$ git clone -n https://gitee.com/opencloudos-stream/grpc.git /var/lib/mock/dist-ocs23-build-211656-15327/root/chroot_tmpdir/scmroot/grpc
Cloning into '/var/lib/mock/dist-ocs23-build-211656-15327/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 b5a84e4 !7 重新编译失败的官方构建 Merge pull request !7 from luochenglcs/master