comparison mercurial/util.py @ 1454:f4250806dbeb

further fix traceback on invalid .hgignore patterns

Please apply this little fix (matchfn return None if no patterns are
specified).

1453:6fbb13b7a59f

            return '.*' + name
        return head + globre(name, '', tail)

    def matchfn(pats, tail):
        """build a matching function from a set of patterns"""
        matches = []
        for k, p in pats:
            try:
                pat = '(?:%s)' % regex(k, p, tail)
                matches.append(re.compile(pat).match)

1454:f4250806dbeb

            return '.*' + name
        return head + globre(name, '', tail)

    def matchfn(pats, tail):
        """build a matching function from a set of patterns"""
        if not pats:
            return
        matches = []
        for k, p in pats:
            try:
                pat = '(?:%s)' % regex(k, p, tail)
                matches.append(re.compile(pat).match)