$ git clone -n https://gitee.com/src-opencloudos-rpms/lua.git /var/lib/mock/dist-oc9-la64-build-126073-75676/root/chroot_tmpdir/scmroot/lua
Cloning into '/var/lib/mock/dist-oc9-la64-build-126073-75676/root/chroot_tmpdir/scmroot/lua'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/lua
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f864bf import lua-5.4.6-4.tl4