$ git clone -n https://src.fedoraproject.org/rpms/checksec.git /var/lib/mock/f40-build-2692609-68231/root/chroot_tmpdir/scmroot/checksec
Cloning into '/var/lib/mock/f40-build-2692609-68231/root/chroot_tmpdir/scmroot/checksec'...
$ git fetch origin e2968a4fc2b0699d0a3bdce280c12fdce478cfc2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/checksec
 * [new ref]         e2968a4fc2b0699d0a3bdce280c12fdce478cfc2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2968a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild