mercurial/match.py
author Yuya Nishihara <yuya@tcha.org>
Sat, 14 Nov 2015 16:45:15 +0900
changeset 27213 ccae1588117f
parent 26781 1aee2ab0f902
child 27327 d500341e4f55
permissions -rw-r--r--
graphlog: move creation of workingdir-parent nodes to displaygraph() Future patches will make a node symbol templatable. Because arguments of a templatekw function are repo and ctx, "showparents" list will have to be built from a repo object by that function.
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# match.py - filename matching
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#
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#  Copyright 2008, 2009 Matt Mackall <mpm@selenic.com> and others
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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 copy
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import os
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import re
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from .i18n import _
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from . import (
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    error,
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    pathutil,
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    util,
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)
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propertycache = util.propertycache
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def _rematcher(regex):
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    '''compile the regexp with the best available regexp engine and return a
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    matcher function'''
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    m = util.re.compile(regex)
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    try:
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        # slightly faster, provided by facebook's re2 bindings
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        return m.test_match
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    except AttributeError:
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        return m.match
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def _expandsets(kindpats, ctx, listsubrepos):
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    '''Returns the kindpats list with the 'set' patterns expanded.'''
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    fset = set()
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    other = []
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    for kind, pat, source in kindpats:
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        if kind == 'set':
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            if not ctx:
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                raise error.Abort("fileset expression with no context")
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            s = ctx.getfileset(pat)
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            fset.update(s)
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            if listsubrepos:
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                for subpath in ctx.substate:
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                    s = ctx.sub(subpath).getfileset(pat)
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                    fset.update(subpath + '/' + f for f in s)
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            continue
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        other.append((kind, pat, source))
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    return fset, other
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def _expandsubinclude(kindpats, root):
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    '''Returns the list of subinclude matchers and the kindpats without the
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    subincludes in it.'''
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    relmatchers = []
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    other = []
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    for kind, pat, source in kindpats:
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        if kind == 'subinclude':
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            sourceroot = pathutil.dirname(util.normpath(source))
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            pat = util.pconvert(pat)
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            path = pathutil.join(sourceroot, pat)
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            newroot = pathutil.dirname(path)
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            relmatcher = match(newroot, '', [], ['include:%s' % path])
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            prefix = pathutil.canonpath(root, root, newroot)
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            if prefix:
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                prefix += '/'
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            relmatchers.append((prefix, relmatcher))
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        else:
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            other.append((kind, pat, source))
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    return relmatchers, other
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def _kindpatsalwaysmatch(kindpats):
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    """"Checks whether the kindspats match everything, as e.g.
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    'relpath:.' does.
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    """
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    for kind, pat, source in kindpats:
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        if pat != '' or kind not in ['relpath', 'glob']:
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            return False
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    return True
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class match(object):
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    def __init__(self, root, cwd, patterns, include=[], exclude=[],
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                 default='glob', exact=False, auditor=None, ctx=None,
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                 listsubrepos=False, warn=None, badfn=None):
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        """build an object to match a set of file patterns
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        arguments:
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        root - the canonical root of the tree you're matching against
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        cwd - the current working directory, if relevant
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        patterns - patterns to find
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        include - patterns to include (unless they are excluded)
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        exclude - patterns to exclude (even if they are included)
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        default - if a pattern in patterns has no explicit type, assume this one
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        exact - patterns are actually filenames (include/exclude still apply)
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        warn - optional function used for printing warnings
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        badfn - optional bad() callback for this matcher instead of the default
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        a pattern is one of:
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        'glob:<glob>' - a glob relative to cwd
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        're:<regexp>' - a regular expression
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        'path:<path>' - a path relative to repository root
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        'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs)
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        'relpath:<path>' - a path relative to cwd
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        'relre:<regexp>' - a regexp that needn't match the start of a name
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        'set:<fileset>' - a fileset expression
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        'include:<path>' - a file of patterns to read and include
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        'subinclude:<path>' - a file of patterns to match against files under
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                              the same directory
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        '<something>' - a pattern of the specified default type
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        """
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        self._root = root
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        self._cwd = cwd
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        self._files = [] # exact files and roots of patterns
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        self._anypats = bool(include or exclude)
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        self._always = False
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        self._pathrestricted = bool(include or exclude or patterns)
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        self._warn = warn
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        self._includeroots = set()
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        self._includedirs = set(['.'])
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        self._excluderoots = set()
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        if badfn is not None:
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            self.bad = badfn
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        matchfns = []
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        if include:
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            kindpats = self._normalize(include, 'glob', root, cwd, auditor)
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            self.includepat, im = _buildmatch(ctx, kindpats, '(?:/|$)',
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                                              listsubrepos, root)
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            self._includeroots.update(_roots(kindpats))
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            self._includedirs.update(util.dirs(self._includeroots))
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            matchfns.append(im)
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        if exclude:
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            kindpats = self._normalize(exclude, 'glob', root, cwd, auditor)
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            self.excludepat, em = _buildmatch(ctx, kindpats, '(?:/|$)',
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                                              listsubrepos, root)
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            if not _anypats(kindpats):
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                self._excluderoots.update(_roots(kindpats))
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            matchfns.append(lambda f: not em(f))
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        if exact:
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            if isinstance(patterns, list):
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                self._files = patterns
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            else:
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                self._files = list(patterns)
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            matchfns.append(self.exact)
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        elif patterns:
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            kindpats = self._normalize(patterns, default, root, cwd, auditor)
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            if not _kindpatsalwaysmatch(kindpats):
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                self._files = _roots(kindpats)
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                self._anypats = self._anypats or _anypats(kindpats)
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                self.patternspat, pm = _buildmatch(ctx, kindpats, '$',
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                                                   listsubrepos, root)
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                matchfns.append(pm)
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        if not matchfns:
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            m = util.always
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            self._always = True
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        elif len(matchfns) == 1:
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            m = matchfns[0]
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        else:
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            def m(f):
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                for matchfn in matchfns:
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                    if not matchfn(f):
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                        return False
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                return True
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        self.matchfn = m
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        self._fileroots = set(self._files)
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    def __call__(self, fn):
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        return self.matchfn(fn)
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    def __iter__(self):
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        for f in self._files:
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            yield f
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    # Callbacks related to how the matcher is used by dirstate.walk.
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    # Subscribers to these events must monkeypatch the matcher object.
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    def bad(self, f, msg):
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        '''Callback from dirstate.walk for each explicit file that can't be
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        found/accessed, with an error message.'''
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        pass
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    # If an explicitdir is set, it will be called when an explicitly listed
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    # directory is visited.
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    explicitdir = None
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    # If an traversedir is set, it will be called when a directory discovered
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    # by recursive traversal is visited.
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    traversedir = None
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    def abs(self, f):
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        '''Convert a repo path back to path that is relative to the root of the
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        matcher.'''
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        return f
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    def rel(self, f):
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        '''Convert repo path back to path that is relative to cwd of matcher.'''
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        return util.pathto(self._root, self._cwd, f)
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    def uipath(self, f):
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        '''Convert repo path to a display path.  If patterns or -I/-X were used
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        to create this matcher, the display path will be relative to cwd.
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        Otherwise it is relative to the root of the repo.'''
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        return (self._pathrestricted and self.rel(f)) or self.abs(f)
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   212
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    def files(self):
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        '''Explicitly listed files or patterns or roots:
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        if no patterns or .always(): empty list,
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        if exact: list exact files,
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        if not .anypats(): list all files and dirs,
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        else: optimal roots'''
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        return self._files
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    @propertycache
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    def _dirs(self):
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        return set(util.dirs(self._fileroots)) | set(['.'])
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    def visitdir(self, dir):
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        '''Decides whether a directory should be visited based on whether it
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        has potential matches in it or one of its subdirectories. This is
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        based on the match's primary, included, and excluded patterns.
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        This function's behavior is undefined if it has returned False for
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        one of the dir's parent directories.
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        '''
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        if dir in self._excluderoots:
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            return False
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        if (self._includeroots and
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            '.' not in self._includeroots and
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            dir not in self._includeroots and
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            dir not in self._includedirs and
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            not any(parent in self._includeroots
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                    for parent in util.finddirs(dir))):
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            return False
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        return (not self._fileroots or
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                '.' in self._fileroots or
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                dir in self._fileroots or
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                dir in self._dirs or
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                any(parentdir in self._fileroots
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                    for parentdir in util.finddirs(dir)))
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    def exact(self, f):
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        '''Returns True if f is in .files().'''
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        return f in self._fileroots
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diff changeset
   253
    def anypats(self):
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
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diff changeset
   254
        '''Matcher uses patterns or include/exclude.'''
8587
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parents: 8586
diff changeset
   255
        return self._anypats
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   256
16645
9a21fc2c7d32 localrepo: optimize internode status calls using match.always
Jesse Glick <jesse.glick@oracle.com>
parents: 16182
diff changeset
   257
    def always(self):
21111
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parents: 21079
diff changeset
   258
        '''Matcher will match everything and .files() will be empty
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diff changeset
   259
        - optimization might be possible and necessary.'''
18713
8728579f6bdc match: more accurately report when we're always going to match
Bryan O'Sullivan <bryano@fb.com>
parents: 17425
diff changeset
   260
        return self._always
8568
4fa1618bf495 match: refactor patkind
Matt Mackall <mpm@selenic.com>
parents: 8567
diff changeset
   261
25114
d1d69ca78883 match: add match.ispartial()
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diff changeset
   262
    def ispartial(self):
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parents: 24790
diff changeset
   263
        '''True if the matcher won't always match.
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diff changeset
   264
d1d69ca78883 match: add match.ispartial()
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parents: 24790
diff changeset
   265
        Although it's just the inverse of _always in this implementation,
26781
1aee2ab0f902 spelling: trivial spell checking
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parents: 26587
diff changeset
   266
        an extension such as narrowhg might make it return something
25114
d1d69ca78883 match: add match.ispartial()
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parents: 24790
diff changeset
   267
        slightly different.'''
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parents: 24790
diff changeset
   268
        return not self._always
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parents: 24790
diff changeset
   269
24448
55c449345b10 match: add isexact() method to hide internals
Martin von Zweigbergk <martinvonz@google.com>
parents: 24447
diff changeset
   270
    def isexact(self):
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parents: 24447
diff changeset
   271
        return self.matchfn == self.exact
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parents: 24447
diff changeset
   272
25233
9789b4a7c595 match: introduce boolean prefix() method
Martin von Zweigbergk <martinvonz@google.com>
parents: 25231
diff changeset
   273
    def prefix(self):
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diff changeset
   274
        return not self.always() and not self.isexact() and not self.anypats()
9789b4a7c595 match: introduce boolean prefix() method
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parents: 25231
diff changeset
   275
24789
0b1577c892f2 match: move _normalize() into the match class
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diff changeset
   276
    def _normalize(self, patterns, default, root, cwd, auditor):
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diff changeset
   277
        '''Convert 'kind:pat' from the patterns list to tuples with kind and
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parents: 24636
diff changeset
   278
        normalized and rooted patterns and with listfiles expanded.'''
0b1577c892f2 match: move _normalize() into the match class
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diff changeset
   279
        kindpats = []
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diff changeset
   280
        for kind, pat in [_patsplit(p, default) for p in patterns]:
0b1577c892f2 match: move _normalize() into the match class
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diff changeset
   281
            if kind in ('glob', 'relpath'):
0b1577c892f2 match: move _normalize() into the match class
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parents: 24636
diff changeset
   282
                pat = pathutil.canonpath(root, cwd, pat, auditor)
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parents: 24636
diff changeset
   283
            elif kind in ('relglob', 'path'):
0b1577c892f2 match: move _normalize() into the match class
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parents: 24636
diff changeset
   284
                pat = util.normpath(pat)
0b1577c892f2 match: move _normalize() into the match class
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parents: 24636
diff changeset
   285
            elif kind in ('listfile', 'listfile0'):
0b1577c892f2 match: move _normalize() into the match class
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parents: 24636
diff changeset
   286
                try:
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parents: 24636
diff changeset
   287
                    files = util.readfile(pat)
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diff changeset
   288
                    if kind == 'listfile0':
0b1577c892f2 match: move _normalize() into the match class
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diff changeset
   289
                        files = files.split('\0')
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diff changeset
   290
                    else:
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diff changeset
   291
                        files = files.splitlines()
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diff changeset
   292
                    files = [f for f in files if f]
0b1577c892f2 match: move _normalize() into the match class
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parents: 24636
diff changeset
   293
                except EnvironmentError:
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26014
diff changeset
   294
                    raise error.Abort(_("unable to read file list (%s)") % pat)
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   295
                for k, p, source in self._normalize(files, default, root, cwd,
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   296
                                                    auditor):
08a8e9da0ae7 match: add source to kindpats list
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parents: 25195
diff changeset
   297
                    kindpats.append((k, p, pat))
24789
0b1577c892f2 match: move _normalize() into the match class
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diff changeset
   298
                continue
25215
4040e06e9b99 match: add 'include:' syntax
Durham Goode <durham@fb.com>
parents: 25214
diff changeset
   299
            elif kind == 'include':
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Durham Goode <durham@fb.com>
parents: 25214
diff changeset
   300
                try:
25875
511e1949d557 ignore: fix path concatenation of .hgignore on Windows
Yuya Nishihara <yuya@tcha.org>
parents: 25870
diff changeset
   301
                    fullpath = os.path.join(root, util.localpath(pat))
25870
3de48ff62733 ignore: fix include: rules depending on current directory (issue4759)
Durham Goode <durham@fb.com>
parents: 25662
diff changeset
   302
                    includepats = readpatternfile(fullpath, self._warn)
25215
4040e06e9b99 match: add 'include:' syntax
Durham Goode <durham@fb.com>
parents: 25214
diff changeset
   303
                    for k, p, source in self._normalize(includepats, default,
4040e06e9b99 match: add 'include:' syntax
Durham Goode <durham@fb.com>
parents: 25214
diff changeset
   304
                                                        root, cwd, auditor):
4040e06e9b99 match: add 'include:' syntax
Durham Goode <durham@fb.com>
parents: 25214
diff changeset
   305
                        kindpats.append((k, p, source or pat))
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26014
diff changeset
   306
                except error.Abort as inst:
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26014
diff changeset
   307
                    raise error.Abort('%s: %s' % (pat, inst[0]))
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25579
diff changeset
   308
                except IOError as inst:
25215
4040e06e9b99 match: add 'include:' syntax
Durham Goode <durham@fb.com>
parents: 25214
diff changeset
   309
                    if self._warn:
4040e06e9b99 match: add 'include:' syntax
Durham Goode <durham@fb.com>
parents: 25214
diff changeset
   310
                        self._warn(_("skipping unreadable pattern file "
4040e06e9b99 match: add 'include:' syntax
Durham Goode <durham@fb.com>
parents: 25214
diff changeset
   311
                                     "'%s': %s\n") % (pat, inst.strerror))
24789
0b1577c892f2 match: move _normalize() into the match class
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parents: 24636
diff changeset
   312
                continue
0b1577c892f2 match: move _normalize() into the match class
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parents: 24636
diff changeset
   313
            # else: re or relre - which cannot be normalized
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   314
            kindpats.append((kind, pat, ''))
24789
0b1577c892f2 match: move _normalize() into the match class
Matt Harbison <matt_harbison@yahoo.com>
parents: 24636
diff changeset
   315
        return kindpats
0b1577c892f2 match: move _normalize() into the match class
Matt Harbison <matt_harbison@yahoo.com>
parents: 24636
diff changeset
   316
25464
504a1f295677 match: add an optional constructor parameter for a bad() override
Matt Harbison <matt_harbison@yahoo.com>
parents: 25433
diff changeset
   317
def exact(root, cwd, files, badfn=None):
504a1f295677 match: add an optional constructor parameter for a bad() override
Matt Harbison <matt_harbison@yahoo.com>
parents: 25433
diff changeset
   318
    return match(root, cwd, files, exact=True, badfn=badfn)
8585
bbcd0da50e96 match: redefine always and never in terms of match and exact
Matt Mackall <mpm@selenic.com>
parents: 8584
diff changeset
   319
23549
609ecde2778f match: make 'always' and 'exact' functions, not classes
Martin von Zweigbergk <martinvonz@google.com>
parents: 23480
diff changeset
   320
def always(root, cwd):
609ecde2778f match: make 'always' and 'exact' functions, not classes
Martin von Zweigbergk <martinvonz@google.com>
parents: 23480
diff changeset
   321
    return match(root, cwd, [])
8585
bbcd0da50e96 match: redefine always and never in terms of match and exact
Matt Mackall <mpm@selenic.com>
parents: 8584
diff changeset
   322
25433
419ac63fe29c match: introduce badmatch() to eliminate long callback chains with subrepos
Matt Harbison <matt_harbison@yahoo.com>
parents: 25362
diff changeset
   323
def badmatch(match, badfn):
419ac63fe29c match: introduce badmatch() to eliminate long callback chains with subrepos
Matt Harbison <matt_harbison@yahoo.com>
parents: 25362
diff changeset
   324
    """Make a copy of the given matcher, replacing its bad method with the given
419ac63fe29c match: introduce badmatch() to eliminate long callback chains with subrepos
Matt Harbison <matt_harbison@yahoo.com>
parents: 25362
diff changeset
   325
    one.
419ac63fe29c match: introduce badmatch() to eliminate long callback chains with subrepos
Matt Harbison <matt_harbison@yahoo.com>
parents: 25362
diff changeset
   326
    """
419ac63fe29c match: introduce badmatch() to eliminate long callback chains with subrepos
Matt Harbison <matt_harbison@yahoo.com>
parents: 25362
diff changeset
   327
    m = copy.copy(match)
419ac63fe29c match: introduce badmatch() to eliminate long callback chains with subrepos
Matt Harbison <matt_harbison@yahoo.com>
parents: 25362
diff changeset
   328
    m.bad = badfn
419ac63fe29c match: introduce badmatch() to eliminate long callback chains with subrepos
Matt Harbison <matt_harbison@yahoo.com>
parents: 25362
diff changeset
   329
    return m
419ac63fe29c match: introduce badmatch() to eliminate long callback chains with subrepos
Matt Harbison <matt_harbison@yahoo.com>
parents: 25362
diff changeset
   330
12165
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   331
class narrowmatcher(match):
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   332
    """Adapt a matcher to work on a subdirectory only.
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   333
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   334
    The paths are remapped to remove/insert the path as needed:
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   335
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   336
    >>> m1 = match('root', '', ['a.txt', 'sub/b.txt'])
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   337
    >>> m2 = narrowmatcher('sub', m1)
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   338
    >>> bool(m2('a.txt'))
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   339
    False
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   340
    >>> bool(m2('b.txt'))
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   341
    True
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   342
    >>> bool(m2.matchfn('a.txt'))
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   343
    False
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   344
    >>> bool(m2.matchfn('b.txt'))
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   345
    True
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   346
    >>> m2.files()
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   347
    ['b.txt']
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   348
    >>> m2.exact('b.txt')
b7fbf24c8a93 match: add narrowmatcher class
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parents: 12163
diff changeset
   349
    True
23686
164915e8ef7b narrowmatcher: propagate the rel() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23685
diff changeset
   350
    >>> util.pconvert(m2.rel('b.txt'))
164915e8ef7b narrowmatcher: propagate the rel() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23685
diff changeset
   351
    'sub/b.txt'
12268
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
   352
    >>> def bad(f, msg):
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
   353
    ...     print "%s: %s" % (f, msg)
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
   354
    >>> m1.bad = bad
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
   355
    >>> m2.bad('x.txt', 'No such file')
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
   356
    sub/x.txt: No such file
23685
5b1eac343ccd match: add the abs() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23549
diff changeset
   357
    >>> m2.abs('c.txt')
5b1eac343ccd match: add the abs() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23549
diff changeset
   358
    'sub/c.txt'
12165
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   359
    """
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   360
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   361
    def __init__(self, path, matcher):
12267
69e43c0515f2 narrowmatcher: fix broken rel method
Martin Geisler <mg@lazybytes.net>
parents: 12165
diff changeset
   362
        self._root = matcher._root
69e43c0515f2 narrowmatcher: fix broken rel method
Martin Geisler <mg@lazybytes.net>
parents: 12165
diff changeset
   363
        self._cwd = matcher._cwd
12165
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   364
        self._path = path
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   365
        self._matcher = matcher
18713
8728579f6bdc match: more accurately report when we're always going to match
Bryan O'Sullivan <bryano@fb.com>
parents: 17425
diff changeset
   366
        self._always = matcher._always
23480
88d2d77eb981 match: introduce uipath() to properly style a file path
Matt Harbison <matt_harbison@yahoo.com>
parents: 22777
diff changeset
   367
        self._pathrestricted = matcher._pathrestricted
12165
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   368
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   369
        self._files = [f[len(path) + 1:] for f in matcher._files
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   370
                       if f.startswith(path + "/")]
25194
ef4538ba67ef match: explicitly naming a subrepo implies always() for the submatcher
Matt Harbison <matt_harbison@yahoo.com>
parents: 24790
diff changeset
   371
ef4538ba67ef match: explicitly naming a subrepo implies always() for the submatcher
Matt Harbison <matt_harbison@yahoo.com>
parents: 24790
diff changeset
   372
        # If the parent repo had a path to this subrepo and no patterns are
ef4538ba67ef match: explicitly naming a subrepo implies always() for the submatcher
Matt Harbison <matt_harbison@yahoo.com>
parents: 24790
diff changeset
   373
        # specified, this submatcher always matches.
ef4538ba67ef match: explicitly naming a subrepo implies always() for the submatcher
Matt Harbison <matt_harbison@yahoo.com>
parents: 24790
diff changeset
   374
        if not self._always and not matcher._anypats:
25195
472a685a4961 merge with stable
Matt Mackall <mpm@selenic.com>
parents: 25189 25194
diff changeset
   375
            self._always = any(f == path for f in matcher._files)
25194
ef4538ba67ef match: explicitly naming a subrepo implies always() for the submatcher
Matt Harbison <matt_harbison@yahoo.com>
parents: 24790
diff changeset
   376
12165
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   377
        self._anypats = matcher._anypats
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   378
        self.matchfn = lambda fn: matcher.matchfn(self._path + "/" + fn)
25189
1c8c33eaea0a match: rename _fmap to _fileroots for clarity
Drew Gottlieb <drgott@google.com>
parents: 25188
diff changeset
   379
        self._fileroots = set(self._files)
12165
b7fbf24c8a93 match: add narrowmatcher class
Martin Geisler <mg@lazybytes.net>
parents: 12163
diff changeset
   380
23685
5b1eac343ccd match: add the abs() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23549
diff changeset
   381
    def abs(self, f):
5b1eac343ccd match: add the abs() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23549
diff changeset
   382
        return self._matcher.abs(self._path + "/" + f)
5b1eac343ccd match: add the abs() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23549
diff changeset
   383
12268
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
   384
    def bad(self, f, msg):
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
   385
        self._matcher.bad(self._path + "/" + f, msg)
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
   386
23686
164915e8ef7b narrowmatcher: propagate the rel() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23685
diff changeset
   387
    def rel(self, f):
164915e8ef7b narrowmatcher: propagate the rel() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23685
diff changeset
   388
        return self._matcher.rel(self._path + "/" + f)
164915e8ef7b narrowmatcher: propagate the rel() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23685
diff changeset
   389
24790
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   390
class icasefsmatcher(match):
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   391
    """A matcher for wdir on case insensitive filesystems, which normalizes the
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   392
    given patterns to the case in the filesystem.
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   393
    """
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   394
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   395
    def __init__(self, root, cwd, patterns, include, exclude, default, auditor,
25464
504a1f295677 match: add an optional constructor parameter for a bad() override
Matt Harbison <matt_harbison@yahoo.com>
parents: 25433
diff changeset
   396
                 ctx, listsubrepos=False, badfn=None):
24790
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   397
        init = super(icasefsmatcher, self).__init__
26000
9ac4e81b9659 match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25875
diff changeset
   398
        self._dirstate = ctx.repo().dirstate
9ac4e81b9659 match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25875
diff changeset
   399
        self._dsnormalize = self._dirstate.normalize
24790
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   400
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   401
        init(root, cwd, patterns, include, exclude, default, auditor=auditor,
25464
504a1f295677 match: add an optional constructor parameter for a bad() override
Matt Harbison <matt_harbison@yahoo.com>
parents: 25433
diff changeset
   402
             ctx=ctx, listsubrepos=listsubrepos, badfn=badfn)
24790
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   403
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   404
        # m.exact(file) must be based off of the actual user input, otherwise
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   405
        # inexact case matches are treated as exact, and not noted without -v.
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   406
        if self._files:
25189
1c8c33eaea0a match: rename _fmap to _fileroots for clarity
Drew Gottlieb <drgott@google.com>
parents: 25188
diff changeset
   407
            self._fileroots = set(_roots(self._kp))
24790
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   408
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   409
    def _normalize(self, patterns, default, root, cwd, auditor):
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   410
        self._kp = super(icasefsmatcher, self)._normalize(patterns, default,
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   411
                                                          root, cwd, auditor)
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   412
        kindpats = []
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   413
        for kind, pats, source in self._kp:
24790
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   414
            if kind not in ('re', 'relre'):  # regex can't be normalized
26000
9ac4e81b9659 match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25875
diff changeset
   415
                p = pats
24790
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   416
                pats = self._dsnormalize(pats)
26000
9ac4e81b9659 match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25875
diff changeset
   417
9ac4e81b9659 match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25875
diff changeset
   418
                # Preserve the original to handle a case only rename.
9ac4e81b9659 match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25875
diff changeset
   419
                if p != pats and p in self._dirstate:
9ac4e81b9659 match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25875
diff changeset
   420
                    kindpats.append((kind, p, source))
9ac4e81b9659 match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25875
diff changeset
   421
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   422
            kindpats.append((kind, pats, source))
24790
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   423
        return kindpats
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
   424
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   425
def patkind(pattern, default=None):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   426
    '''If pattern is 'kind:pat' with a known kind, return kind.'''
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   427
    return _patsplit(pattern, default)[0]
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   428
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   429
def _patsplit(pattern, default):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   430
    """Split a string into the optional pattern kind prefix and the actual
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   431
    pattern."""
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   432
    if ':' in pattern:
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   433
        kind, pat = pattern.split(':', 1)
13218
1f4721de2ca9 match: support reading pattern lists from files
Steve Borho <steve@borho.org>
parents: 12268
diff changeset
   434
        if kind in ('re', 'glob', 'path', 'relglob', 'relpath', 'relre',
25283
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   435
                    'listfile', 'listfile0', 'set', 'include', 'subinclude'):
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   436
            return kind, pat
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   437
    return default, pattern
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   438
8582
a4c199e12b5a match: remove head and tail args from _globre
Matt Mackall <mpm@selenic.com>
parents: 8581
diff changeset
   439
def _globre(pat):
21112
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   440
    r'''Convert an extended glob string to a regexp string.
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   441
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   442
    >>> print _globre(r'?')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   443
    .
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   444
    >>> print _globre(r'*')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   445
    [^/]*
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   446
    >>> print _globre(r'**')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   447
    .*
21815
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
   448
    >>> print _globre(r'**/a')
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
   449
    (?:.*/)?a
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
   450
    >>> print _globre(r'a/**/b')
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
   451
    a\/(?:.*/)?b
21112
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   452
    >>> print _globre(r'[a*?!^][^b][!c]')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   453
    [a*?!^][\^b][^c]
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   454
    >>> print _globre(r'{a,b}')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   455
    (?:a|b)
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   456
    >>> print _globre(r'.\*\?')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   457
    \.\*\?
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
   458
    '''
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   459
    i, n = 0, len(pat)
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   460
    res = ''
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   461
    group = 0
21915
d516b6de3821 match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents: 21909
diff changeset
   462
    escape = util.re.escape
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10263
diff changeset
   463
    def peek():
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10263
diff changeset
   464
        return i < n and pat[i]
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   465
    while i < n:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   466
        c = pat[i]
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10263
diff changeset
   467
        i += 1
8583
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
   468
        if c not in '*?[{},\\':
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
   469
            res += escape(c)
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
   470
        elif c == '*':
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   471
            if peek() == '*':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   472
                i += 1
21815
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
   473
                if peek() == '/':
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
   474
                    i += 1
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
   475
                    res += '(?:.*/)?'
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
   476
                else:
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
   477
                    res += '.*'
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   478
            else:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   479
                res += '[^/]*'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   480
        elif c == '?':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   481
            res += '.'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   482
        elif c == '[':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   483
            j = i
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   484
            if j < n and pat[j] in '!]':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   485
                j += 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   486
            while j < n and pat[j] != ']':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   487
                j += 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   488
            if j >= n:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   489
                res += '\\['
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   490
            else:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   491
                stuff = pat[i:j].replace('\\','\\\\')
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   492
                i = j + 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   493
                if stuff[0] == '!':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   494
                    stuff = '^' + stuff[1:]
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   495
                elif stuff[0] == '^':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   496
                    stuff = '\\' + stuff
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   497
                res = '%s[%s]' % (res, stuff)
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   498
        elif c == '{':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   499
            group += 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   500
            res += '(?:'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   501
        elif c == '}' and group:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   502
            res += ')'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   503
            group -= 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   504
        elif c == ',' and group:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   505
            res += '|'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   506
        elif c == '\\':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   507
            p = peek()
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   508
            if p:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   509
                i += 1
8583
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
   510
                res += escape(p)
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   511
            else:
8583
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
   512
                res += escape(c)
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   513
        else:
8583
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
   514
            res += escape(c)
8582
a4c199e12b5a match: remove head and tail args from _globre
Matt Mackall <mpm@selenic.com>
parents: 8581
diff changeset
   515
    return res
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
   516
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   517
def _regex(kind, pat, globsuffix):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   518
    '''Convert a (normalized) pattern of any kind into a regular expression.
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   519
    globsuffix is appended to the regexp of globs.'''
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   520
    if not pat:
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   521
        return ''
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   522
    if kind == 're':
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   523
        return pat
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   524
    if kind == 'path':
25636
bfe9ed85f27c match: let 'path:.' and 'path:' match everything (issue4687)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25194
diff changeset
   525
        if pat == '.':
bfe9ed85f27c match: let 'path:.' and 'path:' match everything (issue4687)
Matt Harbison <matt_harbison@yahoo.com>
parents: 25194
diff changeset
   526
            return ''
21915
d516b6de3821 match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents: 21909
diff changeset
   527
        return '^' + util.re.escape(pat) + '(?:/|$)'
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   528
    if kind == 'relglob':
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   529
        return '(?:|.*/)' + _globre(pat) + globsuffix
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   530
    if kind == 'relpath':
21915
d516b6de3821 match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents: 21909
diff changeset
   531
        return util.re.escape(pat) + '(?:/|$)'
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   532
    if kind == 'relre':
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   533
        if pat.startswith('^'):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   534
            return pat
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   535
        return '.*' + pat
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   536
    return _globre(pat) + globsuffix
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   537
25238
5a55ad6e8e24 match: add root to _buildmatch
Durham Goode <durham@fb.com>
parents: 25233
diff changeset
   538
def _buildmatch(ctx, kindpats, globsuffix, listsubrepos, root):
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   539
    '''Return regexp string and a matcher function for kindpats.
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   540
    globsuffix is appended to the regexp of globs.'''
25239
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   541
    matchfuncs = []
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   542
25283
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   543
    subincludes, kindpats = _expandsubinclude(kindpats, root)
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   544
    if subincludes:
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   545
        def matchsubinclude(f):
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   546
            for prefix, mf in subincludes:
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   547
                if f.startswith(prefix) and mf(f[len(prefix):]):
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   548
                    return True
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   549
            return False
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   550
        matchfuncs.append(matchsubinclude)
14675
cfc89398f710 match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents: 14674
diff changeset
   551
25122
755d23a49170 match: resolve filesets in subrepos for commands given the '-S' argument
Matt Harbison <matt_harbison@yahoo.com>
parents: 25114
diff changeset
   552
    fset, kindpats = _expandsets(kindpats, ctx, listsubrepos)
14675
cfc89398f710 match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents: 14674
diff changeset
   553
    if fset:
25239
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   554
        matchfuncs.append(fset.__contains__)
14675
cfc89398f710 match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents: 14674
diff changeset
   555
25239
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   556
    regex = ''
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   557
    if kindpats:
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   558
        regex, mf = _buildregexmatch(kindpats, globsuffix)
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   559
        matchfuncs.append(mf)
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   560
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   561
    if len(matchfuncs) == 1:
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   562
        return regex, matchfuncs[0]
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   563
    else:
714f612f2afc match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents: 25238
diff changeset
   564
        return regex, lambda f: any(mf(f) for mf in matchfuncs)
14675
cfc89398f710 match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents: 14674
diff changeset
   565
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   566
def _buildregexmatch(kindpats, globsuffix):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   567
    """Build a match function from a list of kinds and kindpats,
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   568
    return regexp string and a matcher function."""
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   569
    try:
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   570
        regex = '(?:%s)' % '|'.join([_regex(k, p, globsuffix)
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   571
                                     for (k, p, s) in kindpats])
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   572
        if len(regex) > 20000:
16687
e34106fa0dc3 cleanup: "raise SomeException()" -> "raise SomeException"
Brodie Rao <brodie@sf.io>
parents: 16645
diff changeset
   573
            raise OverflowError
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   574
        return regex, _rematcher(regex)
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   575
    except OverflowError:
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   576
        # We're using a Python with a tiny regex engine and we
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   577
        # made it explode, so we'll divide the pattern list in two
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   578
        # until it works
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   579
        l = len(kindpats)
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   580
        if l < 2:
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   581
            raise
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   582
        regexa, a = _buildregexmatch(kindpats[:l//2], globsuffix)
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   583
        regexb, b = _buildregexmatch(kindpats[l//2:], globsuffix)
21191
a2f4ea82d6d3 match: fix NameError 'pat' on overflow of regex pattern length
Yuya Nishihara <yuya@tcha.org>
parents: 21113
diff changeset
   584
        return regex, lambda s: a(s) or b(s)
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   585
    except re.error:
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   586
        for k, p, s in kindpats:
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   587
            try:
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   588
                _rematcher('(?:%s)' % _regex(k, p, globsuffix))
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   589
            except re.error:
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   590
                if s:
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26014
diff changeset
   591
                    raise error.Abort(_("%s: invalid pattern (%s): %s") %
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   592
                                     (s, k, p))
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   593
                else:
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26014
diff changeset
   594
                    raise error.Abort(_("invalid pattern (%s): %s") % (k, p))
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26014
diff changeset
   595
        raise error.Abort(_("invalid pattern"))
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   596
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   597
def _roots(kindpats):
21079
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
   598
    '''return roots and exact explicitly listed files from patterns
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
   599
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   600
    >>> _roots([('glob', 'g/*', ''), ('glob', 'g', ''), ('glob', 'g*', '')])
21079
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
   601
    ['g', 'g', '.']
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   602
    >>> _roots([('relpath', 'r', ''), ('path', 'p/p', ''), ('path', '', '')])
21079
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
   603
    ['r', 'p/p', '.']
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   604
    >>> _roots([('relglob', 'rg*', ''), ('re', 're/', ''), ('relre', 'rr', '')])
21079
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
   605
    ['.', '.', '.']
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
   606
    '''
8576
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
   607
    r = []
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   608
    for kind, pat, source in kindpats:
8584
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
   609
        if kind == 'glob': # find the non-glob prefix
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
   610
            root = []
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   611
            for p in pat.split('/'):
8584
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
   612
                if '[' in p or '{' in p or '*' in p or '?' in p:
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
   613
                    break
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
   614
                root.append(p)
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
   615
            r.append('/'.join(root) or '.')
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
   616
        elif kind in ('relpath', 'path'):
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   617
            r.append(pat or '.')
19107
fcf08023c011 match: fix root calculation for combining regexps with simple paths
Mads Kiilerich <madski@unity3d.com>
parents: 18713
diff changeset
   618
        else: # relglob, re, relre
8576
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
   619
            r.append('.')
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
   620
    return r
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
   621
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
   622
def _anypats(kindpats):
25213
08a8e9da0ae7 match: add source to kindpats list
Durham Goode <durham@fb.com>
parents: 25195
diff changeset
   623
    for kind, pat, source in kindpats:
16182
bd12ef347680 match: consider filesets as "anypats"
Patrick Mezard <patrick@mezard.eu>
parents: 15029
diff changeset
   624
        if kind in ('glob', 're', 'relglob', 'relre', 'set'):
8576
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
   625
            return True
25167
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   626
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   627
_commentre = None
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   628
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   629
def readpatternfile(filepath, warn):
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   630
    '''parse a pattern file, returning a list of
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   631
    patterns. These patterns should be given to compile()
25216
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   632
    to be validated and converted into a match function.
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   633
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   634
    trailing white space is dropped.
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   635
    the escape character is backslash.
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   636
    comments start with #.
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   637
    empty lines are skipped.
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   638
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   639
    lines can be of the following formats:
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   640
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   641
    syntax: regexp # defaults following lines to non-rooted regexps
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   642
    syntax: glob   # defaults following lines to non-rooted globs
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   643
    re:pattern     # non-rooted regular expression
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   644
    glob:pattern   # non-rooted glob
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   645
    pattern        # pattern of the current default type'''
dc562165044a ignore: use 'include:' rules instead of custom syntax
Durham Goode <durham@fb.com>
parents: 25215
diff changeset
   646
25215
4040e06e9b99 match: add 'include:' syntax
Durham Goode <durham@fb.com>
parents: 25214
diff changeset
   647
    syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:',
25283
19d0e5efa6ca match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents: 25250
diff changeset
   648
                'include': 'include', 'subinclude': 'subinclude'}
25167
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   649
    syntax = 'relre:'
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   650
    patterns = []
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   651
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   652
    fp = open(filepath)
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   653
    for line in fp:
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   654
        if "#" in line:
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   655
            global _commentre
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   656
            if not _commentre:
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   657
                _commentre = re.compile(r'((^|[^\\])(\\\\)*)#.*')
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   658
            # remove comments prefixed by an even number of escapes
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   659
            line = _commentre.sub(r'\1', line)
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   660
            # fixup properly escaped comments that survived the above
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   661
            line = line.replace("\\#", "#")
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   662
        line = line.rstrip()
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   663
        if not line:
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   664
            continue
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   665
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   666
        if line.startswith('syntax:'):
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   667
            s = line[7:].strip()
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   668
            try:
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   669
                syntax = syntaxes[s]
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   670
            except KeyError:
25214
08703b10c3ae match: add optional warn argument
Durham Goode <durham@fb.com>
parents: 25213
diff changeset
   671
                if warn:
08703b10c3ae match: add optional warn argument
Durham Goode <durham@fb.com>
parents: 25213
diff changeset
   672
                    warn(_("%s: ignoring invalid syntax '%s'\n") %
08703b10c3ae match: add optional warn argument
Durham Goode <durham@fb.com>
parents: 25213
diff changeset
   673
                         (filepath, s))
25167
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   674
            continue
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   675
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   676
        linesyntax = syntax
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   677
        for s, rels in syntaxes.iteritems():
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   678
            if line.startswith(rels):
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   679
                linesyntax = rels
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   680
                line = line[len(rels):]
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   681
                break
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   682
            elif line.startswith(s+':'):
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   683
                linesyntax = rels
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   684
                line = line[len(s) + 1:]
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   685
                break
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   686
        patterns.append(linesyntax + line)
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   687
    fp.close()
6f7048cc2419 ignore: move readpatternfile to match.py
Durham Goode <durham@fb.com>
parents: 25122
diff changeset
   688
    return patterns