$ git clone -n https://src.fedoraproject.org/rpms/nudoku.git /var/lib/mock/f40-build-2220589-52666/root/chroot_tmpdir/scmroot/nudoku
Cloning into '/var/lib/mock/f40-build-2220589-52666/root/chroot_tmpdir/scmroot/nudoku'...
$ git fetch origin c17b6fe43cfae30b83fe41b95e7c0c90b79c5880:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nudoku
 * [new ref]         c17b6fe43cfae30b83fe41b95e7c0c90b79c5880 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c17b6fe Convert license to SPDX