$ git clone -n https://src.fedoraproject.org/rpms/xgridloc.git /var/lib/mock/f41-build-side-1-2671338-29139/root/chroot_tmpdir/scmroot/xgridloc
Cloning into '/var/lib/mock/f41-build-side-1-2671338-29139/root/chroot_tmpdir/scmroot/xgridloc'...
$ git fetch origin 7cb30fb42de7e178c5627d64b3e27764e716ef57:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xgridloc
 * [new ref]         7cb30fb42de7e178c5627d64b3e27764e716ef57 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7cb30fb convert GPLv3 license to SPDX