copies-rust: extract conflicting value comparison in its own function
First, that logic is complicated enough to be in it own function. Second, we
want to start adding alternative path within the merge code so we need this logic
easily accessible in multiple places.
Differential Revision: https://phab.mercurial-scm.org/D9424
# name space package to host third party extensions
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)