$ git clone -n https://src.fedoraproject.org/rpms/mbox-importer.git /var/lib/mock/f40-build-2335257-59363/root/chroot_tmpdir/scmroot/mbox-importer
Cloning into '/var/lib/mock/f40-build-2335257-59363/root/chroot_tmpdir/scmroot/mbox-importer'...
$ git fetch origin 5089a65a170b6ec8b318c2929eec2b74f8f7fb64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mbox-importer
 * [new ref]         5089a65a170b6ec8b318c2929eec2b74f8f7fb64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5089a65 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild