tests/readlink.py

manifest: change changectx to access manifest via manifestlog

This is the first place where we'll start using manifestctx instances instead of
manifestdict. This will facilitate using different manifestctx implementations
in the future.

#!/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)