$ git clone -n https://src.fedoraproject.org/rpms/stockfish.git /var/lib/mock/f38-build-side-42-init-devel-696614-27002/root/chroot_tmpdir/scmroot/stockfish
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-696614-27002/root/chroot_tmpdir/scmroot/stockfish'...
$ git fetch origin d90b1a6f1303fb2650a5a1953d3ac34a113dff0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stockfish
 * [new ref]         d90b1a6f1303fb2650a5a1953d3ac34a113dff0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d90b1a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild