$ git clone -n https://src.fedoraproject.org/rpms/mathicgb.git /var/lib/mock/f40-build-2297058-56436/root/chroot_tmpdir/scmroot/mathicgb
Cloning into '/var/lib/mock/f40-build-2297058-56436/root/chroot_tmpdir/scmroot/mathicgb'...
$ git fetch origin 4fd4095b5e7bfb91b527c8bc770edfcf32ac4325:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mathicgb
 * [new ref]         4fd4095b5e7bfb91b527c8bc770edfcf32ac4325 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fd4095 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild