$ git clone -n https://gitee.com/src-opencloudos-rpms/compat-lua.git /var/lib/mock/dist-oc9-build-40838-14591/root/chroot_tmpdir/scmroot/compat-lua
Cloning into '/var/lib/mock/dist-oc9-build-40838-14591/root/chroot_tmpdir/scmroot/compat-lua'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/compat-lua
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91fab4e import compat-lua-5.1.5-3.tl4