tests/readlink.py

test-clone: fix some instability in pooled clone race condition test

Healthy output (one log file mentioning "existing pooled" and one
mentioning "new pooled") will now print in a stable order, but
unhealthy output will print some sort of error.

This reduces the flakiness of the test from 55% to 38%. My next patch
makes it completely stable.

#!/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)