$ git clone -n https://gitee.com/src-opencloudos-rpms/opencloudos-release /var/lib/mock/dist-oc8-build-64316-16401/root/chroot_tmpdir/scmroot/opencloudos-release
Cloning into '/var/lib/mock/dist-oc8-build-64316-16401/root/chroot_tmpdir/scmroot/opencloudos-release'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/opencloudos-release
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d924a9e Add NFV