tests/readlink.py

run-tests: use $HGTEST_RUN_TESTS_PURE

test-run-tests and test-hghave call run-tests;
if you don't have a working build environment, and you are trying
to use --pure, then if they don't use --pure or --with-hg,
they'll break.

#!/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)