$ git clone -n https://src.fedoraproject.org/rpms/vdr-live.git /var/lib/mock/f41-build-side-1-2778954-32451/root/chroot_tmpdir/scmroot/vdr-live
Cloning into '/var/lib/mock/f41-build-side-1-2778954-32451/root/chroot_tmpdir/scmroot/vdr-live'...
$ git fetch origin 8f674674f9485f27f774ea4d76ae5df4427f0db8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-live
 * [new ref]         8f674674f9485f27f774ea4d76ae5df4427f0db8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f67467 convert license to SPDX