view tests/readlink.py @ 28960:14e683d6b273

transaction: clear callback instances after usage

Prevents double usage and helps reduce reference cycles, which
were observed to occur in `hg convert` and other scenarios where
there are multiple transactions per process.

#!/usr/bin/env python

import errno, os, 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, 'not a symlink'

sys.exit(0)