$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-nautytracesinterface.git /var/lib/mock/f41-build-801690-13688/root/chroot_tmpdir/scmroot/gap-pkg-nautytracesinterface
Cloning into '/var/lib/mock/f41-build-801690-13688/root/chroot_tmpdir/scmroot/gap-pkg-nautytracesinterface'...
$ git fetch origin db44114f9c76d14398a5dbb4c53b6eb4b210eab0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-nautytracesinterface
 * [new ref]         db44114f9c76d14398a5dbb4c53b6eb4b210eab0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db44114 Rebuild for gap 4.13.0