tests/readlink.py

windows-ci: run Windows CI automatically alongside the others

This will enable us to make Windows Python 3 a first-class citizen for the next
6.0 cycle. We will probably get some flaky tests and we're missing others that
are skipped, but we'll turn them on it future patches.

Differential Revision: https://phab.mercurial-scm.org/D11256

#!/usr/bin/env python3

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)