$ git clone -n https://src.fedoraproject.org/rpms/hawtjni.git /var/lib/mock/f41-build-2629681-25588/root/chroot_tmpdir/scmroot/hawtjni
Cloning into '/var/lib/mock/f41-build-2629681-25588/root/chroot_tmpdir/scmroot/hawtjni'...
$ git fetch origin 6569715b6a2128f7d4194a4e966586bf871435f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hawtjni
 * [new ref]         6569715b6a2128f7d4194a4e966586bf871435f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6569715 convert license to SPDX