mirror of
https://github.com/facebook/sapling.git
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d03f2d26c2
Summary: The upstream has removed it in https://phab.mercurial-scm.org/D2393. Do the same. The deleted C++ code seems to leak `Py_False` if `usemanifestv2` is not set. Reviewed By: singhsrb Differential Revision: D14611525 fbshipit-source-id: d828526c31aaa861d100a846bba79d1f5898e245
2630 lines
94 KiB
Python
2630 lines
94 KiB
Python
# localrepo.py - read/write repository class for mercurial
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#
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import errno
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import hashlib
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import inspect
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import os
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import random
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import time
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import weakref
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from . import (
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bookmarks,
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branchmap,
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bundle2,
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changegroup,
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changelog,
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color,
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connectionpool,
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context,
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dirstate,
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dirstateguard,
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discovery,
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edenfs,
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encoding,
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error,
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exchange,
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extensions,
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filelog,
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hook,
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lock as lockmod,
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manifest,
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match as matchmod,
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merge as mergemod,
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mergeutil,
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mutation,
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namespaces,
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obsolete,
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pathutil,
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peer,
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phases,
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pushkey,
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pycompat,
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repository,
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repoview,
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revset,
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revsetlang,
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scmutil,
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store,
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tags as tagsmod,
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transaction,
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treestate,
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txnutil,
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util,
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vfs as vfsmod,
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visibility,
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)
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from .i18n import _
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from .node import hex, nullid, short
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release = lockmod.release
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urlerr = util.urlerr
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urlreq = util.urlreq
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# set of (path, vfs-location) tuples. vfs-location is:
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# - 'plain for vfs relative paths
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# - '' for svfs relative paths
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_cachedfiles = set()
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try:
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xrange(0)
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except NameError:
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xrange = range
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class _basefilecache(scmutil.filecache):
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"""All filecache usage on repo are done for logic that should be unfiltered
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"""
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def __get__(self, repo, type=None):
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if repo is None:
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return self
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return super(_basefilecache, self).__get__(repo.unfiltered(), type)
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def __set__(self, repo, value):
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return super(_basefilecache, self).__set__(repo.unfiltered(), value)
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def __delete__(self, repo):
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return super(_basefilecache, self).__delete__(repo.unfiltered())
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class repofilecache(_basefilecache):
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"""filecache for files in .hg but outside of .hg/store"""
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def __init__(self, localpaths=(), sharedpaths=()):
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paths = [(path, self.localjoin) for path in localpaths] + [
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(path, self.sharedjoin) for path in sharedpaths
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]
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super(repofilecache, self).__init__(*paths)
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for path in localpaths:
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_cachedfiles.add((path, "local"))
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for path in sharedpaths:
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_cachedfiles.add((path, "shared"))
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def localjoin(self, obj, fname):
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return obj.localvfs.join(fname)
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def sharedjoin(self, obj, fname):
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return obj.sharedvfs.join(fname)
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class storecache(_basefilecache):
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"""filecache for files in the store"""
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def __init__(self, *paths):
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super(storecache, self).__init__(*paths)
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for path in paths:
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_cachedfiles.add((path, ""))
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def join(self, obj, fname):
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return obj.sjoin(fname)
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def isfilecached(repo, name):
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"""check if a repo has already cached "name" filecache-ed property
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This returns (cachedobj-or-None, iscached) tuple.
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"""
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cacheentry = repo.unfiltered()._filecache.get(name, None)
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if not cacheentry:
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return None, False
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return cacheentry.obj, True
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class unfilteredpropertycache(util.propertycache):
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"""propertycache that apply to unfiltered repo only"""
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def __get__(self, repo, type=None):
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unfi = repo.unfiltered()
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if unfi is repo:
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return super(unfilteredpropertycache, self).__get__(unfi)
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return getattr(unfi, self.name)
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class filteredpropertycache(util.propertycache):
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"""propertycache that must take filtering in account"""
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def cachevalue(self, obj, value):
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object.__setattr__(obj, self.name, value)
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def hasunfilteredcache(repo, name):
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"""check if a repo has an unfilteredpropertycache value for <name>"""
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return name in vars(repo.unfiltered())
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def unfilteredmethod(orig):
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"""decorate method that always need to be run on unfiltered version"""
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def wrapper(repo, *args, **kwargs):
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return orig(repo.unfiltered(), *args, **kwargs)
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return wrapper
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moderncaps = {"lookup", "branchmap", "pushkey", "known", "getbundle", "unbundle"}
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legacycaps = moderncaps.union({"changegroupsubset"})
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class localpeer(repository.peer):
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"""peer for a local repo; reflects only the most recent API"""
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def __init__(self, repo, caps=None):
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super(localpeer, self).__init__()
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if caps is None:
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caps = moderncaps.copy()
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self._repo = repo.filtered("served")
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self._ui = repo.ui
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self._caps = repo._restrictcapabilities(caps)
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# Begin of _basepeer interface.
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@util.propertycache
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def ui(self):
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return self._ui
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def url(self):
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return self._repo.url()
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def local(self):
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return self._repo
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def peer(self):
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return self
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def canpush(self):
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return True
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def close(self):
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self._repo.close()
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# End of _basepeer interface.
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# Begin of _basewirecommands interface.
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def branchmap(self):
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return self._repo.branchmap()
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def capabilities(self):
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return self._caps
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def debugwireargs(self, one, two, three=None, four=None, five=None):
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"""Used to test argument passing over the wire"""
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return "%s %s %s %s %s" % (one, two, three, four, five)
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def getbundle(self, source, heads=None, common=None, bundlecaps=None, **kwargs):
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chunks = exchange.getbundlechunks(
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self._repo,
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source,
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heads=heads,
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common=common,
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bundlecaps=bundlecaps,
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**kwargs
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)
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cb = util.chunkbuffer(chunks)
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if exchange.bundle2requested(bundlecaps):
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# When requesting a bundle2, getbundle returns a stream to make the
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# wire level function happier. We need to build a proper object
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# from it in local peer.
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return bundle2.getunbundler(self.ui, cb)
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else:
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return changegroup.getunbundler("01", cb, None)
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def heads(self):
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return self._repo.heads()
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def known(self, nodes):
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return self._repo.known(nodes)
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def listkeys(self, namespace):
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return self._repo.listkeys(namespace)
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def lookup(self, key):
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return self._repo.lookup(key)
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def pushkey(self, namespace, key, old, new):
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return self._repo.pushkey(namespace, key, old, new)
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def stream_out(self):
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raise error.Abort(_("cannot perform stream clone against local " "peer"))
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def unbundle(self, cg, heads, url):
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"""apply a bundle on a repo
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This function handles the repo locking itself."""
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try:
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try:
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cg = exchange.readbundle(self.ui, cg, None)
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ret = exchange.unbundle(self._repo, cg, heads, "push", url)
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if util.safehasattr(ret, "getchunks"):
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# This is a bundle20 object, turn it into an unbundler.
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# This little dance should be dropped eventually when the
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# API is finally improved.
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stream = util.chunkbuffer(ret.getchunks())
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ret = bundle2.getunbundler(self.ui, stream)
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return ret
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except Exception as exc:
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# If the exception contains output salvaged from a bundle2
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# reply, we need to make sure it is printed before continuing
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# to fail. So we build a bundle2 with such output and consume
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# it directly.
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#
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# This is not very elegant but allows a "simple" solution for
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# issue4594
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output = getattr(exc, "_bundle2salvagedoutput", ())
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if output:
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bundler = bundle2.bundle20(self._repo.ui)
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for out in output:
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bundler.addpart(out)
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stream = util.chunkbuffer(bundler.getchunks())
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b = bundle2.getunbundler(self.ui, stream)
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bundle2.processbundle(self._repo, b)
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raise
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except error.PushRaced as exc:
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raise error.ResponseError(_("push failed:"), str(exc))
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# End of _basewirecommands interface.
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# Begin of peer interface.
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def iterbatch(self):
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return peer.localiterbatcher(self)
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# End of peer interface.
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class locallegacypeer(repository.legacypeer, localpeer):
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"""peer extension which implements legacy methods too; used for tests with
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restricted capabilities"""
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def __init__(self, repo):
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super(locallegacypeer, self).__init__(repo, caps=legacycaps)
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# Begin of baselegacywirecommands interface.
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def between(self, pairs):
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return self._repo.between(pairs)
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def branches(self, nodes):
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return self._repo.branches(nodes)
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def changegroup(self, basenodes, source):
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outgoing = discovery.outgoing(
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self._repo, missingroots=basenodes, missingheads=self._repo.heads()
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)
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return changegroup.makechangegroup(self._repo, outgoing, "01", source)
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def changegroupsubset(self, bases, heads, source):
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outgoing = discovery.outgoing(
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self._repo, missingroots=bases, missingheads=heads
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)
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return changegroup.makechangegroup(self._repo, outgoing, "01", source)
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# End of baselegacywirecommands interface.
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class localrepository(object):
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"""local repository object
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``unsafe.wvfsauditorcache`` config option allows the user to enable
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the auditor caching for the repo's working copy. This significantly
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reduces the amount of stat-like system calls and thus saves time.
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This option should be safe if symlinks are not used in the repo"""
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supportedformats = {"revlogv1", "generaldelta", "treemanifest"}
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_basesupported = supportedformats | {
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edenfs.requirement,
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"store",
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"fncache",
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"shared",
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"relshared",
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"dotencode",
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"treedirstate",
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"treestate",
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"storerequirements",
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}
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_basestoresupported = {"visibleheads"}
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openerreqs = {"revlogv1", "generaldelta", "treemanifest"}
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# sets of (ui, featureset) functions for repo and store features.
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# only functions defined in module of enabled extensions are invoked
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featuresetupfuncs = set()
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storefeaturesetupfuncs = set()
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# list of prefix for file which can be written without 'wlock'
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# Extensions should extend this list when needed
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_wlockfreeprefix = {
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# We migh consider requiring 'wlock' for the next
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# two, but pretty much all the existing code assume
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# wlock is not needed so we keep them excluded for
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# now.
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"hgrc",
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"requires",
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# XXX cache is a complicatged business someone
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# should investigate this in depth at some point
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"cache/",
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# XXX shouldn't be dirstate covered by the wlock?
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"dirstate",
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# XXX bisect was still a bit too messy at the time
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# this changeset was introduced. Someone should fix
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# the remainig bit and drop this line
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"bisect.state",
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}
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# Set of prefixes of store files which can be written without 'lock'.
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# Extensions should extend this set when necessary.
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_lockfreeprefix = set()
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def __init__(self, baseui, path, create=False):
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self.requirements = set()
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self.storerequirements = set()
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self.filtername = None
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# wvfs: rooted at the repository root, used to access the working copy
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self.wvfs = vfsmod.vfs(path, expandpath=True, realpath=True, cacheaudited=False)
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# localvfs: rooted at .hg, used to access repo files outside of
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# the store that are local to this working copy.
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self.localvfs = None
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# sharedvfs: the local vfs of the primary shared repo for shared repos.
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# for non-shared repos this is the same as localvfs.
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self.sharedvfs = None
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# svfs: store vfs - usually rooted at .hg/store, used to access repository history
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# If this is a shared repository, this vfs may point to another
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# repository's .hg/store directory.
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self.svfs = None
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self.root = self.wvfs.base
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self.path = self.wvfs.join(".hg")
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self.origroot = path
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# This is only used by context.workingctx.match in order to
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# detect files in forbidden paths.
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self.auditor = pathutil.pathauditor(self.root)
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# This is only used by context.basectx.match in order to detect
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# files in forbidden paths..
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self.nofsauditor = pathutil.pathauditor(self.root, realfs=False, cached=True)
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self.baseui = baseui
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self.ui = baseui.copy()
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self.ui.copy = baseui.copy # prevent copying repo configuration
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self.localvfs = vfsmod.vfs(self.path, cacheaudited=True)
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if self.ui.configbool("devel", "all-warnings") or self.ui.configbool(
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"devel", "check-locks"
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):
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self.localvfs.audit = self._getvfsward(self.localvfs.audit)
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# A list of callback to shape the phase if no data were found.
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# Callback are in the form: func(repo, roots) --> processed root.
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# This list it to be filled by extension during repo setup
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self._phasedefaults = []
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try:
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self.ui.readconfig(self.localvfs.join("hgrc"), self.root)
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self._loadextensions()
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except IOError:
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pass
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cacheaudited = self.ui.configbool("unsafe", "wvfsauditorcache")
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self.wvfs.audit._cached = cacheaudited
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self.supported = self._featuresetup(self.featuresetupfuncs, self._basesupported)
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self.storesupported = self._featuresetup(
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self.storefeaturesetupfuncs, self._basestoresupported
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)
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color.setup(self.ui)
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# Add compression engines.
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for name in util.compengines:
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engine = util.compengines[name]
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if engine.revlogheader():
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self.supported.add("exp-compression-%s" % name)
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if not self.localvfs.isdir():
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if create:
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self.requirements = newreporequirements(self)
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if "store" in self.requirements:
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self.storerequirements = newrepostorerequirements(self)
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if not self.wvfs.exists():
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self.wvfs.makedirs()
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self.localvfs.makedir(notindexed=True)
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if "store" in self.requirements:
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self.localvfs.mkdir("store")
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# create an invalid changelog
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self.localvfs.append(
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"00changelog.i",
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"\0\0\0\1"
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" dummy changelog to prevent using the old repo layout",
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)
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else:
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raise error.RepoError(_("repository %s not found") % path)
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elif create:
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raise error.RepoError(_("repository %s already exists") % path)
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else:
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try:
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self.requirements = scmutil.readrequires(self.localvfs, self.supported)
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except IOError as inst:
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if inst.errno != errno.ENOENT:
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raise
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cachepath = self.localvfs.join("cache")
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self.sharedpath = self.path
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self.sharedroot = self.root
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try:
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sharedpath = self.localvfs.read("sharedpath").rstrip("\n")
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if "relshared" in self.requirements:
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sharedpath = self.localvfs.join(sharedpath)
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sharedvfs = vfsmod.vfs(sharedpath, realpath=True)
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cachepath = sharedvfs.join("cache")
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s = sharedvfs.base
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if not sharedvfs.exists():
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raise error.RepoError(
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_(".hg/sharedpath points to nonexistent directory %s") % s
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)
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self.sharedpath = s
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self.sharedroot = sharedvfs.dirname(s)
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self.sharedvfs = sharedvfs
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# Read the requirements of the shared repo to make sure we
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# support them.
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try:
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scmutil.readrequires(self.sharedvfs, self.supported)
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except IOError as inst:
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if inst.errno != errno.ENOENT:
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raise
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self.sharedvfs.audit = self._getvfsward(self.sharedvfs.audit)
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except IOError as inst:
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if inst.errno != errno.ENOENT:
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raise
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self.sharedvfs = self.localvfs
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self.store = store.store(
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self.requirements,
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self.sharedpath,
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lambda base: vfsmod.vfs(base, cacheaudited=True),
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)
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self.spath = self.store.path
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self.svfs = self.store.vfs
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self.sjoin = self.store.join
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self.localvfs.createmode = self.store.createmode
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self.sharedvfs.createmode = self.store.createmode
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self.cachevfs = vfsmod.vfs(cachepath, cacheaudited=True)
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self.cachevfs.createmode = self.store.createmode
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if self.ui.configbool("devel", "all-warnings") or self.ui.configbool(
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"devel", "check-locks"
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):
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if util.safehasattr(self.svfs, "vfs"): # this is filtervfs
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self.svfs.vfs.audit = self._getsvfsward(self.svfs.vfs.audit)
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else: # standard vfs
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self.svfs.audit = self._getsvfsward(self.svfs.audit)
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self._applyopenerreqs()
|
|
if not create and "store" in self.requirements:
|
|
try:
|
|
self.storerequirements = scmutil.readrequires(
|
|
self.svfs, self.storesupported
|
|
)
|
|
except IOError as inst:
|
|
if inst.errno != errno.ENOENT:
|
|
raise
|
|
if create:
|
|
self._writerequirements()
|
|
self._writestorerequirements()
|
|
|
|
self._dirstatevalidatewarned = False
|
|
|
|
self._branchcaches = {}
|
|
self.filterpats = {}
|
|
self._datafilters = {}
|
|
self._transref = self._lockref = self._wlockref = None
|
|
|
|
self.connectionpool = connectionpool.connectionpool(self)
|
|
|
|
# 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 = {}
|
|
|
|
# hold sets of revision to be filtered
|
|
# should be cleared when something might have changed the filter value:
|
|
# - new changesets,
|
|
# - phase change,
|
|
# - new obsolescence marker,
|
|
# - working directory parent change,
|
|
# - bookmark changes
|
|
self.filteredrevcache = {}
|
|
|
|
# post-dirstate-status hooks
|
|
self._postdsstatus = []
|
|
|
|
# generic mapping between names and nodes
|
|
self.names = namespaces.namespaces(self)
|
|
|
|
@property
|
|
def vfs(self):
|
|
self.ui.develwarn(
|
|
"use of bare vfs instead of localvfs or sharedvfs", stacklevel=1
|
|
)
|
|
return self.localvfs
|
|
|
|
def _getvfsward(self, origfunc):
|
|
"""build a ward for self.localvfs and self.sharedvfs"""
|
|
rref = weakref.ref(self)
|
|
|
|
def checkvfs(path, mode=None):
|
|
ret = origfunc(path, mode=mode)
|
|
repo = rref()
|
|
if (
|
|
repo is None
|
|
or not util.safehasattr(repo, "_wlockref")
|
|
or not util.safehasattr(repo, "_lockref")
|
|
):
|
|
return
|
|
if mode in (None, "r", "rb"):
|
|
return
|
|
if path.startswith(repo.path):
|
|
# truncate name relative to the repository (.hg)
|
|
path = path[len(repo.path) + 1 :]
|
|
if path.startswith("cache/"):
|
|
msg = 'accessing cache with vfs instead of cachevfs: "%s"'
|
|
repo.ui.develwarn(msg % path, stacklevel=2, config="cache-vfs")
|
|
if path.startswith("journal."):
|
|
# journal is covered by 'lock'
|
|
if repo._currentlock(repo._lockref) is None:
|
|
repo.ui.develwarn(
|
|
'write with no lock: "%s"' % path,
|
|
stacklevel=2,
|
|
config="check-locks",
|
|
)
|
|
elif repo._currentlock(repo._wlockref) is None:
|
|
# rest of vfs files are covered by 'wlock'
|
|
#
|
|
# exclude special files
|
|
for prefix in self._wlockfreeprefix:
|
|
if path.startswith(prefix):
|
|
return
|
|
repo.ui.develwarn(
|
|
'write with no wlock: "%s"' % path,
|
|
stacklevel=2,
|
|
config="check-locks",
|
|
)
|
|
return ret
|
|
|
|
return checkvfs
|
|
|
|
def _getsvfsward(self, origfunc):
|
|
"""build a ward for self.svfs"""
|
|
rref = weakref.ref(self)
|
|
|
|
def checksvfs(path, mode=None):
|
|
ret = origfunc(path, mode=mode)
|
|
repo = rref()
|
|
if repo is None or not util.safehasattr(repo, "_lockref"):
|
|
return
|
|
if mode in (None, "r", "rb"):
|
|
return
|
|
if path.startswith(repo.sharedpath):
|
|
# truncate name relative to the repository (.hg)
|
|
path = path[len(repo.sharedpath) + 1 :]
|
|
if repo._currentlock(repo._lockref) is None:
|
|
for prefix in self._lockfreeprefix:
|
|
if path.startswith(prefix):
|
|
return
|
|
repo.ui.develwarn('write with no lock: "%s"' % path, stacklevel=3)
|
|
return ret
|
|
|
|
return checksvfs
|
|
|
|
def _featuresetup(self, setupfuncs, basesupported):
|
|
if setupfuncs:
|
|
supported = set(basesupported) # use private copy
|
|
extmods = set(m.__name__ for n, m in extensions.extensions(self.ui))
|
|
for setupfunc in setupfuncs:
|
|
if setupfunc.__module__ in extmods:
|
|
setupfunc(self.ui, supported)
|
|
else:
|
|
supported = basesupported
|
|
return supported
|
|
|
|
@unfilteredmethod
|
|
def close(self):
|
|
if util.safehasattr(self, "connectionpool"):
|
|
self.connectionpool.close()
|
|
|
|
self.commitpending()
|
|
|
|
@unfilteredmethod
|
|
def commitpending(self):
|
|
# If we have any pending manifests, commit them to disk.
|
|
if "manifestlog" in self.__dict__:
|
|
self.manifestlog.commitpending()
|
|
|
|
if "fileslog" in self.__dict__:
|
|
self.fileslog.commitpending()
|
|
|
|
def _loadextensions(self):
|
|
extensions.loadall(self.ui)
|
|
|
|
def _restrictcapabilities(self, caps):
|
|
if self.ui.configbool("experimental", "bundle2-advertise"):
|
|
caps = set(caps)
|
|
capsblob = bundle2.encodecaps(bundle2.getrepocaps(self))
|
|
caps.add("bundle2=" + urlreq.quote(capsblob))
|
|
return caps
|
|
|
|
def _applyopenerreqs(self):
|
|
self.svfs.options = dict(
|
|
(r, 1) for r in self.requirements if r in self.openerreqs
|
|
)
|
|
# experimental config: format.chunkcachesize
|
|
chunkcachesize = self.ui.configint("format", "chunkcachesize")
|
|
if chunkcachesize is not None:
|
|
self.svfs.options["chunkcachesize"] = chunkcachesize
|
|
# experimental config: format.maxchainlen
|
|
maxchainlen = self.ui.configint("format", "maxchainlen")
|
|
if maxchainlen is not None:
|
|
self.svfs.options["maxchainlen"] = maxchainlen
|
|
# experimental config: format.manifestcachesize
|
|
manifestcachesize = self.ui.configint("format", "manifestcachesize")
|
|
if manifestcachesize is not None:
|
|
self.svfs.options["manifestcachesize"] = manifestcachesize
|
|
# experimental config: format.aggressivemergedeltas
|
|
aggressivemergedeltas = self.ui.configbool("format", "aggressivemergedeltas")
|
|
self.svfs.options["aggressivemergedeltas"] = aggressivemergedeltas
|
|
self.svfs.options["lazydeltabase"] = not scmutil.gddeltaconfig(self.ui)
|
|
mmapindexthreshold = self.ui.configbytes("experimental", "mmapindexthreshold")
|
|
if mmapindexthreshold is not None:
|
|
self.svfs.options["mmapindexthreshold"] = mmapindexthreshold
|
|
withsparseread = self.ui.configbool("experimental", "sparse-read")
|
|
srdensitythres = float(
|
|
self.ui.config("experimental", "sparse-read.density-threshold")
|
|
)
|
|
srmingapsize = self.ui.configbytes("experimental", "sparse-read.min-gap-size")
|
|
self.svfs.options["with-sparse-read"] = withsparseread
|
|
self.svfs.options["sparse-read-density-threshold"] = srdensitythres
|
|
self.svfs.options["sparse-read-min-gap-size"] = srmingapsize
|
|
|
|
for r in self.requirements:
|
|
if r.startswith("exp-compression-"):
|
|
self.svfs.options["compengine"] = r[len("exp-compression-") :]
|
|
|
|
treemanifestserver = self.ui.configbool("treemanifest", "server")
|
|
self.svfs.options["treemanifest-server"] = treemanifestserver
|
|
|
|
def _writerequirements(self):
|
|
scmutil.writerequires(self.localvfs, self.requirements)
|
|
|
|
def _writestorerequirements(self):
|
|
if "store" in self.requirements:
|
|
scmutil.writerequires(self.svfs, self.storerequirements)
|
|
|
|
def peer(self):
|
|
return localpeer(self) # not cached to avoid reference cycle
|
|
|
|
def unfiltered(self):
|
|
"""Return unfiltered version of the repository
|
|
|
|
Intended to be overwritten by filtered repo."""
|
|
return self
|
|
|
|
def filtered(self, name):
|
|
"""Return a filtered version of a repository"""
|
|
cls = repoview.newtype(self.unfiltered().__class__)
|
|
return cls(self, name)
|
|
|
|
@repofilecache(localpaths=["shared"])
|
|
def sharedfeatures(self):
|
|
"""Returns the set of enabled 'shared' features for this repo"""
|
|
try:
|
|
return set(self.localvfs.read("shared").splitlines())
|
|
except IOError as inst:
|
|
if inst.errno != errno.ENOENT:
|
|
raise
|
|
return set()
|
|
|
|
@repofilecache(
|
|
sharedpaths=["bookmarks"], localpaths=["bookmarks", "bookmarks.current"]
|
|
)
|
|
def _bookmarks(self):
|
|
return bookmarks.bmstore(self)
|
|
|
|
@property
|
|
def _activebookmark(self):
|
|
return self._bookmarks.active
|
|
|
|
@property
|
|
def _hassharedbookmarks(self):
|
|
"""Returns whether this repo has shared bookmarks"""
|
|
return "bookmarks" in self.sharedfeatures
|
|
|
|
# _phasesets depend on changelog. what we need is to call
|
|
# _phasecache.invalidate() if '00changelog.i' was changed, but it
|
|
# can't be easily expressed in filecache mechanism.
|
|
@storecache("phaseroots", "00changelog.i")
|
|
def _phasecache(self):
|
|
return phases.phasecache(self, self._phasedefaults)
|
|
|
|
@storecache("visibleheads")
|
|
def _visibleheads(self):
|
|
return visibility.makevisibleheads(self.ui, self)
|
|
|
|
@storecache("obsstore")
|
|
def obsstore(self):
|
|
return obsolete.makestore(self.ui, self)
|
|
|
|
@storecache("00changelog.i")
|
|
def changelog(self):
|
|
return changelog.changelog(
|
|
self.svfs,
|
|
trypending=txnutil.mayhavesharedpending(self.root, self.sharedroot),
|
|
)
|
|
|
|
def _constructmanifest(self):
|
|
# This is a temporary function while we migrate from manifest to
|
|
# manifestlog. It allows bundlerepo and unionrepo to intercept the
|
|
# manifest creation.
|
|
return manifest.manifestrevlog(self.svfs)
|
|
|
|
@storecache("00manifest.i", "00manifesttree.i")
|
|
def manifestlog(self):
|
|
return manifest.manifestlog(self.svfs, self)
|
|
|
|
@unfilteredpropertycache
|
|
def fileslog(self):
|
|
return filelog.fileslog(self)
|
|
|
|
@repofilecache(localpaths=["dirstate"])
|
|
def dirstate(self):
|
|
if edenfs.requirement in self.requirements:
|
|
return self._eden_dirstate
|
|
|
|
istreestate = "treestate" in self.requirements
|
|
istreedirstate = "treedirstate" in self.requirements
|
|
|
|
return dirstate.dirstate(
|
|
self.localvfs,
|
|
self.ui,
|
|
self.root,
|
|
self._dirstatevalidate,
|
|
istreestate=istreestate,
|
|
istreedirstate=istreedirstate,
|
|
)
|
|
|
|
@util.propertycache
|
|
def _eden_dirstate(self):
|
|
# Disable demand import when pulling in the thrift runtime,
|
|
# as it attempts to import missing modules and changes behavior
|
|
# based on what it finds. Demand import masks those and causes
|
|
# obscure and false import errors at runtime.
|
|
from edenscm import hgdemandimport
|
|
|
|
with hgdemandimport.disabled():
|
|
from . import eden_dirstate as dirstate_reimplementation
|
|
|
|
return dirstate_reimplementation.eden_dirstate(self, self.ui, self.root)
|
|
|
|
def _dirstatevalidate(self, node):
|
|
try:
|
|
self.changelog.rev(node)
|
|
return node
|
|
except error.LookupError:
|
|
if not self._dirstatevalidatewarned:
|
|
self._dirstatevalidatewarned = True
|
|
self.ui.warn(
|
|
_("warning: ignoring unknown" " working parent %s!\n") % short(node)
|
|
)
|
|
return nullid
|
|
|
|
def __getitem__(self, changeid):
|
|
if changeid is None:
|
|
return context.workingctx(self)
|
|
if isinstance(changeid, slice):
|
|
# wdirrev isn't contiguous so the slice shouldn't include it
|
|
return [
|
|
context.changectx(self, i)
|
|
for i in xrange(*changeid.indices(len(self)))
|
|
if i not in self.changelog.filteredrevs
|
|
]
|
|
try:
|
|
return context.changectx(self, changeid)
|
|
except error.WdirUnsupported:
|
|
return context.workingctx(self)
|
|
|
|
def __contains__(self, changeid):
|
|
"""True if the given changeid exists
|
|
|
|
error.LookupError is raised if an ambiguous node specified.
|
|
"""
|
|
try:
|
|
self[changeid]
|
|
return True
|
|
except error.RepoLookupError:
|
|
return False
|
|
|
|
def __nonzero__(self):
|
|
return True
|
|
|
|
__bool__ = __nonzero__
|
|
|
|
def __len__(self):
|
|
return len(self.changelog)
|
|
|
|
def __iter__(self):
|
|
return iter(self.changelog)
|
|
|
|
def revs(self, expr, *args):
|
|
"""Find revisions matching a revset.
|
|
|
|
The revset is specified as a string ``expr`` that may contain
|
|
%-formatting to escape certain types. See ``revsetlang.formatspec``.
|
|
|
|
Revset aliases from the configuration are not expanded. To expand
|
|
user aliases, consider calling ``scmutil.revrange()`` or
|
|
``repo.anyrevs([expr], user=True)``.
|
|
|
|
Returns a revset.abstractsmartset, which is a list-like interface
|
|
that contains integer revisions.
|
|
"""
|
|
expr = revsetlang.formatspec(expr, *args)
|
|
m = revset.match(None, expr)
|
|
return m(self)
|
|
|
|
def set(self, expr, *args):
|
|
"""Find revisions matching a revset and emit changectx instances.
|
|
|
|
This is a convenience wrapper around ``revs()`` that iterates the
|
|
result and is a generator of changectx instances.
|
|
|
|
Revset aliases from the configuration are not expanded. To expand
|
|
user aliases, consider calling ``scmutil.revrange()``.
|
|
"""
|
|
for r in self.revs(expr, *args):
|
|
yield self[r]
|
|
|
|
def nodes(self, expr, *args):
|
|
"""Find revisions matching a revset and emit their nodes.
|
|
|
|
This is a convenience wrapper around ``revs()`` that iterates the
|
|
result and is a generator of nodes.
|
|
|
|
Revset aliases from the configuration are not expanded. To expand
|
|
user aliases, consider calling ``scmutil.revrange()``.
|
|
"""
|
|
clnode = self.changelog.node
|
|
for r in self.revs(expr, *args):
|
|
yield clnode(r)
|
|
|
|
def anyrevs(self, specs, user=False, localalias=None):
|
|
"""Find revisions matching one of the given revsets.
|
|
|
|
Revset aliases from the configuration are not expanded by default. To
|
|
expand user aliases, specify ``user=True``. To provide some local
|
|
definitions overriding user aliases, set ``localalias`` to
|
|
``{name: definitionstring}``.
|
|
"""
|
|
if user:
|
|
m = revset.matchany(self.ui, specs, repo=self, localalias=localalias)
|
|
else:
|
|
m = revset.matchany(None, specs, localalias=localalias)
|
|
return m(self)
|
|
|
|
def url(self):
|
|
return "file:" + self.root
|
|
|
|
def hook(self, name, throw=False, **args):
|
|
"""Call a hook, passing this repo instance.
|
|
|
|
This a convenience method to aid invoking hooks. Extensions likely
|
|
won't call this unless they have registered a custom hook or are
|
|
replacing code that is expected to call a hook.
|
|
"""
|
|
return hook.hook(self.ui, self, name, throw, **args)
|
|
|
|
@filteredpropertycache
|
|
def _mutationcache(self):
|
|
return mutation.mutationcache(self)
|
|
|
|
@filteredpropertycache
|
|
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"""
|
|
t = {}
|
|
if self.changelog.filteredrevs:
|
|
tags, tt = self._findtags()
|
|
else:
|
|
tags = self._tagscache.tags
|
|
for k, v in tags.iteritems():
|
|
try:
|
|
# ignore tags to unknown nodes
|
|
self.changelog.rev(v)
|
|
t[k] = v
|
|
except (error.LookupError, ValueError):
|
|
pass
|
|
return t
|
|
|
|
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?
|
|
|
|
# map tag name to (node, hist)
|
|
alltags = tagsmod.findglobaltags(self.ui, self)
|
|
# map tag name to tag type
|
|
tagtypes = dict((tag, "global") for tag in alltags)
|
|
|
|
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:
|
|
tags[encoding.tolocal(name)] = node
|
|
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():
|
|
l.append((self.changelog.rev(n), 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._tagscache.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):
|
|
"""return the list of bookmarks pointing to the specified node"""
|
|
marks = []
|
|
for bookmark, n in self._bookmarks.iteritems():
|
|
if n == node:
|
|
marks.append(bookmark)
|
|
return sorted(marks)
|
|
|
|
def branchmap(self):
|
|
"""returns a dictionary {branch: [branchheads]} with branchheads
|
|
ordered by increasing revision number"""
|
|
branchmap.updatecache(self)
|
|
return self._branchcaches[self.filtername]
|
|
|
|
def branchtip(self, branch, ignoremissing=False):
|
|
"""return the tip node for a given branch
|
|
|
|
If ignoremissing is True, then this method will not raise an error.
|
|
This is helpful for callers that only expect None for a missing branch
|
|
(e.g. namespace).
|
|
|
|
"""
|
|
try:
|
|
return self.branchmap().branchtip(branch)
|
|
except KeyError:
|
|
if not ignoremissing:
|
|
raise error.RepoLookupError(_("unknown branch '%s'") % branch)
|
|
else:
|
|
pass
|
|
|
|
def lookup(self, key):
|
|
return self[key].node()
|
|
|
|
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):
|
|
cl = self.changelog
|
|
nm = cl.nodemap
|
|
filtered = cl.filteredrevs
|
|
result = []
|
|
for n in nodes:
|
|
r = nm.get(n)
|
|
resp = not (r is None or r in filtered)
|
|
result.append(resp)
|
|
return result
|
|
|
|
def local(self):
|
|
return self
|
|
|
|
def publishing(self):
|
|
# it's safe (and desirable) to trust the publish flag unconditionally
|
|
# so that we don't finalize changes shared between users via ssh or nfs
|
|
return self.ui.configbool("phases", "publish", untrusted=True)
|
|
|
|
def cancopy(self):
|
|
# so statichttprepo's override of local() works
|
|
if not self.local():
|
|
return False
|
|
if not self.publishing():
|
|
return True
|
|
# if publishing we can't copy if there is filtered content
|
|
return not self.filtered("visible").changelog.filteredrevs
|
|
|
|
def shared(self):
|
|
"""the type of shared repository (None if not shared)"""
|
|
if self.sharedpath != self.path:
|
|
return "store"
|
|
return None
|
|
|
|
def wjoin(self, f, *insidef):
|
|
return self.localvfs.reljoin(self.root, f, *insidef)
|
|
|
|
def file(self, f):
|
|
if f[0] == "/":
|
|
f = f[1:]
|
|
return filelog.filelog(self.svfs, f)
|
|
|
|
def changectx(self, changeid):
|
|
return self[changeid]
|
|
|
|
def setparents(self, p1, p2=nullid):
|
|
with self.dirstate.parentchange():
|
|
copies = self.dirstate.setparents(p1, p2)
|
|
pctx = self[p1]
|
|
if copies:
|
|
# Adjust copy records, the dirstate cannot do it, it
|
|
# requires access to parents manifests. Preserve them
|
|
# only for entries added to first parent.
|
|
for f in copies:
|
|
if f not in pctx and copies[f] in pctx:
|
|
self.dirstate.copy(copies[f], f)
|
|
if p2 == nullid:
|
|
for f, s in sorted(self.dirstate.copies().items()):
|
|
if f not in pctx and s not in pctx:
|
|
self.dirstate.copy(None, f)
|
|
|
|
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 _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
|
|
|
|
@unfilteredpropertycache
|
|
def _encodefilterpats(self):
|
|
return self._loadfilter("encode")
|
|
|
|
@unfilteredpropertycache
|
|
def _decodefilterpats(self):
|
|
return self._loadfilter("decode")
|
|
|
|
def adddatafilter(self, name, filter):
|
|
self._datafilters[name] = filter
|
|
|
|
def wread(self, filename):
|
|
if self.wvfs.islink(filename):
|
|
data = self.wvfs.readlink(filename)
|
|
else:
|
|
data = self.wvfs.read(filename)
|
|
return self._filter(self._encodefilterpats, filename, data)
|
|
|
|
def wwrite(self, filename, data, flags, backgroundclose=False):
|
|
"""write ``data`` into ``filename`` in the working directory
|
|
|
|
This returns length of written (maybe decoded) data.
|
|
"""
|
|
data = self._filter(self._decodefilterpats, filename, data)
|
|
if "l" in flags:
|
|
self.wvfs.symlink(data, filename)
|
|
else:
|
|
self.wvfs.write(filename, data, backgroundclose=backgroundclose)
|
|
if "x" in flags:
|
|
self.wvfs.setflags(filename, False, True)
|
|
return len(data)
|
|
|
|
def wwritedata(self, filename, data):
|
|
return self._filter(self._decodefilterpats, filename, data)
|
|
|
|
def currenttransaction(self):
|
|
"""return the current transaction or None if non exists"""
|
|
if self._transref:
|
|
tr = self._transref()
|
|
else:
|
|
tr = None
|
|
|
|
if tr and tr.running():
|
|
return tr
|
|
return None
|
|
|
|
def transaction(self, desc, report=None):
|
|
if self.ui.configbool("devel", "all-warnings") or self.ui.configbool(
|
|
"devel", "check-locks"
|
|
):
|
|
if self._currentlock(self._lockref) is None:
|
|
raise error.ProgrammingError("transaction requires locking")
|
|
tr = self.currenttransaction()
|
|
if tr is not None:
|
|
scmutil.registersummarycallback(self, tr, desc)
|
|
return tr.nest()
|
|
|
|
# abort here if the journal already exists
|
|
if self.svfs.exists("journal"):
|
|
raise error.AbandonedTransactionFoundError(
|
|
_("abandoned transaction found"),
|
|
hint=_("run 'hg recover' to clean up transaction"),
|
|
)
|
|
|
|
idbase = "%.40f#%f" % (random.random(), time.time())
|
|
ha = hex(hashlib.sha1(idbase).digest())
|
|
txnid = "TXN:" + ha
|
|
self.hook("pretxnopen", throw=True, txnname=desc, txnid=txnid)
|
|
|
|
self._writejournal(desc)
|
|
renames = [(vfs, x, undoname(x)) for vfs, x in self._journalfiles()]
|
|
if report:
|
|
rp = report
|
|
else:
|
|
rp = self.ui.warn
|
|
vfsmap = {"shared": self.sharedvfs, "local": self.localvfs}
|
|
# we must avoid cyclic reference between repo and transaction.
|
|
reporef = weakref.ref(self)
|
|
# Code to track tag movement
|
|
#
|
|
# Since tags are all handled as file content, it is actually quite hard
|
|
# to track these movement from a code perspective. So we fallback to a
|
|
# tracking at the repository level. One could envision to track changes
|
|
# to the '.hgtags' file through changegroup apply but that fails to
|
|
# cope with case where transaction expose new heads without changegroup
|
|
# being involved (eg: phase movement).
|
|
#
|
|
# For now, We gate the feature behind a flag since this likely comes
|
|
# with performance impacts. The current code run more often than needed
|
|
# and do not use caches as much as it could. The current focus is on
|
|
# the behavior of the feature so we disable it by default. The flag
|
|
# will be removed when we are happy with the performance impact.
|
|
#
|
|
# Once this feature is no longer experimental move the following
|
|
# documentation to the appropriate help section:
|
|
#
|
|
# The ``HG_TAG_MOVED`` variable will be set if the transaction touched
|
|
# tags (new or changed or deleted tags). In addition the details of
|
|
# these changes are made available in a file at:
|
|
# ``REPOROOT/.hg/changes/tags.changes``.
|
|
# Make sure you check for HG_TAG_MOVED before reading that file as it
|
|
# might exist from a previous transaction even if no tag were touched
|
|
# in this one. Changes are recorded in a line base format::
|
|
#
|
|
# <action> <hex-node> <tag-name>\n
|
|
#
|
|
# Actions are defined as follow:
|
|
# "-R": tag is removed,
|
|
# "+A": tag is added,
|
|
# "-M": tag is moved (old value),
|
|
# "+M": tag is moved (new value),
|
|
tracktags = lambda x: None
|
|
# experimental config: experimental.hook-track-tags
|
|
shouldtracktags = self.ui.configbool("experimental", "hook-track-tags")
|
|
if desc != "strip" and shouldtracktags:
|
|
oldheads = self.changelog.headrevs()
|
|
|
|
def tracktags(tr2):
|
|
repo = reporef()
|
|
oldfnodes = tagsmod.fnoderevs(repo.ui, repo, oldheads)
|
|
newheads = repo.changelog.headrevs()
|
|
newfnodes = tagsmod.fnoderevs(repo.ui, repo, newheads)
|
|
# notes: we compare lists here.
|
|
# As we do it only once buiding set would not be cheaper
|
|
changes = tagsmod.difftags(repo.ui, repo, oldfnodes, newfnodes)
|
|
if changes:
|
|
tr2.hookargs["tag_moved"] = "1"
|
|
with repo.localvfs(
|
|
"changes/tags.changes", "w", atomictemp=True
|
|
) as changesfile:
|
|
# note: we do not register the file to the transaction
|
|
# because we needs it to still exist on the transaction
|
|
# is close (for txnclose hooks)
|
|
tagsmod.writediff(changesfile, changes)
|
|
|
|
def validate(tr2):
|
|
"""will run pre-closing hooks"""
|
|
# XXX the transaction API is a bit lacking here so we take a hacky
|
|
# path for now
|
|
#
|
|
# We cannot add this as a "pending" hooks since the 'tr.hookargs'
|
|
# dict is copied before these run. In addition we needs the data
|
|
# available to in memory hooks too.
|
|
#
|
|
# Moreover, we also need to make sure this runs before txnclose
|
|
# hooks and there is no "pending" mechanism that would execute
|
|
# logic only if hooks are about to run.
|
|
#
|
|
# Fixing this limitation of the transaction is also needed to track
|
|
# other families of changes (bookmarks, phases, obsolescence).
|
|
#
|
|
# This will have to be fixed before we remove the experimental
|
|
# gating.
|
|
tracktags(tr2)
|
|
repo = reporef()
|
|
if hook.hashook(repo.ui, "pretxnclose-bookmark"):
|
|
for name, (old, new) in sorted(tr.changes["bookmarks"].items()):
|
|
args = tr.hookargs.copy()
|
|
args.update(bookmarks.preparehookargs(name, old, new))
|
|
repo.hook(
|
|
"pretxnclose-bookmark",
|
|
throw=True,
|
|
txnname=desc,
|
|
**pycompat.strkwargs(args)
|
|
)
|
|
if hook.hashook(repo.ui, "pretxnclose-phase"):
|
|
cl = repo.unfiltered().changelog
|
|
for rev, (old, new) in tr.changes["phases"].items():
|
|
args = tr.hookargs.copy()
|
|
node = hex(cl.node(rev))
|
|
args.update(phases.preparehookargs(node, old, new))
|
|
repo.hook(
|
|
"pretxnclose-phase",
|
|
throw=True,
|
|
txnname=desc,
|
|
**pycompat.strkwargs(args)
|
|
)
|
|
|
|
repo.hook(
|
|
"pretxnclose",
|
|
throw=True,
|
|
txnname=desc,
|
|
**pycompat.strkwargs(tr.hookargs)
|
|
)
|
|
|
|
def releasefn(tr, success):
|
|
repo = reporef()
|
|
if success:
|
|
# this should be explicitly invoked here, because
|
|
# in-memory changes aren't written out at closing
|
|
# transaction, if tr.addfilegenerator (via
|
|
# dirstate.write or so) isn't invoked while
|
|
# transaction running
|
|
repo.dirstate.write(None)
|
|
else:
|
|
# discard all changes (including ones already written
|
|
# out) in this transaction
|
|
repo.dirstate.restorebackup(None, "journal.dirstate")
|
|
|
|
repo.invalidate(clearfilecache=True)
|
|
|
|
tr = transaction.transaction(
|
|
rp,
|
|
self.svfs,
|
|
vfsmap,
|
|
"journal",
|
|
"undo",
|
|
aftertrans(renames),
|
|
self.store.createmode,
|
|
validator=validate,
|
|
releasefn=releasefn,
|
|
checkambigfiles=_cachedfiles,
|
|
)
|
|
tr.changes["revs"] = xrange(0, 0)
|
|
tr.changes["obsmarkers"] = set()
|
|
tr.changes["phases"] = {}
|
|
tr.changes["bookmarks"] = {}
|
|
|
|
tr.hookargs["txnid"] = txnid
|
|
|
|
# Write parts of the repository store that don't participate in the
|
|
# standard transaction mechanism.
|
|
unfi = self.unfiltered()
|
|
|
|
def commitnotransaction(tr):
|
|
if "manifestlog" in unfi.__dict__:
|
|
self.manifestlog.commitpending()
|
|
|
|
if "fileslog" in unfi.__dict__:
|
|
self.fileslog.commitpending()
|
|
|
|
def abortnotransaction(tr):
|
|
if "manifestlog" in unfi.__dict__:
|
|
self.manifestlog.abortpending()
|
|
|
|
if "fileslog" in unfi.__dict__:
|
|
self.fileslog.abortpending()
|
|
|
|
def writependingnotransaction(tr):
|
|
commitnotransaction(tr)
|
|
tr.addpending("notransaction", writependingnotransaction)
|
|
return False
|
|
|
|
tr.addfinalize("notransaction", commitnotransaction)
|
|
tr.addabort("notransaction", abortnotransaction)
|
|
tr.addpending("notransaction", writependingnotransaction)
|
|
|
|
# If any writes happened outside the transaction, go ahead and flush
|
|
# them before opening the new transaction.
|
|
commitnotransaction(None)
|
|
|
|
# note: writing the fncache only during finalize mean that the file is
|
|
# outdated when running hooks. As fncache is used for streaming clone,
|
|
# this is not expected to break anything that happen during the hooks.
|
|
tr.addfinalize("flush-fncache", self.store.write)
|
|
|
|
def txnclosehook(tr2):
|
|
"""To be run if transaction is successful, will schedule a hook run
|
|
"""
|
|
# Don't reference tr2 in hook() so we don't hold a reference.
|
|
# This reduces memory consumption when there are multiple
|
|
# transactions per lock. This can likely go away if issue5045
|
|
# fixes the function accumulation.
|
|
hookargs = tr2.hookargs
|
|
|
|
def hookfunc():
|
|
repo = reporef()
|
|
if hook.hashook(repo.ui, "txnclose-bookmark"):
|
|
bmchanges = sorted(tr.changes["bookmarks"].items())
|
|
for name, (old, new) in bmchanges:
|
|
args = tr.hookargs.copy()
|
|
args.update(bookmarks.preparehookargs(name, old, new))
|
|
repo.hook(
|
|
"txnclose-bookmark",
|
|
throw=False,
|
|
txnname=desc,
|
|
**pycompat.strkwargs(args)
|
|
)
|
|
|
|
if hook.hashook(repo.ui, "txnclose-phase"):
|
|
cl = repo.unfiltered().changelog
|
|
phasemv = sorted(tr.changes["phases"].items())
|
|
for rev, (old, new) in phasemv:
|
|
args = tr.hookargs.copy()
|
|
node = hex(cl.node(rev))
|
|
args.update(phases.preparehookargs(node, old, new))
|
|
repo.hook(
|
|
"txnclose-phase",
|
|
throw=False,
|
|
txnname=desc,
|
|
**pycompat.strkwargs(args)
|
|
)
|
|
|
|
repo.hook(
|
|
"txnclose",
|
|
throw=False,
|
|
txnname=desc,
|
|
**pycompat.strkwargs(hookargs)
|
|
)
|
|
|
|
reporef()._afterlock(hookfunc)
|
|
|
|
tr.addfinalize("txnclose-hook", txnclosehook)
|
|
tr.addpostclose("warms-cache", self._buildcacheupdater(tr))
|
|
|
|
def txnaborthook(tr2):
|
|
"""To be run if transaction is aborted
|
|
"""
|
|
reporef().hook("txnabort", throw=False, txnname=desc, **tr2.hookargs)
|
|
|
|
tr.addabort("txnabort-hook", txnaborthook)
|
|
# avoid eager cache invalidation. in-memory data should be identical
|
|
# to stored data if transaction has no error.
|
|
tr.addpostclose("refresh-filecachestats", self._refreshfilecachestats)
|
|
self._transref = weakref.ref(tr)
|
|
scmutil.registersummarycallback(self, tr, desc)
|
|
return tr
|
|
|
|
def _journalfiles(self):
|
|
return (
|
|
(self.svfs, "journal"),
|
|
(self.localvfs, "journal.dirstate"),
|
|
(self.localvfs, "journal.branch"),
|
|
(self.localvfs, "journal.desc"),
|
|
(self.localvfs, "journal.bookmarks"),
|
|
(self.svfs, "journal.phaseroots"),
|
|
)
|
|
|
|
def undofiles(self):
|
|
return [(vfs, undoname(x)) for vfs, x in self._journalfiles()]
|
|
|
|
@unfilteredmethod
|
|
def _writejournal(self, desc):
|
|
self.dirstate.savebackup(None, "journal.dirstate")
|
|
self.localvfs.write(
|
|
"journal.branch", encoding.fromlocal(self.dirstate.branch())
|
|
)
|
|
self.localvfs.write("journal.desc", "%d\n%s\n" % (len(self), desc))
|
|
self.localvfs.write("journal.bookmarks", self.localvfs.tryread("bookmarks"))
|
|
self.svfs.write("journal.phaseroots", self.svfs.tryread("phaseroots"))
|
|
|
|
def recover(self):
|
|
with self.lock():
|
|
if self.svfs.exists("journal"):
|
|
self.ui.status(_("rolling back interrupted transaction\n"))
|
|
vfsmap = {
|
|
"": self.svfs,
|
|
"shared": self.sharedvfs,
|
|
"local": self.localvfs,
|
|
}
|
|
transaction.rollback(
|
|
self.svfs,
|
|
vfsmap,
|
|
"journal",
|
|
self.ui.warn,
|
|
checkambigfiles=_cachedfiles,
|
|
)
|
|
self.invalidate()
|
|
return True
|
|
else:
|
|
self.ui.warn(_("no interrupted transaction available\n"))
|
|
return False
|
|
|
|
def rollback(self, dryrun=False, force=False):
|
|
wlock = lock = dsguard = None
|
|
try:
|
|
wlock = self.wlock()
|
|
lock = self.lock()
|
|
if self.svfs.exists("undo"):
|
|
dsguard = dirstateguard.dirstateguard(self, "rollback")
|
|
|
|
return self._rollback(dryrun, force, dsguard)
|
|
else:
|
|
self.ui.warn(_("no rollback information available\n"))
|
|
return 1
|
|
finally:
|
|
release(dsguard, lock, wlock)
|
|
|
|
@unfilteredmethod # Until we get smarter cache management
|
|
def _rollback(self, dryrun, force, dsguard):
|
|
ui = self.ui
|
|
try:
|
|
args = self.localvfs.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 %d" " (undo %s: %s)\n"
|
|
) % (oldtip, desc, detail)
|
|
else:
|
|
msg = _("repository tip rolled back to revision %d" " (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 error.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()
|
|
self.destroying()
|
|
vfsmap = {"": self.svfs, "shared": self.sharedvfs, "local": self.localvfs}
|
|
transaction.rollback(
|
|
self.svfs, vfsmap, "undo", ui.warn, checkambigfiles=_cachedfiles
|
|
)
|
|
if self.localvfs.exists("undo.bookmarks"):
|
|
self.localvfs.rename("undo.bookmarks", "bookmarks", checkambig=True)
|
|
if self.svfs.exists("undo.phaseroots"):
|
|
self.svfs.rename("undo.phaseroots", "phaseroots", checkambig=True)
|
|
self.invalidate()
|
|
|
|
parentgone = (
|
|
parents[0] not in self.changelog.nodemap
|
|
or parents[1] not in self.changelog.nodemap
|
|
)
|
|
if parentgone:
|
|
# prevent dirstateguard from overwriting already restored one
|
|
dsguard.close()
|
|
|
|
self.dirstate.restorebackup(None, "undo.dirstate")
|
|
try:
|
|
branch = self.localvfs.read("undo.branch")
|
|
self.dirstate.setbranch(encoding.tolocal(branch))
|
|
except IOError:
|
|
ui.warn(
|
|
_(
|
|
"named branch could not be reset: "
|
|
"current branch is still '%s'\n"
|
|
)
|
|
% self.dirstate.branch()
|
|
)
|
|
|
|
parents = tuple([p.rev() for p in self[None].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
|
|
)
|
|
mergemod.mergestate.clean(self, self["."].node())
|
|
|
|
# TODO: if we know which new heads may result from this rollback, pass
|
|
# them to destroy(), which will prevent the branchhead cache from being
|
|
# invalidated.
|
|
self.destroyed()
|
|
return 0
|
|
|
|
def _buildcacheupdater(self, newtransaction):
|
|
"""called during transaction to build the callback updating cache
|
|
|
|
Lives on the repository to help extension who might want to augment
|
|
this logic. For this purpose, the created transaction is passed to the
|
|
method.
|
|
"""
|
|
# we must avoid cyclic reference between repo and transaction.
|
|
reporef = weakref.ref(self)
|
|
|
|
def updater(tr):
|
|
repo = reporef()
|
|
repo.updatecaches(tr)
|
|
|
|
return updater
|
|
|
|
@unfilteredmethod
|
|
def updatecaches(self, tr=None):
|
|
"""warm appropriate caches
|
|
|
|
If this function is called after a transaction closed. The transaction
|
|
will be available in the 'tr' argument. This can be used to selectively
|
|
update caches relevant to the changes in that transaction.
|
|
"""
|
|
if tr is not None and tr.hookargs.get("source") == "strip":
|
|
# During strip, many caches are invalid but
|
|
# later call to `destroyed` will refresh them.
|
|
return
|
|
|
|
def invalidatecaches(self):
|
|
|
|
if "_tagscache" in vars(self):
|
|
# can't use delattr on proxy
|
|
del self.__dict__["_tagscache"]
|
|
|
|
self.unfiltered()._branchcaches.clear()
|
|
self.invalidatevolatilesets()
|
|
|
|
def invalidatevolatilesets(self):
|
|
self.filteredrevcache.clear()
|
|
obsolete.clearobscaches(self)
|
|
|
|
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)."""
|
|
# eden_dirstate has its own invalidation logic.
|
|
if edenfs.requirement in self.requirements:
|
|
self.dirstate.invalidate()
|
|
return
|
|
|
|
if hasunfilteredcache(self, "dirstate"):
|
|
for k in self.dirstate._filecache:
|
|
try:
|
|
delattr(self.dirstate, k)
|
|
except AttributeError:
|
|
pass
|
|
delattr(self.unfiltered(), "dirstate")
|
|
|
|
def invalidate(self, clearfilecache=False):
|
|
"""Invalidates both store and non-store parts other than dirstate
|
|
|
|
If a transaction is running, invalidation of store is omitted,
|
|
because discarding in-memory changes might cause inconsistency
|
|
(e.g. incomplete fncache causes unintentional failure, but
|
|
redundant one doesn't).
|
|
"""
|
|
unfiltered = self.unfiltered() # all file caches are stored unfiltered
|
|
for k in list(self._filecache.keys()):
|
|
# dirstate is invalidated separately in invalidatedirstate()
|
|
if k == "dirstate":
|
|
continue
|
|
if (
|
|
k == "changelog"
|
|
and self.currenttransaction()
|
|
and self.changelog._delayed
|
|
):
|
|
# The changelog object may store unwritten revisions. We don't
|
|
# want to lose them.
|
|
# TODO: Solve the problem instead of working around it.
|
|
continue
|
|
|
|
if k == "manifestlog" and "manifestlog" in unfiltered.__dict__:
|
|
# The manifestlog may have uncommitted additions, let's just
|
|
# flush them to disk so we don't lose them.
|
|
self.manifestlog.commitpending()
|
|
|
|
if clearfilecache:
|
|
del self._filecache[k]
|
|
try:
|
|
delattr(unfiltered, k)
|
|
except AttributeError:
|
|
pass
|
|
|
|
if "fileslog" in unfiltered.__dict__:
|
|
# The fileslog may have uncommitted additions, let's just
|
|
# flush them to disk so we don't lose them.
|
|
unfiltered.fileslog.commitpending()
|
|
del unfiltered.__dict__["fileslog"]
|
|
|
|
self.invalidatecaches()
|
|
if not self.currenttransaction():
|
|
# TODO: Changing contents of store outside transaction
|
|
# causes inconsistency. We should make in-memory store
|
|
# changes detectable, and abort if changed.
|
|
self.store.invalidatecaches()
|
|
|
|
def invalidateall(self):
|
|
"""Fully invalidates both store and non-store parts, causing the
|
|
subsequent operation to reread any outside changes."""
|
|
# extension should hook this to invalidate its caches
|
|
self.invalidate()
|
|
self.invalidatedirstate()
|
|
|
|
@unfilteredmethod
|
|
def _refreshfilecachestats(self, tr):
|
|
"""Reload stats of cached files so that they are flagged as valid"""
|
|
for k, ce in self._filecache.items():
|
|
if k == "dirstate" or k not in self.__dict__:
|
|
continue
|
|
ce.refresh()
|
|
|
|
def _lock(
|
|
self,
|
|
vfs,
|
|
lockname,
|
|
wait,
|
|
releasefn,
|
|
acquirefn,
|
|
desc,
|
|
inheritchecker=None,
|
|
parentenvvar=None,
|
|
):
|
|
parentlock = None
|
|
# the contents of parentenvvar are used by the underlying lock to
|
|
# determine whether it can be inherited
|
|
if parentenvvar is not None:
|
|
parentlock = encoding.environ.get(parentenvvar)
|
|
|
|
timeout = 0
|
|
warntimeout = 0
|
|
if wait:
|
|
timeout = self.ui.configint("ui", "timeout")
|
|
warntimeout = self.ui.configint("ui", "timeout.warn")
|
|
|
|
l = lockmod.trylock(
|
|
self.ui,
|
|
vfs,
|
|
lockname,
|
|
timeout,
|
|
warntimeout,
|
|
releasefn=releasefn,
|
|
acquirefn=acquirefn,
|
|
desc=desc,
|
|
inheritchecker=inheritchecker,
|
|
parentlock=parentlock,
|
|
)
|
|
return l
|
|
|
|
def _afterlock(self, callback):
|
|
"""add a callback to be run when the repository is fully unlocked
|
|
|
|
The callback will be executed when the outermost lock is released
|
|
(with wlock being higher level than 'lock')."""
|
|
for ref in (self._wlockref, self._lockref):
|
|
l = ref and ref()
|
|
if l and l.held:
|
|
l.postrelease.append(callback)
|
|
break
|
|
else: # no lock have been found.
|
|
callback()
|
|
|
|
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.)
|
|
|
|
If both 'lock' and 'wlock' must be acquired, ensure you always acquires
|
|
'wlock' first to avoid a dead-lock hazard."""
|
|
l = self._currentlock(self._lockref)
|
|
if l is not None:
|
|
l.lock()
|
|
return l
|
|
|
|
if self.ui.configbool("devel", "debug-lockers"):
|
|
util.debugstacktrace(
|
|
"acquiring store lock for %s" % self.root, skip=1, depth=5
|
|
)
|
|
|
|
l = self._lock(
|
|
self.svfs,
|
|
"lock",
|
|
wait,
|
|
None,
|
|
self.invalidate,
|
|
_("repository %s") % self.origroot,
|
|
)
|
|
self._lockref = weakref.ref(l)
|
|
return l
|
|
|
|
def _wlockchecktransaction(self):
|
|
if self.currenttransaction() is not None:
|
|
raise error.LockInheritanceContractViolation(
|
|
"wlock cannot be inherited in the middle of a transaction"
|
|
)
|
|
|
|
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.
|
|
|
|
If both 'lock' and 'wlock' must be acquired, ensure you always acquires
|
|
'wlock' first to avoid a dead-lock hazard."""
|
|
l = self._wlockref and self._wlockref()
|
|
if l is not None and l.held:
|
|
l.lock()
|
|
return l
|
|
|
|
if self.ui.configbool("devel", "debug-lockers"):
|
|
util.debugstacktrace("acquiring wlock for %s" % self.root, skip=1, depth=5)
|
|
|
|
# We do not need to check for non-waiting lock acquisition. Such
|
|
# acquisition would not cause dead-lock as they would just fail.
|
|
if wait and (
|
|
self.ui.configbool("devel", "all-warnings")
|
|
or self.ui.configbool("devel", "check-locks")
|
|
):
|
|
if self._currentlock(self._lockref) is not None:
|
|
self.ui.develwarn('"wlock" acquired after "lock"')
|
|
|
|
# if this is a shared repo and we must also lock the shared wlock
|
|
# or else we can deadlock due to lock ordering issues
|
|
sharedwlock = None
|
|
if self.shared():
|
|
sharedwlock = self._lock(
|
|
self.sharedvfs,
|
|
"wlock",
|
|
wait,
|
|
None,
|
|
None,
|
|
_("shared repository %s") % self.sharedroot,
|
|
inheritchecker=self._wlockchecktransaction,
|
|
parentenvvar="HG_WLOCK_LOCKER",
|
|
)
|
|
|
|
def unlock():
|
|
if sharedwlock:
|
|
sharedwlock.release()
|
|
if self.dirstate.pendingparentchange():
|
|
self.dirstate.invalidate()
|
|
else:
|
|
self.dirstate.write(None)
|
|
|
|
self._filecache["dirstate"].refresh()
|
|
|
|
l = self._lock(
|
|
self.localvfs,
|
|
"wlock",
|
|
wait,
|
|
unlock,
|
|
self.invalidatedirstate,
|
|
_("working directory of %s") % self.origroot,
|
|
inheritchecker=self._wlockchecktransaction,
|
|
parentenvvar="HG_WLOCK_LOCKER",
|
|
)
|
|
self._wlockref = weakref.ref(l)
|
|
return l
|
|
|
|
def _currentlock(self, lockref):
|
|
"""Returns the lock if it's held, or None if it's not."""
|
|
if lockref is None:
|
|
return None
|
|
l = lockref()
|
|
if l is None or not l.held:
|
|
return None
|
|
return l
|
|
|
|
def currentwlock(self):
|
|
"""Returns the wlock if it's held, or None if it's not."""
|
|
return self._currentlock(self._wlockref)
|
|
|
|
def _filecommit(self, fctx, manifest1, manifest2, linkrev, tr, changelist):
|
|
"""
|
|
commit an individual file as part of a larger transaction
|
|
"""
|
|
|
|
fname = fctx.path()
|
|
fparent1 = manifest1.get(fname, nullid)
|
|
fparent2 = manifest2.get(fname, nullid)
|
|
node = fctx.filenode()
|
|
if node in [fparent1, fparent2]:
|
|
self.ui.debug("reusing %s filelog entry (parent match)\n" % fname)
|
|
if node == fparent1:
|
|
if manifest1.flags(fname) != fctx.flags():
|
|
changelist.append(fname)
|
|
else:
|
|
if manifest2.flags(fname) != fctx.flags():
|
|
changelist.append(fname)
|
|
return node
|
|
|
|
flog = self.file(fname)
|
|
meta = {}
|
|
copy = fctx.renamed()
|
|
|
|
# Is filelog metadata (currently only the copy information) unchanged?
|
|
# If it is, then filenode hash could be unchanged if data is also known
|
|
# unchanged. This allows fast path of adding new file nodes without
|
|
# calculating .data() or new hash.
|
|
#
|
|
# Metadata is unchanged if there is no copy information.
|
|
# Otherwise, the "copy from" revision needs to be checked.
|
|
metamatched = not bool(copy)
|
|
|
|
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, oldcrev = copy
|
|
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
|
|
|
|
# Here, we used to search backwards through history to try to find
|
|
# where the file copy came from if the source of a copy was not in
|
|
# the parent directory. However, this doesn't actually make sense to
|
|
# do (what does a copy from something not in your working copy even
|
|
# mean?) and it causes bugs (eg, issue4476). Instead, we will warn
|
|
# the user that copy information was dropped, so if they didn't
|
|
# expect this outcome it can be fixed, but this is the correct
|
|
# behavior in this circumstance.
|
|
|
|
if crev:
|
|
self.ui.debug(" %s: copy %s:%s\n" % (fname, cfname, hex(crev)))
|
|
meta["copy"] = cfname
|
|
meta["copyrev"] = hex(crev)
|
|
metamatched = crev == oldcrev
|
|
fparent1, fparent2 = nullid, newfparent
|
|
else:
|
|
self.ui.warn(
|
|
_("warning: can't find ancestor for '%s' " "copied from '%s'!\n")
|
|
% (fname, cfname)
|
|
)
|
|
|
|
elif fparent1 == nullid:
|
|
fparent1, fparent2 = fparent2, nullid
|
|
elif fparent2 != nullid:
|
|
# is one parent an ancestor of the other?
|
|
fparentancestors = flog.commonancestorsheads(fparent1, fparent2)
|
|
if fparent1 in fparentancestors:
|
|
fparent1, fparent2 = fparent2, nullid
|
|
elif fparent2 in fparentancestors:
|
|
fparent2 = nullid
|
|
|
|
# Fast path: reuse rawdata? (skip .data() (ex. flagprocessors) and hash
|
|
# calculation)
|
|
if (
|
|
metamatched
|
|
and node is not None
|
|
# some filectxs do not support rawdata or flags
|
|
and util.safehasattr(fctx, "rawdata")
|
|
and util.safehasattr(fctx, "rawflags")
|
|
# some (external) filelogs do not have addrawrevision
|
|
and util.safehasattr(flog, "addrawrevision")
|
|
# parents must match to be able to reuse rawdata
|
|
and fctx.filelog().parents(node) == (fparent1, fparent2)
|
|
):
|
|
# node is different from fparents, no need to check manifest flag
|
|
changelist.append(fname)
|
|
if node in flog.nodemap:
|
|
self.ui.debug("reusing %s filelog node (exact match)\n" % fname)
|
|
return node
|
|
self.ui.debug("reusing %s filelog rawdata\n" % fname)
|
|
return flog.addrawrevision(
|
|
fctx.rawdata(), tr, linkrev, fparent1, fparent2, node, fctx.rawflags()
|
|
)
|
|
|
|
# is the file changed?
|
|
text = fctx.data()
|
|
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?
|
|
elif fname in manifest1 and manifest1.flags(fname) != fctx.flags():
|
|
changelist.append(fname)
|
|
|
|
return fparent1
|
|
|
|
def checkcommitpatterns(self, wctx, vdirs, match, status, fail):
|
|
"""check for commit arguments that aren't committable"""
|
|
if match.isexact() or match.prefix():
|
|
matched = set(status.modified + status.added + status.removed)
|
|
|
|
for f in match.files():
|
|
f = self.dirstate.normalize(f)
|
|
if f == "." or f in matched:
|
|
continue
|
|
if f in status.deleted:
|
|
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!"))
|
|
|
|
@unfilteredmethod
|
|
def commit(
|
|
self,
|
|
text="",
|
|
user=None,
|
|
date=None,
|
|
match=None,
|
|
force=False,
|
|
editor=False,
|
|
extra=None,
|
|
):
|
|
"""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.
|
|
"""
|
|
if extra is None:
|
|
extra = {}
|
|
|
|
def fail(f, msg):
|
|
raise error.Abort("%s: %s" % (f, msg))
|
|
|
|
if not match:
|
|
match = matchmod.always(self.root, "")
|
|
|
|
if not force:
|
|
vdirs = []
|
|
match.explicitdir = vdirs.append
|
|
match.bad = fail
|
|
|
|
wlock = lock = tr = None
|
|
try:
|
|
wlock = self.wlock()
|
|
lock = self.lock() # for recent changelog (see issue4368)
|
|
|
|
wctx = self[None]
|
|
merge = len(wctx.parents()) > 1
|
|
|
|
if not force and merge and not match.always():
|
|
raise error.Abort(
|
|
_(
|
|
"cannot partially commit a merge "
|
|
"(do not specify files or patterns)"
|
|
)
|
|
)
|
|
|
|
status = self.status(match=match, clean=force)
|
|
if force:
|
|
status.modified.extend(status.clean) # mq may commit clean files
|
|
|
|
# make sure all explicit patterns are matched
|
|
if not force:
|
|
self.checkcommitpatterns(wctx, vdirs, match, status, fail)
|
|
|
|
cctx = context.workingcommitctx(self, status, text, user, date, extra)
|
|
|
|
# internal config: ui.allowemptycommit
|
|
allowemptycommit = (
|
|
wctx.branch() != wctx.p1().branch()
|
|
or extra.get("close")
|
|
or merge
|
|
or cctx.files()
|
|
or self.ui.configbool("ui", "allowemptycommit")
|
|
)
|
|
if not allowemptycommit:
|
|
return None
|
|
|
|
if merge and cctx.deleted():
|
|
raise error.Abort(_("cannot commit merge with missing files"))
|
|
|
|
ms = mergemod.mergestate.read(self)
|
|
mergeutil.checkunresolved(ms)
|
|
|
|
if editor:
|
|
cctx._text = editor(self, cctx)
|
|
edited = text != cctx._text
|
|
|
|
# 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)
|
|
tr = self.transaction("commit")
|
|
ret = self.commitctx(cctx, True)
|
|
except: # re-raises
|
|
if edited:
|
|
self.ui.write(_("note: commit message saved in %s\n") % msgfn)
|
|
raise
|
|
# update bookmarks, dirstate and mergestate
|
|
bookmarks.update(self, [p1, p2], ret)
|
|
cctx.markcommitted(ret)
|
|
ms.reset()
|
|
tr.close()
|
|
|
|
finally:
|
|
lockmod.release(tr, lock, wlock)
|
|
|
|
def commithook(node=hex(ret), parent1=hookp1, parent2=hookp2):
|
|
# hack for command that use a temporary commit (eg: histedit)
|
|
# temporary commit got stripped before hook release
|
|
if self.changelog.hasnode(ret):
|
|
self.hook("commit", node=node, parent1=parent1, parent2=parent2)
|
|
|
|
self._afterlock(commithook)
|
|
return ret
|
|
|
|
@unfilteredmethod
|
|
def commitctx(self, ctx, error=False):
|
|
"""Add a new revision to current repository.
|
|
Revision information is passed via the context argument.
|
|
"""
|
|
|
|
tr = None
|
|
p1, p2 = ctx.p1(), ctx.p2()
|
|
user = ctx.user()
|
|
|
|
lock = self.lock()
|
|
try:
|
|
tr = self.transaction("commit")
|
|
trp = weakref.proxy(tr)
|
|
|
|
if ctx.manifestnode():
|
|
# reuse an existing manifest revision
|
|
mn = ctx.manifestnode()
|
|
files = ctx.files()
|
|
elif ctx.files():
|
|
m1ctx = p1.manifestctx()
|
|
m2ctx = p2.manifestctx()
|
|
mctx = m1ctx.copy()
|
|
|
|
m = mctx.read()
|
|
m1 = m1ctx.read()
|
|
m2 = m2ctx.read()
|
|
|
|
# check in files
|
|
added = []
|
|
changed = []
|
|
removed = list(ctx.removed())
|
|
linkrev = len(self)
|
|
self.ui.note(_("committing files:\n"))
|
|
for f in sorted(ctx.modified() + ctx.added()):
|
|
self.ui.note(f + "\n")
|
|
try:
|
|
fctx = ctx[f]
|
|
if fctx is None:
|
|
removed.append(f)
|
|
else:
|
|
added.append(f)
|
|
m[f] = self._filecommit(fctx, m1, m2, linkrev, trp, changed)
|
|
m.setflag(f, fctx.flags())
|
|
except OSError:
|
|
self.ui.warn(_("trouble committing %s!\n") % f)
|
|
raise
|
|
except IOError as inst:
|
|
errcode = getattr(inst, "errno", errno.ENOENT)
|
|
if error or errcode and errcode != errno.ENOENT:
|
|
self.ui.warn(_("trouble committing %s!\n") % f)
|
|
raise
|
|
|
|
# update manifest
|
|
self.ui.note(_("committing manifest\n"))
|
|
removed = [f for f in sorted(removed) if f in m1 or f in m2]
|
|
drop = [f for f in removed if f in m]
|
|
for f in drop:
|
|
del m[f]
|
|
mn = mctx.write(
|
|
trp, linkrev, p1.manifestnode(), p2.manifestnode(), added, drop
|
|
)
|
|
files = changed + removed
|
|
else:
|
|
mn = p1.manifestnode()
|
|
files = []
|
|
|
|
# update changelog
|
|
self.ui.note(_("committing changelog\n"))
|
|
self.changelog.delayupdate(tr)
|
|
n = self.changelog.add(
|
|
mn,
|
|
files,
|
|
ctx.description(),
|
|
trp,
|
|
p1.node(),
|
|
p2.node(),
|
|
user,
|
|
ctx.date(),
|
|
ctx.extra().copy(),
|
|
)
|
|
xp1, xp2 = p1.hex(), p2 and p2.hex() or ""
|
|
self.hook("pretxncommit", throw=True, node=hex(n), parent1=xp1, parent2=xp2)
|
|
# set the new commit is proper phase
|
|
targetphase = phases.newcommitphase(self.ui)
|
|
if targetphase:
|
|
# retract boundary do not alter parent changeset.
|
|
# if a parent have higher the resulting phase will
|
|
# be compliant anyway
|
|
#
|
|
# if minimal phase was 0 we don't need to retract anything
|
|
phases.registernew(self, tr, targetphase, [n])
|
|
# Newly committed commits shouldn't be obsoleted.
|
|
obsolete.revive([self[n]], "commit")
|
|
# Newly committed commits should be visible.
|
|
if targetphase > phases.public:
|
|
visibility.add(self, [n])
|
|
tr.close()
|
|
return n
|
|
finally:
|
|
if tr:
|
|
tr.release()
|
|
lock.release()
|
|
|
|
@unfilteredmethod
|
|
def destroying(self):
|
|
"""Inform the repository that nodes are about to be destroyed.
|
|
Intended for use by strip and rollback, so there's a common
|
|
place for anything that has to be done before destroying history.
|
|
|
|
This is mostly useful for saving state that is in memory and waiting
|
|
to be flushed when the current lock is released. Because a call to
|
|
destroyed is imminent, the repo will be invalidated causing those
|
|
changes to stay in memory (waiting for the next unlock), or vanish
|
|
completely.
|
|
"""
|
|
# When using the same lock to commit and strip, the phasecache is left
|
|
# dirty after committing. Then when we strip, the repo is invalidated,
|
|
# causing those changes to disappear.
|
|
if "_phasecache" in vars(self):
|
|
self._phasecache.write()
|
|
|
|
@unfilteredmethod
|
|
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.
|
|
"""
|
|
# When one tries to:
|
|
# 1) destroy nodes thus calling this method (e.g. strip)
|
|
# 2) use phasecache somewhere (e.g. commit)
|
|
#
|
|
# then 2) will fail because the phasecache contains nodes that were
|
|
# removed. We can either remove phasecache from the filecache,
|
|
# causing it to reload next time it is accessed, or simply filter
|
|
# the removed nodes now and write the updated cache.
|
|
self._phasecache.filterunknown(self)
|
|
self._phasecache.write()
|
|
|
|
# refresh all repository caches
|
|
self.updatecaches()
|
|
|
|
# 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.invalidate()
|
|
|
|
def walk(self, match, node=None):
|
|
"""
|
|
walk recursively through the directory tree or a given
|
|
changeset, finding all files matched by the match
|
|
function
|
|
"""
|
|
self.ui.deprecwarn("use repo[node].walk instead of repo.walk", "4.3")
|
|
return self[node].walk(match)
|
|
|
|
def status(
|
|
self,
|
|
node1=".",
|
|
node2=None,
|
|
match=None,
|
|
ignored=False,
|
|
clean=False,
|
|
unknown=False,
|
|
):
|
|
"""a convenience method that calls node1.status(node2)"""
|
|
return self[node1].status(node2, match, ignored, clean, unknown)
|
|
|
|
def addpostdsstatus(self, ps, afterdirstatewrite=True):
|
|
"""Add a callback to run within the wlock, at the point at which status
|
|
fixups happen.
|
|
|
|
On status completion, callback(wctx, status) will be called with the
|
|
wlock held, unless the dirstate has changed from underneath or the wlock
|
|
couldn't be grabbed.
|
|
|
|
If afterdirstatewrite is True, it runs after writing dirstate,
|
|
otherwise it runs before writing dirstate.
|
|
|
|
Callbacks should not capture and use a cached copy of the dirstate --
|
|
it might change in the meanwhile. Instead, they should access the
|
|
dirstate via wctx.repo().dirstate.
|
|
|
|
This list is emptied out after each status run -- extensions should
|
|
make sure it adds to this list each time dirstate.status is called.
|
|
Extensions should also make sure they don't call this for statuses
|
|
that don't involve the dirstate.
|
|
"""
|
|
|
|
# The list is located here for uniqueness reasons -- it is actually
|
|
# managed by the workingctx, but that isn't unique per-repo.
|
|
self._postdsstatus.append((ps, afterdirstatewrite))
|
|
|
|
def postdsstatus(self, afterdirstatewrite=True):
|
|
"""Used by workingctx to get the list of post-dirstate-status hooks."""
|
|
return [ps for (ps, after) in self._postdsstatus if after == afterdirstatewrite]
|
|
|
|
def clearpostdsstatus(self):
|
|
"""Used by workingctx to clear post-dirstate-status hooks."""
|
|
del self._postdsstatus[:]
|
|
|
|
def heads(self, start=None):
|
|
if start is None:
|
|
cl = self.changelog
|
|
headrevs = reversed(cl.headrevs())
|
|
return [cl.node(rev) for rev in headrevs]
|
|
|
|
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.branchheads(branch, closed=closed)))
|
|
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]
|
|
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 checkpush(self, pushop):
|
|
"""Extensions can override this function if additional checks have
|
|
to be performed before pushing, or call it if they override push
|
|
command.
|
|
"""
|
|
|
|
@unfilteredpropertycache
|
|
def prepushoutgoinghooks(self):
|
|
"""Return util.hooks consists of a pushop with repo, remote, outgoing
|
|
methods, which are called before pushing changesets.
|
|
"""
|
|
return util.hooks()
|
|
|
|
def pushkey(self, namespace, key, old, new):
|
|
try:
|
|
tr = self.currenttransaction()
|
|
hookargs = {}
|
|
if tr is not None:
|
|
hookargs.update(tr.hookargs)
|
|
hookargs["namespace"] = namespace
|
|
hookargs["key"] = key
|
|
hookargs["old"] = old
|
|
hookargs["new"] = new
|
|
self.hook("prepushkey", throw=True, **hookargs)
|
|
except error.HookAbort as exc:
|
|
self.ui.write_err(_("pushkey-abort: %s\n") % exc)
|
|
if exc.hint:
|
|
self.ui.write_err(_("(%s)\n") % exc.hint)
|
|
return False
|
|
self.ui.debug('pushing key for "%s:%s"\n' % (namespace, key))
|
|
ret = pushkey.push(self, namespace, key, old, new)
|
|
|
|
def runhook():
|
|
self.hook(
|
|
"pushkey", namespace=namespace, key=key, old=old, new=new, ret=ret
|
|
)
|
|
|
|
self._afterlock(runhook)
|
|
return ret
|
|
|
|
def listkeys(self, namespace):
|
|
self.hook("prelistkeys", throw=True, namespace=namespace)
|
|
self.ui.debug('listing keys for "%s"\n' % 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.localvfs("last-message.txt", "wb")
|
|
try:
|
|
fp.write(text)
|
|
finally:
|
|
fp.close()
|
|
return self.pathto(fp.name[len(self.root) + 1 :])
|
|
|
|
def automigrate(self):
|
|
"""perform potentially expensive in-place migrations
|
|
|
|
Called during pull if pull.automigrate is true
|
|
"""
|
|
# Migrate treestate
|
|
treestate.automigrate(self)
|
|
|
|
|
|
# used to avoid circular references so destructors work
|
|
def aftertrans(files):
|
|
renamefiles = [tuple(t) for t in files]
|
|
|
|
def a():
|
|
for vfs, src, dest in renamefiles:
|
|
# if src and dest refer to a same file, vfs.rename is a no-op,
|
|
# leaving both src and dest on disk. delete dest to make sure
|
|
# the rename couldn't be such a no-op.
|
|
vfs.tryunlink(dest)
|
|
try:
|
|
vfs.rename(src, dest)
|
|
except OSError: # journal file does not yet exist
|
|
pass
|
|
|
|
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
|
|
|
|
|
|
def newreporequirements(repo):
|
|
"""Determine the set of requirements for a new local repository.
|
|
|
|
Extensions can wrap this function to specify custom requirements for
|
|
new repositories.
|
|
"""
|
|
ui = repo.ui
|
|
requirements = {"revlogv1"}
|
|
if ui.configbool("format", "usestore"):
|
|
requirements.add("store")
|
|
if ui.configbool("format", "usefncache"):
|
|
requirements.add("fncache")
|
|
if ui.configbool("format", "dotencode"):
|
|
requirements.add("dotencode")
|
|
|
|
compengine = ui.config("experimental", "format.compression")
|
|
if compengine not in util.compengines:
|
|
raise error.Abort(
|
|
_(
|
|
"compression engine %s defined by "
|
|
"experimental.format.compression not available"
|
|
)
|
|
% compengine,
|
|
hint=_('run "hg debuginstall" to list available ' "compression engines"),
|
|
)
|
|
dirstateversion = ui.configint("format", "dirstate")
|
|
if dirstateversion == 1:
|
|
requirements.add("treedirstate")
|
|
elif dirstateversion == 2:
|
|
requirements.add("treestate")
|
|
|
|
# zlib is the historical default and doesn't need an explicit requirement.
|
|
if compengine != "zlib":
|
|
requirements.add("exp-compression-%s" % compengine)
|
|
|
|
if scmutil.gdinitconfig(ui):
|
|
requirements.add("generaldelta")
|
|
if ui.configbool("experimental", "treemanifest"):
|
|
requirements.add("treemanifest")
|
|
|
|
return requirements
|
|
|
|
|
|
def newrepostorerequirements(repo):
|
|
return set()
|