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# fileset.py - file set queries for mercurial
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#
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# Copyright 2010 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import errno
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import re
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from .i18n import _
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from . import (
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error,
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filesetlang,
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match as matchmod,
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merge,
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pycompat,
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registrar,
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scmutil,
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util,
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)
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from .utils import (
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stringutil,
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)
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# common weight constants
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_WEIGHT_CHECK_FILENAME = filesetlang.WEIGHT_CHECK_FILENAME
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_WEIGHT_READ_CONTENTS = filesetlang.WEIGHT_READ_CONTENTS
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_WEIGHT_STATUS = filesetlang.WEIGHT_STATUS
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_WEIGHT_STATUS_THOROUGH = filesetlang.WEIGHT_STATUS_THOROUGH
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# helpers for processing parsed tree
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getsymbol = filesetlang.getsymbol
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getstring = filesetlang.getstring
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_getkindpat = filesetlang.getkindpat
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getpattern = filesetlang.getpattern
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getargs = filesetlang.getargs
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def getmatch(mctx, x):
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if not x:
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raise error.ParseError(_("missing argument"))
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return methods[x[0]](mctx, *x[1:])
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def getmatchwithstatus(mctx, x, hint):
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keys = set(getstring(hint, 'status hint must be a string').split())
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return getmatch(mctx.withstatus(keys), x)
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def stringmatch(mctx, x):
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return mctx.matcher([x])
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def kindpatmatch(mctx, x, y):
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return stringmatch(mctx, _getkindpat(x, y, matchmod.allpatternkinds,
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_("pattern must be a string")))
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def patternsmatch(mctx, *xs):
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allkinds = matchmod.allpatternkinds
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patterns = [getpattern(x, allkinds, _("pattern must be a string"))
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for x in xs]
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return mctx.matcher(patterns)
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def andmatch(mctx, x, y):
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xm = getmatch(mctx, x)
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ym = getmatch(mctx.narrowed(xm), y)
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return matchmod.intersectmatchers(xm, ym)
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def ormatch(mctx, *xs):
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ms = [getmatch(mctx, x) for x in xs]
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return matchmod.unionmatcher(ms)
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def notmatch(mctx, x):
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m = getmatch(mctx, x)
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return mctx.predicate(lambda f: not m(f), predrepr=('<not %r>', m))
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def minusmatch(mctx, x, y):
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xm = getmatch(mctx, x)
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ym = getmatch(mctx.narrowed(xm), y)
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return matchmod.differencematcher(xm, ym)
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def listmatch(mctx, *xs):
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raise error.ParseError(_("can't use a list in this context"),
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hint=_('see \'hg help "filesets.x or y"\''))
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def func(mctx, a, b):
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funcname = getsymbol(a)
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if funcname in symbols:
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return symbols[funcname](mctx, b)
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keep = lambda fn: getattr(fn, '__doc__', None) is not None
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syms = [s for (s, fn) in symbols.items() if keep(fn)]
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raise error.UnknownIdentifier(funcname, syms)
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# symbols are callable like:
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# fun(mctx, x)
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# with:
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# mctx - current matchctx instance
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# x - argument in tree form
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symbols = filesetlang.symbols
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predicate = registrar.filesetpredicate(symbols)
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@predicate('modified()', callstatus=True, weight=_WEIGHT_STATUS)
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def modified(mctx, x):
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"""File that is modified according to :hg:`status`.
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"""
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# i18n: "modified" is a keyword
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getargs(x, 0, 0, _("modified takes no arguments"))
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s = set(mctx.status().modified)
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return mctx.predicate(s.__contains__, predrepr='modified')
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@predicate('added()', callstatus=True, weight=_WEIGHT_STATUS)
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def added(mctx, x):
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"""File that is added according to :hg:`status`.
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"""
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# i18n: "added" is a keyword
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getargs(x, 0, 0, _("added takes no arguments"))
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s = set(mctx.status().added)
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return mctx.predicate(s.__contains__, predrepr='added')
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@predicate('removed()', callstatus=True, weight=_WEIGHT_STATUS)
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def removed(mctx, x):
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"""File that is removed according to :hg:`status`.
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"""
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# i18n: "removed" is a keyword
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getargs(x, 0, 0, _("removed takes no arguments"))
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s = set(mctx.status().removed)
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return mctx.predicate(s.__contains__, predrepr='removed')
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@predicate('deleted()', callstatus=True, weight=_WEIGHT_STATUS)
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def deleted(mctx, x):
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"""Alias for ``missing()``.
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"""
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# i18n: "deleted" is a keyword
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getargs(x, 0, 0, _("deleted takes no arguments"))
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s = set(mctx.status().deleted)
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return mctx.predicate(s.__contains__, predrepr='deleted')
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@predicate('missing()', callstatus=True, weight=_WEIGHT_STATUS)
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def missing(mctx, x):
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"""File that is missing according to :hg:`status`.
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"""
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# i18n: "missing" is a keyword
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getargs(x, 0, 0, _("missing takes no arguments"))
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s = set(mctx.status().deleted)
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return mctx.predicate(s.__contains__, predrepr='deleted')
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@predicate('unknown()', callstatus=True, weight=_WEIGHT_STATUS_THOROUGH)
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def unknown(mctx, x):
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"""File that is unknown according to :hg:`status`."""
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# i18n: "unknown" is a keyword
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getargs(x, 0, 0, _("unknown takes no arguments"))
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s = set(mctx.status().unknown)
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return mctx.predicate(s.__contains__, predrepr='unknown')
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@predicate('ignored()', callstatus=True, weight=_WEIGHT_STATUS_THOROUGH)
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def ignored(mctx, x):
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"""File that is ignored according to :hg:`status`."""
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# i18n: "ignored" is a keyword
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getargs(x, 0, 0, _("ignored takes no arguments"))
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s = set(mctx.status().ignored)
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return mctx.predicate(s.__contains__, predrepr='ignored')
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@predicate('clean()', callstatus=True, weight=_WEIGHT_STATUS)
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def clean(mctx, x):
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"""File that is clean according to :hg:`status`.
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"""
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# i18n: "clean" is a keyword
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getargs(x, 0, 0, _("clean takes no arguments"))
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s = set(mctx.status().clean)
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return mctx.predicate(s.__contains__, predrepr='clean')
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@predicate('tracked()')
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def tracked(mctx, x):
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"""File that is under Mercurial control."""
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# i18n: "tracked" is a keyword
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getargs(x, 0, 0, _("tracked takes no arguments"))
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return mctx.predicate(mctx.ctx.__contains__, predrepr='tracked')
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@predicate('binary()', weight=_WEIGHT_READ_CONTENTS)
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def binary(mctx, x):
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"""File that appears to be binary (contains NUL bytes).
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"""
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# i18n: "binary" is a keyword
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getargs(x, 0, 0, _("binary takes no arguments"))
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return mctx.fpredicate(lambda fctx: fctx.isbinary(),
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predrepr='binary', cache=True)
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@predicate('exec()')
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def exec_(mctx, x):
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"""File that is marked as executable.
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"""
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# i18n: "exec" is a keyword
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getargs(x, 0, 0, _("exec takes no arguments"))
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ctx = mctx.ctx
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return mctx.predicate(lambda f: ctx.flags(f) == 'x', predrepr='exec')
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@predicate('symlink()')
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def symlink(mctx, x):
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"""File that is marked as a symlink.
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"""
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# i18n: "symlink" is a keyword
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getargs(x, 0, 0, _("symlink takes no arguments"))
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ctx = mctx.ctx
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return mctx.predicate(lambda f: ctx.flags(f) == 'l', predrepr='symlink')
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@predicate('resolved()', weight=_WEIGHT_STATUS)
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def resolved(mctx, x):
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"""File that is marked resolved according to :hg:`resolve -l`.
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"""
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# i18n: "resolved" is a keyword
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getargs(x, 0, 0, _("resolved takes no arguments"))
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if mctx.ctx.rev() is not None:
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return mctx.never()
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ms = merge.mergestate.read(mctx.ctx.repo())
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return mctx.predicate(lambda f: f in ms and ms[f] == 'r',
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predrepr='resolved')
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@predicate('unresolved()', weight=_WEIGHT_STATUS)
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def unresolved(mctx, x):
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"""File that is marked unresolved according to :hg:`resolve -l`.
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"""
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# i18n: "unresolved" is a keyword
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getargs(x, 0, 0, _("unresolved takes no arguments"))
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if mctx.ctx.rev() is not None:
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return mctx.never()
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ms = merge.mergestate.read(mctx.ctx.repo())
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return mctx.predicate(lambda f: f in ms and ms[f] == 'u',
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predrepr='unresolved')
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@predicate('hgignore()', weight=_WEIGHT_STATUS)
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def hgignore(mctx, x):
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"""File that matches the active .hgignore pattern.
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"""
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# i18n: "hgignore" is a keyword
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getargs(x, 0, 0, _("hgignore takes no arguments"))
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return mctx.ctx.repo().dirstate._ignore
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@predicate('portable()', weight=_WEIGHT_CHECK_FILENAME)
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def portable(mctx, x):
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"""File that has a portable name. (This doesn't include filenames with case
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collisions.)
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"""
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# i18n: "portable" is a keyword
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getargs(x, 0, 0, _("portable takes no arguments"))
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return mctx.predicate(lambda f: util.checkwinfilename(f) is None,
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predrepr='portable')
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@predicate('grep(regex)', weight=_WEIGHT_READ_CONTENTS)
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def grep(mctx, x):
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"""File contains the given regular expression.
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"""
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try:
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# i18n: "grep" is a keyword
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r = re.compile(getstring(x, _("grep requires a pattern")))
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except re.error as e:
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raise error.ParseError(_('invalid match pattern: %s') %
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stringutil.forcebytestr(e))
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return mctx.fpredicate(lambda fctx: r.search(fctx.data()),
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predrepr=('grep(%r)', r.pattern), cache=True)
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def _sizetomax(s):
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try:
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s = s.strip().lower()
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for k, v in util._sizeunits:
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if s.endswith(k):
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# max(4k) = 5k - 1, max(4.5k) = 4.6k - 1
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n = s[:-len(k)]
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inc = 1.0
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if "." in n:
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inc /= 10 ** len(n.split(".")[1])
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return int((float(n) + inc) * v) - 1
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# no extension, this is a precise value
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return int(s)
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except ValueError:
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raise error.ParseError(_("couldn't parse size: %s") % s)
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def sizematcher(expr):
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"""Return a function(size) -> bool from the ``size()`` expression"""
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expr = expr.strip()
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if '-' in expr: # do we have a range?
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a, b = expr.split('-', 1)
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a = util.sizetoint(a)
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b = util.sizetoint(b)
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return lambda x: x >= a and x <= b
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elif expr.startswith("<="):
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a = util.sizetoint(expr[2:])
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return lambda x: x <= a
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elif expr.startswith("<"):
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a = util.sizetoint(expr[1:])
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return lambda x: x < a
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elif expr.startswith(">="):
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a = util.sizetoint(expr[2:])
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return lambda x: x >= a
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elif expr.startswith(">"):
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a = util.sizetoint(expr[1:])
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return lambda x: x > a
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else:
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a = util.sizetoint(expr)
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b = _sizetomax(expr)
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return lambda x: x >= a and x <= b
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@predicate('size(expression)', weight=_WEIGHT_STATUS)
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def size(mctx, x):
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"""File size matches the given expression. Examples:
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- size('1k') - files from 1024 to 2047 bytes
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- size('< 20k') - files less than 20480 bytes
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- size('>= .5MB') - files at least 524288 bytes
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- size('4k - 1MB') - files from 4096 bytes to 1048576 bytes
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"""
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# i18n: "size" is a keyword
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expr = getstring(x, _("size requires an expression"))
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m = sizematcher(expr)
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return mctx.fpredicate(lambda fctx: m(fctx.size()),
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predrepr=('size(%r)', expr), cache=True)
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@predicate('encoding(name)', weight=_WEIGHT_READ_CONTENTS)
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def encoding(mctx, x):
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"""File can be successfully decoded with the given character
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encoding. May not be useful for encodings other than ASCII and
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UTF-8.
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"""
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# i18n: "encoding" is a keyword
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enc = getstring(x, _("encoding requires an encoding name"))
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def encp(fctx):
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d = fctx.data()
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try:
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d.decode(pycompat.sysstr(enc))
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return True
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except LookupError:
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raise error.Abort(_("unknown encoding '%s'") % enc)
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except UnicodeDecodeError:
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return False
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return mctx.fpredicate(encp, predrepr=('encoding(%r)', enc), cache=True)
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@predicate('eol(style)', weight=_WEIGHT_READ_CONTENTS)
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def eol(mctx, x):
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"""File contains newlines of the given style (dos, unix, mac). Binary
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files are excluded, files with mixed line endings match multiple
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styles.
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"""
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# i18n: "eol" is a keyword
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enc = getstring(x, _("eol requires a style name"))
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def eolp(fctx):
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if fctx.isbinary():
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return False
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d = fctx.data()
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if (enc == 'dos' or enc == 'win') and '\r\n' in d:
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return True
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elif enc == 'unix' and re.search('(?<!\r)\n', d):
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return True
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elif enc == 'mac' and re.search('\r(?!\n)', d):
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return True
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return False
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return mctx.fpredicate(eolp, predrepr=('eol(%r)', enc), cache=True)
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@predicate('copied()')
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def copied(mctx, x):
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"""File that is recorded as being copied.
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"""
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# i18n: "copied" is a keyword
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getargs(x, 0, 0, _("copied takes no arguments"))
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def copiedp(fctx):
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p = fctx.parents()
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return p and p[0].path() != fctx.path()
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return mctx.fpredicate(copiedp, predrepr='copied', cache=True)
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@predicate('revs(revs, pattern)', weight=_WEIGHT_STATUS)
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def revs(mctx, x):
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"""Evaluate set in the specified revisions. If the revset match multiple
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revs, this will return file matching pattern in any of the revision.
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"""
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# i18n: "revs" is a keyword
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r, x = getargs(x, 2, 2, _("revs takes two arguments"))
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# i18n: "revs" is a keyword
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revspec = getstring(r, _("first argument to revs must be a revision"))
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repo = mctx.ctx.repo()
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revs = scmutil.revrange(repo, [revspec])
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matchers = []
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for r in revs:
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ctx = repo[r]
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mc = mctx.switch(ctx.p1(), ctx)
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matchers.append(getmatch(mc, x))
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if not matchers:
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return mctx.never()
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if len(matchers) == 1:
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return matchers[0]
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return matchmod.unionmatcher(matchers)
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@predicate('status(base, rev, pattern)', weight=_WEIGHT_STATUS)
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def status(mctx, x):
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"""Evaluate predicate using status change between ``base`` and
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``rev``. Examples:
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|
|
|
|
- ``status(3, 7, added())`` - matches files added from "3" to "7"
|
|
|
"""
|
|
|
repo = mctx.ctx.repo()
|
|
|
# i18n: "status" is a keyword
|
|
|
b, r, x = getargs(x, 3, 3, _("status takes three arguments"))
|
|
|
# i18n: "status" is a keyword
|
|
|
baseerr = _("first argument to status must be a revision")
|
|
|
baserevspec = getstring(b, baseerr)
|
|
|
if not baserevspec:
|
|
|
raise error.ParseError(baseerr)
|
|
|
reverr = _("second argument to status must be a revision")
|
|
|
revspec = getstring(r, reverr)
|
|
|
if not revspec:
|
|
|
raise error.ParseError(reverr)
|
|
|
basectx, ctx = scmutil.revpair(repo, [baserevspec, revspec])
|
|
|
mc = mctx.switch(basectx, ctx)
|
|
|
return getmatch(mc, x)
|
|
|
|
|
|
@predicate('subrepo([pattern])')
|
|
|
def subrepo(mctx, x):
|
|
|
"""Subrepositories whose paths match the given pattern.
|
|
|
"""
|
|
|
# i18n: "subrepo" is a keyword
|
|
|
getargs(x, 0, 1, _("subrepo takes at most one argument"))
|
|
|
ctx = mctx.ctx
|
|
|
sstate = ctx.substate
|
|
|
if x:
|
|
|
pat = getpattern(x, matchmod.allpatternkinds,
|
|
|
# i18n: "subrepo" is a keyword
|
|
|
_("subrepo requires a pattern or no arguments"))
|
|
|
fast = not matchmod.patkind(pat)
|
|
|
if fast:
|
|
|
def m(s):
|
|
|
return (s == pat)
|
|
|
else:
|
|
|
m = matchmod.match(ctx.repo().root, '', [pat], ctx=ctx)
|
|
|
return mctx.predicate(lambda f: f in sstate and m(f),
|
|
|
predrepr=('subrepo(%r)', pat))
|
|
|
else:
|
|
|
return mctx.predicate(sstate.__contains__, predrepr='subrepo')
|
|
|
|
|
|
methods = {
|
|
|
'withstatus': getmatchwithstatus,
|
|
|
'string': stringmatch,
|
|
|
'symbol': stringmatch,
|
|
|
'kindpat': kindpatmatch,
|
|
|
'patterns': patternsmatch,
|
|
|
'and': andmatch,
|
|
|
'or': ormatch,
|
|
|
'minus': minusmatch,
|
|
|
'list': listmatch,
|
|
|
'not': notmatch,
|
|
|
'func': func,
|
|
|
}
|
|
|
|
|
|
class matchctx(object):
|
|
|
def __init__(self, basectx, ctx, badfn=None):
|
|
|
self._basectx = basectx
|
|
|
self.ctx = ctx
|
|
|
self._badfn = badfn
|
|
|
self._match = None
|
|
|
self._status = None
|
|
|
|
|
|
def narrowed(self, match):
|
|
|
"""Create matchctx for a sub-tree narrowed by the given matcher"""
|
|
|
mctx = matchctx(self._basectx, self.ctx, self._badfn)
|
|
|
mctx._match = match
|
|
|
# leave wider status which we don't have to care
|
|
|
mctx._status = self._status
|
|
|
return mctx
|
|
|
|
|
|
def switch(self, basectx, ctx):
|
|
|
mctx = matchctx(basectx, ctx, self._badfn)
|
|
|
mctx._match = self._match
|
|
|
return mctx
|
|
|
|
|
|
def withstatus(self, keys):
|
|
|
"""Create matchctx which has precomputed status specified by the keys"""
|
|
|
mctx = matchctx(self._basectx, self.ctx, self._badfn)
|
|
|
mctx._match = self._match
|
|
|
mctx._buildstatus(keys)
|
|
|
return mctx
|
|
|
|
|
|
def _buildstatus(self, keys):
|
|
|
self._status = self._basectx.status(self.ctx, self._match,
|
|
|
listignored='ignored' in keys,
|
|
|
listclean='clean' in keys,
|
|
|
listunknown='unknown' in keys)
|
|
|
|
|
|
def status(self):
|
|
|
return self._status
|
|
|
|
|
|
def matcher(self, patterns):
|
|
|
return self.ctx.match(patterns, badfn=self._badfn)
|
|
|
|
|
|
def predicate(self, predfn, predrepr=None, cache=False):
|
|
|
"""Create a matcher to select files by predfn(filename)"""
|
|
|
if cache:
|
|
|
predfn = util.cachefunc(predfn)
|
|
|
return matchmod.predicatematcher(predfn, predrepr=predrepr,
|
|
|
badfn=self._badfn)
|
|
|
|
|
|
def fpredicate(self, predfn, predrepr=None, cache=False):
|
|
|
"""Create a matcher to select files by predfn(fctx) at the current
|
|
|
revision
|
|
|
|
|
|
Missing files are ignored.
|
|
|
"""
|
|
|
ctx = self.ctx
|
|
|
if ctx.rev() is None:
|
|
|
def fctxpredfn(f):
|
|
|
try:
|
|
|
fctx = ctx[f]
|
|
|
except error.LookupError:
|
|
|
return False
|
|
|
try:
|
|
|
fctx.audit()
|
|
|
except error.Abort:
|
|
|
return False
|
|
|
try:
|
|
|
return predfn(fctx)
|
|
|
except (IOError, OSError) as e:
|
|
|
# open()-ing a directory fails with EACCES on Windows
|
|
|
if e.errno in (errno.ENOENT, errno.EACCES, errno.ENOTDIR,
|
|
|
errno.EISDIR):
|
|
|
return False
|
|
|
raise
|
|
|
else:
|
|
|
def fctxpredfn(f):
|
|
|
try:
|
|
|
fctx = ctx[f]
|
|
|
except error.LookupError:
|
|
|
return False
|
|
|
return predfn(fctx)
|
|
|
return self.predicate(fctxpredfn, predrepr=predrepr, cache=cache)
|
|
|
|
|
|
def never(self):
|
|
|
"""Create a matcher to select nothing"""
|
|
|
return matchmod.never(badfn=self._badfn)
|
|
|
|
|
|
def match(ctx, expr, badfn=None):
|
|
|
"""Create a matcher for a single fileset expression"""
|
|
|
tree = filesetlang.parse(expr)
|
|
|
tree = filesetlang.analyze(tree)
|
|
|
tree = filesetlang.optimize(tree)
|
|
|
mctx = matchctx(ctx.p1(), ctx, badfn=badfn)
|
|
|
return getmatch(mctx, tree)
|
|
|
|
|
|
|
|
|
def loadpredicate(ui, extname, registrarobj):
|
|
|
"""Load fileset predicates from specified registrarobj
|
|
|
"""
|
|
|
for name, func in registrarobj._table.iteritems():
|
|
|
symbols[name] = func
|
|
|
|
|
|
# tell hggettext to extract docstrings from these functions:
|
|
|
i18nfunctions = symbols.values()
|
|
|
|