$ git clone -n https://src.fedoraproject.org/rpms/hardinfo2.git /var/lib/mock/f41-build-side-1-3050140-37963/root/chroot_tmpdir/scmroot/hardinfo2
Cloning into '/var/lib/mock/f41-build-side-1-3050140-37963/root/chroot_tmpdir/scmroot/hardinfo2'...
$ git fetch origin 73bd9ce7ad142925c9d68e8df8dad35b7dc6dac6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hardinfo2
 * [new ref]         73bd9ce7ad142925c9d68e8df8dad35b7dc6dac6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73bd9ce 2.2.1