$ git clone -n https://src.fedoraproject.org/rpms/cjdns.git /var/lib/mock/f40-build-801196-143735/root/chroot_tmpdir/scmroot/cjdns
Cloning into '/var/lib/mock/f40-build-801196-143735/root/chroot_tmpdir/scmroot/cjdns'...
$ git fetch origin 8a2b2076f126c54c5ebc559056d189b5fb2b1ffa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cjdns
 * [new ref]         8a2b2076f126c54c5ebc559056d189b5fb2b1ffa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a2b207 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild