$ git clone -n https://src.fedoraproject.org/rpms/highfive.git /var/lib/mock/f39-build-2031946-47510/root/chroot_tmpdir/scmroot/highfive
Cloning into '/var/lib/mock/f39-build-2031946-47510/root/chroot_tmpdir/scmroot/highfive'...
$ git fetch origin a02d459c968c4631ea62141ea166b63f691adc08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/highfive
 * [new ref]         a02d459c968c4631ea62141ea166b63f691adc08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a02d459 Build docs as PDF instead of HTML