$ git clone -n https://src.fedoraproject.org/rpms/rtirq.git /var/lib/mock/f40-build-2259397-54370/root/chroot_tmpdir/scmroot/rtirq
Cloning into '/var/lib/mock/f40-build-2259397-54370/root/chroot_tmpdir/scmroot/rtirq'...
$ git fetch origin 98ca302324ae39908a023430f7cca8354f70ef28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rtirq
 * [new ref]         98ca302324ae39908a023430f7cca8354f70ef28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98ca302 Orphaned for 6+ weeks