$ git clone -n https://gitee.com/src-opencloudos-rpms/openmpi /var/lib/mock/dist-oc8-build-58053-15875/root/chroot_tmpdir/scmroot/openmpi
Cloning into '/var/lib/mock/dist-oc8-build-58053-15875/root/chroot_tmpdir/scmroot/openmpi'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/openmpi
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 812daaa import openmpi-4.1.1-5.tl3