$ git clone -n https://src.fedoraproject.org/rpms/sugar-story.git /var/lib/mock/f41-build-side-1-2771366-32225/root/chroot_tmpdir/scmroot/sugar-story
Cloning into '/var/lib/mock/f41-build-side-1-2771366-32225/root/chroot_tmpdir/scmroot/sugar-story'...
$ git fetch origin dcafccb5e2225614bec34af6db0c552dcb876bad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sugar-story
 * [new ref]         dcafccb5e2225614bec34af6db0c552dcb876bad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcafccb Orphaned for 6+ weeks