mercurial/util.py

5190:6d5ed61c508c

        if not pats:
            return
        try:
            pat = '(?:%s)' % '|'.join([regex(k, p, tail) for (k, p) in pats])
            return re.compile(pat).match
        except re.error:
            for k, p in pats:
                try:
                    re.compile('(?:%s)' % regex(k, p, tail))
                except re.error:

5201:0f6a1bdf89fb

        if not pats:
            return
        try:
            pat = '(?:%s)' % '|'.join([regex(k, p, tail) for (k, p) in pats])
            return re.compile(pat).match
        except OverflowError:
            # We're using a Python with a tiny regex engine and we
            # made it explode, so we'll divide the pattern list in two
            # until it works
            l = len(pats)
            if l < 2:
                raise
            a, b = matchfn(pats[:l/2], tail), matchfn(pats[l/2:], tail)
            return lambda s: a(s) or b(s)
        except re.error:
            for k, p in pats:
                try:
                    re.compile('(?:%s)' % regex(k, p, tail))
                except re.error: