tests/readlink.py

archive: change "matcnfn" argument to a real matcher

All callers seem to be passing a real matcher, not just a function. We
were also passing it into match.subdirmatcher(), which assumes it is a
matcher.

Differential Revision: https://phab.mercurial-scm.org/D5176

#!/usr/bin/env python

from __future__ import absolute_import, print_function

import errno
import os
import sys

for f in sys.argv[1:]:
    try:
        print(f, '->', os.readlink(f))
    except OSError as err:
        if err.errno != errno.EINVAL:
            raise
        print(f, '->', f, 'not a symlink')

sys.exit(0)