util: disable hardlink for copyfile if fstype is outside a whitelist
Since osutil.getfstype is available, use it to detect filesystem types. The
whitelist currently includes common local filesystems on Linux where they
should have good hardlink support. We may add new filesystems for other
platforms later.
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)