$ git clone -n https://src.fedoraproject.org/rpms/python-cloudpickle.git /var/lib/mock/f40-build-2213540-52336/root/chroot_tmpdir/scmroot/python-cloudpickle
Cloning into '/var/lib/mock/f40-build-2213540-52336/root/chroot_tmpdir/scmroot/python-cloudpickle'...
$ git fetch origin c97e7654cd0f7f6c098379708ce16eae6e465d79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cloudpickle
 * [new ref]         c97e7654cd0f7f6c098379708ce16eae6e465d79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c97e765 Convert to %autorelease and %autochangelog