$ git clone -n https://gitee.com/opencloudos-stream/grpc.git /var/lib/mock/dist-ocs23-build-50991-2171/root/chroot_tmpdir/scmroot/grpc
Cloning into '/var/lib/mock/dist-ocs23-build-50991-2171/root/chroot_tmpdir/scmroot/grpc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/grpc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at becb349 !1 build requires Cython0 instead of Cython3 Merge pull request !1 from cunshunxia/master