diff -r d89b0a12d229 -r f8954cd4dc1f dir/b
   --- /dev/null* (glob)
   +++ b/dir/b* (glob)
   @@ -0,0 +1,1 @@
   +a
   
 
 -f, pattern
 
   $ hg log -f -I 'dir**' -p
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   summary:     c
   
   diff -r d89b0a12d229 -r f8954cd4dc1f dir/b
   --- /dev/null* (glob)
   +++ b/dir/b* (glob)
   @@ -0,0 +1,1 @@
   +a
   
   $ hg up -q 4
 
 -f, a wrong style
 
   $ hg log -f -l1 --style something
   abort: style 'something' not found
   (available styles: bisect, changelog, compact, default, phases, status, xml)
   [255]
 
 -f, phases style
 
 
   $ hg log -f -l1 --style phases
   changeset:   4:7e4639b4691b
   tag:         tip
   phase:       draft
   user:        test
   date:        Thu Jan 01 00:00:05 1970 +0000
   summary:     e
   
 
   $ hg log -f -l1 --style phases -q
   4:7e4639b4691b
 
 -f, but no args
 
   $ hg log -f
   changeset:   4:7e4639b4691b
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:05 1970 +0000
   summary:     e
   
   changeset:   3:2ca5ba701980
   user:        test
   date:        Thu Jan 01 00:00:04 1970 +0000
   summary:     d
   
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   summary:     c
   
   changeset:   1:d89b0a12d229
   user:        test
   date:        Thu Jan 01 00:00:02 1970 +0000
   summary:     b
   
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     a
   
 
 one rename
 
   $ hg up -q 2
   $ hg log -vf a
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   files:       a f
   description:
   a
   
   
 
 many renames
 
   $ hg up -q tip
   $ hg log -vf e
   changeset:   4:7e4639b4691b
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:05 1970 +0000
   files:       dir/b e
   description:
   e
   
   
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   files:       b dir/b f g
   description:
   c
   
   
   changeset:   1:d89b0a12d229
   user:        test
   date:        Thu Jan 01 00:00:02 1970 +0000
   files:       b g
   description:
   b
   
   
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   files:       a f
   description:
   a
   
   
 
 
 log -pf dir/b
 
   $ hg up -q 3
   $ hg log -pf dir/b
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   summary:     c
   
   diff -r d89b0a12d229 -r f8954cd4dc1f dir/b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/dir/b	Thu Jan 01 00:00:03 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   
   changeset:   1:d89b0a12d229
   user:        test
   date:        Thu Jan 01 00:00:02 1970 +0000
   summary:     b
   
   diff -r 9161b9aeaf16 -r d89b0a12d229 b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/b	Thu Jan 01 00:00:02 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     a
   
   diff -r 000000000000 -r 9161b9aeaf16 a
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:01 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   
 
 log -pf b inside dir
 
   $ hg --cwd=dir log -pf b
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   summary:     c
   
   diff -r d89b0a12d229 -r f8954cd4dc1f dir/b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/dir/b	Thu Jan 01 00:00:03 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   
   changeset:   1:d89b0a12d229
   user:        test
   date:        Thu Jan 01 00:00:02 1970 +0000
   summary:     b
   
   diff -r 9161b9aeaf16 -r d89b0a12d229 b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/b	Thu Jan 01 00:00:02 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     a
   
   diff -r 000000000000 -r 9161b9aeaf16 a
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:01 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   
 
 log -pf, but no args
 
   $ hg log -pf
   changeset:   3:2ca5ba701980
   user:        test
   date:        Thu Jan 01 00:00:04 1970 +0000
   summary:     d
   
   diff -r f8954cd4dc1f -r 2ca5ba701980 a
   --- a/a	Thu Jan 01 00:00:03 1970 +0000
   +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
   @@ -1,1 +0,0 @@
   -a
   diff -r f8954cd4dc1f -r 2ca5ba701980 b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/b	Thu Jan 01 00:00:04 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   diff -r f8954cd4dc1f -r 2ca5ba701980 d
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/d	Thu Jan 01 00:00:04 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   diff -r f8954cd4dc1f -r 2ca5ba701980 g
   --- a/g	Thu Jan 01 00:00:03 1970 +0000
   +++ b/g	Thu Jan 01 00:00:04 1970 +0000
   @@ -1,2 +1,2 @@
    f
   -g
   +f
   
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   summary:     c
   
   diff -r d89b0a12d229 -r f8954cd4dc1f b
   --- a/b	Thu Jan 01 00:00:02 1970 +0000
   +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
   @@ -1,1 +0,0 @@
   -a
   diff -r d89b0a12d229 -r f8954cd4dc1f dir/b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/dir/b	Thu Jan 01 00:00:03 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   diff -r d89b0a12d229 -r f8954cd4dc1f f
   --- a/f	Thu Jan 01 00:00:02 1970 +0000
   +++ b/f	Thu Jan 01 00:00:03 1970 +0000
   @@ -1,1 +1,2 @@
    f
   +f
   diff -r d89b0a12d229 -r f8954cd4dc1f g
   --- a/g	Thu Jan 01 00:00:02 1970 +0000
   +++ b/g	Thu Jan 01 00:00:03 1970 +0000
   @@ -1,1 +1,2 @@
    f
   +g
   
   changeset:   1:d89b0a12d229
   user:        test
   date:        Thu Jan 01 00:00:02 1970 +0000
   summary:     b
   
   diff -r 9161b9aeaf16 -r d89b0a12d229 b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/b	Thu Jan 01 00:00:02 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   diff -r 9161b9aeaf16 -r d89b0a12d229 g
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/g	Thu Jan 01 00:00:02 1970 +0000
   @@ -0,0 +1,1 @@
   +f
   
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     a
   
   diff -r 000000000000 -r 9161b9aeaf16 a
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:01 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   diff -r 000000000000 -r 9161b9aeaf16 f
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/f	Thu Jan 01 00:00:01 1970 +0000
   @@ -0,0 +1,1 @@
   +f
   
 
 log -vf dir/b
 
   $ hg log -vf dir/b
   changeset:   2:f8954cd4dc1f
   user:        test
   date:        Thu Jan 01 00:00:03 1970 +0000
   files:       b dir/b f g
   description:
   c
   
   
   changeset:   1:d89b0a12d229
   user:        test
   date:        Thu Jan 01 00:00:02 1970 +0000
   files:       b g
   description:
   b
   
   
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   files:       a f
   description:
   a
   
   
 
 
 -f and multiple filelog heads
 
   $ hg up -q 2
   $ hg log -f g --template '{rev}\n'
   2
   1
   0
   $ hg up -q tip
   $ hg log -f g --template '{rev}\n'
   3
   2
   0
 
 
 log copies with --copies
 
   $ hg log -vC --template '{rev} {file_copies}\n'
   4 e (dir/b)
   3 b (a)g (f)
   2 dir/b (b)
   1 b (a)g (f)
   0 
 
 log copies switch without --copies, with old filecopy template
 
   $ hg log -v --template '{rev} {file_copies_switch%filecopy}\n'
   4 
   3 
   2 
   1 
   0 
 
 log copies switch with --copies
 
   $ hg log -vC --template '{rev} {file_copies_switch}\n'
   4 e (dir/b)
   3 b (a)g (f)
   2 dir/b (b)
   1 b (a)g (f)
   0 
 
 
 log copies with hardcoded style and with --style=default
 
   $ hg log -vC -r4
   changeset:   4:7e4639b4691b
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:05 1970 +0000
   files:       dir/b e
   copies:      e (dir/b)
   description:
   e
   
   
   $ hg log -vC -r4 --style=default
   changeset:   4:7e4639b4691b
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:05 1970 +0000
   files:       dir/b e
   copies:      e (dir/b)
   description:
   e
   
   
   $ hg log -vC -r4 -Tjson
   [
    {
     "rev": 4,
     "node": "7e4639b4691b9f84b81036a8d4fb218ce3c5e3a3",
     "branch": "default",
     "phase": "draft",
     "user": "test",
     "date": [5, 0],
     "desc": "e",
     "bookmarks": [],
     "tags": ["tip"],
     "parents": ["2ca5ba7019804f1f597249caddf22a64d34df0ba"],
     "files": ["dir/b", "e"],
     "copies": {"e": "dir/b"}
    }
   ]
 
 log copies, non-linear manifest
 
   $ hg up -C 3
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ hg mv dir/b e
   $ echo foo > foo
   $ hg ci -Ame2 -d '6 0'
   adding foo
   created new head
   $ hg log -v --template '{rev} {file_copies}\n' -r 5
   5 e (dir/b)
 
 
 log copies, execute bit set
 
 #if execbit
   $ chmod +x e
   $ hg ci -me3 -d '7 0'
   $ hg log -v --template '{rev} {file_copies}\n' -r 6
   6 
 #endif
 
 
 log -p d
 
   $ hg log -pv d
   changeset:   3:2ca5ba701980
   user:        test
   date:        Thu Jan 01 00:00:04 1970 +0000
   files:       a b d g
   description:
   d
   
   
   diff -r f8954cd4dc1f -r 2ca5ba701980 d
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/d	Thu Jan 01 00:00:04 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   
 
 
 log --removed file
 
   $ hg log --removed -v a
   changeset:   3:2ca5ba701980
   user:        test
   date:        Thu Jan 01 00:00:04 1970 +0000
   files:       a b d g
   description:
   d
   
   
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   files:       a f
   description:
   a
   
   
 
 log --removed revrange file
 
   $ hg log --removed -v -r0:2 a
   changeset:   0:9161b9aeaf16
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   files:       a f
   description:
   a
   
   
   $ cd ..
 
 log --follow tests
 
   $ hg init follow
   $ cd follow
 
   $ echo base > base
   $ hg ci -Ambase -d '1 0'
   adding base
 
   $ echo r1 >> base
   $ hg ci -Amr1 -d '1 0'
   $ echo r2 >> base
   $ hg ci -Amr2 -d '1 0'
 
   $ hg up -C 1
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo b1 > b1
   $ hg ci -Amb1 -d '1 0'
   adding b1
   created new head
 
 
 log -f
 
   $ hg log -f
   changeset:   3:e62f78d544b4
   tag:         tip
   parent:      1:3d5bf5654eda
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b1
   
   changeset:   1:3d5bf5654eda
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     r1
   
   changeset:   0:67e992f2c4f3
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     base
   
 
 
 log -f -r '1 + 4'
 
   $ hg up -C 0
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ echo b2 > b2
   $ hg ci -Amb2 -d '1 0'
   adding b2
   created new head
   $ hg log -f -r '1 + 4'
   changeset:   4:ddb82e70d1a1
   tag:         tip
   parent:      0:67e992f2c4f3
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b2
   
   changeset:   1:3d5bf5654eda
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     r1
   
   changeset:   0:67e992f2c4f3
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     base
   
 log -f -r null
 
   $ hg log -f -r null
   changeset:   -1:000000000000
   user:        
   date:        Thu Jan 01 00:00:00 1970 +0000
   
   $ hg log -f -r null -G
   o  changeset:   -1:000000000000
      user:
      date:        Thu Jan 01 00:00:00 1970 +0000
   
 
 
 log -f with null parent
 
   $ hg up -C null
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   $ hg log -f
 
 
 log -r .  with two parents
 
   $ hg up -C 3
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg merge tip
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg log -r .
   changeset:   3:e62f78d544b4
   parent:      1:3d5bf5654eda
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b1
   
 
 
 log -r .  with one parent
 
   $ hg ci -mm12 -d '1 0'
   $ hg log -r .
   changeset:   5:302e9dd6890d
   tag:         tip
   parent:      3:e62f78d544b4
   parent:      4:ddb82e70d1a1
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     m12
   
 
   $ echo postm >> b1
   $ hg ci -Amb1.1 -d'1 0'
 
 
 log --follow-first
 
   $ hg log --follow-first
   changeset:   6:2404bbcab562
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b1.1
   
   changeset:   5:302e9dd6890d
   parent:      3:e62f78d544b4
   parent:      4:ddb82e70d1a1
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     m12
   
   changeset:   3:e62f78d544b4
   parent:      1:3d5bf5654eda
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b1
   
   changeset:   1:3d5bf5654eda
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     r1
   
   changeset:   0:67e992f2c4f3
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     base
   
 
 
 log -P 2
 
   $ hg log -P 2
   changeset:   6:2404bbcab562
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b1.1
   
   changeset:   5:302e9dd6890d
   parent:      3:e62f78d544b4
   parent:      4:ddb82e70d1a1
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     m12
   
   changeset:   4:ddb82e70d1a1
   parent:      0:67e992f2c4f3
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b2
   
   changeset:   3:e62f78d544b4
   parent:      1:3d5bf5654eda
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b1
   
 
 
 log -r tip -p --git
 
   $ hg log -r tip -p --git
   changeset:   6:2404bbcab562
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b1.1
   
   diff --git a/b1 b/b1
   --- a/b1
   +++ b/b1
   @@ -1,1 +1,2 @@
    b1
   +postm
   
 
 
 log -r ""
 
   $ hg log -r ''
   hg: parse error: empty query
   [255]
 
 log -r <some unknown node id>
 
   $ hg log -r 1000000000000000000000000000000000000000
   abort: unknown revision '1000000000000000000000000000000000000000'!
   [255]
 
 log -k r1
 
   $ hg log -k r1
   changeset:   1:3d5bf5654eda
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     r1
   
 log -p -l2 --color=always
 
   $ hg --config extensions.color= --config color.mode=ansi \
   >  log -p -l2 --color=always
   \x1b[0;33mchangeset:   6:2404bbcab562\x1b[0m (esc)
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b1.1
   
   \x1b[0;1mdiff -r 302e9dd6890d -r 2404bbcab562 b1\x1b[0m (esc)
   \x1b[0;31;1m--- a/b1	Thu Jan 01 00:00:01 1970 +0000\x1b[0m (esc)
   \x1b[0;32;1m+++ b/b1	Thu Jan 01 00:00:01 1970 +0000\x1b[0m (esc)
   \x1b[0;35m@@ -1,1 +1,2 @@\x1b[0m (esc)
    b1
   \x1b[0;32m+postm\x1b[0m (esc)
   
   \x1b[0;33mchangeset:   5:302e9dd6890d\x1b[0m (esc)
   parent:      3:e62f78d544b4
   parent:      4:ddb82e70d1a1
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     m12
   
   \x1b[0;1mdiff -r e62f78d544b4 -r 302e9dd6890d b2\x1b[0m (esc)
   \x1b[0;31;1m--- /dev/null	Thu Jan 01 00:00:00 1970 +0000\x1b[0m (esc)
   \x1b[0;32;1m+++ b/b2	Thu Jan 01 00:00:01 1970 +0000\x1b[0m (esc)
   \x1b[0;35m@@ -0,0 +1,1 @@\x1b[0m (esc)
   \x1b[0;32m+b2\x1b[0m (esc)
   
 
 
 log -r tip --stat
 
   $ hg log -r tip --stat
   changeset:   6:2404bbcab562
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:01 1970 +0000
   summary:     b1.1
   
    b1 |  1 +
    1 files changed, 1 insertions(+), 0 deletions(-)
   
 
   $ cd ..
 
 
 User
 
   $ hg init usertest
   $ cd usertest
 
   $ echo a > a
   $ hg ci -A -m "a" -u "User One <[e-mail]>"
   adding a
   $ echo b > b
   $ hg ci -A -m "b" -u "User Two <[e-mail]>"
   adding b
 
   $ hg log -u "User One <[e-mail]>"
   changeset:   0:29a4c94f1924
   user:        User One <[e-mail]>
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
   $ hg log -u "user1" -u "user2"
   changeset:   1:e834b5e69c0e
   tag:         tip
   user:        User Two <[e-mail]>
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     b
   
   changeset:   0:29a4c94f1924
   user:        User One <[e-mail]>
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
   $ hg log -u "user3"
 
   $ cd ..
 
   $ hg init branches
   $ cd branches
 
   $ echo a > a
   $ hg ci -A -m "commit on default"
   adding a
   $ hg branch test
   marked working directory as branch test
   (branches are permanent and global, did you want a bookmark?)
   $ echo b > b
   $ hg ci -A -m "commit on test"
   adding b
 
   $ hg up default
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ echo c > c
   $ hg ci -A -m "commit on default"
   adding c
   $ hg up test
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ echo c > c
   $ hg ci -A -m "commit on test"
   adding c
 
 
 log -b default
 
   $ hg log -b default
   changeset:   2:c3a4f03cc9a7
   parent:      0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
   changeset:   0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
 
 
 log -b test
 
   $ hg log -b test
   changeset:   3:f5d8de11c2e2
   branch:      test
   tag:         tip
   parent:      1:d32277701ccb
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
   changeset:   1:d32277701ccb
   branch:      test
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
 
 
 log -b dummy
 
   $ hg log -b dummy
   abort: unknown revision 'dummy'!
   [255]
 
 
 log -b .
 
   $ hg log -b .
   changeset:   3:f5d8de11c2e2
   branch:      test
   tag:         tip
   parent:      1:d32277701ccb
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
   changeset:   1:d32277701ccb
   branch:      test
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
 
 
 log -b default -b test
 
   $ hg log -b default -b test
   changeset:   3:f5d8de11c2e2
   branch:      test
   tag:         tip
   parent:      1:d32277701ccb
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
   changeset:   2:c3a4f03cc9a7
   parent:      0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
   changeset:   1:d32277701ccb
   branch:      test
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
   changeset:   0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
 
 
 log -b default -b .
 
   $ hg log -b default -b .
   changeset:   3:f5d8de11c2e2
   branch:      test
   tag:         tip
   parent:      1:d32277701ccb
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
   changeset:   2:c3a4f03cc9a7
   parent:      0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
   changeset:   1:d32277701ccb
   branch:      test
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
   changeset:   0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
 
 
 log -b . -b test
 
   $ hg log -b . -b test
   changeset:   3:f5d8de11c2e2
   branch:      test
   tag:         tip
   parent:      1:d32277701ccb
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
   changeset:   1:d32277701ccb
   branch:      test
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
 
 
 log -b 2
 
   $ hg log -b 2
   changeset:   2:c3a4f03cc9a7
   parent:      0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
   changeset:   0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
 #if gettext
 
 Test that all log names are translated (e.g. branches, bookmarks, tags):
 
   $ hg bookmark babar -r tip
 
   $ HGENCODING=UTF-8 LANGUAGE=de hg log -r tip
   \xc3\x84nderung:        3:f5d8de11c2e2 (esc)
   Zweig:           test
   Lesezeichen:     babar
   Marke:           tip
   Vorg\xc3\xa4nger:       1:d32277701ccb (esc)
   Nutzer:          test
   Datum:           Thu Jan 01 00:00:00 1970 +0000
   Zusammenfassung: commit on test
   
   $ hg bookmark -d babar
 
 #endif
 
 log -p --cwd dir (in subdir)
 
   $ mkdir dir
   $ hg log -p --cwd dir
   changeset:   3:f5d8de11c2e2
   branch:      test
   tag:         tip
   parent:      1:d32277701ccb
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
   diff -r d32277701ccb -r f5d8de11c2e2 c
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/c	Thu Jan 01 00:00:00 1970 +0000
   @@ -0,0 +1,1 @@
   +c
   
   changeset:   2:c3a4f03cc9a7
   parent:      0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
   diff -r 24427303d56f -r c3a4f03cc9a7 c
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/c	Thu Jan 01 00:00:00 1970 +0000
   @@ -0,0 +1,1 @@
   +c
   
   changeset:   1:d32277701ccb
   branch:      test
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on test
   
   diff -r 24427303d56f -r d32277701ccb b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/b	Thu Jan 01 00:00:00 1970 +0000
   @@ -0,0 +1,1 @@
   +b
   
   changeset:   0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
   diff -r 000000000000 -r 24427303d56f a
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:00 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   
 
 
 log -p -R repo
 
   $ cd dir
   $ hg log -p -R .. ../a
   changeset:   0:24427303d56f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     commit on default
   
   diff -r 000000000000 -r 24427303d56f a
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:00 1970 +0000
   @@ -0,0 +1,1 @@
   +a
   
 
   $ cd ../..
 
   $ hg init follow2
   $ cd follow2
 
 # Build the following history:
 # tip - o - x - o - x - x
 #    \                 /
 #     o - o - o - x
 #      \     /
 #         o
 #
 # Where "o" is a revision containing "foo" and
 # "x" is a revision without "foo"
 
   $ touch init
   $ hg ci -A -m "init, unrelated"
   adding init
   $ echo 'foo' > init
   $ hg ci -m "change, unrelated"
   $ echo 'foo' > foo
   $ hg ci -A -m "add unrelated old foo"
   adding foo
   $ hg rm foo
   $ hg ci -m "delete foo, unrelated"
   $ echo 'related' > foo
   $ hg ci -A -m "add foo, related"
   adding foo
 
   $ hg up 0
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ touch branch
   $ hg ci -A -m "first branch, unrelated"
   adding branch
   created new head
   $ touch foo
   $ hg ci -A -m "create foo, related"
   adding foo
   $ echo 'change' > foo
   $ hg ci -m "change foo, related"
 
   $ hg up 6
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo 'change foo in branch' > foo
   $ hg ci -m "change foo in branch, related"
   created new head
   $ hg merge 7
   merging foo
   warning: conflicts during merge.
   merging foo incomplete! (edit conflicts, then use 'hg resolve --mark')
   0 files updated, 0 files merged, 0 files removed, 1 files unresolved
   use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
   [1]
   $ echo 'merge 1' > foo
   $ hg resolve -m foo
   (no more unresolved files)
   $ hg ci -m "First merge, related"
 
   $ hg merge 4
   merging foo
   warning: conflicts during merge.
   merging foo incomplete! (edit conflicts, then use 'hg resolve --mark')
   1 files updated, 0 files merged, 0 files removed, 1 files unresolved
   use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
   [1]
   $ echo 'merge 2' > foo
   $ hg resolve -m foo
   (no more unresolved files)
   $ hg ci -m "Last merge, related"
 
   $ hg log --graph
   @    changeset:   10:4dae8563d2c5
   |\   tag:         tip
   | |  parent:      9:7b35701b003e
   | |  parent:      4:88176d361b69
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     Last merge, related
   | |
   | o    changeset:   9:7b35701b003e
   | |\   parent:      8:e5416ad8a855
   | | |  parent:      7:87fe3144dcfa
   | | |  user:        test
   | | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | | |  summary:     First merge, related
   | | |
   | | o  changeset:   8:e5416ad8a855
   | | |  parent:      6:dc6c325fe5ee
   | | |  user:        test
   | | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | | |  summary:     change foo in branch, related
   | | |
   | o |  changeset:   7:87fe3144dcfa
   | |/   user:        test
   | |    date:        Thu Jan 01 00:00:00 1970 +0000
   | |    summary:     change foo, related
   | |
   | o  changeset:   6:dc6c325fe5ee
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     create foo, related
   | |
   | o  changeset:   5:73db34516eb9
   | |  parent:      0:e87515fd044a
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     first branch, unrelated
   | |
   o |  changeset:   4:88176d361b69
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     add foo, related
   | |
   o |  changeset:   3:dd78ae4afb56
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     delete foo, unrelated
   | |
   o |  changeset:   2:c4c64aedf0f7
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
   | |  summary:     add unrelated old foo
   | |
   o |  changeset:   1:e5faa7440653
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     change, unrelated
   |
   o  changeset:   0:e87515fd044a
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     init, unrelated
   
 
   $ hg --traceback log -f foo
   changeset:   10:4dae8563d2c5
   tag:         tip
   parent:      9:7b35701b003e
   parent:      4:88176d361b69
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     Last merge, related
   
   changeset:   9:7b35701b003e
   parent:      8:e5416ad8a855
   parent:      7:87fe3144dcfa
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     First merge, related
   
   changeset:   8:e5416ad8a855
   parent:      6:dc6c325fe5ee
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     change foo in branch, related
   
   changeset:   7:87fe3144dcfa
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     change foo, related
   
   changeset:   6:dc6c325fe5ee
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     create foo, related
   
   changeset:   4:88176d361b69
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add foo, related
   
 
 Also check when maxrev < lastrevfilelog
 
   $ hg --traceback log -f -r4 foo
   changeset:   4:88176d361b69
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add foo, related
   
   changeset:   2:c4c64aedf0f7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add unrelated old foo
   
   $ cd ..
 
 Issue2383: hg log showing _less_ differences than hg diff
 
   $ hg init issue2383
   $ cd issue2383
 
 Create a test repo:
 
   $ echo a > a
   $ hg ci -Am0
   adding a
   $ echo b > b
   $ hg ci -Am1
   adding b
   $ hg co 0
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ echo b > a
   $ hg ci -m2
   created new head
 
 Merge:
 
   $ hg merge
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
 
 Make sure there's a file listed in the merge to trigger the bug:
 
   $ echo c > a
   $ hg ci -m3
 
 Two files shown here in diff:
 
   $ hg diff --rev 2:3
   diff -r b09be438c43a -r 8e07aafe1edc a
   --- a/a	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:00 1970 +0000
   @@ -1,1 +1,1 @@
   -b
   +c
   diff -r b09be438c43a -r 8e07aafe1edc b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/b	Thu Jan 01 00:00:00 1970 +0000
   @@ -0,0 +1,1 @@
   +b
 
 Diff here should be the same:
 
   $ hg log -vpr 3
   changeset:   3:8e07aafe1edc
   tag:         tip
   parent:      2:b09be438c43a
   parent:      1:925d80f479bb
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   files:       a
   description:
   3
   
   
   diff -r b09be438c43a -r 8e07aafe1edc a
   --- a/a	Thu Jan 01 00:00:00 1970 +0000
   +++ b/a	Thu Jan 01 00:00:00 1970 +0000
   @@ -1,1 +1,1 @@
   -b
   +c
   diff -r b09be438c43a -r 8e07aafe1edc b
   --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
   +++ b/b	Thu Jan 01 00:00:00 1970 +0000
   @@ -0,0 +1,1 @@
   +b
   
   $ cd ..
 
 'hg log -r rev fn' when last(filelog(fn)) != rev
 
   $ hg init simplelog
   $ cd simplelog
   $ echo f > a
   $ hg ci -Am'a' -d '0 0'
   adding a
   $ echo f >> a
   $ hg ci -Am'a bis' -d '1 0'
 
   $ hg log -r0 a
   changeset:   0:9f758d63dcde
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
 enable obsolete to test hidden feature
 
   $ cat >> $HGRCPATH << EOF
   > [experimental]
   > evolution=createmarkers
   > EOF
 
   $ hg log --template='{rev}:{node}\n'
   1:a765632148dc55d38c35c4f247c618701886cb2f
   0:9f758d63dcde62d547ebfb08e1e7ee96535f2b05
   $ hg debugobsolete a765632148dc55d38c35c4f247c618701886cb2f
   $ hg up null -q
   $ hg log --template='{rev}:{node}\n'
   0:9f758d63dcde62d547ebfb08e1e7ee96535f2b05
   $ hg log --template='{rev}:{node}\n' --hidden
   1:a765632148dc55d38c35c4f247c618701886cb2f
   0:9f758d63dcde62d547ebfb08e1e7ee96535f2b05
   $ hg log -r a
   abort: hidden revision 'a'!
   (use --hidden to access hidden revisions)
   [255]
 
 test that parent prevent a changeset to be hidden
 
   $ hg up 1 -q --hidden
   $ hg log --template='{rev}:{node}\n'
   1:a765632148dc55d38c35c4f247c618701886cb2f
   0:9f758d63dcde62d547ebfb08e1e7ee96535f2b05
 
 test that second parent prevent a changeset to be hidden too
 
   $ hg debugsetparents 0 1 # nothing suitable to merge here
   $ hg log --template='{rev}:{node}\n'
   1:a765632148dc55d38c35c4f247c618701886cb2f
   0:9f758d63dcde62d547ebfb08e1e7ee96535f2b05
   $ hg debugsetparents 1
   $ hg up -q null
 
 bookmarks prevent a changeset being hidden
 
   $ hg bookmark --hidden -r 1 X
   $ hg log --template '{rev}:{node}\n'
   1:a765632148dc55d38c35c4f247c618701886cb2f
   0:9f758d63dcde62d547ebfb08e1e7ee96535f2b05
   $ hg bookmark -d X
 
 divergent bookmarks are not hidden
 
   $ hg bookmark --hidden -r 1 X@foo
   $ hg log --template '{rev}:{node}\n'
   1:a765632148dc55d38c35c4f247c618701886cb2f
   0:9f758d63dcde62d547ebfb08e1e7ee96535f2b05
 
 clear extensions configuration
   $ echo '[extensions]' >> $HGRCPATH
   $ echo "obs=!" >> $HGRCPATH
   $ cd ..
 
 test -u/-k for problematic encoding
 # unicode: cp932:
 # u30A2    0x83 0x41(= 'A')
 # u30C2    0x83 0x61(= 'a')
 
   $ hg init problematicencoding
   $ cd problematicencoding
 
   $ python > setup.sh <<EOF
   > print u'''
   > echo a > text
   > hg add text
   > hg --encoding utf-8 commit -u '\u30A2' -m none
   > echo b > text
   > hg --encoding utf-8 commit -u '\u30C2' -m none
   > echo c > text
   > hg --encoding utf-8 commit -u none -m '\u30A2'
   > echo d > text
   > hg --encoding utf-8 commit -u none -m '\u30C2'
   > '''.encode('utf-8')
   > EOF
   $ sh < setup.sh
 
 test in problematic encoding
   $ python > test.sh <<EOF
   > print u'''
   > hg --encoding cp932 log --template '{rev}\\n' -u '\u30A2'
   > echo ====
   > hg --encoding cp932 log --template '{rev}\\n' -u '\u30C2'
   > echo ====
   > hg --encoding cp932 log --template '{rev}\\n' -k '\u30A2'
   > echo ====
   > hg --encoding cp932 log --template '{rev}\\n' -k '\u30C2'
   > '''.encode('cp932')
   > EOF
   $ sh < test.sh
   0
   ====
   1
   ====
   2
   0
   ====
   3
   1
 
   $ cd ..
 
 test hg log on non-existent files and on directories
   $ hg init issue1340
   $ cd issue1340
   $ mkdir d1; mkdir D2; mkdir D3.i; mkdir d4.hg; mkdir d5.d; mkdir .d6
   $ echo 1 > d1/f1
   $ echo 1 > D2/f1
   $ echo 1 > D3.i/f1
   $ echo 1 > d4.hg/f1
   $ echo 1 > d5.d/f1
   $ echo 1 > .d6/f1
   $ hg -q add .
   $ hg commit -m "a bunch of weird directories"
   $ hg log -l1 d1/f1 | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 f1
   $ hg log -l1 . | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 ./ | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 d1 | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 D2 | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 D2/f1 | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 D3.i | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 D3.i/f1 | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 d4.hg | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 d4.hg/f1 | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 d5.d | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 d5.d/f1 | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 .d6 | grep changeset
   changeset:   0:65624cd9070a
   $ hg log -l1 .d6/f1 | grep changeset
   changeset:   0:65624cd9070a
 
 issue3772: hg log -r :null showing revision 0 as well
 
   $ hg log -r :null
   changeset:   0:65624cd9070a
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a bunch of weird directories
   
   changeset:   -1:000000000000
   user:        
   date:        Thu Jan 01 00:00:00 1970 +0000
   
   $ hg log -r null:null
   changeset:   -1:000000000000
   user:        
   date:        Thu Jan 01 00:00:00 1970 +0000
   
 working-directory revision requires special treatment
 
   $ hg log -r 'wdir()'
   changeset:   0:65624cd9070a+
   user:        test
   date:        [A-Za-z0-9:+ ]+ (re)
   
   $ hg log -r 'wdir()' -q
   0:65624cd9070a+
 
   $ hg log -r 'wdir()' --debug
   changeset:   0:65624cd9070a035fa7191a54f2b8af39f16b0c08+
   phase:       draft
   parent:      0:65624cd9070a035fa7191a54f2b8af39f16b0c08
   parent:      -1:0000000000000000000000000000000000000000
   user:        test
   date:        [A-Za-z0-9:+ ]+ (re)
   extra:       branch=default
   
   $ hg log -r 'wdir()' -Tjson
   [
    {
     "rev": null,
     "node": null,
     "branch": "default",
     "phase": "draft",
     "user": "test",
     "date": [*, 0], (glob)
     "desc": "",
     "bookmarks": [],
-    "tags": ["tip"],
+    "tags": [],
     "parents": ["65624cd9070a035fa7191a54f2b8af39f16b0c08"]
    }
   ]
 
   $ hg log -r 'wdir()' -Tjson -q
   [
    {
     "rev": null,
     "node": null
    }
   ]
 
   $ hg log -r 'wdir()' -Tjson --debug
   [
    {
     "rev": null,
     "node": null,
     "branch": "default",
     "phase": "draft",
     "user": "test",
     "date": [*, 0], (glob)
     "desc": "",
     "bookmarks": [],
-    "tags": ["tip"],
+    "tags": [],
     "parents": ["65624cd9070a035fa7191a54f2b8af39f16b0c08"],
     "manifest": null,
     "extra": {"branch": "default"},
     "modified": [],
     "added": [],
     "removed": []
    }
   ]
 
 Check that adding an arbitrary name shows up in log automatically
 
   $ cat > ../names.py <<EOF
   > """A small extension to test adding arbitrary names to a repo"""
   > from mercurial.namespaces import namespace
   > 
   > def reposetup(ui, repo):
   >     foo = {'foo': repo[0].node()}
   >     names = lambda r: foo.keys()
   >     namemap = lambda r, name: foo.get(name)
   >     nodemap = lambda r, node: [name for name, n in foo.iteritems()
   >                                if n == node]
   >     ns = namespace("bars", templatename="bar", logname="barlog",
   >                    colorname="barcolor", listnames=names, namemap=namemap,
   >                    nodemap=nodemap)
   > 
   >     repo.names.addnamespace(ns)
   > EOF
 
   $ hg --config extensions.names=../names.py log -r 0
   changeset:   0:65624cd9070a
   tag:         tip
   barlog:      foo
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a bunch of weird directories
   
   $ hg --config extensions.names=../names.py \
   >  --config extensions.color= --config color.log.barcolor=red \
   >  --color=always log -r 0
   \x1b[0;33mchangeset:   0:65624cd9070a\x1b[0m (esc)
   tag:         tip
   \x1b[0;31mbarlog:      foo\x1b[0m (esc)
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a bunch of weird directories
   
   $ hg --config extensions.names=../names.py log -r 0 --template '{bars}\n'
   foo
 
   $ cd ..
 
 hg log -f dir across branches
 
   $ hg init acrossbranches
   $ cd acrossbranches
   $ mkdir d
   $ echo a > d/a && hg ci -Aqm a
   $ echo b > d/a && hg ci -Aqm b
   $ hg up -q 0
   $ echo b > d/a && hg ci -Aqm c
   $ hg log -f d -T '{desc}' -G
   @  c
   |
   o  a
   
 Ensure that largefiles doesn't interfere with following a normal file
   $ hg  --config extensions.largefiles= log -f d -T '{desc}' -G
   @  c
   |
   o  a
   
   $ hg log -f d/a -T '{desc}' -G
   @  c
   |
   o  a
   
   $ cd ..
 
 hg log -f with linkrev pointing to another branch
 -------------------------------------------------
 
 create history with a filerev whose linkrev points to another branch
 
   $ hg init branchedlinkrev
   $ cd branchedlinkrev
   $ echo 1 > a
   $ hg commit -Am 'content1'
   adding a
   $ echo 2 > a
   $ hg commit -m 'content2'
   $ hg up --rev 'desc(content1)'
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo unrelated > unrelated
   $ hg commit -Am 'unrelated'
   adding unrelated
   created new head
   $ hg graft -r 'desc(content2)'
   grafting 1:2294ae80ad84 "content2"
   $ echo 3 > a
   $ hg commit -m 'content3'
   $ hg log -G
   @  changeset:   4:50b9b36e9c5d
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content3
   |
   o  changeset:   3:15b2327059e5
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content2
   |
   o  changeset:   2:2029acd1168c
   |  parent:      0:ae0a3c9f9e95
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     unrelated
   |
   | o  changeset:   1:2294ae80ad84
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     content2
   |
   o  changeset:   0:ae0a3c9f9e95
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     content1
   
 
 log -f on the file should list the graft result.
 
   $ hg log -Gf a
   @  changeset:   4:50b9b36e9c5d
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content3
   |
   o  changeset:   3:15b2327059e5
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content2
   |
   o  changeset:   0:ae0a3c9f9e95
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     content1
   
 
 plain log lists the original version
 (XXX we should probably list both)
 
   $ hg log -G a
   @  changeset:   4:50b9b36e9c5d
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content3
   |
   | o  changeset:   1:2294ae80ad84
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     content2
   |
   o  changeset:   0:ae0a3c9f9e95
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     content1
   
 
 hg log -f from the grafted changeset
 (The bootstrap should properly take the topology in account)
 
   $ hg up 'desc(content3)^'
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg log -Gf a
   @  changeset:   3:15b2327059e5
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content2
   |
   o  changeset:   0:ae0a3c9f9e95
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     content1
   
 
 Test that we use the first non-hidden changeset in that case.
 
 (hide the changeset)
 
   $ hg log -T '{node}\n' -r 1
   2294ae80ad8447bc78383182eeac50cb049df623
   $ hg debugobsolete 2294ae80ad8447bc78383182eeac50cb049df623
   $ hg log -G
   o  changeset:   4:50b9b36e9c5d
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content3
   |
   @  changeset:   3:15b2327059e5
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content2
   |
   o  changeset:   2:2029acd1168c
   |  parent:      0:ae0a3c9f9e95
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     unrelated
   |
   o  changeset:   0:ae0a3c9f9e95
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     content1
   
 
 Check that log on the file does not drop the file revision.
 
