$ git clone -n https://gitee.com/src-opencloudos-rpms/booth.git /var/lib/mock/dist-oc9-la64-build-132350-78829/root/chroot_tmpdir/scmroot/booth
Cloning into '/var/lib/mock/dist-oc9-la64-build-132350-78829/root/chroot_tmpdir/scmroot/booth'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/booth
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b169e8 import booth-1.1-4git9d4029a.tl4