$ git clone -n https://src.fedoraproject.org/rpms/knavalbattle.git /var/lib/mock/f41-build-side-1-2647434-27302/root/chroot_tmpdir/scmroot/knavalbattle
Cloning into '/var/lib/mock/f41-build-side-1-2647434-27302/root/chroot_tmpdir/scmroot/knavalbattle'...
$ git fetch origin 7b95eeaca160147f8ece419106cc6f7881ecf8a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/knavalbattle
 * [new ref]         7b95eeaca160147f8ece419106cc6f7881ecf8a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b95eea convert license to SPDX