$ git clone -n https://src.fedoraproject.org/rpms/efifs.git /var/lib/mock/f38-build-side-42-init-devel-1104396-30073/root/chroot_tmpdir/scmroot/efifs
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1104396-30073/root/chroot_tmpdir/scmroot/efifs'...
$ git fetch origin a9be6dfef5df5afd7ee39d0254f57996daffd442:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/efifs
 * [new ref]         a9be6dfef5df5afd7ee39d0254f57996daffd442 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9be6df Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild