$ git clone -n https://src.fedoraproject.org/rpms/mqttcli.git /var/lib/mock/f40-build-2298641-56542/root/chroot_tmpdir/scmroot/mqttcli
Cloning into '/var/lib/mock/f40-build-2298641-56542/root/chroot_tmpdir/scmroot/mqttcli'...
$ git fetch origin 15e554e12c6c1eb478969c7bbbbc3801eae3bb5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mqttcli
 * [new ref]         15e554e12c6c1eb478969c7bbbbc3801eae3bb5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15e554e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild