$ git clone -n https://gitee.com/opencloudos-stream/libnbd.git /var/lib/mock/dist-ocs23-build-42667-2059/root/chroot_tmpdir/scmroot/libnbd
Cloning into '/var/lib/mock/dist-ocs23-build-42667-2059/root/chroot_tmpdir/scmroot/libnbd'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libnbd
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a5c9dc !2 Upgrade to version 1.17.3 Merge pull request !2 from gordonwwang/master