$ git clone -n https://gitee.com/opencloudos-stream/xcb-proto.git /var/lib/mock/dist-ocs23-build-45038-2059/root/chroot_tmpdir/scmroot/xcb-proto
Cloning into '/var/lib/mock/dist-ocs23-build-45038-2059/root/chroot_tmpdir/scmroot/xcb-proto'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/xcb-proto
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 69a76c4 update