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66bd74e558
Test Plan: run-tests-.py Reviewers: mitrandir, #mercurial Reviewed By: mitrandir Subscribers: ps, terrelln Differential Revision: https://phabricator.intern.facebook.com/D6675896 Tasks: T24908724 Signature: 6675896:1515448382:df8d80cd7356ae8f5fb04586dc4a0a651bc498fd
261 lines
9.2 KiB
Python
261 lines
9.2 KiB
Python
import os
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import stat
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import re
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import errno
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from mercurial import (
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dirstate,
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error,
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match as matchmod,
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util,
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)
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# ignore module was removed in Mercurial 3.5
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ignoremod = False
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# pathauditor moved to pathutil in 2.9
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from mercurial import pathutil
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from mercurial.i18n import _
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def gignorepats(orig, lines, root=None):
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'''parse lines (iterable) of .gitignore text, returning a tuple of
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(patterns, parse errors). These patterns should be given to compile()
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to be validated and converted into a match function.'''
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syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:'}
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syntax = 'glob:'
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patterns = []
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warnings = []
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for line in lines:
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if "#" in line:
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_commentre = re.compile(r'((^|[^\\])(\\\\)*)#.*')
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# remove comments prefixed by an even number of escapes
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line = _commentre.sub(r'\1', line)
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# fixup properly escaped comments that survived the above
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line = line.replace("\\#", "#")
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line = line.rstrip()
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if not line:
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continue
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if line.startswith('!'):
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warnings.append(_("unsupported ignore pattern '%s'") % line)
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continue
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if re.match(r'(:?.*/)?\.hg(:?/|$)', line):
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continue
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rootprefix = '%s/' % root if root else ''
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if line.startswith('/'):
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line = line[1:]
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rootsuffixes = ['']
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else:
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rootsuffixes = ['', '**/']
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for rootsuffix in rootsuffixes:
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pat = syntax + rootprefix + rootsuffix + line
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for s, rels in syntaxes.iteritems():
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if line.startswith(rels):
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pat = line
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break
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elif line.startswith(s + ':'):
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pat = rels + line[len(s) + 1:]
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break
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patterns.append(pat)
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return patterns, warnings
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def gignore(root, files, warn, extrapatterns=None):
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allpats = []
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pats = []
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pats = [(f, ['include:%s' % f]) for f in files]
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for f, patlist in pats:
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allpats.extend(patlist)
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if extrapatterns:
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allpats.extend(extrapatterns)
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if not allpats:
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return util.never
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try:
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ignorefunc = matchmod.match(root, '', [], allpats)
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except error.Abort:
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for f, patlist in pats:
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try:
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matchmod.match(root, '', [], patlist)
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except error.Abort as inst:
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if not ignoremod:
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# in this case, patlist is ['include: FILE'], and
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# inst[0] should already include FILE
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raise
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raise error.Abort('%s: %s' % (f, inst[0]))
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if extrapatterns:
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try:
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matchmod.match(root, '', [], extrapatterns)
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except error.Abort as inst:
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raise error.Abort('%s: %s' % ('extra patterns', inst[0]))
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return ignorefunc
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class gitdirstate(dirstate.dirstate):
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@dirstate.rootcache('.hgignore')
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def _ignore(self):
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files = [self._join('.hgignore')]
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for name, path in self._ui.configitems("ui"):
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if name == 'ignore' or name.startswith('ignore.'):
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files.append(util.expandpath(path))
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patterns = []
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# Only use .gitignore if there's no .hgignore
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try:
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fp = open(files[0])
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fp.close()
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except Exception:
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fns = self._finddotgitignores()
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for fn in fns:
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d = os.path.dirname(fn)
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fn = self.pathto(fn)
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if not os.path.exists(fn):
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continue
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fp = open(fn)
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pats, warnings = gignorepats(None, fp, root=d)
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for warning in warnings:
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self._ui.warn("%s: %s\n" % (fn, warning))
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patterns.extend(pats)
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return gignore(self._root, files, self._ui.warn,
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extrapatterns=patterns)
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def _finddotgitignores(self):
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"""A copy of dirstate.walk. This is called from the new _ignore method,
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which is called by dirstate.walk, which would cause infinite recursion,
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except _finddotgitignores calls the superclass _ignore directly."""
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match = matchmod.match(self._root, self.getcwd(),
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['relglob:.gitignore'])
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# TODO: need subrepos?
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subrepos = []
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unknown = True
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ignored = False
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def fwarn(f, msg):
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self._ui.warn('%s: %s\n' % (self.pathto(f), msg))
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return False
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ignore = super(gitdirstate, self)._ignore
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dirignore = self._dirignore
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if ignored:
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ignore = util.never
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dirignore = util.never
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elif not unknown:
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# if unknown and ignored are False, skip step 2
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ignore = util.always
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dirignore = util.always
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matchfn = match.matchfn
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matchalways = match.always()
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matchtdir = match.traversedir
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dmap = self._map
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# osutil moved in hg 4.3, but util re-exports listdir
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try:
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listdir = util.listdir
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except AttributeError:
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from mercurial import osutil
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listdir = osutil.listdir
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lstat = os.lstat
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dirkind = stat.S_IFDIR
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regkind = stat.S_IFREG
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lnkkind = stat.S_IFLNK
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join = self._join
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exact = skipstep3 = False
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if matchfn == match.exact: # match.exact
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exact = True
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dirignore = util.always # skip step 2
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elif match.files() and not match.anypats(): # match.match, no patterns
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skipstep3 = True
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if not exact and self._checkcase:
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normalize = self._normalize
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skipstep3 = False
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else:
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normalize = None
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# step 1: find all explicit files
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results, work, dirsnotfound = self._walkexplicit(match, subrepos)
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skipstep3 = skipstep3 and not (work or dirsnotfound)
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if work and isinstance(work[0], tuple):
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# Mercurial >= 3.3.3
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work = [nd for nd, d in work if not dirignore(d)]
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else:
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work = [d for d in work if not dirignore(d)]
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wadd = work.append
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# step 2: visit subdirectories
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while work:
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nd = work.pop()
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skip = None
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if nd == '.':
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nd = ''
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else:
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skip = '.hg'
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try:
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entries = listdir(join(nd), stat=True, skip=skip)
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except OSError as inst:
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if inst.errno in (errno.EACCES, errno.ENOENT):
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fwarn(nd, inst.strerror)
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continue
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raise
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for f, kind, st in entries:
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if normalize:
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nf = normalize(nd and (nd + "/" + f) or f, True, True)
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else:
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nf = nd and (nd + "/" + f) or f
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if nf not in results:
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if kind == dirkind:
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if not ignore(nf):
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if matchtdir:
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matchtdir(nf)
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wadd(nf)
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if nf in dmap and (matchalways or matchfn(nf)):
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results[nf] = None
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elif kind == regkind or kind == lnkkind:
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if nf in dmap:
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if matchalways or matchfn(nf):
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results[nf] = st
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elif (matchalways or matchfn(nf)) and not ignore(nf):
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results[nf] = st
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elif nf in dmap and (matchalways or matchfn(nf)):
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results[nf] = None
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for s in subrepos:
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del results[s]
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del results['.hg']
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# step 3: report unseen items in the dmap hash
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if not skipstep3 and not exact:
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if not results and matchalways:
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visit = dmap.keys()
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else:
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visit = [f for f in dmap if f not in results and matchfn(f)]
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visit.sort()
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if unknown:
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# unknown == True means we walked the full directory tree
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# above. So if a file is not seen it was either a) not matching
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# matchfn b) ignored, c) missing, or d) under a symlink
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# directory.
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audit_path = pathutil.pathauditor(self._root)
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for nf in iter(visit):
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# Report ignored items in the dmap as long as they are not
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# under a symlink directory.
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if audit_path.check(nf):
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try:
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results[nf] = lstat(join(nf))
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except OSError:
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# file doesn't exist
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results[nf] = None
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else:
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# It's either missing or under a symlink directory
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results[nf] = None
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else:
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# We may not have walked the full directory tree above,
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# so stat everything we missed.
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nf = iter(visit).next
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for st in util.statfiles([join(i) for i in visit]):
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results[nf()] = st
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return results.keys()
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