tests/readlink.py

phases: directly update the phase sets in advanceboundary

This is similar to what we do in retractboundary. There is no need to invalidate
the cache if we have everything at hand to update it.

#!/usr/bin/env python3


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)