$ git clone -n https://src.fedoraproject.org/rpms/cluttermm.git /var/lib/mock/f41-build-side-1-2633176-25899/root/chroot_tmpdir/scmroot/cluttermm
Cloning into '/var/lib/mock/f41-build-side-1-2633176-25899/root/chroot_tmpdir/scmroot/cluttermm'...
$ git fetch origin 6ae4c3d4ae081e58a454d53ee02ba6452ac66d27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cluttermm
 * [new ref]         6ae4c3d4ae081e58a454d53ee02ba6452ac66d27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ae4c3d convert license to SPDX