outgoing: fix possible filtering crash in outgoing (issue3814)

If there is no outgoiing changesets but we have filtered revision in outgoing.excluded
We run into a filtering related crash. The excluded revision should not be there
in the first place but discovery need cleanup in default, not stable.

mercurial/scmutil.py

@@ -1,990 +1,994 b''
 # scmutil.py - Mercurial core utility functions
 #
 #  Copyright Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from i18n import _
 from mercurial.node import nullrev
 import util, error, osutil, revset, similar, encoding, phases
 import match as matchmod
 import os, errno, re, stat, sys, glob
 
 def nochangesfound(ui, repo, excluded=None):
     '''Report no changes for push/pull, excluded is None or a list of
     nodes excluded from the push/pull.
     '''
     secretlist = []
     if excluded:
         for n in excluded:
+            if n not in repo:
+                # discovery should not have included the filtered revision,
+                # we have to explicitly exclude it until discovery is cleanup.
+                continue
             ctx = repo[n]
             if ctx.phase() >= phases.secret and not ctx.extinct():
                 secretlist.append(n)
 
     if secretlist:
         ui.status(_("no changes found (ignored %d secret changesets)\n")
                   % len(secretlist))
     else:
         ui.status(_("no changes found\n"))
 
 def checknewlabel(repo, lbl, kind):
     if lbl in ['tip', '.', 'null']:
         raise util.Abort(_("the name '%s' is reserved") % lbl)
     for c in (':', '\0', '\n', '\r'):
         if c in lbl:
             raise util.Abort(_("%r cannot be used in a name") % c)
 
 def checkfilename(f):
     '''Check that the filename f is an acceptable filename for a tracked file'''
     if '\r' in f or '\n' in f:
         raise util.Abort(_("'\\n' and '\\r' disallowed in filenames: %r") % f)
 
 def checkportable(ui, f):
     '''Check if filename f is portable and warn or abort depending on config'''
     checkfilename(f)
     abort, warn = checkportabilityalert(ui)
     if abort or warn:
         msg = util.checkwinfilename(f)
         if msg:
             msg = "%s: %r" % (msg, f)
             if abort:
                 raise util.Abort(msg)
             ui.warn(_("warning: %s\n") % msg)
 
 def checkportabilityalert(ui):
     '''check if the user's config requests nothing, a warning, or abort for
     non-portable filenames'''
     val = ui.config('ui', 'portablefilenames', 'warn')
     lval = val.lower()
     bval = util.parsebool(val)
     abort = os.name == 'nt' or lval == 'abort'
     warn = bval or lval == 'warn'
     if bval is None and not (warn or abort or lval == 'ignore'):
         raise error.ConfigError(
             _("ui.portablefilenames value is invalid ('%s')") % val)
     return abort, warn
 
 class casecollisionauditor(object):
     def __init__(self, ui, abort, dirstate):
         self._ui = ui
         self._abort = abort
         allfiles = '\0'.join(dirstate._map)
         self._loweredfiles = set(encoding.lower(allfiles).split('\0'))
         self._dirstate = dirstate
         # The purpose of _newfiles is so that we don't complain about
         # case collisions if someone were to call this object with the
         # same filename twice.
         self._newfiles = set()
 
     def __call__(self, f):
         fl = encoding.lower(f)
         if (fl in self._loweredfiles and f not in self._dirstate and
             f not in self._newfiles):
             msg = _('possible case-folding collision for %s') % f
             if self._abort:
                 raise util.Abort(msg)
             self._ui.warn(_("warning: %s\n") % msg)
         self._loweredfiles.add(fl)
         self._newfiles.add(f)
 
 class pathauditor(object):
     '''ensure that a filesystem path contains no banned components.
     the following properties of a path are checked:
 
     - ends with a directory separator
     - under top-level .hg
     - starts at the root of a windows drive
     - contains ".."
     - traverses a symlink (e.g. a/symlink_here/b)
     - inside a nested repository (a callback can be used to approve
       some nested repositories, e.g., subrepositories)
     '''
 
     def __init__(self, root, callback=None):
         self.audited = set()
         self.auditeddir = set()
         self.root = root
         self.callback = callback
         if os.path.lexists(root) and not util.checkcase(root):
             self.normcase = util.normcase
         else:
             self.normcase = lambda x: x
 
     def __call__(self, path):
         '''Check the relative path.
         path may contain a pattern (e.g. foodir/**.txt)'''
 
         path = util.localpath(path)
         normpath = self.normcase(path)
         if normpath in self.audited:
             return
         # AIX ignores "/" at end of path, others raise EISDIR.
         if util.endswithsep(path):
             raise util.Abort(_("path ends in directory separator: %s") % path)
         parts = util.splitpath(path)
         if (os.path.splitdrive(path)[0]
             or parts[0].lower() in ('.hg', '.hg.', '')
             or os.pardir in parts):
             raise util.Abort(_("path contains illegal component: %s") % path)
         if '.hg' in path.lower():
             lparts = [p.lower() for p in parts]
             for p in '.hg', '.hg.':
                 if p in lparts[1:]:
                     pos = lparts.index(p)
                     base = os.path.join(*parts[:pos])
                     raise util.Abort(_("path '%s' is inside nested repo %r")
                                      % (path, base))
 
         normparts = util.splitpath(normpath)
         assert len(parts) == len(normparts)
 
         parts.pop()
         normparts.pop()
         prefixes = []
         while parts:
             prefix = os.sep.join(parts)
             normprefix = os.sep.join(normparts)
             if normprefix in self.auditeddir:
                 break
             curpath = os.path.join(self.root, prefix)
             try:
                 st = os.lstat(curpath)
             except OSError, err:
                 # EINVAL can be raised as invalid path syntax under win32.
                 # They must be ignored for patterns can be checked too.
                 if err.errno not in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
                     raise
             else:
                 if stat.S_ISLNK(st.st_mode):
                     raise util.Abort(
                         _('path %r traverses symbolic link %r')
                         % (path, prefix))
                 elif (stat.S_ISDIR(st.st_mode) and
                       os.path.isdir(os.path.join(curpath, '.hg'))):
                     if not self.callback or not self.callback(curpath):
                         raise util.Abort(_("path '%s' is inside nested "
                                            "repo %r")
                                          % (path, prefix))
             prefixes.append(normprefix)
             parts.pop()
             normparts.pop()
 
         self.audited.add(normpath)
         # only add prefixes to the cache after checking everything: we don't
         # want to add "foo/bar/baz" before checking if there's a "foo/.hg"
         self.auditeddir.update(prefixes)
 
 class abstractvfs(object):
     """Abstract base class; cannot be instantiated"""
 
     def __init__(self, *args, **kwargs):
         '''Prevent instantiation; don't call this from subclasses.'''
         raise NotImplementedError('attempted instantiating ' + str(type(self)))
 
     def tryread(self, path):
         '''gracefully return an empty string for missing files'''
         try:
             return self.read(path)
         except IOError, inst:
             if inst.errno != errno.ENOENT:
                 raise
         return ""
 
     def read(self, path):
         fp = self(path, 'rb')
         try:
             return fp.read()
         finally:
             fp.close()
 
     def write(self, path, data):
         fp = self(path, 'wb')
         try:
             return fp.write(data)
         finally:
             fp.close()
 
     def append(self, path, data):
         fp = self(path, 'ab')
         try:
             return fp.write(data)
         finally:
             fp.close()
 
     def exists(self, path=None):
         return os.path.exists(self.join(path))
 
     def isdir(self, path=None):
         return os.path.isdir(self.join(path))
 
     def makedir(self, path=None, notindexed=True):
         return util.makedir(self.join(path), notindexed)
 
     def makedirs(self, path=None, mode=None):
         return util.makedirs(self.join(path), mode)
 
     def mkdir(self, path=None):
         return os.mkdir(self.join(path))
 
     def readdir(self, path=None, stat=None, skip=None):
         return osutil.listdir(self.join(path), stat, skip)
 
     def stat(self, path=None):
         return os.stat(self.join(path))
 
 class vfs(abstractvfs):
     '''Operate files relative to a base directory
 
     This class is used to hide the details of COW semantics and
     remote file access from higher level code.
     '''
     def __init__(self, base, audit=True, expand=False):
         if expand:
             base = os.path.realpath(util.expandpath(base))
         self.base = base
         self._setmustaudit(audit)
         self.createmode = None
         self._trustnlink = None
 
     def _getmustaudit(self):
         return self._audit
 
     def _setmustaudit(self, onoff):
         self._audit = onoff
         if onoff:
             self.audit = pathauditor(self.base)
         else:
             self.audit = util.always
 
     mustaudit = property(_getmustaudit, _setmustaudit)
 
     @util.propertycache
     def _cansymlink(self):
         return util.checklink(self.base)
 
     @util.propertycache
     def _chmod(self):
         return util.checkexec(self.base)
 
     def _fixfilemode(self, name):
         if self.createmode is None or not self._chmod:
             return
         os.chmod(name, self.createmode & 0666)
 
     def __call__(self, path, mode="r", text=False, atomictemp=False):
         if self._audit:
             r = util.checkosfilename(path)
             if r:
                 raise util.Abort("%s: %r" % (r, path))
         self.audit(path)
         f = self.join(path)
 
         if not text and "b" not in mode:
             mode += "b" # for that other OS
 
         nlink = -1
         if mode not in ('r', 'rb'):
             dirname, basename = util.split(f)
             # If basename is empty, then the path is malformed because it points
             # to a directory. Let the posixfile() call below raise IOError.
             if basename:
                 if atomictemp:
                     if not os.path.isdir(dirname):
                         util.makedirs(dirname, self.createmode)
                     return util.atomictempfile(f, mode, self.createmode)
                 try:
                     if 'w' in mode:
                         util.unlink(f)
                         nlink = 0
                     else:
                         # nlinks() may behave differently for files on Windows
                         # shares if the file is open.
                         fd = util.posixfile(f)
                         nlink = util.nlinks(f)
                         if nlink < 1:
                             nlink = 2 # force mktempcopy (issue1922)
                         fd.close()
                 except (OSError, IOError), e:
                     if e.errno != errno.ENOENT:
                         raise
                     nlink = 0
                     if not os.path.isdir(dirname):
                         util.makedirs(dirname, self.createmode)
                 if nlink > 0:
                     if self._trustnlink is None:
                         self._trustnlink = nlink > 1 or util.checknlink(f)
                     if nlink > 1 or not self._trustnlink:
                         util.rename(util.mktempcopy(f), f)
         fp = util.posixfile(f, mode)
         if nlink == 0:
             self._fixfilemode(f)
         return fp
 
     def symlink(self, src, dst):
         self.audit(dst)
         linkname = self.join(dst)
         try:
             os.unlink(linkname)
         except OSError:
             pass
 
         dirname = os.path.dirname(linkname)
         if not os.path.exists(dirname):
             util.makedirs(dirname, self.createmode)
 
         if self._cansymlink:
             try:
                 os.symlink(src, linkname)
             except OSError, err:
                 raise OSError(err.errno, _('could not symlink to %r: %s') %
                               (src, err.strerror), linkname)
         else:
             self.write(dst, src)
 
     def join(self, path):
         if path:
             return os.path.join(self.base, path)
         else:
             return self.base
 
 opener = vfs
 
 class auditvfs(object):
     def __init__(self, vfs):
         self.vfs = vfs
 
     def _getmustaudit(self):
         return self.vfs.mustaudit
 
     def _setmustaudit(self, onoff):
         self.vfs.mustaudit = onoff
 
     mustaudit = property(_getmustaudit, _setmustaudit)
 
 class filtervfs(abstractvfs, auditvfs):
     '''Wrapper vfs for filtering filenames with a function.'''
 
     def __init__(self, vfs, filter):
         auditvfs.__init__(self, vfs)
         self._filter = filter
 
     def __call__(self, path, *args, **kwargs):
         return self.vfs(self._filter(path), *args, **kwargs)
 
     def join(self, path):
         if path:
             return self.vfs.join(self._filter(path))
         else:
             return self.vfs.join(path)
 
 filteropener = filtervfs
 
 class readonlyvfs(abstractvfs, auditvfs):
     '''Wrapper vfs preventing any writing.'''
 
     def __init__(self, vfs):
         auditvfs.__init__(self, vfs)
 
     def __call__(self, path, mode='r', *args, **kw):
         if mode not in ('r', 'rb'):
             raise util.Abort('this vfs is read only')
         return self.vfs(path, mode, *args, **kw)
 
 
 def canonpath(root, cwd, myname, auditor=None):
     '''return the canonical path of myname, given cwd and root'''
     if util.endswithsep(root):
         rootsep = root
     else:
         rootsep = root + os.sep
     name = myname
     if not os.path.isabs(name):
         name = os.path.join(root, cwd, name)
     name = os.path.normpath(name)
     if auditor is None:
         auditor = pathauditor(root)
     if name != rootsep and name.startswith(rootsep):
         name = name[len(rootsep):]
         auditor(name)
         return util.pconvert(name)
     elif name == root:
         return ''
     else:
         # Determine whether `name' is in the hierarchy at or beneath `root',
         # by iterating name=dirname(name) until that causes no change (can't
         # check name == '/', because that doesn't work on windows). The list
         # `rel' holds the reversed list of components making up the relative
         # file name we want.
         rel = []
         while True:
             try:
                 s = util.samefile(name, root)
             except OSError:
                 s = False
             if s:
                 if not rel:
                     # name was actually the same as root (maybe a symlink)
                     return ''
                 rel.reverse()
                 name = os.path.join(*rel)
                 auditor(name)
                 return util.pconvert(name)
             dirname, basename = util.split(name)
             rel.append(basename)
             if dirname == name:
                 break
             name = dirname
 
         raise util.Abort(_("%s not under root '%s'") % (myname, root))
 
 def walkrepos(path, followsym=False, seen_dirs=None, recurse=False):
     '''yield every hg repository under path, always recursively.
     The recurse flag will only control recursion into repo working dirs'''
     def errhandler(err):
         if err.filename == path:
             raise err
     samestat = getattr(os.path, 'samestat', None)
     if followsym and samestat is not None:
         def adddir(dirlst, dirname):
             match = False
             dirstat = os.stat(dirname)
             for lstdirstat in dirlst:
                 if samestat(dirstat, lstdirstat):
                     match = True
                     break
             if not match:
                 dirlst.append(dirstat)
             return not match
     else:
         followsym = False
 
     if (seen_dirs is None) and followsym:
         seen_dirs = []
         adddir(seen_dirs, path)
     for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler):
         dirs.sort()
         if '.hg' in dirs:
             yield root # found a repository
             qroot = os.path.join(root, '.hg', 'patches')
             if os.path.isdir(os.path.join(qroot, '.hg')):
                 yield qroot # we have a patch queue repo here
             if recurse:
                 # avoid recursing inside the .hg directory
                 dirs.remove('.hg')
             else:
                 dirs[:] = [] # don't descend further
         elif followsym:
             newdirs = []
             for d in dirs:
                 fname = os.path.join(root, d)
                 if adddir(seen_dirs, fname):
                     if os.path.islink(fname):
                         for hgname in walkrepos(fname, True, seen_dirs):
                             yield hgname
                     else:
                         newdirs.append(d)
             dirs[:] = newdirs
 
 def osrcpath():
     '''return default os-specific hgrc search path'''
     path = systemrcpath()
     path.extend(userrcpath())
     path = [os.path.normpath(f) for f in path]
     return path
 
 _rcpath = None
 
 def rcpath():
     '''return hgrc search path. if env var HGRCPATH is set, use it.
     for each item in path, if directory, use files ending in .rc,
     else use item.
     make HGRCPATH empty to only look in .hg/hgrc of current repo.
     if no HGRCPATH, use default os-specific path.'''
     global _rcpath
     if _rcpath is None:
         if 'HGRCPATH' in os.environ:
             _rcpath = []
             for p in os.environ['HGRCPATH'].split(os.pathsep):
                 if not p:
                     continue
                 p = util.expandpath(p)
                 if os.path.isdir(p):
                     for f, kind in osutil.listdir(p):
                         if f.endswith('.rc'):
                             _rcpath.append(os.path.join(p, f))
                 else:
                     _rcpath.append(p)
         else:
             _rcpath = osrcpath()
     return _rcpath
 
 if os.name != 'nt':
 
     def rcfiles(path):
         rcs = [os.path.join(path, 'hgrc')]
         rcdir = os.path.join(path, 'hgrc.d')
         try:
             rcs.extend([os.path.join(rcdir, f)
                         for f, kind in osutil.listdir(rcdir)
                         if f.endswith(".rc")])
         except OSError:
             pass
         return rcs
 
     def systemrcpath():
         path = []
         if sys.platform == 'plan9':
             root = 'lib/mercurial'
         else:
             root = 'etc/mercurial'
         # old mod_python does not set sys.argv
         if len(getattr(sys, 'argv', [])) > 0:
             p = os.path.dirname(os.path.dirname(sys.argv[0]))
             path.extend(rcfiles(os.path.join(p, root)))
         path.extend(rcfiles('/' + root))
         return path
 
     def userrcpath():
         if sys.platform == 'plan9':
             return [os.environ['home'] + '/lib/hgrc']
         else:
             return [os.path.expanduser('~/.hgrc')]
 
 else:
 
     import _winreg
 
     def systemrcpath():
         '''return default os-specific hgrc search path'''
         rcpath = []
         filename = util.executablepath()
         # Use mercurial.ini found in directory with hg.exe
         progrc = os.path.join(os.path.dirname(filename), 'mercurial.ini')
         if os.path.isfile(progrc):
             rcpath.append(progrc)
             return rcpath
         # Use hgrc.d found in directory with hg.exe
         progrcd = os.path.join(os.path.dirname(filename), 'hgrc.d')
         if os.path.isdir(progrcd):
             for f, kind in osutil.listdir(progrcd):
                 if f.endswith('.rc'):
                     rcpath.append(os.path.join(progrcd, f))
             return rcpath
         # else look for a system rcpath in the registry
         value = util.lookupreg('SOFTWARE\\Mercurial', None,
                                _winreg.HKEY_LOCAL_MACHINE)
         if not isinstance(value, str) or not value:
             return rcpath
         value = util.localpath(value)
         for p in value.split(os.pathsep):
             if p.lower().endswith('mercurial.ini'):
                 rcpath.append(p)
             elif os.path.isdir(p):
                 for f, kind in osutil.listdir(p):
                     if f.endswith('.rc'):
                         rcpath.append(os.path.join(p, f))
         return rcpath
 
     def userrcpath():
         '''return os-specific hgrc search path to the user dir'''
         home = os.path.expanduser('~')
         path = [os.path.join(home, 'mercurial.ini'),
                 os.path.join(home, '.hgrc')]
         userprofile = os.environ.get('USERPROFILE')
         if userprofile:
             path.append(os.path.join(userprofile, 'mercurial.ini'))
             path.append(os.path.join(userprofile, '.hgrc'))
         return path
 
 def revsingle(repo, revspec, default='.'):
     if not revspec:
         return repo[default]
 
     l = revrange(repo, [revspec])
     if len(l) < 1:
         raise util.Abort(_('empty revision set'))
     return repo[l[-1]]
 
 def revpair(repo, revs):
     if not revs:
         return repo.dirstate.p1(), None
 
     l = revrange(repo, revs)
 
     if len(l) == 0:
         if revs:
             raise util.Abort(_('empty revision range'))
         return repo.dirstate.p1(), None
 
     if len(l) == 1 and len(revs) == 1 and _revrangesep not in revs[0]:
         return repo.lookup(l[0]), None
 
     return repo.lookup(l[0]), repo.lookup(l[-1])
 
 _revrangesep = ':'
 
 def revrange(repo, revs):
     """Yield revision as strings from a list of revision specifications."""
 
     def revfix(repo, val, defval):
         if not val and val != 0 and defval is not None:
             return defval
         return repo[val].rev()
 
     seen, l = set(), []
     for spec in revs:
         if l and not seen:
             seen = set(l)
         # attempt to parse old-style ranges first to deal with
         # things like old-tag which contain query metacharacters
         try:
             if isinstance(spec, int):
                 seen.add(spec)
                 l.append(spec)
                 continue
 
             if _revrangesep in spec:
                 start, end = spec.split(_revrangesep, 1)
                 start = revfix(repo, start, 0)
                 end = revfix(repo, end, len(repo) - 1)
                 if end == nullrev and start <= 0:
                     start = nullrev
                 rangeiter = repo.changelog.revs(start, end)
                 if not seen and not l:
                     # by far the most common case: revs = ["-1:0"]
                     l = list(rangeiter)
                     # defer syncing seen until next iteration
                     continue
                 newrevs = set(rangeiter)
                 if seen:
                     newrevs.difference_update(seen)
                     seen.update(newrevs)
                 else:
                     seen = newrevs
                 l.extend(sorted(newrevs, reverse=start > end))
                 continue
             elif spec and spec in repo: # single unquoted rev
                 rev = revfix(repo, spec, None)
                 if rev in seen:
                     continue
                 seen.add(rev)
                 l.append(rev)
                 continue
         except error.RepoLookupError:
             pass
 
         # fall through to new-style queries if old-style fails
         m = revset.match(repo.ui, spec)
         dl = [r for r in m(repo, list(repo)) if r not in seen]
         l.extend(dl)
         seen.update(dl)
 
     return l
 
 def expandpats(pats):
     if not util.expandglobs:
         return list(pats)
     ret = []
     for p in pats:
         kind, name = matchmod._patsplit(p, None)
         if kind is None:
             try:
                 globbed = glob.glob(name)
             except re.error:
                 globbed = [name]
             if globbed:
                 ret.extend(globbed)
                 continue
         ret.append(p)
     return ret
 
 def matchandpats(ctx, pats=[], opts={}, globbed=False, default='relpath'):
     if pats == ("",):
         pats = []
     if not globbed and default == 'relpath':
         pats = expandpats(pats or [])
 
     m = ctx.match(pats, opts.get('include'), opts.get('exclude'),
                          default)
     def badfn(f, msg):
         ctx._repo.ui.warn("%s: %s\n" % (m.rel(f), msg))
     m.bad = badfn
     return m, pats
 
 def match(ctx, pats=[], opts={}, globbed=False, default='relpath'):
     return matchandpats(ctx, pats, opts, globbed, default)[0]
 
 def matchall(repo):
     return matchmod.always(repo.root, repo.getcwd())
 
 def matchfiles(repo, files):
     return matchmod.exact(repo.root, repo.getcwd(), files)
 
 def addremove(repo, pats=[], opts={}, dry_run=None, similarity=None):
     if dry_run is None:
         dry_run = opts.get('dry_run')
     if similarity is None:
         similarity = float(opts.get('similarity') or 0)
     # we'd use status here, except handling of symlinks and ignore is tricky
     added, unknown, deleted, removed = [], [], [], []
     audit_path = pathauditor(repo.root)
     m = match(repo[None], pats, opts)
     rejected = []
     m.bad = lambda x, y: rejected.append(x)
 
     for abs in repo.walk(m):
         target = repo.wjoin(abs)
         good = True
         try:
             audit_path(abs)
         except (OSError, util.Abort):
             good = False
         rel = m.rel(abs)
         exact = m.exact(abs)
         if good and abs not in repo.dirstate:
             unknown.append(abs)
             if repo.ui.verbose or not exact:
                 repo.ui.status(_('adding %s\n') % ((pats and rel) or abs))
         elif (repo.dirstate[abs] != 'r' and
               (not good or not os.path.lexists(target) or
                (os.path.isdir(target) and not os.path.islink(target)))):
             deleted.append(abs)
             if repo.ui.verbose or not exact:
                 repo.ui.status(_('removing %s\n') % ((pats and rel) or abs))
         # for finding renames
         elif repo.dirstate[abs] == 'r':
             removed.append(abs)
         elif repo.dirstate[abs] == 'a':
             added.append(abs)
     copies = {}
     if similarity > 0:
         for old, new, score in similar.findrenames(repo,
                 added + unknown, removed + deleted, similarity):
             if repo.ui.verbose or not m.exact(old) or not m.exact(new):
                 repo.ui.status(_('recording removal of %s as rename to %s '
                                  '(%d%% similar)\n') %
                                (m.rel(old), m.rel(new), score * 100))
             copies[new] = old
 
     if not dry_run:
         wctx = repo[None]
         wlock = repo.wlock()
         try:
             wctx.forget(deleted)
             wctx.add(unknown)
             for new, old in copies.iteritems():
                 wctx.copy(old, new)
         finally:
             wlock.release()
 
     for f in rejected:
         if f in m.files():
             return 1
     return 0
 
 def updatedir(ui, repo, patches, similarity=0):
     '''Update dirstate after patch application according to metadata'''
     if not patches:
         return []
     copies = []
     removes = set()
     cfiles = patches.keys()
     cwd = repo.getcwd()
     if cwd:
         cfiles = [util.pathto(repo.root, cwd, f) for f in patches.keys()]
     for f in patches:
         gp = patches[f]
         if not gp:
             continue
         if gp.op == 'RENAME':
             copies.append((gp.oldpath, gp.path))
             removes.add(gp.oldpath)
         elif gp.op == 'COPY':
             copies.append((gp.oldpath, gp.path))
         elif gp.op == 'DELETE':
             removes.add(gp.path)
 
     wctx = repo[None]
     for src, dst in copies:
         dirstatecopy(ui, repo, wctx, src, dst, cwd=cwd)
     if (not similarity) and removes:
         wctx.remove(sorted(removes), True)
 
     for f in patches:
         gp = patches[f]
         if gp and gp.mode:
             islink, isexec = gp.mode
             dst = repo.wjoin(gp.path)
             # patch won't create empty files
             if gp.op == 'ADD' and not os.path.lexists(dst):
                 flags = (isexec and 'x' or '') + (islink and 'l' or '')
                 repo.wwrite(gp.path, '', flags)
             util.setflags(dst, islink, isexec)
     addremove(repo, cfiles, similarity=similarity)
     files = patches.keys()
     files.extend([r for r in removes if r not in files])
     return sorted(files)
 
 def dirstatecopy(ui, repo, wctx, src, dst, dryrun=False, cwd=None):
     """Update the dirstate to reflect the intent of copying src to dst. For
     different reasons it might not end with dst being marked as copied from src.
     """
     origsrc = repo.dirstate.copied(src) or src
     if dst == origsrc: # copying back a copy?
         if repo.dirstate[dst] not in 'mn' and not dryrun:
             repo.dirstate.normallookup(dst)
     else:
         if repo.dirstate[origsrc] == 'a' and origsrc == src:
             if not ui.quiet:
                 ui.warn(_("%s has not been committed yet, so no copy "
                           "data will be stored for %s.\n")
                         % (repo.pathto(origsrc, cwd), repo.pathto(dst, cwd)))
             if repo.dirstate[dst] in '?r' and not dryrun:
                 wctx.add([dst])
         elif not dryrun:
             wctx.copy(origsrc, dst)
 
 def readrequires(opener, supported):
     '''Reads and parses .hg/requires and checks if all entries found
     are in the list of supported features.'''
     requirements = set(opener.read("requires").splitlines())
     missings = []
     for r in requirements:
         if r not in supported:
             if not r or not r[0].isalnum():
                 raise error.RequirementError(_(".hg/requires file is corrupt"))
             missings.append(r)
     missings.sort()
     if missings:
         raise error.RequirementError(
             _("unknown repository format: requires features '%s' (upgrade "
               "Mercurial)") % "', '".join(missings))
     return requirements
 
 class filecacheentry(object):
     def __init__(self, path, stat=True):
         self.path = path
         self.cachestat = None
         self._cacheable = None
 
         if stat:
             self.cachestat = filecacheentry.stat(self.path)
 
             if self.cachestat:
                 self._cacheable = self.cachestat.cacheable()
             else:
                 # None means we don't know yet
                 self._cacheable = None
 
     def refresh(self):
         if self.cacheable():
             self.cachestat = filecacheentry.stat(self.path)
 
     def cacheable(self):
         if self._cacheable is not None:
             return self._cacheable
 
         # we don't know yet, assume it is for now
         return True
 
     def changed(self):
         # no point in going further if we can't cache it
         if not self.cacheable():
             return True
 
         newstat = filecacheentry.stat(self.path)
 
         # we may not know if it's cacheable yet, check again now
         if newstat and self._cacheable is None:
             self._cacheable = newstat.cacheable()
 
             # check again
             if not self._cacheable:
                 return True
 
         if self.cachestat != newstat:
             self.cachestat = newstat
             return True
         else:
             return False
 
     @staticmethod
     def stat(path):
         try:
             return util.cachestat(path)
         except OSError, e:
             if e.errno != errno.ENOENT:
                 raise
 
 class filecache(object):
     '''A property like decorator that tracks a file under .hg/ for updates.
 
     Records stat info when called in _filecache.
 
     On subsequent calls, compares old stat info with new info, and recreates
     the object when needed, updating the new stat info in _filecache.
 
     Mercurial either atomic renames or appends for files under .hg,
     so to ensure the cache is reliable we need the filesystem to be able
     to tell us if a file has been replaced. If it can't, we fallback to
     recreating the object on every call (essentially the same behaviour as
     propertycache).'''
     def __init__(self, path):
         self.path = path
 
     def join(self, obj, fname):
         """Used to compute the runtime path of the cached file.
 
         Users should subclass filecache and provide their own version of this
         function to call the appropriate join function on 'obj' (an instance
         of the class that its member function was decorated).
         """
         return obj.join(fname)
 
     def __call__(self, func):
         self.func = func
         self.name = func.__name__
         return self
 
     def __get__(self, obj, type=None):
         # do we need to check if the file changed?
         if self.name in obj.__dict__:
             assert self.name in obj._filecache, self.name
             return obj.__dict__[self.name]
 
         entry = obj._filecache.get(self.name)
 
         if entry:
             if entry.changed():
                 entry.obj = self.func(obj)
         else:
             path = self.join(obj, self.path)
 
             # We stat -before- creating the object so our cache doesn't lie if
             # a writer modified between the time we read and stat
             entry = filecacheentry(path)
             entry.obj = self.func(obj)
 
             obj._filecache[self.name] = entry
 
         obj.__dict__[self.name] = entry.obj
         return entry.obj
 
     def __set__(self, obj, value):
         if self.name not in obj._filecache:
             # we add an entry for the missing value because X in __dict__
             # implies X in _filecache
             ce = filecacheentry(self.join(obj, self.path), False)
             obj._filecache[self.name] = ce
         else:
             ce = obj._filecache[self.name]
 
         ce.obj = value # update cached copy
         obj.__dict__[self.name] = value # update copy returned by obj.x
 
     def __delete__(self, obj):
         try:
             del obj.__dict__[self.name]
         except KeyError:
             raise AttributeError(self.name)

tests/test-obsolete.t

@@ -1,867 +1,889 b''
   $ cat >> $HGRCPATH << EOF
   > [extensions]
   > graphlog=
   > [phases]
   > # public changeset are not obsolete
   > publish=false
   > EOF
   $ mkcommit() {
   >    echo "$1" > "$1"
   >    hg add "$1"
   >    hg ci -m "add $1"
   > }
   $ getid() {
   >    hg id --debug --hidden -ir "desc('$1')"
   > }
 
   $ cat > debugkeys.py <<EOF
   > def reposetup(ui, repo):
   >     class debugkeysrepo(repo.__class__):
   >         def listkeys(self, namespace):
   >             ui.write('listkeys %s\n' % (namespace,))
   >             return super(debugkeysrepo, self).listkeys(namespace)
   > 
   >     if repo.local():
   >         repo.__class__ = debugkeysrepo
   > EOF
 
   $ hg init tmpa
   $ cd tmpa
   $ mkcommit kill_me
 
 Checking that the feature is properly disabled
 
   $ hg debugobsolete -d '0 0' `getid kill_me` -u babar
   abort: obsolete feature is not enabled on this repo
   [255]
 
 Enabling it
 
   $ cat > ../obs.py << EOF
   > import mercurial.obsolete
   > mercurial.obsolete._enabled = True
   > EOF
   $ echo '[extensions]' >> $HGRCPATH
   $ echo "obs=${TESTTMP}/obs.py" >> $HGRCPATH
 
 Killing a single changeset without replacement
 
   $ hg debugobsolete 0
   abort: changeset references must be full hexadecimal node identifiers
   [255]
   $ hg debugobsolete '00'
   abort: changeset references must be full hexadecimal node identifiers
   [255]
   $ hg debugobsolete -d '0 0' `getid kill_me` -u babar
   $ hg debugobsolete
   97b7c2d76b1845ed3eb988cd612611e72406cef0 0 {'date': '0 0', 'user': 'babar'}
 
 (test that mercurial is not confused)
 
   $ hg up null --quiet # having 0 as parent prevents it to be hidden
   $ hg tip
   changeset:   -1:000000000000
   tag:         tip
   user:        
   date:        Thu Jan 01 00:00:00 1970 +0000
   
   $ hg up --hidden tip --quiet
   $ cd ..
 
 Killing a single changeset with replacement
 
   $ hg init tmpb
   $ cd tmpb
   $ mkcommit a
   $ mkcommit b
   $ mkcommit original_c
   $ hg up "desc('b')"
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ mkcommit new_c
   created new head
   $ hg log -r 'hidden()' --template '{rev}:{node|short} {desc}\n' --hidden
   $ hg debugobsolete --flag 12 `getid original_c`  `getid new_c` -d '56 12'
   $ hg log -r 'hidden()' --template '{rev}:{node|short} {desc}\n' --hidden
   2:245bde4270cd add original_c
   $ hg debugobsolete
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
 
 do it again (it read the obsstore before adding new changeset)
 
   $ hg up '.^'
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ mkcommit new_2_c
   created new head
   $ hg debugobsolete -d '1337 0' `getid new_c` `getid new_2_c`
   $ hg debugobsolete
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
   cdbce2fbb16313928851e97e0d85413f3f7eb77f ca819180edb99ed25ceafb3e9584ac287e240b00 0 {'date': '1337 0', 'user': 'test'}
 
 Register two markers with a missing node
 
   $ hg up '.^'
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ mkcommit new_3_c
   created new head
   $ hg debugobsolete -d '1338 0' `getid new_2_c` 1337133713371337133713371337133713371337
   $ hg debugobsolete -d '1339 0' 1337133713371337133713371337133713371337 `getid new_3_c`
   $ hg debugobsolete
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
   cdbce2fbb16313928851e97e0d85413f3f7eb77f ca819180edb99ed25ceafb3e9584ac287e240b00 0 {'date': '1337 0', 'user': 'test'}
   ca819180edb99ed25ceafb3e9584ac287e240b00 1337133713371337133713371337133713371337 0 {'date': '1338 0', 'user': 'test'}
   1337133713371337133713371337133713371337 5601fb93a350734d935195fee37f4054c529ff39 0 {'date': '1339 0', 'user': 'test'}
 
 Refuse pathological nullid successors
   $ hg debugobsolete -d '9001 0' 1337133713371337133713371337133713371337 0000000000000000000000000000000000000000
   transaction abort!
   rollback completed
   abort: bad obsolescence marker detected: invalid successors nullid
   [255]
 
 Check that graphlog detect that a changeset is obsolete:
 
   $ hg glog
   @  changeset:   5:5601fb93a350
   |  tag:         tip
   |  parent:      1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add new_3_c
   |
   o  changeset:   1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add b
   |
   o  changeset:   0:1f0dee641bb7
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     add a
   
 
 check that heads does not report them
 
   $ hg heads
   changeset:   5:5601fb93a350
   tag:         tip
   parent:      1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add new_3_c
   
   $ hg heads --hidden
   changeset:   5:5601fb93a350
   tag:         tip
   parent:      1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add new_3_c
   
   changeset:   4:ca819180edb9
   parent:      1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add new_2_c
   
   changeset:   3:cdbce2fbb163
   parent:      1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add new_c
   
   changeset:   2:245bde4270cd
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add original_c
   
 
 
 check that summary does not report them
 
   $ hg init ../sink
   $ echo '[paths]' >> .hg/hgrc
   $ echo 'default=../sink' >> .hg/hgrc
   $ hg summary --remote
   parent: 5:5601fb93a350 tip
    add new_3_c
   branch: default
   commit: (clean)
   update: (current)
   remote: 3 outgoing
 
   $ hg summary --remote --hidden
   parent: 5:5601fb93a350 tip
    add new_3_c
   branch: default
   commit: (clean)
   update: 3 new changesets, 4 branch heads (merge)
   remote: 3 outgoing
 
 check that various commands work well with filtering
 
   $ hg tip
   changeset:   5:5601fb93a350
   tag:         tip
   parent:      1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add new_3_c
   
   $ hg log -r 6
   abort: unknown revision '6'!
   [255]
   $ hg log -r 4
   abort: unknown revision '4'!
   [255]
 
 Check that public changeset are not accounted as obsolete:
 
   $ hg --hidden phase --public 2
   $ hg --config 'extensions.graphlog=' glog
   @  changeset:   5:5601fb93a350
   |  tag:         tip
   |  parent:      1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add new_3_c
   |
   | o  changeset:   2:245bde4270cd
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     add original_c
   |
   o  changeset:   1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add b
   |
   o  changeset:   0:1f0dee641bb7
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     add a
   
 
 And that bumped changeset are detected
 --------------------------------------
 
 If we didn't filtered obsolete changesets out, 3 and 4 would show up too. Also
 note that the bumped changeset (5:5601fb93a350) is not a direct successor of
 the public changeset
 
   $ hg log --hidden -r 'bumped()'
   changeset:   5:5601fb93a350
   tag:         tip
   parent:      1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add new_3_c
   
 
 And that we can't push bumped changeset
 
   $ hg push ../tmpa -r 0 --force #(make repo related)
   pushing to ../tmpa
   searching for changes
   warning: repository is unrelated
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
   $ hg push ../tmpa
   pushing to ../tmpa
   searching for changes
   abort: push includes bumped changeset: 5601fb93a350!
   [255]
 
 Fixing "bumped" situation
 We need to create a clone of 5 and add a special marker with a flag
 
   $ hg up '5^'
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ hg revert -ar 5
   adding new_3_c
   $ hg ci -m 'add n3w_3_c'
   created new head
   $ hg debugobsolete -d '1338 0' --flags 1 `getid new_3_c` `getid n3w_3_c`
   $ hg log -r 'bumped()'
   $ hg log -G
   @  changeset:   6:6f9641995072
   |  tag:         tip
   |  parent:      1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add n3w_3_c
   |
   | o  changeset:   2:245bde4270cd
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     add original_c
   |
   o  changeset:   1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add b
   |
   o  changeset:   0:1f0dee641bb7
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     add a
   
 
 
 
   $ cd ..
 
 Exchange Test
 ============================
 
 Destination repo does not have any data
 ---------------------------------------
 
 Simple incoming test
 
   $ hg init tmpc
   $ cd tmpc
   $ hg incoming ../tmpb
   comparing with ../tmpb
   changeset:   0:1f0dee641bb7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add a
   
   changeset:   1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add b
   
   changeset:   2:245bde4270cd
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add original_c
   
   changeset:   6:6f9641995072
   tag:         tip
   parent:      1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add n3w_3_c
   
 
 Try to pull markers
 (extinct changeset are excluded but marker are pushed)
 
   $ hg pull ../tmpb
   pulling from ../tmpb
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 4 changesets with 4 changes to 4 files (+1 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg debugobsolete
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
   cdbce2fbb16313928851e97e0d85413f3f7eb77f ca819180edb99ed25ceafb3e9584ac287e240b00 0 {'date': '1337 0', 'user': 'test'}
   ca819180edb99ed25ceafb3e9584ac287e240b00 1337133713371337133713371337133713371337 0 {'date': '1338 0', 'user': 'test'}
   1337133713371337133713371337133713371337 5601fb93a350734d935195fee37f4054c529ff39 0 {'date': '1339 0', 'user': 'test'}
   5601fb93a350734d935195fee37f4054c529ff39 6f96419950729f3671185b847352890f074f7557 1 {'date': '1338 0', 'user': 'test'}
 
 Rollback//Transaction support
 
   $ hg debugobsolete -d '1340 0' aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
   $ hg debugobsolete
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
   cdbce2fbb16313928851e97e0d85413f3f7eb77f ca819180edb99ed25ceafb3e9584ac287e240b00 0 {'date': '1337 0', 'user': 'test'}
   ca819180edb99ed25ceafb3e9584ac287e240b00 1337133713371337133713371337133713371337 0 {'date': '1338 0', 'user': 'test'}
   1337133713371337133713371337133713371337 5601fb93a350734d935195fee37f4054c529ff39 0 {'date': '1339 0', 'user': 'test'}
   5601fb93a350734d935195fee37f4054c529ff39 6f96419950729f3671185b847352890f074f7557 1 {'date': '1338 0', 'user': 'test'}
   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb 0 {'date': '1340 0', 'user': 'test'}
   $ hg rollback -n
   repository tip rolled back to revision 3 (undo debugobsolete)
   $ hg rollback
   repository tip rolled back to revision 3 (undo debugobsolete)
   $ hg debugobsolete
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
   cdbce2fbb16313928851e97e0d85413f3f7eb77f ca819180edb99ed25ceafb3e9584ac287e240b00 0 {'date': '1337 0', 'user': 'test'}
   ca819180edb99ed25ceafb3e9584ac287e240b00 1337133713371337133713371337133713371337 0 {'date': '1338 0', 'user': 'test'}
   1337133713371337133713371337133713371337 5601fb93a350734d935195fee37f4054c529ff39 0 {'date': '1339 0', 'user': 'test'}
   5601fb93a350734d935195fee37f4054c529ff39 6f96419950729f3671185b847352890f074f7557 1 {'date': '1338 0', 'user': 'test'}
 
   $ cd ..
 
 Try to push markers
 
   $ hg init tmpd
   $ hg -R tmpb push tmpd
   pushing to tmpd
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 4 changesets with 4 changes to 4 files (+1 heads)
   $ hg -R tmpd debugobsolete
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
   cdbce2fbb16313928851e97e0d85413f3f7eb77f ca819180edb99ed25ceafb3e9584ac287e240b00 0 {'date': '1337 0', 'user': 'test'}
   ca819180edb99ed25ceafb3e9584ac287e240b00 1337133713371337133713371337133713371337 0 {'date': '1338 0', 'user': 'test'}
   1337133713371337133713371337133713371337 5601fb93a350734d935195fee37f4054c529ff39 0 {'date': '1339 0', 'user': 'test'}
   5601fb93a350734d935195fee37f4054c529ff39 6f96419950729f3671185b847352890f074f7557 1 {'date': '1338 0', 'user': 'test'}
 
 Check obsolete keys are exchanged only if source has an obsolete store
 
   $ hg init empty
   $ hg --config extensions.debugkeys=debugkeys.py -R empty push tmpd
   pushing to tmpd
   no changes found
   listkeys phases
   listkeys bookmarks
   [1]
 
 clone support
 (markers are copied and extinct changesets are included to allow hardlinks)
 
   $ hg clone tmpb clone-dest
   updating to branch default
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg -R clone-dest log -G --hidden
   @  changeset:   6:6f9641995072
   |  tag:         tip
   |  parent:      1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add n3w_3_c
   |
   | x  changeset:   5:5601fb93a350
   |/   parent:      1:7c3bad9141dc
   |    user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     add new_3_c
   |
   | x  changeset:   4:ca819180edb9
   |/   parent:      1:7c3bad9141dc
   |    user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     add new_2_c
   |
   | x  changeset:   3:cdbce2fbb163
   |/   parent:      1:7c3bad9141dc
   |    user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     add new_c
   |
   | o  changeset:   2:245bde4270cd
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     add original_c
   |
   o  changeset:   1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add b
   |
   o  changeset:   0:1f0dee641bb7
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     add a
   
   $ hg -R clone-dest debugobsolete
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
   cdbce2fbb16313928851e97e0d85413f3f7eb77f ca819180edb99ed25ceafb3e9584ac287e240b00 0 {'date': '1337 0', 'user': 'test'}
   ca819180edb99ed25ceafb3e9584ac287e240b00 1337133713371337133713371337133713371337 0 {'date': '1338 0', 'user': 'test'}
   1337133713371337133713371337133713371337 5601fb93a350734d935195fee37f4054c529ff39 0 {'date': '1339 0', 'user': 'test'}
   5601fb93a350734d935195fee37f4054c529ff39 6f96419950729f3671185b847352890f074f7557 1 {'date': '1338 0', 'user': 'test'}
 
 
 Destination repo have existing data
 ---------------------------------------
 
 On pull
 
   $ hg init tmpe
   $ cd tmpe
   $ hg debugobsolete -d '1339 0' 2448244824482448244824482448244824482448 1339133913391339133913391339133913391339
   $ hg pull ../tmpb
   pulling from ../tmpb
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 4 changesets with 4 changes to 4 files (+1 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg debugobsolete
   2448244824482448244824482448244824482448 1339133913391339133913391339133913391339 0 {'date': '1339 0', 'user': 'test'}
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
   cdbce2fbb16313928851e97e0d85413f3f7eb77f ca819180edb99ed25ceafb3e9584ac287e240b00 0 {'date': '1337 0', 'user': 'test'}
   ca819180edb99ed25ceafb3e9584ac287e240b00 1337133713371337133713371337133713371337 0 {'date': '1338 0', 'user': 'test'}
   1337133713371337133713371337133713371337 5601fb93a350734d935195fee37f4054c529ff39 0 {'date': '1339 0', 'user': 'test'}
   5601fb93a350734d935195fee37f4054c529ff39 6f96419950729f3671185b847352890f074f7557 1 {'date': '1338 0', 'user': 'test'}
 
 
 On push
 
   $ hg push ../tmpc
   pushing to ../tmpc
   searching for changes
   no changes found
   [1]
   $ hg -R ../tmpc debugobsolete
   245bde4270cd1072a27757984f9cda8ba26f08ca cdbce2fbb16313928851e97e0d85413f3f7eb77f C {'date': '56 12', 'user': 'test'}
   cdbce2fbb16313928851e97e0d85413f3f7eb77f ca819180edb99ed25ceafb3e9584ac287e240b00 0 {'date': '1337 0', 'user': 'test'}
   ca819180edb99ed25ceafb3e9584ac287e240b00 1337133713371337133713371337133713371337 0 {'date': '1338 0', 'user': 'test'}
   1337133713371337133713371337133713371337 5601fb93a350734d935195fee37f4054c529ff39 0 {'date': '1339 0', 'user': 'test'}
   5601fb93a350734d935195fee37f4054c529ff39 6f96419950729f3671185b847352890f074f7557 1 {'date': '1338 0', 'user': 'test'}
   2448244824482448244824482448244824482448 1339133913391339133913391339133913391339 0 {'date': '1339 0', 'user': 'test'}
 
 detect outgoing obsolete and unstable
 ---------------------------------------
 
 
   $ hg glog
   o  changeset:   3:6f9641995072
   |  tag:         tip
   |  parent:      1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add n3w_3_c
   |
   | o  changeset:   2:245bde4270cd
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     add original_c
   |
   o  changeset:   1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add b
   |
   o  changeset:   0:1f0dee641bb7
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     add a
   
   $ hg up 'desc("n3w_3_c")'
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ mkcommit original_d
   $ mkcommit original_e
   $ hg debugobsolete `getid original_d` -d '0 0'
   $ hg log -r 'obsolete()'
   changeset:   4:94b33453f93b
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add original_d
   
   $ hg glog -r '::unstable()'
   @  changeset:   5:cda648ca50f5
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add original_e
   |
   x  changeset:   4:94b33453f93b
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add original_d
   |
   o  changeset:   3:6f9641995072
   |  parent:      1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add n3w_3_c
   |
   o  changeset:   1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add b
   |
   o  changeset:   0:1f0dee641bb7
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     add a
   
 
 refuse to push obsolete changeset
 
   $ hg push ../tmpc/ -r 'desc("original_d")'
   pushing to ../tmpc/
   searching for changes
   abort: push includes obsolete changeset: 94b33453f93b!
   [255]
 
 refuse to push unstable changeset
 
   $ hg push ../tmpc/
   pushing to ../tmpc/
   searching for changes
   abort: push includes unstable changeset: cda648ca50f5!
   [255]
 
 Test that extinct changeset are properly detected
 
   $ hg log -r 'extinct()'
 
 Don't try to push extinct changeset
 
   $ hg init ../tmpf
   $ hg out  ../tmpf
   comparing with ../tmpf
   searching for changes
   changeset:   0:1f0dee641bb7
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add a
   
   changeset:   1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add b
   
   changeset:   2:245bde4270cd
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add original_c
   
   changeset:   3:6f9641995072
   parent:      1:7c3bad9141dc
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add n3w_3_c
   
   changeset:   4:94b33453f93b
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add original_d
   
   changeset:   5:cda648ca50f5
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add original_e
   
   $ hg push ../tmpf -f # -f because be push unstable too
   pushing to ../tmpf
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 6 changesets with 6 changes to 6 files (+1 heads)
 
 no warning displayed
 
   $ hg push ../tmpf
   pushing to ../tmpf
   searching for changes
   no changes found
   [1]
 
 Do not warn about new head when the new head is a successors of a remote one
 
   $ hg glog
   @  changeset:   5:cda648ca50f5
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add original_e
   |
   x  changeset:   4:94b33453f93b
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add original_d
   |
   o  changeset:   3:6f9641995072
   |  parent:      1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add n3w_3_c
   |
   | o  changeset:   2:245bde4270cd
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     add original_c
   |
   o  changeset:   1:7c3bad9141dc
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     add b
   |
   o  changeset:   0:1f0dee641bb7
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     add a
   
   $ hg up -q 'desc(n3w_3_c)'
   $ mkcommit obsolete_e
   created new head
   $ hg debugobsolete `getid 'original_e'` `getid 'obsolete_e'`
   $ hg outgoing ../tmpf # parasite hg outgoing testin
   comparing with ../tmpf
   searching for changes
   changeset:   6:3de5eca88c00
   tag:         tip
   parent:      3:6f9641995072
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add obsolete_e
   
   $ hg push ../tmpf
   pushing to ../tmpf
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
 
 #if serve
 
 check hgweb does not explode
 ====================================
 
   $ hg unbundle $TESTDIR/bundles/hgweb+obs.hg
   adding changesets
   adding manifests
   adding file changes
   added 62 changesets with 63 changes to 9 files (+60 heads)
   (run 'hg heads .' to see heads, 'hg merge' to merge)
   $ for node in `hg log -r 'desc(babar_)' --template '{node}\n'`;
   > do
   >    hg debugobsolete $node
   > done
   $ hg up tip
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ hg serve -n test -p $HGPORT -d --pid-file=hg.pid -A access.log -E errors.log
   $ cat hg.pid >> $DAEMON_PIDS
 
 check changelog view
 
   $ "$TESTDIR/get-with-headers.py" --headeronly localhost:$HGPORT 'shortlog/'
   200 Script output follows
 
 check graph view
 
   $ "$TESTDIR/get-with-headers.py" --headeronly localhost:$HGPORT 'graph'
   200 Script output follows
 
 check filelog view
 
   $ "$TESTDIR/get-with-headers.py" --headeronly localhost:$HGPORT 'log/'`hg id --debug --id`/'babar'
   200 Script output follows
 
   $ "$TESTDIR/get-with-headers.py" --headeronly localhost:$HGPORT 'rev/68'
   200 Script output follows
   $ "$TESTDIR/get-with-headers.py" --headeronly localhost:$HGPORT 'rev/67'
   404 Not Found
   [1]
 
 check that web.view config option:
 
   $ kill `cat hg.pid`
   $ cat >> .hg/hgrc << EOF
   > [web]
   > view=all
   > EOF
   $ wait
   $ hg serve -n test -p $HGPORT -d --pid-file=hg.pid -A access.log -E errors.log
   $ "$TESTDIR/get-with-headers.py" --headeronly localhost:$HGPORT 'rev/67'
   200 Script output follows
   $ kill `cat hg.pid`
 
 Checking _enable=False warning if obsolete marker exists
 
   $ echo '[extensions]' >> $HGRCPATH
   $ echo "obs=!" >> $HGRCPATH
   $ hg log -r tip
   obsolete feature not enabled but 68 markers found!
   changeset:   68:c15e9edfca13
   tag:         tip
   parent:      7:50c51b361e60
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add celestine
   
 
 reenable for later test
 
   $ echo '[extensions]' >> $HGRCPATH
   $ echo "obs=${TESTTMP}/obs.py" >> $HGRCPATH
 
 #endif
 
 Test incoming/outcoming with changesets obsoleted remotely, known locally
 ===============================================================================
 
 This test issue 3805
 
   $ hg init repo-issue3805
   $ cd repo-issue3805
   $ echo "foo" > foo
   $ hg ci -Am "A"
   adding foo
   $ hg clone . ../other-issue3805
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo "bar" >> foo
   $ hg ci --amend
   $ cd ../other-issue3805
   $ hg log -G
   @  changeset:   0:193e9254ce7e
      tag:         tip
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     A
   
   $ hg log -G -R ../repo-issue3805
   @  changeset:   2:3816541e5485
      tag:         tip
      parent:      -1:000000000000
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     A
   
   $ hg incoming
   comparing with $TESTTMP/tmpe/repo-issue3805
   searching for changes
   changeset:   2:3816541e5485
   tag:         tip
   parent:      -1:000000000000
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     A
   
   $ hg incoming --bundle ../issue3805.hg
   comparing with $TESTTMP/tmpe/repo-issue3805
   searching for changes
   changeset:   2:3816541e5485
   tag:         tip
   parent:      -1:000000000000
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     A
   
   $ hg outgoing
   comparing with $TESTTMP/tmpe/repo-issue3805
   searching for changes
   no changes found
   [1]
 
 #if serve
 
   $ hg serve -R ../repo-issue3805 -n test -p $HGPORT -d --pid-file=hg.pid -A access.log -E errors.log
   $ cat hg.pid >> $DAEMON_PIDS
 
   $ hg incoming http://localhost:$HGPORT
   comparing with http://localhost:$HGPORT/
   searching for changes
   changeset:   1:3816541e5485
   tag:         tip
   parent:      -1:000000000000
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     A
   
   $ hg outgoing http://localhost:$HGPORT
   comparing with http://localhost:$HGPORT/
   searching for changes
   no changes found
   [1]
 
   $ "$TESTDIR/killdaemons.py" $DAEMON_PIDS
 
 #endif
+
+This test issue 3814
+
+(nothing to push but locally hidden changeset)
+
+  $ cd ..
+  $ hg init repo-issue3814
+  $ cd repo-issue3805
+  $ hg push -r 3816541e5485 ../repo-issue3814
+  pushing to ../repo-issue3814
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files
+  $ hg out ../repo-issue3814
+  comparing with ../repo-issue3814
+  searching for changes
+  no changes found
+  [1]
+
+