$ git clone -n https://src.fedoraproject.org/rpms/octave-metch.git /var/lib/mock/f40-build-2281718-55493/root/chroot_tmpdir/scmroot/octave-metch
Cloning into '/var/lib/mock/f40-build-2281718-55493/root/chroot_tmpdir/scmroot/octave-metch'...
$ git fetch origin 73f72c6af5853db16e7298f734a3dcae7950fe93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-metch
 * [new ref]         73f72c6af5853db16e7298f734a3dcae7950fe93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73f72c6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild