state: don't have a dict like interface for cmdstate class
This patch changes the cmdstate class to stop having a dict like interface and
delete the __nonzero__ function. After this patch, the save fuction takes a dict
to store the data and read function returns a dict of the data stored.
Differential Revision: https://phab.mercurial-scm.org/D3572
#!/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)