tests/readlink.py

hooks: add a 'txnabort' hook

This hook will be called whenever a transaction is aborted. This will make it
easy for people to clean up temporary content they may have created during a
transaction.

#!/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)