$ git clone -n https://src.fedoraproject.org/rpms/ignition-math.git /var/lib/mock/f40-build-794900-139802/root/chroot_tmpdir/scmroot/ignition-math
Cloning into '/var/lib/mock/f40-build-794900-139802/root/chroot_tmpdir/scmroot/ignition-math'...
$ git fetch origin ef5a4ba84e43b4e9dba60d407e1f446ac7549332:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ignition-math
 * [new ref]         ef5a4ba84e43b4e9dba60d407e1f446ac7549332 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef5a4ba Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild