$ git clone -n https://src.fedoraproject.org/rpms/octave-image.git /var/lib/mock/f40-build-740146-109546/root/chroot_tmpdir/scmroot/octave-image
Cloning into '/var/lib/mock/f40-build-740146-109546/root/chroot_tmpdir/scmroot/octave-image'...
$ git fetch origin 56d52f0da4ff17cfff707e84aaab6ae25a4960a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-image
 * [new ref]         56d52f0da4ff17cfff707e84aaab6ae25a4960a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56d52f0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild