$ git clone -n https://src.fedoraproject.org/rpms/zps.git /var/lib/mock/f40-build-2648817-66811/root/chroot_tmpdir/scmroot/zps
Cloning into '/var/lib/mock/f40-build-2648817-66811/root/chroot_tmpdir/scmroot/zps'...
$ git fetch origin 9f48e683c7a4eead5bc5c3f9269b358514ffae4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zps
 * [new ref]         9f48e683c7a4eead5bc5c3f9269b358514ffae4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f48e68 Update to 2.0.0 (rhbz#2259402)