$ git clone -n https://gitee.com/opencloudos-stream/mtx.git /var/lib/mock/dist-ocs23-build-43069-2059/root/chroot_tmpdir/scmroot/mtx
Cloning into '/var/lib/mock/dist-ocs23-build-43069-2059/root/chroot_tmpdir/scmroot/mtx'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mtx
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa044f8 update