$ git clone -n https://src.fedoraproject.org/rpms/kf6-prison.git /var/lib/mock/f40-build-2316052-57994/root/chroot_tmpdir/scmroot/kf6-prison
Cloning into '/var/lib/mock/f40-build-2316052-57994/root/chroot_tmpdir/scmroot/kf6-prison'...
$ git fetch origin a393bf17d6237ca36f973a11ec25d25f74a5e210:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-prison
 * [new ref]         a393bf17d6237ca36f973a11ec25d25f74a5e210 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a393bf1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild