Mercurial > hg
view mercurial/localrepo.py @ 15292:7fa471248185 stable
discovery: Fix error print mentioning a 'None' branch
When talking to old server discovery use heads of the 'None' branch to refer to
topological heads. This use of None should never make it to the end user.
author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
---|---|
date | Mon, 17 Oct 2011 11:37:59 +0200 |
parents | 7196ed7a1505 |
children | e174353e8cda |
line wrap: on
line source
# localrepo.py - read/write repository class for mercurial # # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> # # 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 bin, hex, nullid, nullrev, short from i18n import _ import repo, changegroup, subrepo, discovery, pushkey import changelog, dirstate, filelog, manifest, context, bookmarks import lock, transaction, store, encoding import scmutil, util, extensions, hook, error, revset import match as matchmod import merge as mergemod import tags as tagsmod from lock import release import weakref, errno, os, time, inspect propertycache = util.propertycache filecache = scmutil.filecache class localrepository(repo.repository): capabilities = set(('lookup', 'changegroupsubset', 'branchmap', 'pushkey', 'known', 'getbundle')) supportedformats = set(('revlogv1', 'generaldelta')) supported = supportedformats | set(('store', 'fncache', 'shared', 'dotencode')) def __init__(self, baseui, path=None, create=False): repo.repository.__init__(self) self.root = os.path.realpath(util.expandpath(path)) self.path = os.path.join(self.root, ".hg") self.origroot = path self.auditor = scmutil.pathauditor(self.root, self._checknested) self.opener = scmutil.opener(self.path) self.wopener = scmutil.opener(self.root) self.baseui = baseui self.ui = baseui.copy() try: self.ui.readconfig(self.join("hgrc"), self.root) extensions.loadall(self.ui) except IOError: pass if not os.path.isdir(self.path): if create: if not os.path.exists(path): util.makedirs(path) util.makedir(self.path, notindexed=True) requirements = ["revlogv1"] if self.ui.configbool('format', 'usestore', True): os.mkdir(os.path.join(self.path, "store")) requirements.append("store") if self.ui.configbool('format', 'usefncache', True): requirements.append("fncache") if self.ui.configbool('format', 'dotencode', True): requirements.append('dotencode') # create an invalid changelog self.opener.append( "00changelog.i", '\0\0\0\2' # represents revlogv2 ' dummy changelog to prevent using the old repo layout' ) if self.ui.configbool('format', 'generaldelta', False): requirements.append("generaldelta") requirements = set(requirements) else: raise error.RepoError(_("repository %s not found") % path) elif create: raise error.RepoError(_("repository %s already exists") % path) else: try: requirements = scmutil.readrequires(self.opener, self.supported) except IOError, inst: if inst.errno != errno.ENOENT: raise requirements = set() self.sharedpath = self.path try: s = os.path.realpath(self.opener.read("sharedpath").rstrip('\n')) if not os.path.exists(s): raise error.RepoError( _('.hg/sharedpath points to nonexistent directory %s') % s) self.sharedpath = s except IOError, inst: if inst.errno != errno.ENOENT: raise self.store = store.store(requirements, self.sharedpath, scmutil.opener) self.spath = self.store.path self.sopener = self.store.opener self.sjoin = self.store.join self.opener.createmode = self.store.createmode self._applyrequirements(requirements) if create: self._writerequirements() self._branchcache = None self._branchcachetip = None self.filterpats = {} self._datafilters = {} self._transref = self._lockref = self._wlockref = None # A cache for various files under .hg/ that tracks file changes, # (used by the filecache decorator) # # Maps a property name to its util.filecacheentry self._filecache = {} def _applyrequirements(self, requirements): self.requirements = requirements openerreqs = set(('revlogv1', 'generaldelta')) self.sopener.options = dict((r, 1) for r in requirements if r in openerreqs) def _writerequirements(self): reqfile = self.opener("requires", "w") for r in self.requirements: reqfile.write("%s\n" % r) reqfile.close() def _checknested(self, path): """Determine if path is a legal nested repository.""" if not path.startswith(self.root): return False subpath = path[len(self.root) + 1:] # XXX: Checking against the current working copy is wrong in # the sense that it can reject things like # # $ hg cat -r 10 sub/x.txt # # if sub/ is no longer a subrepository in the working copy # parent revision. # # However, it can of course also allow things that would have # been rejected before, such as the above cat command if sub/ # is a subrepository now, but was a normal directory before. # The old path auditor would have rejected by mistake since it # panics when it sees sub/.hg/. # # All in all, checking against the working copy seems sensible # since we want to prevent access to nested repositories on # the filesystem *now*. ctx = self[None] parts = util.splitpath(subpath) while parts: prefix = os.sep.join(parts) if prefix in ctx.substate: if prefix == subpath: return True else: sub = ctx.sub(prefix) return sub.checknested(subpath[len(prefix) + 1:]) else: parts.pop() return False @filecache('bookmarks') def _bookmarks(self): return bookmarks.read(self) @filecache('bookmarks.current') def _bookmarkcurrent(self): return bookmarks.readcurrent(self) def _writebookmarks(self, marks): bookmarks.write(self) @filecache('00changelog.i', True) def changelog(self): c = changelog.changelog(self.sopener) if 'HG_PENDING' in os.environ: p = os.environ['HG_PENDING'] if p.startswith(self.root): c.readpending('00changelog.i.a') return c @filecache('00manifest.i', True) def manifest(self): return manifest.manifest(self.sopener) @filecache('dirstate') def dirstate(self): warned = [0] def validate(node): try: self.changelog.rev(node) return node except error.LookupError: if not warned[0]: warned[0] = True self.ui.warn(_("warning: ignoring unknown" " working parent %s!\n") % short(node)) return nullid return dirstate.dirstate(self.opener, self.ui, self.root, validate) def __getitem__(self, changeid): if changeid is None: return context.workingctx(self) return context.changectx(self, changeid) def __contains__(self, changeid): try: return bool(self.lookup(changeid)) except error.RepoLookupError: return False def __nonzero__(self): return True def __len__(self): return len(self.changelog) def __iter__(self): for i in xrange(len(self)): yield i def set(self, expr, *args): ''' Yield a context for each matching revision, after doing arg replacement via revset.formatspec ''' expr = revset.formatspec(expr, *args) m = revset.match(None, expr) for r in m(self, range(len(self))): yield self[r] def url(self): return 'file:' + self.root def hook(self, name, throw=False, **args): return hook.hook(self.ui, self, name, throw, **args) tag_disallowed = ':\r\n' def _tag(self, names, node, message, local, user, date, extra={}): if isinstance(names, str): allchars = names names = (names,) else: allchars = ''.join(names) for c in self.tag_disallowed: if c in allchars: raise util.Abort(_('%r cannot be used in a tag name') % c) branches = self.branchmap() for name in names: self.hook('pretag', throw=True, node=hex(node), tag=name, local=local) if name in branches: self.ui.warn(_("warning: tag %s conflicts with existing" " branch name\n") % name) def writetags(fp, names, munge, prevtags): fp.seek(0, 2) if prevtags and prevtags[-1] != '\n': fp.write('\n') for name in names: m = munge and munge(name) or name if self._tagscache.tagtypes and name in self._tagscache.tagtypes: old = self.tags().get(name, nullid) fp.write('%s %s\n' % (hex(old), m)) fp.write('%s %s\n' % (hex(node), m)) fp.close() prevtags = '' if local: try: fp = self.opener('localtags', 'r+') except IOError: fp = self.opener('localtags', 'a') else: prevtags = fp.read() # local tags are stored in the current charset writetags(fp, names, None, prevtags) for name in names: self.hook('tag', node=hex(node), tag=name, local=local) return try: fp = self.wfile('.hgtags', 'rb+') except IOError, e: if e.errno != errno.ENOENT: raise fp = self.wfile('.hgtags', 'ab') else: prevtags = fp.read() # committed tags are stored in UTF-8 writetags(fp, names, encoding.fromlocal, prevtags) fp.close() if '.hgtags' not in self.dirstate: self[None].add(['.hgtags']) m = matchmod.exact(self.root, '', ['.hgtags']) tagnode = self.commit(message, user, date, extra=extra, match=m) for name in names: self.hook('tag', node=hex(node), tag=name, local=local) return tagnode def tag(self, names, node, message, local, user, date): '''tag a revision with one or more symbolic names. names is a list of strings or, when adding a single tag, names may be a string. if local is True, the tags are stored in a per-repository file. otherwise, they are stored in the .hgtags file, and a new changeset is committed with the change. keyword arguments: local: whether to store tags in non-version-controlled file (default False) message: commit message to use if committing user: name of user to use if committing date: date tuple to use if committing''' if not local: for x in self.status()[:5]: if '.hgtags' in x: raise util.Abort(_('working copy of .hgtags is changed ' '(please commit .hgtags manually)')) self.tags() # instantiate the cache self._tag(names, node, message, local, user, date) @propertycache def _tagscache(self): '''Returns a tagscache object that contains various tags related caches.''' # This simplifies its cache management by having one decorated # function (this one) and the rest simply fetch things from it. class tagscache(object): def __init__(self): # These two define the set of tags for this repository. tags # maps tag name to node; tagtypes maps tag name to 'global' or # 'local'. (Global tags are defined by .hgtags across all # heads, and local tags are defined in .hg/localtags.) # They constitute the in-memory cache of tags. self.tags = self.tagtypes = None self.nodetagscache = self.tagslist = None cache = tagscache() cache.tags, cache.tagtypes = self._findtags() return cache def tags(self): '''return a mapping of tag to node''' return self._tagscache.tags def _findtags(self): '''Do the hard work of finding tags. Return a pair of dicts (tags, tagtypes) where tags maps tag name to node, and tagtypes maps tag name to a string like \'global\' or \'local\'. Subclasses or extensions are free to add their own tags, but should be aware that the returned dicts will be retained for the duration of the localrepo object.''' # XXX what tagtype should subclasses/extensions use? Currently # mq and bookmarks add tags, but do not set the tagtype at all. # Should each extension invent its own tag type? Should there # be one tagtype for all such "virtual" tags? Or is the status # quo fine? alltags = {} # map tag name to (node, hist) tagtypes = {} tagsmod.findglobaltags(self.ui, self, alltags, tagtypes) tagsmod.readlocaltags(self.ui, self, alltags, tagtypes) # Build the return dicts. Have to re-encode tag names because # the tags module always uses UTF-8 (in order not to lose info # writing to the cache), but the rest of Mercurial wants them in # local encoding. tags = {} for (name, (node, hist)) in alltags.iteritems(): if node != nullid: try: # ignore tags to unknown nodes self.changelog.lookup(node) tags[encoding.tolocal(name)] = node except error.LookupError: pass tags['tip'] = self.changelog.tip() tagtypes = dict([(encoding.tolocal(name), value) for (name, value) in tagtypes.iteritems()]) return (tags, tagtypes) def tagtype(self, tagname): ''' return the type of the given tag. result can be: 'local' : a local tag 'global' : a global tag None : tag does not exist ''' return self._tagscache.tagtypes.get(tagname) def tagslist(self): '''return a list of tags ordered by revision''' if not self._tagscache.tagslist: l = [] for t, n in self.tags().iteritems(): r = self.changelog.rev(n) l.append((r, t, n)) self._tagscache.tagslist = [(t, n) for r, t, n in sorted(l)] return self._tagscache.tagslist def nodetags(self, node): '''return the tags associated with a node''' if not self._tagscache.nodetagscache: nodetagscache = {} for t, n in self.tags().iteritems(): nodetagscache.setdefault(n, []).append(t) for tags in nodetagscache.itervalues(): tags.sort() self._tagscache.nodetagscache = nodetagscache return self._tagscache.nodetagscache.get(node, []) def nodebookmarks(self, node): marks = [] for bookmark, n in self._bookmarks.iteritems(): if n == node: marks.append(bookmark) return sorted(marks) def _branchtags(self, partial, lrev): # TODO: rename this function? tiprev = len(self) - 1 if lrev != tiprev: ctxgen = (self[r] for r in xrange(lrev + 1, tiprev + 1)) self._updatebranchcache(partial, ctxgen) self._writebranchcache(partial, self.changelog.tip(), tiprev) return partial def updatebranchcache(self): tip = self.changelog.tip() if self._branchcache is not None and self._branchcachetip == tip: return self._branchcache oldtip = self._branchcachetip self._branchcachetip = tip if oldtip is None or oldtip not in self.changelog.nodemap: partial, last, lrev = self._readbranchcache() else: lrev = self.changelog.rev(oldtip) partial = self._branchcache self._branchtags(partial, lrev) # this private cache holds all heads (not just tips) self._branchcache = partial def branchmap(self): '''returns a dictionary {branch: [branchheads]}''' self.updatebranchcache() return self._branchcache def branchtags(self): '''return a dict where branch names map to the tipmost head of the branch, open heads come before closed''' bt = {} for bn, heads in self.branchmap().iteritems(): tip = heads[-1] for h in reversed(heads): if 'close' not in self.changelog.read(h)[5]: tip = h break bt[bn] = tip return bt def _readbranchcache(self): partial = {} try: f = self.opener("cache/branchheads") lines = f.read().split('\n') f.close() except (IOError, OSError): return {}, nullid, nullrev try: last, lrev = lines.pop(0).split(" ", 1) last, lrev = bin(last), int(lrev) if lrev >= len(self) or self[lrev].node() != last: # invalidate the cache raise ValueError('invalidating branch cache (tip differs)') for l in lines: if not l: continue node, label = l.split(" ", 1) label = encoding.tolocal(label.strip()) partial.setdefault(label, []).append(bin(node)) except KeyboardInterrupt: raise except Exception, inst: if self.ui.debugflag: self.ui.warn(str(inst), '\n') partial, last, lrev = {}, nullid, nullrev return partial, last, lrev def _writebranchcache(self, branches, tip, tiprev): try: f = self.opener("cache/branchheads", "w", atomictemp=True) f.write("%s %s\n" % (hex(tip), tiprev)) for label, nodes in branches.iteritems(): for node in nodes: f.write("%s %s\n" % (hex(node), encoding.fromlocal(label))) f.close() except (IOError, OSError): pass def _updatebranchcache(self, partial, ctxgen): # collect new branch entries newbranches = {} for c in ctxgen: newbranches.setdefault(c.branch(), []).append(c.node()) # if older branchheads are reachable from new ones, they aren't # really branchheads. Note checking parents is insufficient: # 1 (branch a) -> 2 (branch b) -> 3 (branch a) for branch, newnodes in newbranches.iteritems(): bheads = partial.setdefault(branch, []) bheads.extend(newnodes) if len(bheads) <= 1: continue bheads = sorted(bheads, key=lambda x: self[x].rev()) # starting from tip means fewer passes over reachable while newnodes: latest = newnodes.pop() if latest not in bheads: continue minbhrev = self[bheads[0]].node() reachable = self.changelog.reachable(latest, minbhrev) reachable.remove(latest) if reachable: bheads = [b for b in bheads if b not in reachable] partial[branch] = bheads def lookup(self, key): if isinstance(key, int): return self.changelog.node(key) elif key == '.': return self.dirstate.p1() elif key == 'null': return nullid elif key == 'tip': return self.changelog.tip() n = self.changelog._match(key) if n: return n if key in self._bookmarks: return self._bookmarks[key] if key in self.tags(): return self.tags()[key] if key in self.branchtags(): return self.branchtags()[key] n = self.changelog._partialmatch(key) if n: return n # can't find key, check if it might have come from damaged dirstate if key in self.dirstate.parents(): raise error.Abort(_("working directory has unknown parent '%s'!") % short(key)) try: if len(key) == 20: key = hex(key) except TypeError: pass raise error.RepoLookupError(_("unknown revision '%s'") % key) def lookupbranch(self, key, remote=None): repo = remote or self if key in repo.branchmap(): return key repo = (remote and remote.local()) and remote or self return repo[key].branch() def known(self, nodes): nm = self.changelog.nodemap return [(n in nm) for n in nodes] def local(self): return self def join(self, f): return os.path.join(self.path, f) def wjoin(self, f): return os.path.join(self.root, f) def file(self, f): if f[0] == '/': f = f[1:] return filelog.filelog(self.sopener, f) def changectx(self, changeid): return self[changeid] def parents(self, changeid=None): '''get list of changectxs for parents of changeid''' return self[changeid].parents() def filectx(self, path, changeid=None, fileid=None): """changeid can be a changeset revision, node, or tag. fileid can be a file revision or node.""" return context.filectx(self, path, changeid, fileid) def getcwd(self): return self.dirstate.getcwd() def pathto(self, f, cwd=None): return self.dirstate.pathto(f, cwd) def wfile(self, f, mode='r'): return self.wopener(f, mode) def _link(self, f): return os.path.islink(self.wjoin(f)) def _loadfilter(self, filter): if filter not in self.filterpats: l = [] for pat, cmd in self.ui.configitems(filter): if cmd == '!': continue mf = matchmod.match(self.root, '', [pat]) fn = None params = cmd for name, filterfn in self._datafilters.iteritems(): if cmd.startswith(name): fn = filterfn params = cmd[len(name):].lstrip() break if not fn: fn = lambda s, c, **kwargs: util.filter(s, c) # Wrap old filters not supporting keyword arguments if not inspect.getargspec(fn)[2]: oldfn = fn fn = lambda s, c, **kwargs: oldfn(s, c) l.append((mf, fn, params)) self.filterpats[filter] = l return self.filterpats[filter] def _filter(self, filterpats, filename, data): for mf, fn, cmd in filterpats: if mf(filename): self.ui.debug("filtering %s through %s\n" % (filename, cmd)) data = fn(data, cmd, ui=self.ui, repo=self, filename=filename) break return data @propertycache def _encodefilterpats(self): return self._loadfilter('encode') @propertycache def _decodefilterpats(self): return self._loadfilter('decode') def adddatafilter(self, name, filter): self._datafilters[name] = filter def wread(self, filename): if self._link(filename): data = os.readlink(self.wjoin(filename)) else: data = self.wopener.read(filename) return self._filter(self._encodefilterpats, filename, data) def wwrite(self, filename, data, flags): data = self._filter(self._decodefilterpats, filename, data) if 'l' in flags: self.wopener.symlink(data, filename) else: self.wopener.write(filename, data) if 'x' in flags: util.setflags(self.wjoin(filename), False, True) def wwritedata(self, filename, data): return self._filter(self._decodefilterpats, filename, data) def transaction(self, desc): tr = self._transref and self._transref() or None if tr and tr.running(): return tr.nest() # abort here if the journal already exists if os.path.exists(self.sjoin("journal")): raise error.RepoError( _("abandoned transaction found - run hg recover")) journalfiles = self._writejournal(desc) renames = [(x, undoname(x)) for x in journalfiles] tr = transaction.transaction(self.ui.warn, self.sopener, self.sjoin("journal"), aftertrans(renames), self.store.createmode) self._transref = weakref.ref(tr) return tr def _writejournal(self, desc): # save dirstate for rollback try: ds = self.opener.read("dirstate") except IOError: ds = "" self.opener.write("journal.dirstate", ds) self.opener.write("journal.branch", encoding.fromlocal(self.dirstate.branch())) self.opener.write("journal.desc", "%d\n%s\n" % (len(self), desc)) bkname = self.join('bookmarks') if os.path.exists(bkname): util.copyfile(bkname, self.join('journal.bookmarks')) else: self.opener.write('journal.bookmarks', '') return (self.sjoin('journal'), self.join('journal.dirstate'), self.join('journal.branch'), self.join('journal.desc'), self.join('journal.bookmarks')) def recover(self): lock = self.lock() try: if os.path.exists(self.sjoin("journal")): self.ui.status(_("rolling back interrupted transaction\n")) transaction.rollback(self.sopener, self.sjoin("journal"), self.ui.warn) self.invalidate() return True else: self.ui.warn(_("no interrupted transaction available\n")) return False finally: lock.release() def rollback(self, dryrun=False, force=False): wlock = lock = None try: wlock = self.wlock() lock = self.lock() if os.path.exists(self.sjoin("undo")): return self._rollback(dryrun, force) else: self.ui.warn(_("no rollback information available\n")) return 1 finally: release(lock, wlock) def _rollback(self, dryrun, force): ui = self.ui try: args = self.opener.read('undo.desc').splitlines() (oldlen, desc, detail) = (int(args[0]), args[1], None) if len(args) >= 3: detail = args[2] oldtip = oldlen - 1 if detail and ui.verbose: msg = (_('repository tip rolled back to revision %s' ' (undo %s: %s)\n') % (oldtip, desc, detail)) else: msg = (_('repository tip rolled back to revision %s' ' (undo %s)\n') % (oldtip, desc)) except IOError: msg = _('rolling back unknown transaction\n') desc = None if not force and self['.'] != self['tip'] and desc == 'commit': raise util.Abort( _('rollback of last commit while not checked out ' 'may lose data'), hint=_('use -f to force')) ui.status(msg) if dryrun: return 0 parents = self.dirstate.parents() transaction.rollback(self.sopener, self.sjoin('undo'), ui.warn) if os.path.exists(self.join('undo.bookmarks')): util.rename(self.join('undo.bookmarks'), self.join('bookmarks')) self.invalidate() parentgone = (parents[0] not in self.changelog.nodemap or parents[1] not in self.changelog.nodemap) if parentgone: util.rename(self.join('undo.dirstate'), self.join('dirstate')) try: branch = self.opener.read('undo.branch') self.dirstate.setbranch(branch) except IOError: ui.warn(_('named branch could not be reset: ' 'current branch is still \'%s\'\n') % self.dirstate.branch()) self.dirstate.invalidate() self.destroyed() parents = tuple([p.rev() for p in self.parents()]) if len(parents) > 1: ui.status(_('working directory now based on ' 'revisions %d and %d\n') % parents) else: ui.status(_('working directory now based on ' 'revision %d\n') % parents) return 0 def invalidatecaches(self): try: delattr(self, '_tagscache') except AttributeError: pass self._branchcache = None # in UTF-8 self._branchcachetip = None def invalidatedirstate(self): '''Invalidates the dirstate, causing the next call to dirstate to check if it was modified since the last time it was read, rereading it if it has. This is different to dirstate.invalidate() that it doesn't always rereads the dirstate. Use dirstate.invalidate() if you want to explicitly read the dirstate again (i.e. restoring it to a previous known good state).''' try: delattr(self, 'dirstate') except AttributeError: pass def invalidate(self): for k in self._filecache: # dirstate is invalidated separately in invalidatedirstate() if k == 'dirstate': continue try: delattr(self, k) except AttributeError: pass self.invalidatecaches() def _lock(self, lockname, wait, releasefn, acquirefn, desc): try: l = lock.lock(lockname, 0, releasefn, desc=desc) except error.LockHeld, inst: if not wait: raise self.ui.warn(_("waiting for lock on %s held by %r\n") % (desc, inst.locker)) # default to 600 seconds timeout l = lock.lock(lockname, int(self.ui.config("ui", "timeout", "600")), releasefn, desc=desc) if acquirefn: acquirefn() return l def lock(self, wait=True): '''Lock the repository store (.hg/store) and return a weak reference to the lock. Use this before modifying the store (e.g. committing or stripping). If you are opening a transaction, get a lock as well.)''' l = self._lockref and self._lockref() if l is not None and l.held: l.lock() return l def unlock(): self.store.write() for k, ce in self._filecache.items(): if k == 'dirstate': continue ce.refresh() l = self._lock(self.sjoin("lock"), wait, unlock, self.invalidate, _('repository %s') % self.origroot) self._lockref = weakref.ref(l) return l def wlock(self, wait=True): '''Lock the non-store parts of the repository (everything under .hg except .hg/store) and return a weak reference to the lock. Use this before modifying files in .hg.''' l = self._wlockref and self._wlockref() if l is not None and l.held: l.lock() return l def unlock(): self.dirstate.write() ce = self._filecache.get('dirstate') if ce: ce.refresh() l = self._lock(self.join("wlock"), wait, unlock, self.invalidatedirstate, _('working directory of %s') % self.origroot) self._wlockref = weakref.ref(l) return l def _filecommit(self, fctx, manifest1, manifest2, linkrev, tr, changelist): """ commit an individual file as part of a larger transaction """ fname = fctx.path() text = fctx.data() flog = self.file(fname) fparent1 = manifest1.get(fname, nullid) fparent2 = fparent2o = manifest2.get(fname, nullid) meta = {} copy = fctx.renamed() if copy and copy[0] != fname: # Mark the new revision of this file as a copy of another # file. This copy data will effectively act as a parent # of this new revision. If this is a merge, the first # parent will be the nullid (meaning "look up the copy data") # and the second one will be the other parent. For example: # # 0 --- 1 --- 3 rev1 changes file foo # \ / rev2 renames foo to bar and changes it # \- 2 -/ rev3 should have bar with all changes and # should record that bar descends from # bar in rev2 and foo in rev1 # # this allows this merge to succeed: # # 0 --- 1 --- 3 rev4 reverts the content change from rev2 # \ / merging rev3 and rev4 should use bar@rev2 # \- 2 --- 4 as the merge base # cfname = copy[0] crev = manifest1.get(cfname) newfparent = fparent2 if manifest2: # branch merge if fparent2 == nullid or crev is None: # copied on remote side if cfname in manifest2: crev = manifest2[cfname] newfparent = fparent1 # find source in nearest ancestor if we've lost track if not crev: self.ui.debug(" %s: searching for copy revision for %s\n" % (fname, cfname)) for ancestor in self[None].ancestors(): if cfname in ancestor: crev = ancestor[cfname].filenode() break if crev: self.ui.debug(" %s: copy %s:%s\n" % (fname, cfname, hex(crev))) meta["copy"] = cfname meta["copyrev"] = hex(crev) fparent1, fparent2 = nullid, newfparent else: self.ui.warn(_("warning: can't find ancestor for '%s' " "copied from '%s'!\n") % (fname, cfname)) elif fparent2 != nullid: # is one parent an ancestor of the other? fparentancestor = flog.ancestor(fparent1, fparent2) if fparentancestor == fparent1: fparent1, fparent2 = fparent2, nullid elif fparentancestor == fparent2: fparent2 = nullid # is the file changed? if fparent2 != nullid or flog.cmp(fparent1, text) or meta: changelist.append(fname) return flog.add(text, meta, tr, linkrev, fparent1, fparent2) # are just the flags changed during merge? if fparent1 != fparent2o and manifest1.flags(fname) != fctx.flags(): changelist.append(fname) return fparent1 def commit(self, text="", user=None, date=None, match=None, force=False, editor=False, extra={}): """Add a new revision to current repository. Revision information is gathered from the working directory, match can be used to filter the committed files. If editor is supplied, it is called to get a commit message. """ def fail(f, msg): raise util.Abort('%s: %s' % (f, msg)) if not match: match = matchmod.always(self.root, '') if not force: vdirs = [] match.dir = vdirs.append match.bad = fail wlock = self.wlock() try: wctx = self[None] merge = len(wctx.parents()) > 1 if (not force and merge and match and (match.files() or match.anypats())): raise util.Abort(_('cannot partially commit a merge ' '(do not specify files or patterns)')) changes = self.status(match=match, clean=force) if force: changes[0].extend(changes[6]) # mq may commit unchanged files # check subrepos subs = [] removedsubs = set() if '.hgsub' in wctx: # only manage subrepos and .hgsubstate if .hgsub is present for p in wctx.parents(): removedsubs.update(s for s in p.substate if match(s)) for s in wctx.substate: removedsubs.discard(s) if match(s) and wctx.sub(s).dirty(): subs.append(s) if (subs or removedsubs): if (not match('.hgsub') and '.hgsub' in (wctx.modified() + wctx.added())): raise util.Abort( _("can't commit subrepos without .hgsub")) if '.hgsubstate' not in changes[0]: changes[0].insert(0, '.hgsubstate') if '.hgsubstate' in changes[2]: changes[2].remove('.hgsubstate') elif '.hgsub' in changes[2]: # clean up .hgsubstate when .hgsub is removed if ('.hgsubstate' in wctx and '.hgsubstate' not in changes[0] + changes[1] + changes[2]): changes[2].insert(0, '.hgsubstate') if subs and not self.ui.configbool('ui', 'commitsubrepos', True): changedsubs = [s for s in subs if wctx.sub(s).dirty(True)] if changedsubs: raise util.Abort(_("uncommitted changes in subrepo %s") % changedsubs[0]) # make sure all explicit patterns are matched if not force and match.files(): matched = set(changes[0] + changes[1] + changes[2]) for f in match.files(): if f == '.' or f in matched or f in wctx.substate: continue if f in changes[3]: # missing fail(f, _('file not found!')) if f in vdirs: # visited directory d = f + '/' for mf in matched: if mf.startswith(d): break else: fail(f, _("no match under directory!")) elif f not in self.dirstate: fail(f, _("file not tracked!")) if (not force and not extra.get("close") and not merge and not (changes[0] or changes[1] or changes[2]) and wctx.branch() == wctx.p1().branch()): return None ms = mergemod.mergestate(self) for f in changes[0]: if f in ms and ms[f] == 'u': raise util.Abort(_("unresolved merge conflicts " "(see hg help resolve)")) cctx = context.workingctx(self, text, user, date, extra, changes) if editor: cctx._text = editor(self, cctx, subs) edited = (text != cctx._text) # commit subs if subs or removedsubs: state = wctx.substate.copy() for s in sorted(subs): sub = wctx.sub(s) self.ui.status(_('committing subrepository %s\n') % subrepo.subrelpath(sub)) sr = sub.commit(cctx._text, user, date) state[s] = (state[s][0], sr) subrepo.writestate(self, state) # Save commit message in case this transaction gets rolled back # (e.g. by a pretxncommit hook). Leave the content alone on # the assumption that the user will use the same editor again. msgfn = self.savecommitmessage(cctx._text) p1, p2 = self.dirstate.parents() hookp1, hookp2 = hex(p1), (p2 != nullid and hex(p2) or '') try: self.hook("precommit", throw=True, parent1=hookp1, parent2=hookp2) ret = self.commitctx(cctx, True) except: if edited: self.ui.write( _('note: commit message saved in %s\n') % msgfn) raise # update bookmarks, dirstate and mergestate bookmarks.update(self, p1, ret) for f in changes[0] + changes[1]: self.dirstate.normal(f) for f in changes[2]: self.dirstate.drop(f) self.dirstate.setparents(ret) ms.reset() finally: wlock.release() self.hook("commit", node=hex(ret), parent1=hookp1, parent2=hookp2) return ret def commitctx(self, ctx, error=False): """Add a new revision to current repository. Revision information is passed via the context argument. """ tr = lock = None removed = list(ctx.removed()) p1, p2 = ctx.p1(), ctx.p2() user = ctx.user() lock = self.lock() try: tr = self.transaction("commit") trp = weakref.proxy(tr) if ctx.files(): m1 = p1.manifest().copy() m2 = p2.manifest() # check in files new = {} changed = [] linkrev = len(self) for f in sorted(ctx.modified() + ctx.added()): self.ui.note(f + "\n") try: fctx = ctx[f] new[f] = self._filecommit(fctx, m1, m2, linkrev, trp, changed) m1.set(f, fctx.flags()) except OSError, inst: self.ui.warn(_("trouble committing %s!\n") % f) raise except IOError, inst: errcode = getattr(inst, 'errno', errno.ENOENT) if error or errcode and errcode != errno.ENOENT: self.ui.warn(_("trouble committing %s!\n") % f) raise else: removed.append(f) # update manifest m1.update(new) removed = [f for f in sorted(removed) if f in m1 or f in m2] drop = [f for f in removed if f in m1] for f in drop: del m1[f] mn = self.manifest.add(m1, trp, linkrev, p1.manifestnode(), p2.manifestnode(), (new, drop)) files = changed + removed else: mn = p1.manifestnode() files = [] # update changelog self.changelog.delayupdate() n = self.changelog.add(mn, files, ctx.description(), trp, p1.node(), p2.node(), user, ctx.date(), ctx.extra().copy()) p = lambda: self.changelog.writepending() and self.root or "" xp1, xp2 = p1.hex(), p2 and p2.hex() or '' self.hook('pretxncommit', throw=True, node=hex(n), parent1=xp1, parent2=xp2, pending=p) self.changelog.finalize(trp) tr.close() if self._branchcache: self.updatebranchcache() return n finally: if tr: tr.release() lock.release() def destroyed(self): '''Inform the repository that nodes have been destroyed. Intended for use by strip and rollback, so there's a common place for anything that has to be done after destroying history.''' # XXX it might be nice if we could take the list of destroyed # nodes, but I don't see an easy way for rollback() to do that # Ensure the persistent tag cache is updated. Doing it now # means that the tag cache only has to worry about destroyed # heads immediately after a strip/rollback. That in turn # guarantees that "cachetip == currenttip" (comparing both rev # and node) always means no nodes have been added or destroyed. # XXX this is suboptimal when qrefresh'ing: we strip the current # head, refresh the tag cache, then immediately add a new head. # But I think doing it this way is necessary for the "instant # tag cache retrieval" case to work. self.invalidatecaches() def walk(self, match, node=None): ''' walk recursively through the directory tree or a given changeset, finding all files matched by the match function ''' return self[node].walk(match) def status(self, node1='.', node2=None, match=None, ignored=False, clean=False, unknown=False, listsubrepos=False): """return status of files between two nodes or node and working directory If node1 is None, use the first dirstate parent instead. If node2 is None, compare node1 with working directory. """ def mfmatches(ctx): mf = ctx.manifest().copy() for fn in mf.keys(): if not match(fn): del mf[fn] return mf if isinstance(node1, context.changectx): ctx1 = node1 else: ctx1 = self[node1] if isinstance(node2, context.changectx): ctx2 = node2 else: ctx2 = self[node2] working = ctx2.rev() is None parentworking = working and ctx1 == self['.'] match = match or matchmod.always(self.root, self.getcwd()) listignored, listclean, listunknown = ignored, clean, unknown # load earliest manifest first for caching reasons if not working and ctx2.rev() < ctx1.rev(): ctx2.manifest() if not parentworking: def bad(f, msg): if f not in ctx1: self.ui.warn('%s: %s\n' % (self.dirstate.pathto(f), msg)) match.bad = bad if working: # we need to scan the working dir subrepos = [] if '.hgsub' in self.dirstate: subrepos = ctx2.substate.keys() s = self.dirstate.status(match, subrepos, listignored, listclean, listunknown) cmp, modified, added, removed, deleted, unknown, ignored, clean = s # check for any possibly clean files if parentworking and cmp: fixup = [] # do a full compare of any files that might have changed for f in sorted(cmp): if (f not in ctx1 or ctx2.flags(f) != ctx1.flags(f) or ctx1[f].cmp(ctx2[f])): modified.append(f) else: fixup.append(f) # update dirstate for files that are actually clean if fixup: if listclean: clean += fixup try: # updating the dirstate is optional # so we don't wait on the lock wlock = self.wlock(False) try: for f in fixup: self.dirstate.normal(f) finally: wlock.release() except error.LockError: pass if not parentworking: mf1 = mfmatches(ctx1) if working: # we are comparing working dir against non-parent # generate a pseudo-manifest for the working dir mf2 = mfmatches(self['.']) for f in cmp + modified + added: mf2[f] = None mf2.set(f, ctx2.flags(f)) for f in removed: if f in mf2: del mf2[f] else: # we are comparing two revisions deleted, unknown, ignored = [], [], [] mf2 = mfmatches(ctx2) modified, added, clean = [], [], [] for fn in mf2: if fn in mf1: if (fn not in deleted and (mf1.flags(fn) != mf2.flags(fn) or (mf1[fn] != mf2[fn] and (mf2[fn] or ctx1[fn].cmp(ctx2[fn]))))): modified.append(fn) elif listclean: clean.append(fn) del mf1[fn] elif fn not in deleted: added.append(fn) removed = mf1.keys() r = modified, added, removed, deleted, unknown, ignored, clean if listsubrepos: for subpath, sub in subrepo.itersubrepos(ctx1, ctx2): if working: rev2 = None else: rev2 = ctx2.substate[subpath][1] 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.ui.status(_("skipping missing subrepository: %s\n") % subpath) for l in r: l.sort() return r def heads(self, start=None): heads = self.changelog.heads(start) # sort the output in rev descending order return sorted(heads, key=self.changelog.rev, reverse=True) def branchheads(self, branch=None, start=None, closed=False): '''return a (possibly filtered) list of heads for the given branch Heads are returned in topological order, from newest to oldest. If branch is None, use the dirstate branch. If start is not None, return only heads reachable from start. If closed is True, return heads that are marked as closed as well. ''' if branch is None: branch = self[None].branch() branches = self.branchmap() if branch not in branches: return [] # the cache returns heads ordered lowest to highest bheads = list(reversed(branches[branch])) if start is not None: # filter out the heads that cannot be reached from startrev fbheads = set(self.changelog.nodesbetween([start], bheads)[2]) bheads = [h for h in bheads if h in fbheads] if not closed: bheads = [h for h in bheads if ('close' not in self.changelog.read(h)[5])] return bheads def branches(self, nodes): if not nodes: nodes = [self.changelog.tip()] b = [] for n in nodes: t = n while True: p = self.changelog.parents(n) if p[1] != nullid or p[0] == nullid: b.append((t, n, p[0], p[1])) break n = p[0] return b def between(self, pairs): r = [] for top, bottom in pairs: n, l, i = top, [], 0 f = 1 while n != bottom and n != nullid: p = self.changelog.parents(n)[0] if i == f: l.append(n) f = f * 2 n = p i += 1 r.append(l) return r def pull(self, remote, heads=None, force=False): lock = self.lock() try: tmp = discovery.findcommonincoming(self, remote, heads=heads, force=force) common, fetch, rheads = tmp if not fetch: self.ui.status(_("no changes found\n")) result = 0 else: if heads is None and list(common) == [nullid]: self.ui.status(_("requesting all changes\n")) elif heads is None and remote.capable('changegroupsubset'): # issue1320, avoid a race if remote changed after discovery heads = rheads if remote.capable('getbundle'): cg = remote.getbundle('pull', common=common, heads=heads or rheads) elif heads is None: cg = remote.changegroup(fetch, 'pull') elif not remote.capable('changegroupsubset'): raise util.Abort(_("partial pull cannot be done because " "other repository doesn't support " "changegroupsubset.")) else: cg = remote.changegroupsubset(fetch, heads, 'pull') result = self.addchangegroup(cg, 'pull', remote.url(), lock=lock) finally: lock.release() return result def checkpush(self, force, revs): """Extensions can override this function if additional checks have to be performed before pushing, or call it if they override push command. """ pass def push(self, remote, force=False, revs=None, newbranch=False): '''Push outgoing changesets (limited by revs) from the current repository to remote. Return an integer: - 0 means HTTP error *or* nothing to push - 1 means we pushed and remote head count is unchanged *or* we have outgoing changesets but refused to push - other values as described by addchangegroup() ''' # there are two ways to push to remote repo: # # addchangegroup assumes local user can lock remote # repo (local filesystem, old ssh servers). # # unbundle assumes local user cannot lock remote repo (new ssh # servers, http servers). self.checkpush(force, revs) lock = None unbundle = remote.capable('unbundle') if not unbundle: lock = remote.lock() try: cg, remote_heads = discovery.prepush(self, remote, force, revs, newbranch) ret = remote_heads if cg is not None: if unbundle: # local repo finds heads on server, finds out what # revs it must push. once revs transferred, if server # finds it has different heads (someone else won # commit/push race), server aborts. if force: remote_heads = ['force'] # ssh: return remote's addchangegroup() # http: return remote's addchangegroup() or 0 for error ret = remote.unbundle(cg, remote_heads, 'push') else: # we return an integer indicating remote head count change ret = remote.addchangegroup(cg, 'push', self.url(), lock=lock) finally: if lock is not None: lock.release() self.ui.debug("checking for updated bookmarks\n") rb = remote.listkeys('bookmarks') for k in rb.keys(): if k in self._bookmarks: nr, nl = rb[k], hex(self._bookmarks[k]) if nr in self: cr = self[nr] cl = self[nl] if cl in cr.descendants(): r = remote.pushkey('bookmarks', k, nr, nl) if r: self.ui.status(_("updating bookmark %s\n") % k) else: self.ui.warn(_('updating bookmark %s' ' failed!\n') % k) return ret def changegroupinfo(self, nodes, source): if self.ui.verbose or source == 'bundle': self.ui.status(_("%d changesets found\n") % len(nodes)) if self.ui.debugflag: self.ui.debug("list of changesets:\n") for node in nodes: self.ui.debug("%s\n" % hex(node)) def changegroupsubset(self, bases, heads, source): """Compute a changegroup consisting of all the nodes that are descendants of any of the bases and ancestors of any of the heads. Return a chunkbuffer object whose read() method will return successive changegroup chunks. It is fairly complex as determining which filenodes and which manifest nodes need to be included for the changeset to be complete is non-trivial. Another wrinkle is doing the reverse, figuring out which changeset in the changegroup a particular filenode or manifestnode belongs to. """ cl = self.changelog if not bases: bases = [nullid] csets, bases, heads = cl.nodesbetween(bases, heads) # We assume that all ancestors of bases are known common = set(cl.ancestors(*[cl.rev(n) for n in bases])) return self._changegroupsubset(common, csets, heads, source) def getbundle(self, source, heads=None, common=None): """Like changegroupsubset, but returns the set difference between the ancestors of heads and the ancestors common. If heads is None, use the local heads. If common is None, use [nullid]. The nodes in common might not all be known locally due to the way the current discovery protocol works. """ cl = self.changelog if common: nm = cl.nodemap common = [n for n in common if n in nm] else: common = [nullid] if not heads: heads = cl.heads() common, missing = cl.findcommonmissing(common, heads) if not missing: return None return self._changegroupsubset(common, missing, heads, source) def _changegroupsubset(self, commonrevs, csets, heads, source): cl = self.changelog mf = self.manifest mfs = {} # needed manifests fnodes = {} # needed file nodes changedfiles = set() fstate = ['', {}] count = [0] # can we go through the fast path ? heads.sort() if heads == sorted(self.heads()): return self._changegroup(csets, source) # slow path self.hook('preoutgoing', throw=True, source=source) self.changegroupinfo(csets, source) # filter any nodes that claim to be part of the known set def prune(revlog, missing): return [n for n in missing if revlog.linkrev(revlog.rev(n)) not in commonrevs] def lookup(revlog, x): if revlog == cl: c = cl.read(x) changedfiles.update(c[3]) mfs.setdefault(c[0], x) count[0] += 1 self.ui.progress(_('bundling'), count[0], unit=_('changesets'), total=len(csets)) return x elif revlog == mf: clnode = mfs[x] mdata = mf.readfast(x) for f in changedfiles: if f in mdata: fnodes.setdefault(f, {}).setdefault(mdata[f], clnode) count[0] += 1 self.ui.progress(_('bundling'), count[0], unit=_('manifests'), total=len(mfs)) return mfs[x] else: self.ui.progress( _('bundling'), count[0], item=fstate[0], unit=_('files'), total=len(changedfiles)) return fstate[1][x] bundler = changegroup.bundle10(lookup) reorder = self.ui.config('bundle', 'reorder', 'auto') if reorder == 'auto': reorder = None else: reorder = util.parsebool(reorder) def gengroup(): # Create a changenode group generator that will call our functions # back to lookup the owning changenode and collect information. for chunk in cl.group(csets, bundler, reorder=reorder): yield chunk self.ui.progress(_('bundling'), None) # Create a generator for the manifestnodes that calls our lookup # and data collection functions back. count[0] = 0 for chunk in mf.group(prune(mf, mfs), bundler, reorder=reorder): yield chunk self.ui.progress(_('bundling'), None) mfs.clear() # Go through all our files in order sorted by name. count[0] = 0 for fname in sorted(changedfiles): filerevlog = self.file(fname) if not len(filerevlog): raise util.Abort(_("empty or missing revlog for %s") % fname) fstate[0] = fname fstate[1] = fnodes.pop(fname, {}) nodelist = prune(filerevlog, fstate[1]) if nodelist: count[0] += 1 yield bundler.fileheader(fname) for chunk in filerevlog.group(nodelist, bundler, reorder): yield chunk # Signal that no more groups are left. yield bundler.close() self.ui.progress(_('bundling'), None) if csets: self.hook('outgoing', node=hex(csets[0]), source=source) return changegroup.unbundle10(util.chunkbuffer(gengroup()), 'UN') def changegroup(self, basenodes, source): # to avoid a race we use changegroupsubset() (issue1320) return self.changegroupsubset(basenodes, self.heads(), source) def _changegroup(self, nodes, source): """Compute the changegroup of all nodes that we have that a recipient doesn't. Return a chunkbuffer object whose read() method will return successive changegroup chunks. This is much easier than the previous function as we can assume that the recipient has any changenode we aren't sending them. nodes is the set of nodes to send""" cl = self.changelog mf = self.manifest mfs = {} changedfiles = set() fstate = [''] count = [0] self.hook('preoutgoing', throw=True, source=source) self.changegroupinfo(nodes, source) revset = set([cl.rev(n) for n in nodes]) def gennodelst(log): return [log.node(r) for r in log if log.linkrev(r) in revset] def lookup(revlog, x): if revlog == cl: c = cl.read(x) changedfiles.update(c[3]) mfs.setdefault(c[0], x) count[0] += 1 self.ui.progress(_('bundling'), count[0], unit=_('changesets'), total=len(nodes)) return x elif revlog == mf: count[0] += 1 self.ui.progress(_('bundling'), count[0], unit=_('manifests'), total=len(mfs)) return cl.node(revlog.linkrev(revlog.rev(x))) else: self.ui.progress( _('bundling'), count[0], item=fstate[0], total=len(changedfiles), unit=_('files')) return cl.node(revlog.linkrev(revlog.rev(x))) bundler = changegroup.bundle10(lookup) reorder = self.ui.config('bundle', 'reorder', 'auto') if reorder == 'auto': reorder = None else: reorder = util.parsebool(reorder) def gengroup(): '''yield a sequence of changegroup chunks (strings)''' # construct a list of all changed files for chunk in cl.group(nodes, bundler, reorder=reorder): yield chunk self.ui.progress(_('bundling'), None) count[0] = 0 for chunk in mf.group(gennodelst(mf), bundler, reorder=reorder): yield chunk self.ui.progress(_('bundling'), None) count[0] = 0 for fname in sorted(changedfiles): filerevlog = self.file(fname) if not len(filerevlog): raise util.Abort(_("empty or missing revlog for %s") % fname) fstate[0] = fname nodelist = gennodelst(filerevlog) if nodelist: count[0] += 1 yield bundler.fileheader(fname) for chunk in filerevlog.group(nodelist, bundler, reorder): yield chunk yield bundler.close() self.ui.progress(_('bundling'), None) if nodes: self.hook('outgoing', node=hex(nodes[0]), source=source) return changegroup.unbundle10(util.chunkbuffer(gengroup()), 'UN') def addchangegroup(self, source, srctype, url, emptyok=False, lock=None): """Add the changegroup returned by source.read() to this repo. srctype is a string like 'push', 'pull', or 'unbundle'. url is the URL of the repo where this changegroup is coming from. If lock is not None, the function takes ownership of the lock and releases it after the changegroup is added. Return an integer summarizing the change to this repo: - nothing changed or no source: 0 - more heads than before: 1+added heads (2..n) - fewer heads than before: -1-removed heads (-2..-n) - number of heads stays the same: 1 """ def csmap(x): self.ui.debug("add changeset %s\n" % short(x)) return len(cl) def revmap(x): return cl.rev(x) if not source: return 0 self.hook('prechangegroup', throw=True, source=srctype, url=url) changesets = files = revisions = 0 efiles = set() # write changelog data to temp files so concurrent readers will not see # inconsistent view cl = self.changelog cl.delayupdate() oldheads = cl.heads() tr = self.transaction("\n".join([srctype, util.hidepassword(url)])) try: trp = weakref.proxy(tr) # pull off the changeset group self.ui.status(_("adding changesets\n")) clstart = len(cl) class prog(object): step = _('changesets') count = 1 ui = self.ui total = None def __call__(self): self.ui.progress(self.step, self.count, unit=_('chunks'), total=self.total) self.count += 1 pr = prog() source.callback = pr source.changelogheader() if (cl.addgroup(source, csmap, trp) is None and not emptyok): raise util.Abort(_("received changelog group is empty")) clend = len(cl) changesets = clend - clstart for c in xrange(clstart, clend): efiles.update(self[c].files()) efiles = len(efiles) self.ui.progress(_('changesets'), None) # pull off the manifest group self.ui.status(_("adding manifests\n")) pr.step = _('manifests') pr.count = 1 pr.total = changesets # manifests <= changesets # no need to check for empty manifest group here: # if the result of the merge of 1 and 2 is the same in 3 and 4, # no new manifest will be created and the manifest group will # be empty during the pull source.manifestheader() self.manifest.addgroup(source, revmap, trp) self.ui.progress(_('manifests'), None) needfiles = {} if self.ui.configbool('server', 'validate', default=False): # validate incoming csets have their manifests for cset in xrange(clstart, clend): mfest = self.changelog.read(self.changelog.node(cset))[0] mfest = self.manifest.readdelta(mfest) # store file nodes we must see for f, n in mfest.iteritems(): needfiles.setdefault(f, set()).add(n) # process the files self.ui.status(_("adding file changes\n")) pr.step = _('files') pr.count = 1 pr.total = efiles source.callback = None while True: chunkdata = source.filelogheader() if not chunkdata: break f = chunkdata["filename"] self.ui.debug("adding %s revisions\n" % f) pr() fl = self.file(f) o = len(fl) if fl.addgroup(source, revmap, trp) is None: raise util.Abort(_("received file revlog group is empty")) revisions += len(fl) - o files += 1 if f in needfiles: needs = needfiles[f] for new in xrange(o, len(fl)): n = fl.node(new) if n in needs: needs.remove(n) if not needs: del needfiles[f] self.ui.progress(_('files'), None) for f, needs in needfiles.iteritems(): fl = self.file(f) for n in needs: try: fl.rev(n) except error.LookupError: raise util.Abort( _('missing file data for %s:%s - run hg verify') % (f, hex(n))) dh = 0 if oldheads: heads = cl.heads() dh = len(heads) - len(oldheads) for h in heads: if h not in oldheads and 'close' in self[h].extra(): dh -= 1 htext = "" if dh: htext = _(" (%+d heads)") % dh self.ui.status(_("added %d changesets" " with %d changes to %d files%s\n") % (changesets, revisions, files, htext)) if changesets > 0: p = lambda: cl.writepending() and self.root or "" self.hook('pretxnchangegroup', throw=True, node=hex(cl.node(clstart)), source=srctype, url=url, pending=p) # make changelog see real files again cl.finalize(trp) tr.close() finally: tr.release() if lock: lock.release() if changesets > 0: # forcefully update the on-disk branch cache self.ui.debug("updating the branch cache\n") self.updatebranchcache() self.hook("changegroup", node=hex(cl.node(clstart)), source=srctype, url=url) for i in xrange(clstart, clend): self.hook("incoming", node=hex(cl.node(i)), source=srctype, url=url) # never return 0 here: if dh < 0: return dh - 1 else: return dh + 1 def stream_in(self, remote, requirements): lock = self.lock() try: fp = remote.stream_out() l = fp.readline() try: resp = int(l) except ValueError: raise error.ResponseError( _('Unexpected response from remote server:'), l) if resp == 1: raise util.Abort(_('operation forbidden by server')) elif resp == 2: raise util.Abort(_('locking the remote repository failed')) elif resp != 0: raise util.Abort(_('the server sent an unknown error code')) self.ui.status(_('streaming all changes\n')) l = fp.readline() try: total_files, total_bytes = map(int, l.split(' ', 1)) except (ValueError, TypeError): raise error.ResponseError( _('Unexpected response from remote server:'), l) self.ui.status(_('%d files to transfer, %s of data\n') % (total_files, util.bytecount(total_bytes))) start = time.time() for i in xrange(total_files): # XXX doesn't support '\n' or '\r' in filenames l = fp.readline() try: name, size = l.split('\0', 1) size = int(size) except (ValueError, TypeError): raise error.ResponseError( _('Unexpected response from remote server:'), l) self.ui.debug('adding %s (%s)\n' % (name, util.bytecount(size))) # for backwards compat, name was partially encoded ofp = self.sopener(store.decodedir(name), 'w') for chunk in util.filechunkiter(fp, limit=size): ofp.write(chunk) ofp.close() elapsed = time.time() - start if elapsed <= 0: elapsed = 0.001 self.ui.status(_('transferred %s in %.1f seconds (%s/sec)\n') % (util.bytecount(total_bytes), elapsed, util.bytecount(total_bytes / elapsed))) # new requirements = old non-format requirements + new format-related # requirements from the streamed-in repository requirements.update(set(self.requirements) - self.supportedformats) self._applyrequirements(requirements) self._writerequirements() self.invalidate() return len(self.heads()) + 1 finally: lock.release() def clone(self, remote, heads=[], stream=False): '''clone remote repository. keyword arguments: heads: list of revs to clone (forces use of pull) stream: use streaming clone if possible''' # now, all clients that can request uncompressed clones can # read repo formats supported by all servers that can serve # them. # if revlog format changes, client will have to check version # and format flags on "stream" capability, and use # uncompressed only if compatible. if stream and not heads: # 'stream' means remote revlog format is revlogv1 only if remote.capable('stream'): return self.stream_in(remote, set(('revlogv1',))) # otherwise, 'streamreqs' contains the remote revlog format streamreqs = remote.capable('streamreqs') if streamreqs: streamreqs = set(streamreqs.split(',')) # if we support it, stream in and adjust our requirements if not streamreqs - self.supportedformats: return self.stream_in(remote, streamreqs) return self.pull(remote, heads) def pushkey(self, namespace, key, old, new): self.hook('prepushkey', throw=True, namespace=namespace, key=key, old=old, new=new) ret = pushkey.push(self, namespace, key, old, new) self.hook('pushkey', namespace=namespace, key=key, old=old, new=new, ret=ret) return ret def listkeys(self, namespace): self.hook('prelistkeys', throw=True, namespace=namespace) values = pushkey.list(self, namespace) self.hook('listkeys', namespace=namespace, values=values) return values def debugwireargs(self, one, two, three=None, four=None, five=None): '''used to test argument passing over the wire''' return "%s %s %s %s %s" % (one, two, three, four, five) def savecommitmessage(self, text): fp = self.opener('last-message.txt', 'wb') try: fp.write(text) finally: fp.close() return self.pathto(fp.name[len(self.root)+1:]) # used to avoid circular references so destructors work def aftertrans(files): renamefiles = [tuple(t) for t in files] def a(): for src, dest in renamefiles: util.rename(src, dest) return a def undoname(fn): base, name = os.path.split(fn) assert name.startswith('journal') return os.path.join(base, name.replace('journal', 'undo', 1)) def instance(ui, path, create): return localrepository(ui, util.urllocalpath(path), create) def islocal(path): return True