$ git clone -n https://src.fedoraproject.org/rpms/neuron.git /var/lib/mock/f42-build-3460607-45515/root/chroot_tmpdir/scmroot/neuron
Cloning into '/var/lib/mock/f42-build-3460607-45515/root/chroot_tmpdir/scmroot/neuron'...
$ git fetch origin 7ce39e8b7ac24796d7e39a85bdad7797bb1bea1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/neuron
 * [new ref]         7ce39e8b7ac24796d7e39a85bdad7797bb1bea1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ce39e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild