hgext/sparse.py

33495:d78b7d734b63

def _setupdirstate(ui):
    """Modify the dirstate to prevent stat'ing excluded files,
    and to prevent modifications to files outside the checkout.
    """

    # The atrocity below is needed to wrap dirstate._ignore. It is a cached
    # property, which means normal function wrapping doesn't work.
    class ignorewrapper(object):
        def __init__(self, orig):
            self.orig = orig
            self.origignore = None
            self.func = None
            self.sparsematch = None

        def __get__(self, obj, type=None):
            origignore = self.orig.__get__(obj)

            sparsematch = obj._sparsematcher
            if sparsematch.always():
                return origignore

            if self.sparsematch != sparsematch or self.origignore != origignore:
                self.func = matchmod.unionmatcher([
                    origignore, matchmod.negatematcher(sparsematch)])
                self.sparsematch = sparsematch
                self.origignore = origignore
            return self.func

        def __set__(self, obj, value):
            return self.orig.__set__(obj, value)

        def __delete__(self, obj):
            return self.orig.__delete__(obj)

    replacefilecache(dirstate.dirstate, '_ignore', ignorewrapper)

    # dirstate.rebuild should not add non-matching files
    def _rebuild(orig, self, parent, allfiles, changedfiles=None):
        matcher = self._sparsematcher
        if not matcher.always():

33496:258298f4712b

def _setupdirstate(ui):
    """Modify the dirstate to prevent stat'ing excluded files,
    and to prevent modifications to files outside the checkout.
    """

    def walk(orig, self, match, subrepos, unknown, ignored, full=True):
        match = matchmod.intersectmatchers(match, self._sparsematcher)
        return orig(self, match, subrepos, unknown, ignored, full)

    extensions.wrapfunction(dirstate.dirstate, 'walk', walk)

    # dirstate.rebuild should not add non-matching files
    def _rebuild(orig, self, parent, allfiles, changedfiles=None):
        matcher = self._sparsematcher
        if not matcher.always():