$ git clone -n https://gitee.com/src-opencloudos-rpms/lua-json.git /var/lib/mock/dist-oc9-build-42874-14591/root/chroot_tmpdir/scmroot/lua-json
Cloning into '/var/lib/mock/dist-oc9-build-42874-14591/root/chroot_tmpdir/scmroot/lua-json'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/lua-json
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fabd776 import lua-json-1.3.4-3.tl4