$ git clone -n https://src.fedoraproject.org/rpms/highfive.git /var/lib/mock/f41-build-815616-149632/root/chroot_tmpdir/scmroot/highfive
Cloning into '/var/lib/mock/f41-build-815616-149632/root/chroot_tmpdir/scmroot/highfive'...
$ git fetch origin dc330898df160a792cf8ee1caccc0d916b52708e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/highfive
 * [new ref]         dc330898df160a792cf8ee1caccc0d916b52708e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc33089 Add Packit config