$ git clone -n https://src.fedoraproject.org/rpms/teeworlds.git /var/lib/mock/f41-build-side-1-2670555-29059/root/chroot_tmpdir/scmroot/teeworlds
Cloning into '/var/lib/mock/f41-build-side-1-2670555-29059/root/chroot_tmpdir/scmroot/teeworlds'...
$ git fetch origin 3019f34d9454fc19a5ed1c893a3c8da99253ad0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/teeworlds
 * [new ref]         3019f34d9454fc19a5ed1c893a3c8da99253ad0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3019f34 Migrate to SPDX license (temporary ids)