$ git clone -n https://gitee.com/ocs-upgrade/openmpi.git /var/lib/mock/dist-ocs23-build-218909-16719/root/chroot_tmpdir/scmroot/openmpi
Cloning into '/var/lib/mock/dist-ocs23-build-218909-16719/root/chroot_tmpdir/scmroot/openmpi'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/openmpi
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36cff10 Open MPI 5.0.0+ does not support the --enable-mpi-cxx option