$ git clone -n https://src.fedoraproject.org/rpms/golang-vbom-util.git /var/lib/mock/f40-build-2209798-52168/root/chroot_tmpdir/scmroot/golang-vbom-util
Cloning into '/var/lib/mock/f40-build-2209798-52168/root/chroot_tmpdir/scmroot/golang-vbom-util'...
$ git fetch origin 9d81297380d0dceaace9fbf3a5d3581411a4dea8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-vbom-util
 * [new ref]         9d81297380d0dceaace9fbf3a5d3581411a4dea8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d81297 Orphaned for 6+ weeks