$ git clone -n https://src.fedoraproject.org/rpms/frr.git /var/lib/mock/f40-build-2292291-56121/root/chroot_tmpdir/scmroot/frr
Cloning into '/var/lib/mock/f40-build-2292291-56121/root/chroot_tmpdir/scmroot/frr'...
$ git fetch origin 9bf8cfe43045932e01f877c9437ff53d54e25504:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/frr
 * [new ref]         9bf8cfe43045932e01f877c9437ff53d54e25504 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9bf8cfe Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild