tests/readlink.py

revset: add %r for embedded revset support to formatspec

This allows folding external revsets or lists of revsets into a revset
expression. Revsets are pre-parsed for validity so that syntax errors
don't escape.

#!/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)