$ git clone -n https://src.fedoraproject.org/rpms/oc-inject.git /var/lib/mock/f41-build-side-1-2812539-32941/root/chroot_tmpdir/scmroot/oc-inject
Cloning into '/var/lib/mock/f41-build-side-1-2812539-32941/root/chroot_tmpdir/scmroot/oc-inject'...
$ git fetch origin f644558d994d25ca2692fcc1b63d856ae2242f98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/oc-inject
 * [new ref]         f644558d994d25ca2692fcc1b63d856ae2242f98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f644558 Orphaned for 6+ weeks