$ git clone -n https://src.fedoraproject.org/rpms/tilibs.git /var/lib/mock/f40-build-789903-136126/root/chroot_tmpdir/scmroot/tilibs
Cloning into '/var/lib/mock/f40-build-789903-136126/root/chroot_tmpdir/scmroot/tilibs'...
$ git fetch origin 04db59f36b82a3e20b1a24ed1bb8a5e94bde5a9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tilibs
 * [new ref]         04db59f36b82a3e20b1a24ed1bb8a5e94bde5a9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04db59f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild