$ git clone -n https://src.fedoraproject.org/rpms/ibutils.git /var/lib/mock/f40-build-2241248-53661/root/chroot_tmpdir/scmroot/ibutils
Cloning into '/var/lib/mock/f40-build-2241248-53661/root/chroot_tmpdir/scmroot/ibutils'...
$ git fetch origin d57065244f15dcfd40f5507743b1aed6dcda2b4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ibutils
 * [new ref]         d57065244f15dcfd40f5507743b1aed6dcda2b4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d570652 Orphaned for 6+ weeks