   $ hg log -G a
   o  changeset:   4:50b9b36e9c5d
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content3
   |
   @  changeset:   3:15b2327059e5
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content2
   |
   o  changeset:   0:ae0a3c9f9e95
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     content1
   
 
 Even when a head revision is linkrev-shadowed.
 
   $ hg log -T '{node}\n' -r 4
   50b9b36e9c5df2c6fc6dcefa8ad0da929e84aed2
   $ hg debugobsolete 50b9b36e9c5df2c6fc6dcefa8ad0da929e84aed2
   $ hg log -G a
   @  changeset:   3:15b2327059e5
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     content2
   |
   o  changeset:   0:ae0a3c9f9e95
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     content1
   
 
   $ cd ..
 
 Even when the file revision is missing from some head:
 
   $ hg init issue4490
   $ cd issue4490
   $ echo '[experimental]' >> .hg/hgrc
   $ echo 'evolution=createmarkers' >> .hg/hgrc
   $ echo a > a
   $ hg ci -Am0
   adding a
   $ echo b > b
   $ hg ci -Am1
   adding b
   $ echo B > b
   $ hg ci --amend -m 1
   $ hg up 0
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ echo c > c
   $ hg ci -Am2
   adding c
   created new head
   $ hg up 'head() and not .'
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ hg log -G
   o  changeset:   4:db815d6d32e6
   |  tag:         tip
   |  parent:      0:f7b1eb17ad24
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     2
   |
   | @  changeset:   3:9bc8ce7f9356
   |/   parent:      0:f7b1eb17ad24
   |    user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     1
   |
   o  changeset:   0:f7b1eb17ad24
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     0
   
   $ hg log -f -G b
   @  changeset:   3:9bc8ce7f9356
   |  parent:      0:f7b1eb17ad24
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     1
   |
   $ hg log -G b
   @  changeset:   3:9bc8ce7f9356
   |  parent:      0:f7b1eb17ad24
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     1
   |
   $ cd ..
 
 Check proper report when the manifest changes but not the file issue4499
 ------------------------------------------------------------------------
 
   $ hg init issue4499
   $ cd issue4499
   $ for f in A B C D F E G H I J K L M N O P Q R S T U; do
   >     echo 1 > $f;
   >     hg add $f;
   > done
   $ hg commit -m 'A1B1C1'
   $ echo 2 > A
   $ echo 2 > B
   $ echo 2 > C
   $ hg commit -m 'A2B2C2'
   $ hg up 0
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo 3 > A
   $ echo 2 > B
   $ echo 2 > C
   $ hg commit -m 'A3B2C2'
   created new head
 
   $ hg log -G
   @  changeset:   2:fe5fc3d0eb17
   |  tag:         tip
   |  parent:      0:abf4f0e38563
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     A3B2C2
   |
   | o  changeset:   1:07dcc6b312c0
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     A2B2C2
   |
   o  changeset:   0:abf4f0e38563
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     A1B1C1
   
 
 Log -f on B should reports current changesets
 
   $ hg log -fG B
   @  changeset:   2:fe5fc3d0eb17
   |  tag:         tip
   |  parent:      0:abf4f0e38563
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     A3B2C2
   |
   o  changeset:   0:abf4f0e38563
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     A1B1C1
   
   $ cd ..

tests/test-tag.t

@@ -1,615 +1,621
   $ hg init test
   $ cd test
 
   $ echo a > a
   $ hg add a
   $ hg commit -m "test"
   $ hg history
   changeset:   0:acb14030fe0a
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     test
   
 
   $ hg tag ' '
   abort: tag names cannot consist entirely of whitespace
   [255]
 
 (this tests also that editor is not invoked, if '--edit' is not
 specified)
 
   $ HGEDITOR=cat hg tag "bleah"
   $ hg history
   changeset:   1:d4f0d2909abc
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     Added tag bleah for changeset acb14030fe0a
   
   changeset:   0:acb14030fe0a
   tag:         bleah
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     test
   
 
   $ echo foo >> .hgtags
   $ hg tag "bleah2"
   abort: working copy of .hgtags is changed
   (please commit .hgtags manually)
   [255]
 
   $ hg revert .hgtags
   $ hg tag -r 0 x y z y y z
   abort: tag names must be unique
   [255]
   $ hg tag tap nada dot tip
   abort: the name 'tip' is reserved
   [255]
   $ hg tag .
   abort: the name '.' is reserved
   [255]
   $ hg tag null
   abort: the name 'null' is reserved
   [255]
   $ hg tag "bleah"
   abort: tag 'bleah' already exists (use -f to force)
   [255]
   $ hg tag "blecch" "bleah"
   abort: tag 'bleah' already exists (use -f to force)
   [255]
 
   $ hg tag --remove "blecch"
   abort: tag 'blecch' does not exist
   [255]
   $ hg tag --remove "bleah" "blecch" "blough"
   abort: tag 'blecch' does not exist
   [255]
 
   $ hg tag -r 0 "bleah0"
   $ hg tag -l -r 1 "bleah1"
   $ hg tag gack gawk gorp
   $ hg tag -f gack
   $ hg tag --remove gack gorp
 
   $ hg tag "bleah "
   abort: tag 'bleah' already exists (use -f to force)
   [255]
   $ hg tag " bleah"
   abort: tag 'bleah' already exists (use -f to force)
   [255]
   $ hg tag " bleah"
   abort: tag 'bleah' already exists (use -f to force)
   [255]
   $ hg tag -r 0 "  bleahbleah  "
   $ hg tag -r 0 " bleah bleah "
 
   $ cat .hgtags
   acb14030fe0a21b60322c440ad2d20cf7685a376 bleah
   acb14030fe0a21b60322c440ad2d20cf7685a376 bleah0
   336fccc858a4eb69609a291105009e484a6b6b8d gack
   336fccc858a4eb69609a291105009e484a6b6b8d gawk
   336fccc858a4eb69609a291105009e484a6b6b8d gorp
   336fccc858a4eb69609a291105009e484a6b6b8d gack
   799667b6f2d9b957f73fa644a918c2df22bab58f gack
   799667b6f2d9b957f73fa644a918c2df22bab58f gack
   0000000000000000000000000000000000000000 gack
   336fccc858a4eb69609a291105009e484a6b6b8d gorp
   0000000000000000000000000000000000000000 gorp
   acb14030fe0a21b60322c440ad2d20cf7685a376 bleahbleah
   acb14030fe0a21b60322c440ad2d20cf7685a376 bleah bleah
 
   $ cat .hg/localtags
   d4f0d2909abc9290e2773c08837d70c1794e3f5a bleah1
 
 tagging on a non-head revision
 
   $ hg update 0
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ hg tag -l localblah
   $ hg tag "foobar"
   abort: not at a branch head (use -f to force)
   [255]
   $ hg tag -f "foobar"
   $ cat .hgtags
   acb14030fe0a21b60322c440ad2d20cf7685a376 foobar
   $ cat .hg/localtags
   d4f0d2909abc9290e2773c08837d70c1794e3f5a bleah1
   acb14030fe0a21b60322c440ad2d20cf7685a376 localblah
 
   $ hg tag -l 'xx
   > newline'
   abort: '\n' cannot be used in a name
   [255]
   $ hg tag -l 'xx:xx'
   abort: ':' cannot be used in a name
   [255]
 
 cloning local tags
 
   $ cd ..
   $ hg -R test log -r0:5
   changeset:   0:acb14030fe0a
   tag:         bleah
   tag:         bleah bleah
   tag:         bleah0
   tag:         bleahbleah
   tag:         foobar
   tag:         localblah
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     test
   
   changeset:   1:d4f0d2909abc
   tag:         bleah1
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     Added tag bleah for changeset acb14030fe0a
   
   changeset:   2:336fccc858a4
   tag:         gawk
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     Added tag bleah0 for changeset acb14030fe0a
   
   changeset:   3:799667b6f2d9
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     Added tag gack, gawk, gorp for changeset 336fccc858a4
   
   changeset:   4:154eeb7c0138
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     Added tag gack for changeset 799667b6f2d9
   
   changeset:   5:b4bb47aaff09
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     Removed tag gack, gorp
   
   $ hg clone -q -rbleah1 test test1
   $ hg -R test1 parents --style=compact
   1[tip]   d4f0d2909abc   1970-01-01 00:00 +0000   test
     Added tag bleah for changeset acb14030fe0a
   
   $ hg clone -q -r5 test#bleah1 test2
   $ hg -R test2 parents --style=compact
   5[tip]   b4bb47aaff09   1970-01-01 00:00 +0000   test
     Removed tag gack, gorp
   
   $ hg clone -q -U test#bleah1 test3
   $ hg -R test3 parents --style=compact
 
   $ cd test
 
 Issue601: hg tag doesn't do the right thing if .hgtags or localtags
 doesn't end with EOL
 
   $ python << EOF
   > f = file('.hg/localtags'); last = f.readlines()[-1][:-1]; f.close()
   > f = file('.hg/localtags', 'w'); f.write(last); f.close()
   > EOF
   $ cat .hg/localtags; echo
   acb14030fe0a21b60322c440ad2d20cf7685a376 localblah
   $ hg tag -l localnewline
   $ cat .hg/localtags; echo
   acb14030fe0a21b60322c440ad2d20cf7685a376 localblah
   c2899151f4e76890c602a2597a650a72666681bf localnewline
   
 
   $ python << EOF
   > f = file('.hgtags'); last = f.readlines()[-1][:-1]; f.close()
   > f = file('.hgtags', 'w'); f.write(last); f.close()
   > EOF
   $ hg ci -m'broken manual edit of .hgtags'
   $ cat .hgtags; echo
   acb14030fe0a21b60322c440ad2d20cf7685a376 foobar
   $ hg tag newline
   $ cat .hgtags; echo
   acb14030fe0a21b60322c440ad2d20cf7685a376 foobar
   a0eea09de1eeec777b46f2085260a373b2fbc293 newline
   
 
 tag and branch using same name
 
   $ hg branch tag-and-branch-same-name
   marked working directory as branch tag-and-branch-same-name
   (branches are permanent and global, did you want a bookmark?)
   $ hg ci -m"discouraged"
   $ hg tag tag-and-branch-same-name
   warning: tag tag-and-branch-same-name conflicts with existing branch name
 
 test custom commit messages
 
   $ cat > editor.sh << '__EOF__'
   > echo "==== before editing"
   > cat "$1"
   > echo "===="
   > echo "custom tag message" > "$1"
   > echo "second line" >> "$1"
   > __EOF__
 
 at first, test saving last-message.txt
 
 (test that editor is not invoked before transaction starting)
 
   $ cat > .hg/hgrc << '__EOF__'
   > [hooks]
   > # this failure occurs before editor invocation
   > pretag.test-saving-lastmessage = false
   > __EOF__
   $ rm -f .hg/last-message.txt
   $ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg tag custom-tag -e
   abort: pretag.test-saving-lastmessage hook exited with status 1
   [255]
   $ test -f .hg/last-message.txt
   [1]
 
 (test that editor is invoked and commit message is saved into
 "last-message.txt")
 
   $ cat >> .hg/hgrc << '__EOF__'
   > [hooks]
   > pretag.test-saving-lastmessage =
   > # this failure occurs after editor invocation
   > pretxncommit.unexpectedabort = false
   > __EOF__
 
 (this tests also that editor is invoked, if '--edit' is specified,
 regardless of '--message')
 
   $ rm -f .hg/last-message.txt
   $ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg tag custom-tag -e -m "foo bar"
   ==== before editing
   foo bar
   
   
   HG: Enter commit message.  Lines beginning with 'HG:' are removed.
   HG: Leave message empty to abort commit.
   HG: --
   HG: user: test
   HG: branch 'tag-and-branch-same-name'
   HG: changed .hgtags
   ====
   transaction abort!
   rollback completed
   note: commit message saved in .hg/last-message.txt
   abort: pretxncommit.unexpectedabort hook exited with status 1
   [255]
   $ cat .hg/last-message.txt
   custom tag message
   second line
 
   $ cat >> .hg/hgrc << '__EOF__'
   > [hooks]
   > pretxncommit.unexpectedabort =
   > __EOF__
   $ hg status .hgtags
   M .hgtags
   $ hg revert --no-backup -q .hgtags
 
 then, test custom commit message itself
 
   $ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg tag custom-tag -e
   ==== before editing
   Added tag custom-tag for changeset 75a534207be6
   
   
   HG: Enter commit message.  Lines beginning with 'HG:' are removed.
   HG: Leave message empty to abort commit.
   HG: --
   HG: user: test
   HG: branch 'tag-and-branch-same-name'
   HG: changed .hgtags
   ====
   $ hg log -l1 --template "{desc}\n"
   custom tag message
   second line
 
 
 local tag with .hgtags modified
 
   $ hg tag hgtags-modified
   $ hg rollback
   repository tip rolled back to revision 13 (undo commit)
   working directory now based on revision 13
   $ hg st
   M .hgtags
   ? .hgtags.orig
   ? editor.sh
   $ hg tag --local baz
   $ hg revert --no-backup .hgtags
 
 
 tagging when at named-branch-head that's not a topo-head
 
   $ hg up default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg merge -t internal:local
   0 files updated, 1 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg ci -m 'merge named branch'
   $ hg up 13
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg tag new-topo-head
 
 tagging on null rev
 
   $ hg up null
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   $ hg tag nullrev
   abort: not at a branch head (use -f to force)
   [255]
 
   $ hg init empty
   $ hg tag -R empty nullrev
   abort: cannot tag null revision
   [255]
 
   $ hg tag -R empty -r 00000000000 -f nulltag
   abort: cannot tag null revision
   [255]
 
   $ cd ..
 
 tagging on an uncommitted merge (issue2542)
 
   $ hg init repo-tag-uncommitted-merge
   $ cd repo-tag-uncommitted-merge
   $ echo c1 > f1
   $ hg ci -Am0
   adding f1
   $ echo c2 > f2
   $ hg ci -Am1
   adding f2
   $ hg co -q 0
   $ hg branch b1
   marked working directory as branch b1
   (branches are permanent and global, did you want a bookmark?)
   $ hg ci -m2
   $ hg up default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg merge b1
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
 
   $ hg tag t1
   abort: uncommitted merge
   [255]
   $ hg status
   $ hg tag --rev 1 t2
   abort: uncommitted merge
   [255]
   $ hg tag --rev 1 --local t3
   $ hg tags -v
   tip                                2:2a156e8887cc
   t3                                 1:c3adabd1a5f4 local
 
   $ cd ..
 
 commit hook on tag used to be run without write lock - issue3344
 
   $ hg init repo-tag
   $ touch repo-tag/test
   $ hg -R repo-tag commit -A -m "test"
   adding test
   $ hg init repo-tag-target
   $ cat > "$TESTTMP/issue3344.sh" <<EOF
   > hg push "$TESTTMP/repo-tag-target"
   > EOF
   $ hg -R repo-tag --config hooks.commit="sh ../issue3344.sh" tag tag
   pushing to $TESTTMP/repo-tag-target (glob)
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 2 changes to 2 files
 
 automatically merge resolvable tag conflicts (i.e. tags that differ in rank)
 create two clones with some different tags as well as some common tags
 check that we can merge tags that differ in rank
 
   $ hg init repo-automatic-tag-merge
   $ cd repo-automatic-tag-merge
   $ echo c0 > f0
   $ hg ci -A -m0
   adding f0
   $ hg tag tbase
+  $ hg up -qr '.^'
+  $ hg log -r 'wdir()' -T "{latesttagdistance}\n"
+  1
+  $ hg up -q
+  $ hg log -r 'wdir()' -T "{latesttagdistance}\n"
+  2
   $ cd ..
   $ hg clone repo-automatic-tag-merge repo-automatic-tag-merge-clone
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd repo-automatic-tag-merge-clone
   $ echo c1 > f1
   $ hg ci -A -m1
   adding f1
   $ hg tag t1 t2 t3
   $ hg tag --remove t2
   $ hg tag t5
   $ echo c2 > f2
   $ hg ci -A -m2
   adding f2
   $ hg tag -f t3
 
   $ cd ../repo-automatic-tag-merge
   $ echo c3 > f3
   $ hg ci -A -m3
   adding f3
   $ hg tag -f t4 t5 t6
   $ hg tag --remove t5
   $ echo c4 > f4
   $ hg ci -A -m4
   adding f4
   $ hg tag t2
   $ hg tag -f t6
 
   $ cd ../repo-automatic-tag-merge-clone
   $ hg pull
   pulling from $TESTTMP/repo-automatic-tag-merge (glob)
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 6 changesets with 6 changes to 3 files (+1 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg merge --tool internal:tagmerge
   merging .hgtags
   2 files updated, 1 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg status
   M .hgtags
   M f3
   M f4
   $ hg resolve -l
   R .hgtags
   $ cat .hgtags
   9aa4e1292a27a248f8d07339bed9931d54907be7 t4
   9aa4e1292a27a248f8d07339bed9931d54907be7 t6
   9aa4e1292a27a248f8d07339bed9931d54907be7 t6
   09af2ce14077a94effef208b49a718f4836d4338 t6
   6cee5c8f3e5b4ae1a3996d2f6489c3e08eb5aea7 tbase
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t1
   929bca7b18d067cbf3844c3896319a940059d748 t2
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
   0000000000000000000000000000000000000000 t2
   875517b4806a848f942811a315a5bce30804ae85 t5
   9aa4e1292a27a248f8d07339bed9931d54907be7 t5
   9aa4e1292a27a248f8d07339bed9931d54907be7 t5
   0000000000000000000000000000000000000000 t5
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
   79505d5360b07e3e79d1052e347e73c02b8afa5b t3
 
 check that the merge tried to minimize the diff with the first merge parent
 
   $ hg diff --git -r 'p1()' .hgtags
   diff --git a/.hgtags b/.hgtags
   --- a/.hgtags
   +++ b/.hgtags
   @@ -1,9 +1,17 @@
   +9aa4e1292a27a248f8d07339bed9931d54907be7 t4
   +9aa4e1292a27a248f8d07339bed9931d54907be7 t6
   +9aa4e1292a27a248f8d07339bed9931d54907be7 t6
   +09af2ce14077a94effef208b49a718f4836d4338 t6
    6cee5c8f3e5b4ae1a3996d2f6489c3e08eb5aea7 tbase
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t1
   +929bca7b18d067cbf3844c3896319a940059d748 t2
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
    0000000000000000000000000000000000000000 t2
    875517b4806a848f942811a315a5bce30804ae85 t5
   +9aa4e1292a27a248f8d07339bed9931d54907be7 t5
   +9aa4e1292a27a248f8d07339bed9931d54907be7 t5
   +0000000000000000000000000000000000000000 t5
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
    79505d5360b07e3e79d1052e347e73c02b8afa5b t3
 
 detect merge tag conflicts
 
   $ hg update -C -r tip
   3 files updated, 0 files merged, 2 files removed, 0 files unresolved
   $ hg tag t7
   $ hg update -C -r 'first(sort(head()))'
   3 files updated, 0 files merged, 2 files removed, 0 files unresolved
   $ printf "%s %s\n" `hg log -r . --template "{node} t7"` >> .hgtags
   $ hg commit -m "manually add conflicting t7 tag"
   $ hg merge --tool internal:tagmerge
   merging .hgtags
   automatic .hgtags merge failed
   the following 1 tags are in conflict: t7
   automatic tag merging of .hgtags failed! (use 'hg resolve --tool :merge' or another merge tool of your choice)
   2 files updated, 0 files merged, 0 files removed, 1 files unresolved
   use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
   [1]
   $ hg resolve -l
   U .hgtags
   $ cat .hgtags
   6cee5c8f3e5b4ae1a3996d2f6489c3e08eb5aea7 tbase
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t1
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
   0000000000000000000000000000000000000000 t2
   875517b4806a848f942811a315a5bce30804ae85 t5
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
   79505d5360b07e3e79d1052e347e73c02b8afa5b t3
   ea918d56be86a4afc5a95312e8b6750e1428d9d2 t7
 
   $ cd ..
 
 handle the loss of tags
 
   $ hg clone repo-automatic-tag-merge-clone repo-merge-lost-tags
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd repo-merge-lost-tags
   $ echo c5 > f5
   $ hg ci -A -m5
   adding f5
   $ hg tag -f t7
   $ hg update -r 'p1(t7)'
   1 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ printf '' > .hgtags
   $ hg commit -m 'delete all tags'
   created new head
   $ hg log -r 'max(t7::)'
   changeset:   17:ffe462b50880
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     Added tag t7 for changeset fd3a9e394ce3
   
   $ hg update -r 'max(t7::)'
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg merge -r tip --tool internal:tagmerge
   merging .hgtags
   0 files updated, 1 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg resolve -l
   R .hgtags
   $ cat .hgtags
   6cee5c8f3e5b4ae1a3996d2f6489c3e08eb5aea7 tbase
   0000000000000000000000000000000000000000 tbase
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t1
   0000000000000000000000000000000000000000 t1
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
   0000000000000000000000000000000000000000 t2
   875517b4806a848f942811a315a5bce30804ae85 t5
   0000000000000000000000000000000000000000 t5
   4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
   79505d5360b07e3e79d1052e347e73c02b8afa5b t3
   0000000000000000000000000000000000000000 t3
   ea918d56be86a4afc5a95312e8b6750e1428d9d2 t7
   0000000000000000000000000000000000000000 t7
   ea918d56be86a4afc5a95312e8b6750e1428d9d2 t7
   fd3a9e394ce3afb354a496323bf68ac1755a30de t7
 
 also check that we minimize the diff with the 1st merge parent
 
   $ hg diff --git -r 'p1()' .hgtags
   diff --git a/.hgtags b/.hgtags
   --- a/.hgtags
   +++ b/.hgtags
   @@ -1,12 +1,17 @@
    6cee5c8f3e5b4ae1a3996d2f6489c3e08eb5aea7 tbase
   +0000000000000000000000000000000000000000 tbase
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t1
   +0000000000000000000000000000000000000000 t1
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t2
    0000000000000000000000000000000000000000 t2
    875517b4806a848f942811a315a5bce30804ae85 t5
   +0000000000000000000000000000000000000000 t5
    4f3e9b90005b68b4d8a3f4355cedc302a8364f5c t3
    79505d5360b07e3e79d1052e347e73c02b8afa5b t3
   +0000000000000000000000000000000000000000 t3
    ea918d56be86a4afc5a95312e8b6750e1428d9d2 t7
   +0000000000000000000000000000000000000000 t7
    ea918d56be86a4afc5a95312e8b6750e1428d9d2 t7
    fd3a9e394ce3afb354a496323bf68ac1755a30de t7