$ git clone -n https://gitee.com/opencloudos-stream/exempi.git /var/lib/mock/dist-ocs23-build-42011-2059/root/chroot_tmpdir/scmroot/exempi
Cloning into '/var/lib/mock/dist-ocs23-build-42011-2059/root/chroot_tmpdir/scmroot/exempi'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/exempi
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3033c6 !2 update to 2.6.4 Merge pull request !2 from abushwang/master