Mercurial > hg
view hgext/convert/hg.py @ 16719:e7bf09acd410
localrepo: add branchtip() method for faster single-branch lookups
For the PyPy repo with 744 branches and 843 branch heads, this brings
hg log -r default over NFS from:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
3249 0 1.3222 1.3222 <open>
3244 0 0.6211 0.6211 <method 'close' of 'file' objects>
3243 0 0.0800 0.0800 <method 'read' of 'file' objects>
3241 0 0.0660 0.0660 <method 'seek' of 'file' objects>
3905 0 0.0476 0.0476 <zlib.decompress>
3281 0 2.6756 0.0472 mercurial.changelog:182(read)
+3281 0 2.5256 0.0453 +mercurial.revlog:881(revision)
+3276 0 0.0389 0.0196 +mercurial.changelog:28(decodeextra)
+6562 0 0.0123 0.0123 +<method 'split' of 'str' objects>
+6562 0 0.0408 0.0073 +mercurial.encoding:61(tolocal)
+3281 0 0.0054 0.0054 +<method 'index' of 'str' objects>
3241 0 2.2464 0.0456 mercurial.revlog:818(_loadchunk)
+3241 0 0.6205 0.6205 +<method 'close' of 'file' objects>
+3241 0 0.0765 0.0765 +<method 'read' of 'file' objects>
+3241 0 0.0660 0.0660 +<method 'seek' of 'file' objects>
+3241 0 1.4209 0.0135 +mercurial.store:374(__call__)
+3241 0 0.0122 0.0107 +mercurial.revlog:810(_addchunk)
3281 0 2.5256 0.0453 mercurial.revlog:881(revision)
+3280 0 0.0175 0.0175 +mercurial.revlog:305(rev)
+3281 0 2.2819 0.0119 +mercurial.revlog:847(_chunkraw)
+3281 0 0.0603 0.0083 +mercurial.revlog:945(_checkhash)
+3281 0 0.0051 0.0051 +mercurial.revlog:349(flags)
+3281 0 0.0040 0.0040 +<mercurial.mpatch.patches>
13682 0 0.0479 0.0248 <method 'decode' of 'str' objects>
+7418 0 0.0228 0.0076 +encodings.utf_8:15(decode)
+1 0 0.0003 0.0000 +encodings:71(search_function)
3248 0 1.3995 0.0246 mercurial.scmutil:218(__call__)
+3248 0 1.3222 1.3222 +<open>
+3248 0 0.0235 0.0184 +os.path:80(split)
+3248 0 0.0084 0.0068 +mercurial.scmutil:92(__call__)
Time: real 2.750 secs (user 0.680+0.000 sys 0.360+0.000)
down to:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
55 31 0.0197 0.0163 <__import__>
+1 0 0.0006 0.0002 +mercurial.context:8(<module>)
+1 0 0.0042 0.0001 +mercurial.revlog:12(<module>)
+1 0 0.0002 0.0001 +mercurial.match:8(<module>)
+1 0 0.0003 0.0001 +mercurial.dirstate:7(<module>)
+1 0 0.0057 0.0001 +mercurial.changelog:8(<module>)
1 0 0.0117 0.0032 mercurial.localrepo:525(_readbranchcache)
+844 0 0.0015 0.0015 +<binascii.unhexlify>
+845 0 0.0010 0.0010 +<method 'split' of 'str' objects>
+843 0 0.0045 0.0009 +mercurial.encoding:61(tolocal)
+843 0 0.0004 0.0004 +<method 'setdefault' of 'dict' objects>
+1 0 0.0003 0.0003 +<method 'close' of 'file' objects>
3 0 0.0029 0.0029 <method 'read' of 'file' objects>
9 0 0.0018 0.0018 <open>
990 0 0.0017 0.0017 <binascii.unhexlify>
53 0 0.0016 0.0016 mercurial.demandimport:43(__init__)
862 0 0.0015 0.0015 <_codecs.utf_8_decode>
862 0 0.0037 0.0014 <method 'decode' of 'str' objects>
+862 0 0.0023 0.0008 +encodings.utf_8:15(decode)
981 0 0.0011 0.0011 <method 'split' of 'str' objects>
861 0 0.0046 0.0009 mercurial.encoding:61(tolocal)
+861 0 0.0037 0.0014 +<method 'decode' of 'str' objects>
862 0 0.0023 0.0008 encodings.utf_8:15(decode)
+862 0 0.0015 0.0015 +<_codecs.utf_8_decode>
4 0 0.0008 0.0008 <method 'close' of 'file' objects>
179 154 0.0202 0.0004 mercurial.demandimport:83(__getattribute__)
+36 11 0.0199 0.0003 +mercurial.demandimport:55(_load)
+72 0 0.0001 0.0001 +mercurial.demandimport:83(__getattribute__)
+36 0 0.0000 0.0000 +<getattr>
1 0 0.0015 0.0004 mercurial.tags:148(_readtagcache)
Time: real 0.060 secs (user 0.030+0.000 sys 0.010+0.000)
author | Brodie Rao <brodie@sf.io> |
---|---|
date | Sun, 13 May 2012 14:04:04 +0200 |
parents | f366d4c2ff34 |
children | 1093ad1e8903 |
line wrap: on
line source
# hg.py - hg backend for convert extension # # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. # Notes for hg->hg conversion: # # * Old versions of Mercurial didn't trim the whitespace from the ends # of commit messages, but new versions do. Changesets created by # those older versions, then converted, may thus have different # hashes for changesets that are otherwise identical. # # * Using "--config convert.hg.saverev=true" will make the source # identifier to be stored in the converted revision. This will cause # the converted revision to have a different identity than the # source. import os, time, cStringIO from mercurial.i18n import _ from mercurial.node import bin, hex, nullid from mercurial import hg, util, context, bookmarks, error from common import NoRepo, commit, converter_source, converter_sink class mercurial_sink(converter_sink): def __init__(self, ui, path): converter_sink.__init__(self, ui, path) self.branchnames = ui.configbool('convert', 'hg.usebranchnames', True) self.clonebranches = ui.configbool('convert', 'hg.clonebranches', False) self.tagsbranch = ui.config('convert', 'hg.tagsbranch', 'default') self.lastbranch = None if os.path.isdir(path) and len(os.listdir(path)) > 0: try: self.repo = hg.repository(self.ui, path) if not self.repo.local(): raise NoRepo(_('%s is not a local Mercurial repository') % path) except error.RepoError, err: ui.traceback() raise NoRepo(err.args[0]) else: try: ui.status(_('initializing destination %s repository\n') % path) self.repo = hg.repository(self.ui, path, create=True) if not self.repo.local(): raise NoRepo(_('%s is not a local Mercurial repository') % path) self.created.append(path) except error.RepoError: ui.traceback() raise NoRepo(_("could not create hg repository %s as sink") % path) self.lock = None self.wlock = None self.filemapmode = False def before(self): self.ui.debug('run hg sink pre-conversion action\n') self.wlock = self.repo.wlock() self.lock = self.repo.lock() def after(self): self.ui.debug('run hg sink post-conversion action\n') if self.lock: self.lock.release() if self.wlock: self.wlock.release() def revmapfile(self): return self.repo.join("shamap") def authorfile(self): return self.repo.join("authormap") def getheads(self): h = self.repo.changelog.heads() return [hex(x) for x in h] def setbranch(self, branch, pbranches): if not self.clonebranches: return setbranch = (branch != self.lastbranch) self.lastbranch = branch if not branch: branch = 'default' pbranches = [(b[0], b[1] and b[1] or 'default') for b in pbranches] pbranch = pbranches and pbranches[0][1] or 'default' branchpath = os.path.join(self.path, branch) if setbranch: self.after() try: self.repo = hg.repository(self.ui, branchpath) except Exception: self.repo = hg.repository(self.ui, branchpath, create=True) self.before() # pbranches may bring revisions from other branches (merge parents) # Make sure we have them, or pull them. missings = {} for b in pbranches: try: self.repo.lookup(b[0]) except Exception: missings.setdefault(b[1], []).append(b[0]) if missings: self.after() for pbranch, heads in missings.iteritems(): pbranchpath = os.path.join(self.path, pbranch) prepo = hg.peer(self.ui, {}, pbranchpath) self.ui.note(_('pulling from %s into %s\n') % (pbranch, branch)) self.repo.pull(prepo, [prepo.lookup(h) for h in heads]) self.before() def _rewritetags(self, source, revmap, data): fp = cStringIO.StringIO() for line in data.splitlines(): s = line.split(' ', 1) if len(s) != 2: continue revid = revmap.get(source.lookuprev(s[0])) if not revid: continue fp.write('%s %s\n' % (revid, s[1])) return fp.getvalue() def putcommit(self, files, copies, parents, commit, source, revmap): files = dict(files) def getfilectx(repo, memctx, f): v = files[f] data, mode = source.getfile(f, v) if f == '.hgtags': data = self._rewritetags(source, revmap, data) return context.memfilectx(f, data, 'l' in mode, 'x' in mode, copies.get(f)) pl = [] for p in parents: if p not in pl: pl.append(p) parents = pl nparents = len(parents) if self.filemapmode and nparents == 1: m1node = self.repo.changelog.read(bin(parents[0]))[0] parent = parents[0] if len(parents) < 2: parents.append(nullid) if len(parents) < 2: parents.append(nullid) p2 = parents.pop(0) text = commit.desc extra = commit.extra.copy() if self.branchnames and commit.branch: extra['branch'] = commit.branch if commit.rev: extra['convert_revision'] = commit.rev while parents: p1 = p2 p2 = parents.pop(0) ctx = context.memctx(self.repo, (p1, p2), text, files.keys(), getfilectx, commit.author, commit.date, extra) self.repo.commitctx(ctx) text = "(octopus merge fixup)\n" p2 = hex(self.repo.changelog.tip()) if self.filemapmode and nparents == 1: man = self.repo.manifest mnode = self.repo.changelog.read(bin(p2))[0] closed = 'close' in commit.extra if not closed and not man.cmp(m1node, man.revision(mnode)): self.ui.status(_("filtering out empty revision\n")) self.repo.rollback(force=True) return parent return p2 def puttags(self, tags): try: parentctx = self.repo[self.tagsbranch] tagparent = parentctx.node() except error.RepoError: parentctx = None tagparent = nullid try: oldlines = sorted(parentctx['.hgtags'].data().splitlines(True)) except Exception: oldlines = [] newlines = sorted([("%s %s\n" % (tags[tag], tag)) for tag in tags]) if newlines == oldlines: return None, None data = "".join(newlines) def getfilectx(repo, memctx, f): return context.memfilectx(f, data, False, False, None) self.ui.status(_("updating tags\n")) date = "%s 0" % int(time.mktime(time.gmtime())) extra = {'branch': self.tagsbranch} ctx = context.memctx(self.repo, (tagparent, None), "update tags", [".hgtags"], getfilectx, "convert-repo", date, extra) self.repo.commitctx(ctx) return hex(self.repo.changelog.tip()), hex(tagparent) def setfilemapmode(self, active): self.filemapmode = active def putbookmarks(self, updatedbookmark): if not len(updatedbookmark): return self.ui.status(_("updating bookmarks\n")) for bookmark in updatedbookmark: self.repo._bookmarks[bookmark] = bin(updatedbookmark[bookmark]) bookmarks.write(self.repo) def hascommit(self, rev): if rev not in self.repo and self.clonebranches: raise util.Abort(_('revision %s not found in destination ' 'repository (lookups with clonebranches=true ' 'are not implemented)') % rev) return rev in self.repo class mercurial_source(converter_source): def __init__(self, ui, path, rev=None): converter_source.__init__(self, ui, path, rev) self.ignoreerrors = ui.configbool('convert', 'hg.ignoreerrors', False) self.ignored = set() self.saverev = ui.configbool('convert', 'hg.saverev', False) try: self.repo = hg.repository(self.ui, path) # try to provoke an exception if this isn't really a hg # repo, but some other bogus compatible-looking url if not self.repo.local(): raise error.RepoError except error.RepoError: ui.traceback() raise NoRepo(_("%s is not a local Mercurial repository") % path) self.lastrev = None self.lastctx = None self._changescache = None self.convertfp = None # Restrict converted revisions to startrev descendants startnode = ui.config('convert', 'hg.startrev') if startnode is not None: try: startnode = self.repo.lookup(startnode) except error.RepoError: raise util.Abort(_('%s is not a valid start revision') % startnode) startrev = self.repo.changelog.rev(startnode) children = {startnode: 1} for rev in self.repo.changelog.descendants(startrev): children[self.repo.changelog.node(rev)] = 1 self.keep = children.__contains__ else: self.keep = util.always def changectx(self, rev): if self.lastrev != rev: self.lastctx = self.repo[rev] self.lastrev = rev return self.lastctx def parents(self, ctx): return [p for p in ctx.parents() if p and self.keep(p.node())] def getheads(self): if self.rev: heads = [self.repo[self.rev].node()] else: heads = self.repo.heads() return [hex(h) for h in heads if self.keep(h)] def getfile(self, name, rev): try: fctx = self.changectx(rev)[name] return fctx.data(), fctx.flags() except error.LookupError, err: raise IOError(err) def getchanges(self, rev): ctx = self.changectx(rev) parents = self.parents(ctx) if not parents: files = sorted(ctx.manifest()) # getcopies() is not needed for roots, but it is a simple way to # detect missing revlogs and abort on errors or populate # self.ignored self.getcopies(ctx, parents, files) return [(f, rev) for f in files if f not in self.ignored], {} if self._changescache and self._changescache[0] == rev: m, a, r = self._changescache[1] else: m, a, r = self.repo.status(parents[0].node(), ctx.node())[:3] # getcopies() detects missing revlogs early, run it before # filtering the changes. copies = self.getcopies(ctx, parents, m + a) changes = [(name, rev) for name in m + a + r if name not in self.ignored] return sorted(changes), copies def getcopies(self, ctx, parents, files): copies = {} for name in files: if name in self.ignored: continue try: copysource, copynode = ctx.filectx(name).renamed() if copysource in self.ignored or not self.keep(copynode): continue # Ignore copy sources not in parent revisions found = False for p in parents: if copysource in p: found = True break if not found: continue copies[name] = copysource except TypeError: pass except error.LookupError, e: if not self.ignoreerrors: raise self.ignored.add(name) self.ui.warn(_('ignoring: %s\n') % e) return copies def getcommit(self, rev): ctx = self.changectx(rev) parents = [p.hex() for p in self.parents(ctx)] if self.saverev: crev = rev else: crev = None return commit(author=ctx.user(), date=util.datestr(ctx.date(), '%Y-%m-%d %H:%M:%S %1%2'), desc=ctx.description(), rev=crev, parents=parents, branch=ctx.branch(), extra=ctx.extra(), sortkey=ctx.rev()) def gettags(self): tags = [t for t in self.repo.tagslist() if t[0] != 'tip'] return dict([(name, hex(node)) for name, node in tags if self.keep(node)]) def getchangedfiles(self, rev, i): ctx = self.changectx(rev) parents = self.parents(ctx) if not parents and i is None: i = 0 changes = [], ctx.manifest().keys(), [] else: i = i or 0 changes = self.repo.status(parents[i].node(), ctx.node())[:3] changes = [[f for f in l if f not in self.ignored] for l in changes] if i == 0: self._changescache = (rev, changes) return changes[0] + changes[1] + changes[2] def converted(self, rev, destrev): if self.convertfp is None: self.convertfp = open(self.repo.join('shamap'), 'a') self.convertfp.write('%s %s\n' % (destrev, rev)) self.convertfp.flush() def before(self): self.ui.debug('run hg source pre-conversion action\n') def after(self): self.ui.debug('run hg source post-conversion action\n') def hasnativeorder(self): return True def lookuprev(self, rev): try: return hex(self.repo.lookup(rev)) except error.RepoError: return None def getbookmarks(self): return bookmarks.listbookmarks(self.repo)