$ git clone -n https://src.fedoraproject.org/rpms/spacenavd.git /var/lib/mock/f45-build-36267-702/root/chroot_tmpdir/scmroot/spacenavd
Cloning into '/var/lib/mock/f45-build-36267-702/root/chroot_tmpdir/scmroot/spacenavd'...
$ git fetch origin 3f774835c3579ab7c47122456786c93bfdec8434:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spacenavd
 * [new ref]         3f774835c3579ab7c47122456786c93bfdec8434 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f77483 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild