view tests/readlink.py @ 46213:30310886d423

upgrade: introduce post upgrade and downgrade message for improvements

For certain imporvements, we will like to show a message after the operation
completed. This patch introduces that functionality.

Right now it's only used by share-safe feature.

Differential Revision: https://phab.mercurial-scm.org/D9619

#!/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)