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# dirstate.py - working directory tracking for mercurial
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#
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# Copyright 2005-2007 Olivia Mackall <olivia@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 collections
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import contextlib
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import errno
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import os
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import stat
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from .i18n import _
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from .pycompat import delattr
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from hgdemandimport import tracing
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from . import (
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dirstatemap,
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encoding,
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error,
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match as matchmod,
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pathutil,
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policy,
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pycompat,
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scmutil,
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sparse,
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util,
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)
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from .interfaces import (
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dirstate as intdirstate,
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util as interfaceutil,
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)
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parsers = policy.importmod('parsers')
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rustmod = policy.importrust('dirstate')
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SUPPORTS_DIRSTATE_V2 = rustmod is not None
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propertycache = util.propertycache
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filecache = scmutil.filecache
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_rangemask = dirstatemap.rangemask
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DirstateItem = parsers.DirstateItem
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class repocache(filecache):
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"""filecache for files in .hg/"""
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def join(self, obj, fname):
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return obj._opener.join(fname)
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class rootcache(filecache):
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"""filecache for files in the repository root"""
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def join(self, obj, fname):
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return obj._join(fname)
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def _getfsnow(vfs):
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'''Get "now" timestamp on filesystem'''
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tmpfd, tmpname = vfs.mkstemp()
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try:
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return os.fstat(tmpfd)[stat.ST_MTIME]
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finally:
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os.close(tmpfd)
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vfs.unlink(tmpname)
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def requires_parents_change(func):
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def wrap(self, *args, **kwargs):
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if not self.pendingparentchange():
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msg = 'calling `%s` outside of a parentchange context'
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msg %= func.__name__
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raise error.ProgrammingError(msg)
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return func(self, *args, **kwargs)
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return wrap
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def requires_no_parents_change(func):
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def wrap(self, *args, **kwargs):
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if self.pendingparentchange():
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msg = 'calling `%s` inside of a parentchange context'
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msg %= func.__name__
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raise error.ProgrammingError(msg)
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return func(self, *args, **kwargs)
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return wrap
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@interfaceutil.implementer(intdirstate.idirstate)
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class dirstate(object):
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def __init__(
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self,
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opener,
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ui,
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root,
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validate,
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sparsematchfn,
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nodeconstants,
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use_dirstate_v2,
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):
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"""Create a new dirstate object.
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opener is an open()-like callable that can be used to open the
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dirstate file; root is the root of the directory tracked by
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the dirstate.
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"""
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self._use_dirstate_v2 = use_dirstate_v2
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self._nodeconstants = nodeconstants
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self._opener = opener
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self._validate = validate
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self._root = root
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self._sparsematchfn = sparsematchfn
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# ntpath.join(root, '') of Python 2.7.9 does not add sep if root is
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# UNC path pointing to root share (issue4557)
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self._rootdir = pathutil.normasprefix(root)
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self._dirty = False
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self._lastnormaltime = 0
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self._ui = ui
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self._filecache = {}
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self._parentwriters = 0
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self._filename = b'dirstate'
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self._pendingfilename = b'%s.pending' % self._filename
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self._plchangecallbacks = {}
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self._origpl = None
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self._updatedfiles = set()
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self._mapcls = dirstatemap.dirstatemap
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# Access and cache cwd early, so we don't access it for the first time
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# after a working-copy update caused it to not exist (accessing it then
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# raises an exception).
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self._cwd
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def prefetch_parents(self):
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"""make sure the parents are loaded
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Used to avoid a race condition.
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"""
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self._pl
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@contextlib.contextmanager
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def parentchange(self):
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"""Context manager for handling dirstate parents.
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If an exception occurs in the scope of the context manager,
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the incoherent dirstate won't be written when wlock is
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released.
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"""
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self._parentwriters += 1
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yield
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# Typically we want the "undo" step of a context manager in a
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# finally block so it happens even when an exception
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# occurs. In this case, however, we only want to decrement
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# parentwriters if the code in the with statement exits
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# normally, so we don't have a try/finally here on purpose.
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self._parentwriters -= 1
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def pendingparentchange(self):
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"""Returns true if the dirstate is in the middle of a set of changes
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that modify the dirstate parent.
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"""
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return self._parentwriters > 0
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@propertycache
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def _map(self):
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"""Return the dirstate contents (see documentation for dirstatemap)."""
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self._map = self._mapcls(
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self._ui,
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self._opener,
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self._root,
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self._nodeconstants,
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self._use_dirstate_v2,
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)
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return self._map
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@property
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def _sparsematcher(self):
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"""The matcher for the sparse checkout.
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The working directory may not include every file from a manifest. The
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matcher obtained by this property will match a path if it is to be
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included in the working directory.
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"""
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# TODO there is potential to cache this property. For now, the matcher
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# is resolved on every access. (But the called function does use a
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# cache to keep the lookup fast.)
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return self._sparsematchfn()
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@repocache(b'branch')
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def _branch(self):
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try:
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return self._opener.read(b"branch").strip() or b"default"
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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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return b"default"
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@property
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def _pl(self):
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return self._map.parents()
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def hasdir(self, d):
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return self._map.hastrackeddir(d)
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@rootcache(b'.hgignore')
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def _ignore(self):
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files = self._ignorefiles()
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if not files:
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return matchmod.never()
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pats = [b'include:%s' % f for f in files]
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return matchmod.match(self._root, b'', [], pats, warn=self._ui.warn)
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@propertycache
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def _slash(self):
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return self._ui.configbool(b'ui', b'slash') and pycompat.ossep != b'/'
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@propertycache
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def _checklink(self):
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return util.checklink(self._root)
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@propertycache
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def _checkexec(self):
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return bool(util.checkexec(self._root))
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@propertycache
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def _checkcase(self):
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return not util.fscasesensitive(self._join(b'.hg'))
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def _join(self, f):
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# much faster than os.path.join()
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# it's safe because f is always a relative path
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return self._rootdir + f
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def flagfunc(self, buildfallback):
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if self._checklink and self._checkexec:
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def f(x):
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try:
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st = os.lstat(self._join(x))
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if util.statislink(st):
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return b'l'
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if util.statisexec(st):
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return b'x'
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except OSError:
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pass
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return b''
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return f
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fallback = buildfallback()
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if self._checklink:
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def f(x):
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if os.path.islink(self._join(x)):
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return b'l'
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if b'x' in fallback(x):
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return b'x'
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return b''
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return f
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if self._checkexec:
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def f(x):
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if b'l' in fallback(x):
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return b'l'
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if util.isexec(self._join(x)):
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return b'x'
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return b''
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return f
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else:
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return fallback
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@propertycache
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def _cwd(self):
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# internal config: ui.forcecwd
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forcecwd = self._ui.config(b'ui', b'forcecwd')
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if forcecwd:
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return forcecwd
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return encoding.getcwd()
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def getcwd(self):
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"""Return the path from which a canonical path is calculated.
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This path should be used to resolve file patterns or to convert
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canonical paths back to file paths for display. It shouldn't be
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used to get real file paths. Use vfs functions instead.
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"""
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cwd = self._cwd
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if cwd == self._root:
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return b''
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# self._root ends with a path separator if self._root is '/' or 'C:\'
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rootsep = self._root
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if not util.endswithsep(rootsep):
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rootsep += pycompat.ossep
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if cwd.startswith(rootsep):
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return cwd[len(rootsep) :]
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else:
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# we're outside the repo. return an absolute path.
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return cwd
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def pathto(self, f, cwd=None):
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if cwd is None:
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cwd = self.getcwd()
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path = util.pathto(self._root, cwd, f)
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if self._slash:
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return util.pconvert(path)
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return path
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def __getitem__(self, key):
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"""Return the current state of key (a filename) in the dirstate.
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States are:
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n normal
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m needs merging
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r marked for removal
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a marked for addition
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? not tracked
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XXX The "state" is a bit obscure to be in the "public" API. we should
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consider migrating all user of this to going through the dirstate entry
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instead.
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"""
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entry = self._map.get(key)
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if entry is not None:
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return entry.state
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return b'?'
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def __contains__(self, key):
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return key in self._map
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def __iter__(self):
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return iter(sorted(self._map))
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def items(self):
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return pycompat.iteritems(self._map)
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iteritems = items
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def directories(self):
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return self._map.directories()
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def parents(self):
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return [self._validate(p) for p in self._pl]
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def p1(self):
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return self._validate(self._pl[0])
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def p2(self):
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return self._validate(self._pl[1])
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@property
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def in_merge(self):
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"""True if a merge is in progress"""
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return self._pl[1] != self._nodeconstants.nullid
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def branch(self):
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return encoding.tolocal(self._branch)
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def setparents(self, p1, p2=None):
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"""Set dirstate parents to p1 and p2.
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When moving from two parents to one, "merged" entries a
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adjusted to normal and previous copy records discarded and
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returned by the call.
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See localrepo.setparents()
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"""
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if p2 is None:
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p2 = self._nodeconstants.nullid
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if self._parentwriters == 0:
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raise ValueError(
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b"cannot set dirstate parent outside of "
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b"dirstate.parentchange context manager"
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)
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self._dirty = True
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oldp2 = self._pl[1]
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if self._origpl is None:
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self._origpl = self._pl
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self._map.setparents(p1, p2)
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copies = {}
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if (
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oldp2 != self._nodeconstants.nullid
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and p2 == self._nodeconstants.nullid
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):
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candidatefiles = self._map.non_normal_or_other_parent_paths()
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for f in candidatefiles:
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s = self._map.get(f)
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if s is None:
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continue
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# Discard "merged" markers when moving away from a merge state
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if s.merged:
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source = self._map.copymap.get(f)
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if source:
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copies[f] = source
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self._normallookup(f)
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# Also fix up otherparent markers
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elif s.from_p2:
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source = self._map.copymap.get(f)
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if source:
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copies[f] = source
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self._add(f)
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return copies
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def setbranch(self, branch):
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self.__class__._branch.set(self, encoding.fromlocal(branch))
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f = self._opener(b'branch', b'w', atomictemp=True, checkambig=True)
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try:
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f.write(self._branch + b'\n')
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f.close()
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# make sure filecache has the correct stat info for _branch after
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# replacing the underlying file
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ce = self._filecache[b'_branch']
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if ce:
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ce.refresh()
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except: # re-raises
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f.discard()
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raise
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def invalidate(self):
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"""Causes the next access to reread the dirstate.
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This is different from localrepo.invalidatedirstate() because it always
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rereads the dirstate. Use localrepo.invalidatedirstate() if you want to
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check whether the dirstate has changed before rereading it."""
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for a in ("_map", "_branch", "_ignore"):
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if a in self.__dict__:
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delattr(self, a)
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self._lastnormaltime = 0
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self._dirty = False
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self._updatedfiles.clear()
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self._parentwriters = 0
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self._origpl = None
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def copy(self, source, dest):
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"""Mark dest as a copy of source. Unmark dest if source is None."""
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if source == dest:
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return
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self._dirty = True
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if source is not None:
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self._map.copymap[dest] = source
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self._updatedfiles.add(source)
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self._updatedfiles.add(dest)
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elif self._map.copymap.pop(dest, None):
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self._updatedfiles.add(dest)
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def copied(self, file):
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return self._map.copymap.get(file, None)
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def copies(self):
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return self._map.copymap
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@requires_no_parents_change
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def set_tracked(self, filename):
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"""a "public" method for generic code to mark a file as tracked
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This function is to be called outside of "update/merge" case. For
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example by a command like `hg add X`.
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return True the file was previously untracked, False otherwise.
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"""
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entry = self._map.get(filename)
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if entry is None:
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self._add(filename)
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return True
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|
|
elif not entry.tracked:
|
|
|
self._normallookup(filename)
|
|
|
return True
|
|
|
# XXX This is probably overkill for more case, but we need this to
|
|
|
# fully replace the `normallookup` call with `set_tracked` one.
|
|
|
# Consider smoothing this in the future.
|
|
|
self.set_possibly_dirty(filename)
|
|
|
return False
|
|
|
|
|
|
@requires_no_parents_change
|
|
|
def set_untracked(self, filename):
|
|
|
"""a "public" method for generic code to mark a file as untracked
|
|
|
|
|
|
This function is to be called outside of "update/merge" case. For
|
|
|
example by a command like `hg remove X`.
|
|
|
|
|
|
return True the file was previously tracked, False otherwise.
|
|
|
"""
|
|
|
entry = self._map.get(filename)
|
|
|
if entry is None:
|
|
|
return False
|
|
|
elif entry.added:
|
|
|
self._drop(filename)
|
|
|
return True
|
|
|
else:
|
|
|
self._dirty = True
|
|
|
self._updatedfiles.add(filename)
|
|
|
self._map.set_untracked(filename)
|
|
|
return True
|
|
|
|
|
|
@requires_no_parents_change
|
|
|
def set_clean(self, filename, parentfiledata=None):
|
|
|
"""record that the current state of the file on disk is known to be clean"""
|
|
|
self._dirty = True
|
|
|
self._updatedfiles.add(filename)
|
|
|
if parentfiledata:
|
|
|
(mode, size, mtime) = parentfiledata
|
|
|
else:
|
|
|
(mode, size, mtime) = self._get_filedata(filename)
|
|
|
self._addpath(filename, mode=mode, size=size, mtime=mtime)
|
|
|
self._map.copymap.pop(filename, None)
|
|
|
if filename in self._map.nonnormalset:
|
|
|
self._map.nonnormalset.remove(filename)
|
|
|
if mtime > self._lastnormaltime:
|
|
|
# Remember the most recent modification timeslot for status(),
|
|
|
# to make sure we won't miss future size-preserving file content
|
|
|
# modifications that happen within the same timeslot.
|
|
|
self._lastnormaltime = mtime
|
|
|
|
|
|
@requires_no_parents_change
|
|
|
def set_possibly_dirty(self, filename):
|
|
|
"""record that the current state of the file on disk is unknown"""
|
|
|
self._dirty = True
|
|
|
self._updatedfiles.add(filename)
|
|
|
self._map.set_possibly_dirty(filename)
|
|
|
|
|
|
@requires_parents_change
|
|
|
def update_file_p1(
|
|
|
self,
|
|
|
filename,
|
|
|
p1_tracked,
|
|
|
):
|
|
|
"""Set a file as tracked in the parent (or not)
|
|
|
|
|
|
This is to be called when adjust the dirstate to a new parent after an history
|
|
|
rewriting operation.
|
|
|
|
|
|
It should not be called during a merge (p2 != nullid) and only within
|
|
|
a `with dirstate.parentchange():` context.
|
|
|
"""
|
|
|
if self.in_merge:
|
|
|
msg = b'update_file_reference should not be called when merging'
|
|
|
raise error.ProgrammingError(msg)
|
|
|
entry = self._map.get(filename)
|
|
|
if entry is None:
|
|
|
wc_tracked = False
|
|
|
else:
|
|
|
wc_tracked = entry.tracked
|
|
|
possibly_dirty = False
|
|
|
if p1_tracked and wc_tracked:
|
|
|
# the underlying reference might have changed, we will have to
|
|
|
# check it.
|
|
|
possibly_dirty = True
|
|
|
elif not (p1_tracked or wc_tracked):
|
|
|
# the file is no longer relevant to anyone
|
|
|
self._drop(filename)
|
|
|
elif (not p1_tracked) and wc_tracked:
|
|
|
if entry is not None and entry.added:
|
|
|
return # avoid dropping copy information (maybe?)
|
|
|
elif p1_tracked and not wc_tracked:
|
|
|
pass
|
|
|
else:
|
|
|
assert False, 'unreachable'
|
|
|
|
|
|
# this mean we are doing call for file we do not really care about the
|
|
|
# data (eg: added or removed), however this should be a minor overhead
|
|
|
# compared to the overall update process calling this.
|
|
|
parentfiledata = None
|
|
|
if wc_tracked:
|
|
|
parentfiledata = self._get_filedata(filename)
|
|
|
|
|
|
self._updatedfiles.add(filename)
|
|
|
self._map.reset_state(
|
|
|
filename,
|
|
|
wc_tracked,
|
|
|
p1_tracked,
|
|
|
possibly_dirty=possibly_dirty,
|
|
|
parentfiledata=parentfiledata,
|
|
|
)
|
|
|
if (
|
|
|
parentfiledata is not None
|
|
|
and parentfiledata[2] > self._lastnormaltime
|
|
|
):
|
|
|
# Remember the most recent modification timeslot for status(),
|
|
|
# to make sure we won't miss future size-preserving file content
|
|
|
# modifications that happen within the same timeslot.
|
|
|
self._lastnormaltime = parentfiledata[2]
|
|
|
|
|
|
@requires_parents_change
|
|
|
def update_file(
|
|
|
self,
|
|
|
filename,
|
|
|
wc_tracked,
|
|
|
p1_tracked,
|
|
|
p2_tracked=False,
|
|
|
merged=False,
|
|
|
clean_p1=False,
|
|
|
clean_p2=False,
|
|
|
possibly_dirty=False,
|
|
|
parentfiledata=None,
|
|
|
):
|
|
|
"""update the information about a file in the dirstate
|
|
|
|
|
|
This is to be called when the direstates parent changes to keep track
|
|
|
of what is the file situation in regards to the working copy and its parent.
|
|
|
|
|
|
This function must be called within a `dirstate.parentchange` context.
|
|
|
|
|
|
note: the API is at an early stage and we might need to adjust it
|
|
|
depending of what information ends up being relevant and useful to
|
|
|
other processing.
|
|
|
"""
|
|
|
if merged and (clean_p1 or clean_p2):
|
|
|
msg = b'`merged` argument incompatible with `clean_p1`/`clean_p2`'
|
|
|
raise error.ProgrammingError(msg)
|
|
|
|
|
|
# note: I do not think we need to double check name clash here since we
|
|
|
# are in a update/merge case that should already have taken care of
|
|
|
# this. The test agrees
|
|
|
|
|
|
self._dirty = True
|
|
|
self._updatedfiles.add(filename)
|
|
|
|
|
|
need_parent_file_data = (
|
|
|
not (possibly_dirty or clean_p2 or merged)
|
|
|
and wc_tracked
|
|
|
and p1_tracked
|
|
|
)
|
|
|
|
|
|
# this mean we are doing call for file we do not really care about the
|
|
|
# data (eg: added or removed), however this should be a minor overhead
|
|
|
# compared to the overall update process calling this.
|
|
|
if need_parent_file_data:
|
|
|
if parentfiledata is None:
|
|
|
parentfiledata = self._get_filedata(filename)
|
|
|
mtime = parentfiledata[2]
|
|
|
|
|
|
if mtime > self._lastnormaltime:
|
|
|
# Remember the most recent modification timeslot for
|
|
|
# status(), to make sure we won't miss future
|
|
|
# size-preserving file content modifications that happen
|
|
|
# within the same timeslot.
|
|
|
self._lastnormaltime = mtime
|
|
|
|
|
|
self._map.reset_state(
|
|
|
filename,
|
|
|
wc_tracked,
|
|
|
p1_tracked,
|
|
|
p2_tracked=p2_tracked,
|
|
|
merged=merged,
|
|
|
clean_p1=clean_p1,
|
|
|
clean_p2=clean_p2,
|
|
|
possibly_dirty=possibly_dirty,
|
|
|
parentfiledata=parentfiledata,
|
|
|
)
|
|
|
if (
|
|
|
parentfiledata is not None
|
|
|
and parentfiledata[2] > self._lastnormaltime
|
|
|
):
|
|
|
# Remember the most recent modification timeslot for status(),
|
|
|
# to make sure we won't miss future size-preserving file content
|
|
|
# modifications that happen within the same timeslot.
|
|
|
self._lastnormaltime = parentfiledata[2]
|
|
|
|
|
|
def _addpath(
|
|
|
self,
|
|
|
f,
|
|
|
mode=0,
|
|
|
size=None,
|
|
|
mtime=None,
|
|
|
added=False,
|
|
|
merged=False,
|
|
|
from_p2=False,
|
|
|
possibly_dirty=False,
|
|
|
):
|
|
|
entry = self._map.get(f)
|
|
|
if added or entry is not None and entry.removed:
|
|
|
scmutil.checkfilename(f)
|
|
|
if self._map.hastrackeddir(f):
|
|
|
msg = _(b'directory %r already in dirstate')
|
|
|
msg %= pycompat.bytestr(f)
|
|
|
raise error.Abort(msg)
|
|
|
# shadows
|
|
|
for d in pathutil.finddirs(f):
|
|
|
if self._map.hastrackeddir(d):
|
|
|
break
|
|
|
entry = self._map.get(d)
|
|
|
if entry is not None and not entry.removed:
|
|
|
msg = _(b'file %r in dirstate clashes with %r')
|
|
|
msg %= (pycompat.bytestr(d), pycompat.bytestr(f))
|
|
|
raise error.Abort(msg)
|
|
|
self._dirty = True
|
|
|
self._updatedfiles.add(f)
|
|
|
self._map.addfile(
|
|
|
f,
|
|
|
mode=mode,
|
|
|
size=size,
|
|
|
mtime=mtime,
|
|
|
added=added,
|
|
|
merged=merged,
|
|
|
from_p2=from_p2,
|
|
|
possibly_dirty=possibly_dirty,
|
|
|
)
|
|
|
|
|
|
def _get_filedata(self, filename):
|
|
|
"""returns"""
|
|
|
s = os.lstat(self._join(filename))
|
|
|
mode = s.st_mode
|
|
|
size = s.st_size
|
|
|
mtime = s[stat.ST_MTIME]
|
|
|
return (mode, size, mtime)
|
|
|
|
|
|
def _normallookup(self, f):
|
|
|
'''Mark a file normal, but possibly dirty.'''
|
|
|
if self.in_merge:
|
|
|
# if there is a merge going on and the file was either
|
|
|
# "merged" or coming from other parent (-2) before
|
|
|
# being removed, restore that state.
|
|
|
entry = self._map.get(f)
|
|
|
if entry is not None:
|
|
|
# XXX this should probably be dealt with a a lower level
|
|
|
# (see `merged_removed` and `from_p2_removed`)
|
|
|
if entry.merged_removed or entry.from_p2_removed:
|
|
|
source = self._map.copymap.get(f)
|
|
|
self._addpath(f, from_p2=True)
|
|
|
self._map.copymap.pop(f, None)
|
|
|
if source is not None:
|
|
|
self.copy(source, f)
|
|
|
return
|
|
|
elif entry.merged or entry.from_p2:
|
|
|
return
|
|
|
self._addpath(f, possibly_dirty=True)
|
|
|
self._map.copymap.pop(f, None)
|
|
|
|
|
|
def _add(self, filename):
|
|
|
"""internal function to mark a file as added"""
|
|
|
self._addpath(filename, added=True)
|
|
|
self._map.copymap.pop(filename, None)
|
|
|
|
|
|
def _drop(self, filename):
|
|
|
"""internal function to drop a file from the dirstate"""
|
|
|
if self._map.dropfile(filename):
|
|
|
self._dirty = True
|
|
|
self._updatedfiles.add(filename)
|
|
|
|
|
|
def _discoverpath(self, path, normed, ignoremissing, exists, storemap):
|
|
|
if exists is None:
|
|
|
exists = os.path.lexists(os.path.join(self._root, path))
|
|
|
if not exists:
|
|
|
# Maybe a path component exists
|
|
|
if not ignoremissing and b'/' in path:
|
|
|
d, f = path.rsplit(b'/', 1)
|
|
|
d = self._normalize(d, False, ignoremissing, None)
|
|
|
folded = d + b"/" + f
|
|
|
else:
|
|
|
# No path components, preserve original case
|
|
|
folded = path
|
|
|
else:
|
|
|
# recursively normalize leading directory components
|
|
|
# against dirstate
|
|
|
if b'/' in normed:
|
|
|
d, f = normed.rsplit(b'/', 1)
|
|
|
d = self._normalize(d, False, ignoremissing, True)
|
|
|
r = self._root + b"/" + d
|
|
|
folded = d + b"/" + util.fspath(f, r)
|
|
|
else:
|
|
|
folded = util.fspath(normed, self._root)
|
|
|
storemap[normed] = folded
|
|
|
|
|
|
return folded
|
|
|
|
|
|
def _normalizefile(self, path, isknown, ignoremissing=False, exists=None):
|
|
|
normed = util.normcase(path)
|
|
|
folded = self._map.filefoldmap.get(normed, None)
|
|
|
if folded is None:
|
|
|
if isknown:
|
|
|
folded = path
|
|
|
else:
|
|
|
folded = self._discoverpath(
|
|
|
path, normed, ignoremissing, exists, self._map.filefoldmap
|
|
|
)
|
|
|
return folded
|
|
|
|
|
|
def _normalize(self, path, isknown, ignoremissing=False, exists=None):
|
|
|
normed = util.normcase(path)
|
|
|
folded = self._map.filefoldmap.get(normed, None)
|
|
|
if folded is None:
|
|
|
folded = self._map.dirfoldmap.get(normed, None)
|
|
|
if folded is None:
|
|
|
if isknown:
|
|
|
folded = path
|
|
|
else:
|
|
|
# store discovered result in dirfoldmap so that future
|
|
|
# normalizefile calls don't start matching directories
|
|
|
folded = self._discoverpath(
|
|
|
path, normed, ignoremissing, exists, self._map.dirfoldmap
|
|
|
)
|
|
|
return folded
|
|
|
|
|
|
def normalize(self, path, isknown=False, ignoremissing=False):
|
|
|
"""
|
|
|
normalize the case of a pathname when on a casefolding filesystem
|
|
|
|
|
|
isknown specifies whether the filename came from walking the
|
|
|
disk, to avoid extra filesystem access.
|
|
|
|
|
|
If ignoremissing is True, missing path are returned
|
|
|
unchanged. Otherwise, we try harder to normalize possibly
|
|
|
existing path components.
|
|
|
|
|
|
The normalized case is determined based on the following precedence:
|
|
|
|
|
|
- version of name already stored in the dirstate
|
|
|
- version of name stored on disk
|
|
|
- version provided via command arguments
|
|
|
"""
|
|
|
|
|
|
if self._checkcase:
|
|
|
return self._normalize(path, isknown, ignoremissing)
|
|
|
return path
|
|
|
|
|
|
def clear(self):
|
|
|
self._map.clear()
|
|
|
self._lastnormaltime = 0
|
|
|
self._updatedfiles.clear()
|
|
|
self._dirty = True
|
|
|
|
|
|
def rebuild(self, parent, allfiles, changedfiles=None):
|
|
|
if changedfiles is None:
|
|
|
# Rebuild entire dirstate
|
|
|
to_lookup = allfiles
|
|
|
to_drop = []
|
|
|
lastnormaltime = self._lastnormaltime
|
|
|
self.clear()
|
|
|
self._lastnormaltime = lastnormaltime
|
|
|
elif len(changedfiles) < 10:
|
|
|
# Avoid turning allfiles into a set, which can be expensive if it's
|
|
|
# large.
|
|
|
to_lookup = []
|
|
|
to_drop = []
|
|
|
for f in changedfiles:
|
|
|
if f in allfiles:
|
|
|
to_lookup.append(f)
|
|
|
else:
|
|
|
to_drop.append(f)
|
|
|
else:
|
|
|
changedfilesset = set(changedfiles)
|
|
|
to_lookup = changedfilesset & set(allfiles)
|
|
|
to_drop = changedfilesset - to_lookup
|
|
|
|
|
|
if self._origpl is None:
|
|
|
self._origpl = self._pl
|
|
|
self._map.setparents(parent, self._nodeconstants.nullid)
|
|
|
|
|
|
for f in to_lookup:
|
|
|
self._normallookup(f)
|
|
|
for f in to_drop:
|
|
|
self._drop(f)
|
|
|
|
|
|
self._dirty = True
|
|
|
|
|
|
def identity(self):
|
|
|
"""Return identity of dirstate itself to detect changing in storage
|
|
|
|
|
|
If identity of previous dirstate is equal to this, writing
|
|
|
changes based on the former dirstate out can keep consistency.
|
|
|
"""
|
|
|
return self._map.identity
|
|
|
|
|
|
def write(self, tr):
|
|
|
if not self._dirty:
|
|
|
return
|
|
|
|
|
|
filename = self._filename
|
|
|
if tr:
|
|
|
# 'dirstate.write()' is not only for writing in-memory
|
|
|
# changes out, but also for dropping ambiguous timestamp.
|
|
|
# delayed writing re-raise "ambiguous timestamp issue".
|
|
|
# See also the wiki page below for detail:
|
|
|
# https://www.mercurial-scm.org/wiki/DirstateTransactionPlan
|
|
|
|
|
|
# emulate dropping timestamp in 'parsers.pack_dirstate'
|
|
|
now = _getfsnow(self._opener)
|
|
|
self._map.clearambiguoustimes(self._updatedfiles, now)
|
|
|
|
|
|
# emulate that all 'dirstate.normal' results are written out
|
|
|
self._lastnormaltime = 0
|
|
|
self._updatedfiles.clear()
|
|
|
|
|
|
# delay writing in-memory changes out
|
|
|
tr.addfilegenerator(
|
|
|
b'dirstate',
|
|
|
(self._filename,),
|
|
|
lambda f: self._writedirstate(tr, f),
|
|
|
location=b'plain',
|
|
|
)
|
|
|
return
|
|
|
|
|
|
st = self._opener(filename, b"w", atomictemp=True, checkambig=True)
|
|
|
self._writedirstate(tr, st)
|
|
|
|
|
|
def addparentchangecallback(self, category, callback):
|
|
|
"""add a callback to be called when the wd parents are changed
|
|
|
|
|
|
Callback will be called with the following arguments:
|
|
|
dirstate, (oldp1, oldp2), (newp1, newp2)
|
|
|
|
|
|
Category is a unique identifier to allow overwriting an old callback
|
|
|
with a newer callback.
|
|
|
"""
|
|
|
self._plchangecallbacks[category] = callback
|
|
|
|
|
|
def _writedirstate(self, tr, st):
|
|
|
# notify callbacks about parents change
|
|
|
if self._origpl is not None and self._origpl != self._pl:
|
|
|
for c, callback in sorted(
|
|
|
pycompat.iteritems(self._plchangecallbacks)
|
|
|
):
|
|
|
callback(self, self._origpl, self._pl)
|
|
|
self._origpl = None
|
|
|
# use the modification time of the newly created temporary file as the
|
|
|
# filesystem's notion of 'now'
|
|
|
now = util.fstat(st)[stat.ST_MTIME] & _rangemask
|
|
|
|
|
|
# enough 'delaywrite' prevents 'pack_dirstate' from dropping
|
|
|
# timestamp of each entries in dirstate, because of 'now > mtime'
|
|
|
delaywrite = self._ui.configint(b'debug', b'dirstate.delaywrite')
|
|
|
if delaywrite > 0:
|
|
|
# do we have any files to delay for?
|
|
|
for f, e in pycompat.iteritems(self._map):
|
|
|
if e.need_delay(now):
|
|
|
import time # to avoid useless import
|
|
|
|
|
|
# rather than sleep n seconds, sleep until the next
|
|
|
# multiple of n seconds
|
|
|
clock = time.time()
|
|
|
start = int(clock) - (int(clock) % delaywrite)
|
|
|
end = start + delaywrite
|
|
|
time.sleep(end - clock)
|
|
|
now = end # trust our estimate that the end is near now
|
|
|
break
|
|
|
|
|
|
self._map.write(tr, st, now)
|
|
|
self._lastnormaltime = 0
|
|
|
self._dirty = False
|
|
|
|
|
|
def _dirignore(self, f):
|
|
|
if self._ignore(f):
|
|
|
return True
|
|
|
for p in pathutil.finddirs(f):
|
|
|
if self._ignore(p):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
def _ignorefiles(self):
|
|
|
files = []
|
|
|
if os.path.exists(self._join(b'.hgignore')):
|
|
|
files.append(self._join(b'.hgignore'))
|
|
|
for name, path in self._ui.configitems(b"ui"):
|
|
|
if name == b'ignore' or name.startswith(b'ignore.'):
|
|
|
# we need to use os.path.join here rather than self._join
|
|
|
# because path is arbitrary and user-specified
|
|
|
files.append(os.path.join(self._rootdir, util.expandpath(path)))
|
|
|
return files
|
|
|
|
|
|
def _ignorefileandline(self, f):
|
|
|
files = collections.deque(self._ignorefiles())
|
|
|
visited = set()
|
|
|
while files:
|
|
|
i = files.popleft()
|
|
|
patterns = matchmod.readpatternfile(
|
|
|
i, self._ui.warn, sourceinfo=True
|
|
|
)
|
|
|
for pattern, lineno, line in patterns:
|
|
|
kind, p = matchmod._patsplit(pattern, b'glob')
|
|
|
if kind == b"subinclude":
|
|
|
if p not in visited:
|
|
|
files.append(p)
|
|
|
continue
|
|
|
m = matchmod.match(
|
|
|
self._root, b'', [], [pattern], warn=self._ui.warn
|
|
|
)
|
|
|
if m(f):
|
|
|
return (i, lineno, line)
|
|
|
visited.add(i)
|
|
|
return (None, -1, b"")
|
|
|
|
|
|
def _walkexplicit(self, match, subrepos):
|
|
|
"""Get stat data about the files explicitly specified by match.
|
|
|
|
|
|
Return a triple (results, dirsfound, dirsnotfound).
|
|
|
- results is a mapping from filename to stat result. It also contains
|
|
|
listings mapping subrepos and .hg to None.
|
|
|
- dirsfound is a list of files found to be directories.
|
|
|
- dirsnotfound is a list of files that the dirstate thinks are
|
|
|
directories and that were not found."""
|
|
|
|
|
|
def badtype(mode):
|
|
|
kind = _(b'unknown')
|
|
|
if stat.S_ISCHR(mode):
|
|
|
kind = _(b'character device')
|
|
|
elif stat.S_ISBLK(mode):
|
|
|
kind = _(b'block device')
|
|
|
elif stat.S_ISFIFO(mode):
|
|
|
kind = _(b'fifo')
|
|
|
elif stat.S_ISSOCK(mode):
|
|
|
kind = _(b'socket')
|
|
|
elif stat.S_ISDIR(mode):
|
|
|
kind = _(b'directory')
|
|
|
return _(b'unsupported file type (type is %s)') % kind
|
|
|
|
|
|
badfn = match.bad
|
|
|
dmap = self._map
|
|
|
lstat = os.lstat
|
|
|
getkind = stat.S_IFMT
|
|
|
dirkind = stat.S_IFDIR
|
|
|
regkind = stat.S_IFREG
|
|
|
lnkkind = stat.S_IFLNK
|
|
|
join = self._join
|
|
|
dirsfound = []
|
|
|
foundadd = dirsfound.append
|
|
|
dirsnotfound = []
|
|
|
notfoundadd = dirsnotfound.append
|
|
|
|
|
|
if not match.isexact() and self._checkcase:
|
|
|
normalize = self._normalize
|
|
|
else:
|
|
|
normalize = None
|
|
|
|
|
|
files = sorted(match.files())
|
|
|
subrepos.sort()
|
|
|
i, j = 0, 0
|
|
|
while i < len(files) and j < len(subrepos):
|
|
|
subpath = subrepos[j] + b"/"
|
|
|
if files[i] < subpath:
|
|
|
i += 1
|
|
|
continue
|
|
|
while i < len(files) and files[i].startswith(subpath):
|
|
|
del files[i]
|
|
|
j += 1
|
|
|
|
|
|
if not files or b'' in files:
|
|
|
files = [b'']
|
|
|
# constructing the foldmap is expensive, so don't do it for the
|
|
|
# common case where files is ['']
|
|
|
normalize = None
|
|
|
results = dict.fromkeys(subrepos)
|
|
|
results[b'.hg'] = None
|
|
|
|
|
|
for ff in files:
|
|
|
if normalize:
|
|
|
nf = normalize(ff, False, True)
|
|
|
else:
|
|
|
nf = ff
|
|
|
if nf in results:
|
|
|
continue
|
|
|
|
|
|
try:
|
|
|
st = lstat(join(nf))
|
|
|
kind = getkind(st.st_mode)
|
|
|
if kind == dirkind:
|
|
|
if nf in dmap:
|
|
|
# file replaced by dir on disk but still in dirstate
|
|
|
results[nf] = None
|
|
|
foundadd((nf, ff))
|
|
|
elif kind == regkind or kind == lnkkind:
|
|
|
results[nf] = st
|
|
|
else:
|
|
|
badfn(ff, badtype(kind))
|
|
|
if nf in dmap:
|
|
|
results[nf] = None
|
|
|
except OSError as inst: # nf not found on disk - it is dirstate only
|
|
|
if nf in dmap: # does it exactly match a missing file?
|
|
|
results[nf] = None
|
|
|
else: # does it match a missing directory?
|
|
|
if self._map.hasdir(nf):
|
|
|
notfoundadd(nf)
|
|
|
else:
|
|
|
badfn(ff, encoding.strtolocal(inst.strerror))
|
|
|
|
|
|
# match.files() may contain explicitly-specified paths that shouldn't
|
|
|
# be taken; drop them from the list of files found. dirsfound/notfound
|
|
|
# aren't filtered here because they will be tested later.
|
|
|
if match.anypats():
|
|
|
for f in list(results):
|
|
|
if f == b'.hg' or f in subrepos:
|
|
|
# keep sentinel to disable further out-of-repo walks
|
|
|
continue
|
|
|
if not match(f):
|
|
|
del results[f]
|
|
|
|
|
|
# Case insensitive filesystems cannot rely on lstat() failing to detect
|
|
|
# a case-only rename. Prune the stat object for any file that does not
|
|
|
# match the case in the filesystem, if there are multiple files that
|
|
|
# normalize to the same path.
|
|
|
if match.isexact() and self._checkcase:
|
|
|
normed = {}
|
|
|
|
|
|
for f, st in pycompat.iteritems(results):
|
|
|
if st is None:
|
|
|
continue
|
|
|
|
|
|
nc = util.normcase(f)
|
|
|
paths = normed.get(nc)
|
|
|
|
|
|
if paths is None:
|
|
|
paths = set()
|
|
|
normed[nc] = paths
|
|
|
|
|
|
paths.add(f)
|
|
|
|
|
|
for norm, paths in pycompat.iteritems(normed):
|
|
|
if len(paths) > 1:
|
|
|
for path in paths:
|
|
|
folded = self._discoverpath(
|
|
|
path, norm, True, None, self._map.dirfoldmap
|
|
|
)
|
|
|
if path != folded:
|
|
|
results[path] = None
|
|
|
|
|
|
return results, dirsfound, dirsnotfound
|
|
|
|
|
|
def walk(self, match, subrepos, unknown, ignored, full=True):
|
|
|
"""
|
|
|
Walk recursively through the directory tree, finding all files
|
|
|
matched by match.
|
|
|
|
|
|
If full is False, maybe skip some known-clean files.
|
|
|
|
|
|
Return a dict mapping filename to stat-like object (either
|
|
|
mercurial.osutil.stat instance or return value of os.stat()).
|
|
|
|
|
|
"""
|
|
|
# full is a flag that extensions that hook into walk can use -- this
|
|
|
# implementation doesn't use it at all. This satisfies the contract
|
|
|
# because we only guarantee a "maybe".
|
|
|
|
|
|
if ignored:
|
|
|
ignore = util.never
|
|
|
dirignore = util.never
|
|
|
elif unknown:
|
|
|
ignore = self._ignore
|
|
|
dirignore = self._dirignore
|
|
|
else:
|
|
|
# if not unknown and not ignored, drop dir recursion and step 2
|
|
|
ignore = util.always
|
|
|
dirignore = util.always
|
|
|
|
|
|
matchfn = match.matchfn
|
|
|
matchalways = match.always()
|
|
|
matchtdir = match.traversedir
|
|
|
dmap = self._map
|
|
|
listdir = util.listdir
|
|
|
lstat = os.lstat
|
|
|
dirkind = stat.S_IFDIR
|
|
|
regkind = stat.S_IFREG
|
|
|
lnkkind = stat.S_IFLNK
|
|
|
join = self._join
|
|
|
|
|
|
exact = skipstep3 = False
|
|
|
if match.isexact(): # match.exact
|
|
|
exact = True
|
|
|
dirignore = util.always # skip step 2
|
|
|
elif match.prefix(): # match.match, no patterns
|
|
|
skipstep3 = True
|
|
|
|
|
|
if not exact and self._checkcase:
|
|
|
normalize = self._normalize
|
|
|
normalizefile = self._normalizefile
|
|
|
skipstep3 = False
|
|
|
else:
|
|
|
normalize = self._normalize
|
|
|
normalizefile = None
|
|
|
|
|
|
# step 1: find all explicit files
|
|
|
results, work, dirsnotfound = self._walkexplicit(match, subrepos)
|
|
|
if matchtdir:
|
|
|
for d in work:
|
|
|
matchtdir(d[0])
|
|
|
for d in dirsnotfound:
|
|
|
matchtdir(d)
|
|
|
|
|
|
skipstep3 = skipstep3 and not (work or dirsnotfound)
|
|
|
work = [d for d in work if not dirignore(d[0])]
|
|
|
|
|
|
# step 2: visit subdirectories
|
|
|
def traverse(work, alreadynormed):
|
|
|
wadd = work.append
|
|
|
while work:
|
|
|
tracing.counter('dirstate.walk work', len(work))
|
|
|
nd = work.pop()
|
|
|
visitentries = match.visitchildrenset(nd)
|
|
|
if not visitentries:
|
|
|
continue
|
|
|
if visitentries == b'this' or visitentries == b'all':
|
|
|
visitentries = None
|
|
|
skip = None
|
|
|
if nd != b'':
|
|
|
skip = b'.hg'
|
|
|
try:
|
|
|
with tracing.log('dirstate.walk.traverse listdir %s', nd):
|
|
|
entries = listdir(join(nd), stat=True, skip=skip)
|
|
|
except OSError as inst:
|
|
|
if inst.errno in (errno.EACCES, errno.ENOENT):
|
|
|
match.bad(
|
|
|
self.pathto(nd), encoding.strtolocal(inst.strerror)
|
|
|
)
|
|
|
continue
|
|
|
raise
|
|
|
for f, kind, st in entries:
|
|
|
# Some matchers may return files in the visitentries set,
|
|
|
# instead of 'this', if the matcher explicitly mentions them
|
|
|
# and is not an exactmatcher. This is acceptable; we do not
|
|
|
# make any hard assumptions about file-or-directory below
|
|
|
# based on the presence of `f` in visitentries. If
|
|
|
# visitchildrenset returned a set, we can always skip the
|
|
|
# entries *not* in the set it provided regardless of whether
|
|
|
# they're actually a file or a directory.
|
|
|
if visitentries and f not in visitentries:
|
|
|
continue
|
|
|
if normalizefile:
|
|
|
# even though f might be a directory, we're only
|
|
|
# interested in comparing it to files currently in the
|
|
|
# dmap -- therefore normalizefile is enough
|
|
|
nf = normalizefile(
|
|
|
nd and (nd + b"/" + f) or f, True, True
|
|
|
)
|
|
|
else:
|
|
|
nf = nd and (nd + b"/" + f) or f
|
|
|
if nf not in results:
|
|
|
if kind == dirkind:
|
|
|
if not ignore(nf):
|
|
|
if matchtdir:
|
|
|
matchtdir(nf)
|
|
|
wadd(nf)
|
|
|
if nf in dmap and (matchalways or matchfn(nf)):
|
|
|
results[nf] = None
|
|
|
elif kind == regkind or kind == lnkkind:
|
|
|
if nf in dmap:
|
|
|
if matchalways or matchfn(nf):
|
|
|
results[nf] = st
|
|
|
elif (matchalways or matchfn(nf)) and not ignore(
|
|
|
nf
|
|
|
):
|
|
|
# unknown file -- normalize if necessary
|
|
|
if not alreadynormed:
|
|
|
nf = normalize(nf, False, True)
|
|
|
results[nf] = st
|
|
|
elif nf in dmap and (matchalways or matchfn(nf)):
|
|
|
results[nf] = None
|
|
|
|
|
|
for nd, d in work:
|
|
|
# alreadynormed means that processwork doesn't have to do any
|
|
|
# expensive directory normalization
|
|
|
alreadynormed = not normalize or nd == d
|
|
|
traverse([d], alreadynormed)
|
|
|
|
|
|
for s in subrepos:
|
|
|
del results[s]
|
|
|
del results[b'.hg']
|
|
|
|
|
|
# step 3: visit remaining files from dmap
|
|
|
if not skipstep3 and not exact:
|
|
|
# If a dmap file is not in results yet, it was either
|
|
|
# a) not matching matchfn b) ignored, c) missing, or d) under a
|
|
|
# symlink directory.
|
|
|
if not results and matchalways:
|
|
|
visit = [f for f in dmap]
|
|
|
else:
|
|
|
visit = [f for f in dmap if f not in results and matchfn(f)]
|
|
|
visit.sort()
|
|
|
|
|
|
if unknown:
|
|
|
# unknown == True means we walked all dirs under the roots
|
|
|
# that wasn't ignored, and everything that matched was stat'ed
|
|
|
# and is already in results.
|
|
|
# The rest must thus be ignored or under a symlink.
|
|
|
audit_path = pathutil.pathauditor(self._root, cached=True)
|
|
|
|
|
|
for nf in iter(visit):
|
|
|
# If a stat for the same file was already added with a
|
|
|
# different case, don't add one for this, since that would
|
|
|
# make it appear as if the file exists under both names
|
|
|
# on disk.
|
|
|
if (
|
|
|
normalizefile
|
|
|
and normalizefile(nf, True, True) in results
|
|
|
):
|
|
|
results[nf] = None
|
|
|
# Report ignored items in the dmap as long as they are not
|
|
|
# under a symlink directory.
|
|
|
elif audit_path.check(nf):
|
|
|
try:
|
|
|
results[nf] = lstat(join(nf))
|
|
|
# file was just ignored, no links, and exists
|
|
|
except OSError:
|
|
|
# file doesn't exist
|
|
|
results[nf] = None
|
|
|
else:
|
|
|
# It's either missing or under a symlink directory
|
|
|
# which we in this case report as missing
|
|
|
results[nf] = None
|
|
|
else:
|
|
|
# We may not have walked the full directory tree above,
|
|
|
# so stat and check everything we missed.
|
|
|
iv = iter(visit)
|
|
|
for st in util.statfiles([join(i) for i in visit]):
|
|
|
results[next(iv)] = st
|
|
|
return results
|
|
|
|
|
|
def _rust_status(self, matcher, list_clean, list_ignored, list_unknown):
|
|
|
# Force Rayon (Rust parallelism library) to respect the number of
|
|
|
# workers. This is a temporary workaround until Rust code knows
|
|
|
# how to read the config file.
|
|
|
numcpus = self._ui.configint(b"worker", b"numcpus")
|
|
|
if numcpus is not None:
|
|
|
encoding.environ.setdefault(b'RAYON_NUM_THREADS', b'%d' % numcpus)
|
|
|
|
|
|
workers_enabled = self._ui.configbool(b"worker", b"enabled", True)
|
|
|
if not workers_enabled:
|
|
|
encoding.environ[b"RAYON_NUM_THREADS"] = b"1"
|
|
|
|
|
|
(
|
|
|
lookup,
|
|
|
modified,
|
|
|
added,
|
|
|
removed,
|
|
|
deleted,
|
|
|
clean,
|
|
|
ignored,
|
|
|
unknown,
|
|
|
warnings,
|
|
|
bad,
|
|
|
traversed,
|
|
|
dirty,
|
|
|
) = rustmod.status(
|
|
|
self._map._rustmap,
|
|
|
matcher,
|
|
|
self._rootdir,
|
|
|
self._ignorefiles(),
|
|
|
self._checkexec,
|
|
|
self._lastnormaltime,
|
|
|
bool(list_clean),
|
|
|
bool(list_ignored),
|
|
|
bool(list_unknown),
|
|
|
bool(matcher.traversedir),
|
|
|
)
|
|
|
|
|
|
self._dirty |= dirty
|
|
|
|
|
|
if matcher.traversedir:
|
|
|
for dir in traversed:
|
|
|
matcher.traversedir(dir)
|
|
|
|
|
|
if self._ui.warn:
|
|
|
for item in warnings:
|
|
|
if isinstance(item, tuple):
|
|
|
file_path, syntax = item
|
|
|
msg = _(b"%s: ignoring invalid syntax '%s'\n") % (
|
|
|
file_path,
|
|
|
syntax,
|
|
|
)
|
|
|
self._ui.warn(msg)
|
|
|
else:
|
|
|
msg = _(b"skipping unreadable pattern file '%s': %s\n")
|
|
|
self._ui.warn(
|
|
|
msg
|
|
|
% (
|
|
|
pathutil.canonpath(
|
|
|
self._rootdir, self._rootdir, item
|
|
|
),
|
|
|
b"No such file or directory",
|
|
|
)
|
|
|
)
|
|
|
|
|
|
for (fn, message) in bad:
|
|
|
matcher.bad(fn, encoding.strtolocal(message))
|
|
|
|
|
|
status = scmutil.status(
|
|
|
modified=modified,
|
|
|
added=added,
|
|
|
removed=removed,
|
|
|
deleted=deleted,
|
|
|
unknown=unknown,
|
|
|
ignored=ignored,
|
|
|
clean=clean,
|
|
|
)
|
|
|
return (lookup, status)
|
|
|
|
|
|
def status(self, match, subrepos, ignored, clean, unknown):
|
|
|
"""Determine the status of the working copy relative to the
|
|
|
dirstate and return a pair of (unsure, status), where status is of type
|
|
|
scmutil.status and:
|
|
|
|
|
|
unsure:
|
|
|
files that might have been modified since the dirstate was
|
|
|
written, but need to be read to be sure (size is the same
|
|
|
but mtime differs)
|
|
|
status.modified:
|
|
|
files that have definitely been modified since the dirstate
|
|
|
was written (different size or mode)
|
|
|
status.clean:
|
|
|
files that have definitely not been modified since the
|
|
|
dirstate was written
|
|
|
"""
|
|
|
listignored, listclean, listunknown = ignored, clean, unknown
|
|
|
lookup, modified, added, unknown, ignored = [], [], [], [], []
|
|
|
removed, deleted, clean = [], [], []
|
|
|
|
|
|
dmap = self._map
|
|
|
dmap.preload()
|
|
|
|
|
|
use_rust = True
|
|
|
|
|
|
allowed_matchers = (
|
|
|
matchmod.alwaysmatcher,
|
|
|
matchmod.exactmatcher,
|
|
|
matchmod.includematcher,
|
|
|
)
|
|
|
|
|
|
if rustmod is None:
|
|
|
use_rust = False
|
|
|
elif self._checkcase:
|
|
|
# Case-insensitive filesystems are not handled yet
|
|
|
use_rust = False
|
|
|
elif subrepos:
|
|
|
use_rust = False
|
|
|
elif sparse.enabled:
|
|
|
use_rust = False
|
|
|
elif not isinstance(match, allowed_matchers):
|
|
|
# Some matchers have yet to be implemented
|
|
|
use_rust = False
|
|
|
|
|
|
if use_rust:
|
|
|
try:
|
|
|
return self._rust_status(
|
|
|
match, listclean, listignored, listunknown
|
|
|
)
|
|
|
except rustmod.FallbackError:
|
|
|
pass
|
|
|
|
|
|
def noop(f):
|
|
|
pass
|
|
|
|
|
|
dcontains = dmap.__contains__
|
|
|
dget = dmap.__getitem__
|
|
|
ladd = lookup.append # aka "unsure"
|
|
|
madd = modified.append
|
|
|
aadd = added.append
|
|
|
uadd = unknown.append if listunknown else noop
|
|
|
iadd = ignored.append if listignored else noop
|
|
|
radd = removed.append
|
|
|
dadd = deleted.append
|
|
|
cadd = clean.append if listclean else noop
|
|
|
mexact = match.exact
|
|
|
dirignore = self._dirignore
|
|
|
checkexec = self._checkexec
|
|
|
copymap = self._map.copymap
|
|
|
lastnormaltime = self._lastnormaltime
|
|
|
|
|
|
# We need to do full walks when either
|
|
|
# - we're listing all clean files, or
|
|
|
# - match.traversedir does something, because match.traversedir should
|
|
|
# be called for every dir in the working dir
|
|
|
full = listclean or match.traversedir is not None
|
|
|
for fn, st in pycompat.iteritems(
|
|
|
self.walk(match, subrepos, listunknown, listignored, full=full)
|
|
|
):
|
|
|
if not dcontains(fn):
|
|
|
if (listignored or mexact(fn)) and dirignore(fn):
|
|
|
if listignored:
|
|
|
iadd(fn)
|
|
|
else:
|
|
|
uadd(fn)
|
|
|
continue
|
|
|
|
|
|
# This is equivalent to 'state, mode, size, time = dmap[fn]' but not
|
|
|
# written like that for performance reasons. dmap[fn] is not a
|
|
|
# Python tuple in compiled builds. The CPython UNPACK_SEQUENCE
|
|
|
# opcode has fast paths when the value to be unpacked is a tuple or
|
|
|
# a list, but falls back to creating a full-fledged iterator in
|
|
|
# general. That is much slower than simply accessing and storing the
|
|
|
# tuple members one by one.
|
|
|
t = dget(fn)
|
|
|
mode = t.mode
|
|
|
size = t.size
|
|
|
time = t.mtime
|
|
|
|
|
|
if not st and t.tracked:
|
|
|
dadd(fn)
|
|
|
elif t.merged:
|
|
|
madd(fn)
|
|
|
elif t.added:
|
|
|
aadd(fn)
|
|
|
elif t.removed:
|
|
|
radd(fn)
|
|
|
elif t.tracked:
|
|
|
if (
|
|
|
size >= 0
|
|
|
and (
|
|
|
(size != st.st_size and size != st.st_size & _rangemask)
|
|
|
or ((mode ^ st.st_mode) & 0o100 and checkexec)
|
|
|
)
|
|
|
or t.from_p2
|
|
|
or fn in copymap
|
|
|
):
|
|
|
if stat.S_ISLNK(st.st_mode) and size != st.st_size:
|
|
|
# issue6456: Size returned may be longer due to
|
|
|
# encryption on EXT-4 fscrypt, undecided.
|
|
|
ladd(fn)
|
|
|
else:
|
|
|
madd(fn)
|
|
|
elif (
|
|
|
time != st[stat.ST_MTIME]
|
|
|
and time != st[stat.ST_MTIME] & _rangemask
|
|
|
):
|
|
|
ladd(fn)
|
|
|
elif st[stat.ST_MTIME] == lastnormaltime:
|
|
|
# fn may have just been marked as normal and it may have
|
|
|
# changed in the same second without changing its size.
|
|
|
# This can happen if we quickly do multiple commits.
|
|
|
# Force lookup, so we don't miss such a racy file change.
|
|
|
ladd(fn)
|
|
|
elif listclean:
|
|
|
cadd(fn)
|
|
|
status = scmutil.status(
|
|
|
modified, added, removed, deleted, unknown, ignored, clean
|
|
|
)
|
|
|
return (lookup, status)
|
|
|
|
|
|
def matches(self, match):
|
|
|
"""
|
|
|
return files in the dirstate (in whatever state) filtered by match
|
|
|
"""
|
|
|
dmap = self._map
|
|
|
if rustmod is not None:
|
|
|
dmap = self._map._rustmap
|
|
|
|
|
|
if match.always():
|
|
|
return dmap.keys()
|
|
|
files = match.files()
|
|
|
if match.isexact():
|
|
|
# fast path -- filter the other way around, since typically files is
|
|
|
# much smaller than dmap
|
|
|
return [f for f in files if f in dmap]
|
|
|
if match.prefix() and all(fn in dmap for fn in files):
|
|
|
# fast path -- all the values are known to be files, so just return
|
|
|
# that
|
|
|
return list(files)
|
|
|
return [f for f in dmap if match(f)]
|
|
|
|
|
|
def _actualfilename(self, tr):
|
|
|
if tr:
|
|
|
return self._pendingfilename
|
|
|
else:
|
|
|
return self._filename
|
|
|
|
|
|
def savebackup(self, tr, backupname):
|
|
|
'''Save current dirstate into backup file'''
|
|
|
filename = self._actualfilename(tr)
|
|
|
assert backupname != filename
|
|
|
|
|
|
# use '_writedirstate' instead of 'write' to write changes certainly,
|
|
|
# because the latter omits writing out if transaction is running.
|
|
|
# output file will be used to create backup of dirstate at this point.
|
|
|
if self._dirty or not self._opener.exists(filename):
|
|
|
self._writedirstate(
|
|
|
tr,
|
|
|
self._opener(filename, b"w", atomictemp=True, checkambig=True),
|
|
|
)
|
|
|
|
|
|
if tr:
|
|
|
# ensure that subsequent tr.writepending returns True for
|
|
|
# changes written out above, even if dirstate is never
|
|
|
# changed after this
|
|
|
tr.addfilegenerator(
|
|
|
b'dirstate',
|
|
|
(self._filename,),
|
|
|
lambda f: self._writedirstate(tr, f),
|
|
|
location=b'plain',
|
|
|
)
|
|
|
|
|
|
# ensure that pending file written above is unlinked at
|
|
|
# failure, even if tr.writepending isn't invoked until the
|
|
|
# end of this transaction
|
|
|
tr.registertmp(filename, location=b'plain')
|
|
|
|
|
|
self._opener.tryunlink(backupname)
|
|
|
# hardlink backup is okay because _writedirstate is always called
|
|
|
# with an "atomictemp=True" file.
|
|
|
util.copyfile(
|
|
|
self._opener.join(filename),
|
|
|
self._opener.join(backupname),
|
|
|
hardlink=True,
|
|
|
)
|
|
|
|
|
|
def restorebackup(self, tr, backupname):
|
|
|
'''Restore dirstate by backup file'''
|
|
|
# this "invalidate()" prevents "wlock.release()" from writing
|
|
|
# changes of dirstate out after restoring from backup file
|
|
|
self.invalidate()
|
|
|
filename = self._actualfilename(tr)
|
|
|
o = self._opener
|
|
|
if util.samefile(o.join(backupname), o.join(filename)):
|
|
|
o.unlink(backupname)
|
|
|
else:
|
|
|
o.rename(backupname, filename, checkambig=True)
|
|
|
|
|
|
def clearbackup(self, tr, backupname):
|
|
|
'''Clear backup file'''
|
|
|
self._opener.unlink(backupname)
|
|
|
|