$ git clone -n https://gitee.com/opencloudos-stream/libnbd.git /var/lib/mock/dist-ocs23-build-22472-1072/root/chroot_tmpdir/scmroot/libnbd
Cloning into '/var/lib/mock/dist-ocs23-build-22472-1072/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 33de877 !1 Rebuilt for ocaml-findlib 1.9.6 Merge pull request !1 from cunshunxia/master