view tests/readlink.py @ 20185:7d4219512823

branchmap: cache open/closed branch head information

This lets us determine the open/closed state of a branch without
reading from the changelog (which can be costly over NFS and/or with
many branches).

#!/usr/bin/env python

import errno, os, sys

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

sys.exit(0)