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# dirstate.py - working directory tracking 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 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 .node import nullid
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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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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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txnutil,
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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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propertycache = util.propertycache
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filecache = scmutil.filecache
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_rangemask = 0x7FFFFFFF
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dirstatetuple = parsers.dirstatetuple
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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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@interfaceutil.implementer(intdirstate.idirstate)
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class dirstate(object):
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def __init__(self, opener, ui, root, validate, sparsematchfn):
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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._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
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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(self._ui, self._opener, self._root)
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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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'''
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return self._map.get(key, (b"?",))[0]
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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 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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def branch(self):
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return encoding.tolocal(self._branch)
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def setparents(self, p1, p2=nullid):
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"""Set dirstate parents to p1 and p2.
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When moving from two parents to one, 'm' 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 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 oldp2 != nullid and p2 == nullid:
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candidatefiles = self._map.nonnormalset.union(
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self._map.otherparentset
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)
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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 'm' markers when moving away from a merge state
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if s[0] == b'm':
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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[0] == b'n' and s[2] == -2:
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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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def _addpath(self, f, state, mode, size, mtime):
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oldstate = self[f]
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if state == b'a' or oldstate == b'r':
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scmutil.checkfilename(f)
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if self._map.hastrackeddir(f):
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raise error.Abort(
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_(b'directory %r already in dirstate') % pycompat.bytestr(f)
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)
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# shadows
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for d in pathutil.finddirs(f):
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if self._map.hastrackeddir(d):
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break
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entry = self._map.get(d)
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if entry is not None and entry[0] != b'r':
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raise error.Abort(
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_(b'file %r in dirstate clashes with %r')
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% (pycompat.bytestr(d), pycompat.bytestr(f))
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)
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self._dirty = True
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self._updatedfiles.add(f)
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self._map.addfile(f, oldstate, state, mode, size, mtime)
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def normal(self, f, parentfiledata=None):
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'''Mark a file normal and clean.
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parentfiledata: (mode, size, mtime) of the clean file
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parentfiledata should be computed from memory (for mode,
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size), as or close as possible from the point where we
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determined the file was clean, to limit the risk of the
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file having been changed by an external process between the
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moment where the file was determined to be clean and now.'''
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if parentfiledata:
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(mode, size, mtime) = parentfiledata
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else:
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s = os.lstat(self._join(f))
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mode = s.st_mode
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size = s.st_size
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mtime = s[stat.ST_MTIME]
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self._addpath(f, b'n', mode, size & _rangemask, mtime & _rangemask)
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self._map.copymap.pop(f, None)
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if f in self._map.nonnormalset:
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self._map.nonnormalset.remove(f)
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if mtime > self._lastnormaltime:
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# Remember the most recent modification timeslot for status(),
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# to make sure we won't miss future size-preserving file content
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# modifications that happen within the same timeslot.
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self._lastnormaltime = mtime
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def normallookup(self, f):
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'''Mark a file normal, but possibly dirty.'''
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if self._pl[1] != nullid:
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# if there is a merge going on and the file was either
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# in state 'm' (-1) or coming from other parent (-2) before
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# being removed, restore that state.
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entry = self._map.get(f)
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|
|
if entry is not None:
|
|
|
if entry[0] == b'r' and entry[2] in (-1, -2):
|
|
|
source = self._map.copymap.get(f)
|
|
|
if entry[2] == -1:
|
|
|
self.merge(f)
|
|
|
elif entry[2] == -2:
|
|
|
self.otherparent(f)
|
|
|
if source:
|
|
|
self.copy(source, f)
|
|
|
return
|
|
|
if entry[0] == b'm' or entry[0] == b'n' and entry[2] == -2:
|
|
|
return
|
|
|
self._addpath(f, b'n', 0, -1, -1)
|
|
|
self._map.copymap.pop(f, None)
|
|
|
|
|
|
def otherparent(self, f):
|
|
|
'''Mark as coming from the other parent, always dirty.'''
|
|
|
if self._pl[1] == nullid:
|
|
|
raise error.Abort(
|
|
|
_(b"setting %r to other parent only allowed in merges") % f
|
|
|
)
|
|
|
if f in self and self[f] == b'n':
|
|
|
# merge-like
|
|
|
self._addpath(f, b'm', 0, -2, -1)
|
|
|
else:
|
|
|
# add-like
|
|
|
self._addpath(f, b'n', 0, -2, -1)
|
|
|
self._map.copymap.pop(f, None)
|
|
|
|
|
|
def add(self, f):
|
|
|
'''Mark a file added.'''
|
|
|
self._addpath(f, b'a', 0, -1, -1)
|
|
|
self._map.copymap.pop(f, None)
|
|
|
|
|
|
def remove(self, f):
|
|
|
'''Mark a file removed.'''
|
|
|
self._dirty = True
|
|
|
oldstate = self[f]
|
|
|
size = 0
|
|
|
if self._pl[1] != nullid:
|
|
|
entry = self._map.get(f)
|
|
|
if entry is not None:
|
|
|
# backup the previous state
|
|
|
if entry[0] == b'm': # merge
|
|
|
size = -1
|
|
|
elif entry[0] == b'n' and entry[2] == -2: # other parent
|
|
|
size = -2
|
|
|
self._map.otherparentset.add(f)
|
|
|
self._updatedfiles.add(f)
|
|
|
self._map.removefile(f, oldstate, size)
|
|
|
if size == 0:
|
|
|
self._map.copymap.pop(f, None)
|
|
|
|
|
|
def merge(self, f):
|
|
|
'''Mark a file merged.'''
|
|
|
if self._pl[1] == nullid:
|
|
|
return self.normallookup(f)
|
|
|
return self.otherparent(f)
|
|
|
|
|
|
def drop(self, f):
|
|
|
'''Drop a file from the dirstate'''
|
|
|
oldstate = self[f]
|
|
|
if self._map.dropfile(f, oldstate):
|
|
|
self._dirty = True
|
|
|
self._updatedfiles.add(f)
|
|
|
self._map.copymap.pop(f, None)
|
|
|
|
|
|
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, 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,),
|
|
|
self._writedirstate,
|
|
|
location=b'plain',
|
|
|
)
|
|
|
return
|
|
|
|
|
|
st = self._opener(filename, b"w", atomictemp=True, checkambig=True)
|
|
|
self._writedirstate(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, 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[0] == b'n' and e[3] == 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(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,
|
|
|
) = 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),
|
|
|
)
|
|
|
|
|
|
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)
|
|
|
state = t[0]
|
|
|
mode = t[1]
|
|
|
size = t[2]
|
|
|
time = t[3]
|
|
|
|
|
|
if not st and state in b"nma":
|
|
|
dadd(fn)
|
|
|
elif state == b'n':
|
|
|
if (
|
|
|
size >= 0
|
|
|
and (
|
|
|
(size != st.st_size and size != st.st_size & _rangemask)
|
|
|
or ((mode ^ st.st_mode) & 0o100 and checkexec)
|
|
|
)
|
|
|
or size == -2 # other parent
|
|
|
or fn in copymap
|
|
|
):
|
|
|
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)
|
|
|
elif state == b'm':
|
|
|
madd(fn)
|
|
|
elif state == b'a':
|
|
|
aadd(fn)
|
|
|
elif state == b'r':
|
|
|
radd(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(
|
|
|
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,),
|
|
|
self._writedirstate,
|
|
|
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)
|
|
|
|
|
|
|
|
|
class dirstatemap(object):
|
|
|
"""Map encapsulating the dirstate's contents.
|
|
|
|
|
|
The dirstate contains the following state:
|
|
|
|
|
|
- `identity` is the identity of the dirstate file, which can be used to
|
|
|
detect when changes have occurred to the dirstate file.
|
|
|
|
|
|
- `parents` is a pair containing the parents of the working copy. The
|
|
|
parents are updated by calling `setparents`.
|
|
|
|
|
|
- the state map maps filenames to tuples of (state, mode, size, mtime),
|
|
|
where state is a single character representing 'normal', 'added',
|
|
|
'removed', or 'merged'. It is read by treating the dirstate as a
|
|
|
dict. File state is updated by calling the `addfile`, `removefile` and
|
|
|
`dropfile` methods.
|
|
|
|
|
|
- `copymap` maps destination filenames to their source filename.
|
|
|
|
|
|
The dirstate also provides the following views onto the state:
|
|
|
|
|
|
- `nonnormalset` is a set of the filenames that have state other
|
|
|
than 'normal', or are normal but have an mtime of -1 ('normallookup').
|
|
|
|
|
|
- `otherparentset` is a set of the filenames that are marked as coming
|
|
|
from the second parent when the dirstate is currently being merged.
|
|
|
|
|
|
- `filefoldmap` is a dict mapping normalized filenames to the denormalized
|
|
|
form that they appear as in the dirstate.
|
|
|
|
|
|
- `dirfoldmap` is a dict mapping normalized directory names to the
|
|
|
denormalized form that they appear as in the dirstate.
|
|
|
"""
|
|
|
|
|
|
def __init__(self, ui, opener, root):
|
|
|
self._ui = ui
|
|
|
self._opener = opener
|
|
|
self._root = root
|
|
|
self._filename = b'dirstate'
|
|
|
self._nodelen = 20
|
|
|
|
|
|
self._parents = None
|
|
|
self._dirtyparents = False
|
|
|
|
|
|
# for consistent view between _pl() and _read() invocations
|
|
|
self._pendingmode = None
|
|
|
|
|
|
@propertycache
|
|
|
def _map(self):
|
|
|
self._map = {}
|
|
|
self.read()
|
|
|
return self._map
|
|
|
|
|
|
@propertycache
|
|
|
def copymap(self):
|
|
|
self.copymap = {}
|
|
|
self._map
|
|
|
return self.copymap
|
|
|
|
|
|
def clear(self):
|
|
|
self._map.clear()
|
|
|
self.copymap.clear()
|
|
|
self.setparents(nullid, nullid)
|
|
|
util.clearcachedproperty(self, b"_dirs")
|
|
|
util.clearcachedproperty(self, b"_alldirs")
|
|
|
util.clearcachedproperty(self, b"filefoldmap")
|
|
|
util.clearcachedproperty(self, b"dirfoldmap")
|
|
|
util.clearcachedproperty(self, b"nonnormalset")
|
|
|
util.clearcachedproperty(self, b"otherparentset")
|
|
|
|
|
|
def items(self):
|
|
|
return pycompat.iteritems(self._map)
|
|
|
|
|
|
# forward for python2,3 compat
|
|
|
iteritems = items
|
|
|
|
|
|
def __len__(self):
|
|
|
return len(self._map)
|
|
|
|
|
|
def __iter__(self):
|
|
|
return iter(self._map)
|
|
|
|
|
|
def get(self, key, default=None):
|
|
|
return self._map.get(key, default)
|
|
|
|
|
|
def __contains__(self, key):
|
|
|
return key in self._map
|
|
|
|
|
|
def __getitem__(self, key):
|
|
|
return self._map[key]
|
|
|
|
|
|
def keys(self):
|
|
|
return self._map.keys()
|
|
|
|
|
|
def preload(self):
|
|
|
"""Loads the underlying data, if it's not already loaded"""
|
|
|
self._map
|
|
|
|
|
|
def addfile(self, f, oldstate, state, mode, size, mtime):
|
|
|
"""Add a tracked file to the dirstate."""
|
|
|
if oldstate in b"?r" and "_dirs" in self.__dict__:
|
|
|
self._dirs.addpath(f)
|
|
|
if oldstate == b"?" and "_alldirs" in self.__dict__:
|
|
|
self._alldirs.addpath(f)
|
|
|
self._map[f] = dirstatetuple(state, mode, size, mtime)
|
|
|
if state != b'n' or mtime == -1:
|
|
|
self.nonnormalset.add(f)
|
|
|
if size == -2:
|
|
|
self.otherparentset.add(f)
|
|
|
|
|
|
def removefile(self, f, oldstate, size):
|
|
|
"""
|
|
|
Mark a file as removed in the dirstate.
|
|
|
|
|
|
The `size` parameter is used to store sentinel values that indicate
|
|
|
the file's previous state. In the future, we should refactor this
|
|
|
to be more explicit about what that state is.
|
|
|
"""
|
|
|
if oldstate not in b"?r" and "_dirs" in self.__dict__:
|
|
|
self._dirs.delpath(f)
|
|
|
if oldstate == b"?" and "_alldirs" in self.__dict__:
|
|
|
self._alldirs.addpath(f)
|
|
|
if "filefoldmap" in self.__dict__:
|
|
|
normed = util.normcase(f)
|
|
|
self.filefoldmap.pop(normed, None)
|
|
|
self._map[f] = dirstatetuple(b'r', 0, size, 0)
|
|
|
self.nonnormalset.add(f)
|
|
|
|
|
|
def dropfile(self, f, oldstate):
|
|
|
"""
|
|
|
Remove a file from the dirstate. Returns True if the file was
|
|
|
previously recorded.
|
|
|
"""
|
|
|
exists = self._map.pop(f, None) is not None
|
|
|
if exists:
|
|
|
if oldstate != b"r" and "_dirs" in self.__dict__:
|
|
|
self._dirs.delpath(f)
|
|
|
if "_alldirs" in self.__dict__:
|
|
|
self._alldirs.delpath(f)
|
|
|
if "filefoldmap" in self.__dict__:
|
|
|
normed = util.normcase(f)
|
|
|
self.filefoldmap.pop(normed, None)
|
|
|
self.nonnormalset.discard(f)
|
|
|
return exists
|
|
|
|
|
|
def clearambiguoustimes(self, files, now):
|
|
|
for f in files:
|
|
|
e = self.get(f)
|
|
|
if e is not None and e[0] == b'n' and e[3] == now:
|
|
|
self._map[f] = dirstatetuple(e[0], e[1], e[2], -1)
|
|
|
self.nonnormalset.add(f)
|
|
|
|
|
|
def nonnormalentries(self):
|
|
|
'''Compute the nonnormal dirstate entries from the dmap'''
|
|
|
try:
|
|
|
return parsers.nonnormalotherparententries(self._map)
|
|
|
except AttributeError:
|
|
|
nonnorm = set()
|
|
|
otherparent = set()
|
|
|
for fname, e in pycompat.iteritems(self._map):
|
|
|
if e[0] != b'n' or e[3] == -1:
|
|
|
nonnorm.add(fname)
|
|
|
if e[0] == b'n' and e[2] == -2:
|
|
|
otherparent.add(fname)
|
|
|
return nonnorm, otherparent
|
|
|
|
|
|
@propertycache
|
|
|
def filefoldmap(self):
|
|
|
"""Returns a dictionary mapping normalized case paths to their
|
|
|
non-normalized versions.
|
|
|
"""
|
|
|
try:
|
|
|
makefilefoldmap = parsers.make_file_foldmap
|
|
|
except AttributeError:
|
|
|
pass
|
|
|
else:
|
|
|
return makefilefoldmap(
|
|
|
self._map, util.normcasespec, util.normcasefallback
|
|
|
)
|
|
|
|
|
|
f = {}
|
|
|
normcase = util.normcase
|
|
|
for name, s in pycompat.iteritems(self._map):
|
|
|
if s[0] != b'r':
|
|
|
f[normcase(name)] = name
|
|
|
f[b'.'] = b'.' # prevents useless util.fspath() invocation
|
|
|
return f
|
|
|
|
|
|
def hastrackeddir(self, d):
|
|
|
"""
|
|
|
Returns True if the dirstate contains a tracked (not removed) file
|
|
|
in this directory.
|
|
|
"""
|
|
|
return d in self._dirs
|
|
|
|
|
|
def hasdir(self, d):
|
|
|
"""
|
|
|
Returns True if the dirstate contains a file (tracked or removed)
|
|
|
in this directory.
|
|
|
"""
|
|
|
return d in self._alldirs
|
|
|
|
|
|
@propertycache
|
|
|
def _dirs(self):
|
|
|
return pathutil.dirs(self._map, b'r')
|
|
|
|
|
|
@propertycache
|
|
|
def _alldirs(self):
|
|
|
return pathutil.dirs(self._map)
|
|
|
|
|
|
def _opendirstatefile(self):
|
|
|
fp, mode = txnutil.trypending(self._root, self._opener, self._filename)
|
|
|
if self._pendingmode is not None and self._pendingmode != mode:
|
|
|
fp.close()
|
|
|
raise error.Abort(
|
|
|
_(b'working directory state may be changed parallelly')
|
|
|
)
|
|
|
self._pendingmode = mode
|
|
|
return fp
|
|
|
|
|
|
def parents(self):
|
|
|
if not self._parents:
|
|
|
try:
|
|
|
fp = self._opendirstatefile()
|
|
|
st = fp.read(2 * self._nodelen)
|
|
|
fp.close()
|
|
|
except IOError as err:
|
|
|
if err.errno != errno.ENOENT:
|
|
|
raise
|
|
|
# File doesn't exist, so the current state is empty
|
|
|
st = b''
|
|
|
|
|
|
l = len(st)
|
|
|
if l == self._nodelen * 2:
|
|
|
self._parents = (
|
|
|
st[: self._nodelen],
|
|
|
st[self._nodelen : 2 * self._nodelen],
|
|
|
)
|
|
|
elif l == 0:
|
|
|
self._parents = (nullid, nullid)
|
|
|
else:
|
|
|
raise error.Abort(
|
|
|
_(b'working directory state appears damaged!')
|
|
|
)
|
|
|
|
|
|
return self._parents
|
|
|
|
|
|
def setparents(self, p1, p2):
|
|
|
self._parents = (p1, p2)
|
|
|
self._dirtyparents = True
|
|
|
|
|
|
def read(self):
|
|
|
# ignore HG_PENDING because identity is used only for writing
|
|
|
self.identity = util.filestat.frompath(
|
|
|
self._opener.join(self._filename)
|
|
|
)
|
|
|
|
|
|
try:
|
|
|
fp = self._opendirstatefile()
|
|
|
try:
|
|
|
st = fp.read()
|
|
|
finally:
|
|
|
fp.close()
|
|
|
except IOError as err:
|
|
|
if err.errno != errno.ENOENT:
|
|
|
raise
|
|
|
return
|
|
|
if not st:
|
|
|
return
|
|
|
|
|
|
if util.safehasattr(parsers, b'dict_new_presized'):
|
|
|
# Make an estimate of the number of files in the dirstate based on
|
|
|
# its size. This trades wasting some memory for avoiding costly
|
|
|
# resizes. Each entry have a prefix of 17 bytes followed by one or
|
|
|
# two path names. Studies on various large-scale real-world repositories
|
|
|
# found 54 bytes a reasonable upper limit for the average path names.
|
|
|
# Copy entries are ignored for the sake of this estimate.
|
|
|
self._map = parsers.dict_new_presized(len(st) // 71)
|
|
|
|
|
|
# Python's garbage collector triggers a GC each time a certain number
|
|
|
# of container objects (the number being defined by
|
|
|
# gc.get_threshold()) are allocated. parse_dirstate creates a tuple
|
|
|
# for each file in the dirstate. The C version then immediately marks
|
|
|
# them as not to be tracked by the collector. However, this has no
|
|
|
# effect on when GCs are triggered, only on what objects the GC looks
|
|
|
# into. This means that O(number of files) GCs are unavoidable.
|
|
|
# Depending on when in the process's lifetime the dirstate is parsed,
|
|
|
# this can get very expensive. As a workaround, disable GC while
|
|
|
# parsing the dirstate.
|
|
|
#
|
|
|
# (we cannot decorate the function directly since it is in a C module)
|
|
|
parse_dirstate = util.nogc(parsers.parse_dirstate)
|
|
|
p = parse_dirstate(self._map, self.copymap, st)
|
|
|
if not self._dirtyparents:
|
|
|
self.setparents(*p)
|
|
|
|
|
|
# Avoid excess attribute lookups by fast pathing certain checks
|
|
|
self.__contains__ = self._map.__contains__
|
|
|
self.__getitem__ = self._map.__getitem__
|
|
|
self.get = self._map.get
|
|
|
|
|
|
def write(self, st, now):
|
|
|
st.write(
|
|
|
parsers.pack_dirstate(self._map, self.copymap, self.parents(), now)
|
|
|
)
|
|
|
st.close()
|
|
|
self._dirtyparents = False
|
|
|
self.nonnormalset, self.otherparentset = self.nonnormalentries()
|
|
|
|
|
|
@propertycache
|
|
|
def nonnormalset(self):
|
|
|
nonnorm, otherparents = self.nonnormalentries()
|
|
|
self.otherparentset = otherparents
|
|
|
return nonnorm
|
|
|
|
|
|
@propertycache
|
|
|
def otherparentset(self):
|
|
|
nonnorm, otherparents = self.nonnormalentries()
|
|
|
self.nonnormalset = nonnorm
|
|
|
return otherparents
|
|
|
|
|
|
@propertycache
|
|
|
def identity(self):
|
|
|
self._map
|
|
|
return self.identity
|
|
|
|
|
|
@propertycache
|
|
|
def dirfoldmap(self):
|
|
|
f = {}
|
|
|
normcase = util.normcase
|
|
|
for name in self._dirs:
|
|
|
f[normcase(name)] = name
|
|
|
return f
|
|
|
|
|
|
|
|
|
if rustmod is not None:
|
|
|
|
|
|
class dirstatemap(object):
|
|
|
def __init__(self, ui, opener, root):
|
|
|
self._ui = ui
|
|
|
self._opener = opener
|
|
|
self._root = root
|
|
|
self._filename = b'dirstate'
|
|
|
self._parents = None
|
|
|
self._dirtyparents = False
|
|
|
|
|
|
# for consistent view between _pl() and _read() invocations
|
|
|
self._pendingmode = None
|
|
|
|
|
|
def addfile(self, *args, **kwargs):
|
|
|
return self._rustmap.addfile(*args, **kwargs)
|
|
|
|
|
|
def removefile(self, *args, **kwargs):
|
|
|
return self._rustmap.removefile(*args, **kwargs)
|
|
|
|
|
|
def dropfile(self, *args, **kwargs):
|
|
|
return self._rustmap.dropfile(*args, **kwargs)
|
|
|
|
|
|
def clearambiguoustimes(self, *args, **kwargs):
|
|
|
return self._rustmap.clearambiguoustimes(*args, **kwargs)
|
|
|
|
|
|
def nonnormalentries(self):
|
|
|
return self._rustmap.nonnormalentries()
|
|
|
|
|
|
def get(self, *args, **kwargs):
|
|
|
return self._rustmap.get(*args, **kwargs)
|
|
|
|
|
|
@propertycache
|
|
|
def _rustmap(self):
|
|
|
"""
|
|
|
Fills the Dirstatemap when called.
|
|
|
Use `self._inner_rustmap` if reading the dirstate is not necessary.
|
|
|
"""
|
|
|
self._rustmap = self._inner_rustmap
|
|
|
self.read()
|
|
|
return self._rustmap
|
|
|
|
|
|
@propertycache
|
|
|
def _inner_rustmap(self):
|
|
|
"""
|
|
|
Does not fill the Dirstatemap when called. This allows for
|
|
|
optimizations where only setting/getting the parents is needed.
|
|
|
"""
|
|
|
self._inner_rustmap = rustmod.DirstateMap(self._root)
|
|
|
return self._inner_rustmap
|
|
|
|
|
|
@property
|
|
|
def copymap(self):
|
|
|
return self._rustmap.copymap()
|
|
|
|
|
|
def preload(self):
|
|
|
self._rustmap
|
|
|
|
|
|
def clear(self):
|
|
|
self._rustmap.clear()
|
|
|
self._inner_rustmap.clear()
|
|
|
self.setparents(nullid, nullid)
|
|
|
util.clearcachedproperty(self, b"_dirs")
|
|
|
util.clearcachedproperty(self, b"_alldirs")
|
|
|
util.clearcachedproperty(self, b"dirfoldmap")
|
|
|
|
|
|
def items(self):
|
|
|
return self._rustmap.items()
|
|
|
|
|
|
def keys(self):
|
|
|
return iter(self._rustmap)
|
|
|
|
|
|
def __contains__(self, key):
|
|
|
return key in self._rustmap
|
|
|
|
|
|
def __getitem__(self, item):
|
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|
return self._rustmap[item]
|
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|
|
|
|
def __len__(self):
|
|
|
return len(self._rustmap)
|
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|
|
|
|
def __iter__(self):
|
|
|
return iter(self._rustmap)
|
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|
|
|
# forward for python2,3 compat
|
|
|
iteritems = items
|
|
|
|
|
|
def _opendirstatefile(self):
|
|
|
fp, mode = txnutil.trypending(
|
|
|
self._root, self._opener, self._filename
|
|
|
)
|
|
|
if self._pendingmode is not None and self._pendingmode != mode:
|
|
|
fp.close()
|
|
|
raise error.Abort(
|
|
|
_(b'working directory state may be changed parallelly')
|
|
|
)
|
|
|
self._pendingmode = mode
|
|
|
return fp
|
|
|
|
|
|
def setparents(self, p1, p2):
|
|
|
self._rustmap.setparents(p1, p2)
|
|
|
self._parents = (p1, p2)
|
|
|
self._dirtyparents = True
|
|
|
|
|
|
def parents(self):
|
|
|
if not self._parents:
|
|
|
try:
|
|
|
fp = self._opendirstatefile()
|
|
|
st = fp.read(40)
|
|
|
fp.close()
|
|
|
except IOError as err:
|
|
|
if err.errno != errno.ENOENT:
|
|
|
raise
|
|
|
# File doesn't exist, so the current state is empty
|
|
|
st = b''
|
|
|
|
|
|
try:
|
|
|
self._parents = self._inner_rustmap.parents(st)
|
|
|
except ValueError:
|
|
|
raise error.Abort(
|
|
|
_(b'working directory state appears damaged!')
|
|
|
)
|
|
|
|
|
|
return self._parents
|
|
|
|
|
|
def read(self):
|
|
|
# ignore HG_PENDING because identity is used only for writing
|
|
|
self.identity = util.filestat.frompath(
|
|
|
self._opener.join(self._filename)
|
|
|
)
|
|
|
|
|
|
try:
|
|
|
fp = self._opendirstatefile()
|
|
|
try:
|
|
|
st = fp.read()
|
|
|
finally:
|
|
|
fp.close()
|
|
|
except IOError as err:
|
|
|
if err.errno != errno.ENOENT:
|
|
|
raise
|
|
|
return
|
|
|
if not st:
|
|
|
return
|
|
|
|
|
|
parse_dirstate = util.nogc(self._rustmap.read)
|
|
|
parents = parse_dirstate(st)
|
|
|
if parents and not self._dirtyparents:
|
|
|
self.setparents(*parents)
|
|
|
|
|
|
self.__contains__ = self._rustmap.__contains__
|
|
|
self.__getitem__ = self._rustmap.__getitem__
|
|
|
self.get = self._rustmap.get
|
|
|
|
|
|
def write(self, st, now):
|
|
|
parents = self.parents()
|
|
|
st.write(self._rustmap.write(parents[0], parents[1], now))
|
|
|
st.close()
|
|
|
self._dirtyparents = False
|
|
|
|
|
|
@propertycache
|
|
|
def filefoldmap(self):
|
|
|
"""Returns a dictionary mapping normalized case paths to their
|
|
|
non-normalized versions.
|
|
|
"""
|
|
|
return self._rustmap.filefoldmapasdict()
|
|
|
|
|
|
def hastrackeddir(self, d):
|
|
|
self._dirs # Trigger Python's propertycache
|
|
|
return self._rustmap.hastrackeddir(d)
|
|
|
|
|
|
def hasdir(self, d):
|
|
|
self._dirs # Trigger Python's propertycache
|
|
|
return self._rustmap.hasdir(d)
|
|
|
|
|
|
@propertycache
|
|
|
def _dirs(self):
|
|
|
return self._rustmap.getdirs()
|
|
|
|
|
|
@propertycache
|
|
|
def _alldirs(self):
|
|
|
return self._rustmap.getalldirs()
|
|
|
|
|
|
@propertycache
|
|
|
def identity(self):
|
|
|
self._rustmap
|
|
|
return self.identity
|
|
|
|
|
|
@property
|
|
|
def nonnormalset(self):
|
|
|
nonnorm = self._rustmap.non_normal_entries()
|
|
|
return nonnorm
|
|
|
|
|
|
@propertycache
|
|
|
def otherparentset(self):
|
|
|
otherparents = self._rustmap.other_parent_entries()
|
|
|
return otherparents
|
|
|
|
|
|
@propertycache
|
|
|
def dirfoldmap(self):
|
|
|
f = {}
|
|
|
normcase = util.normcase
|
|
|
for name in self._dirs:
|
|
|
f[normcase(name)] = name
|
|
|
return f
|
|
|
|
