#!/bin/bash
#
# Copyright 2024, gRPC Authors All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -eu

here="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
upstream="$here/upstream"

# Create a temporary directory for the repo checkouts.
checkouts="$(mktemp -d)"

# Clone the grpc and google protos into the staging area.
git clone --depth 1 https://github.com/grpc/grpc-proto "$checkouts/grpc-proto"
git clone --depth 1 https://github.com/googleapis/googleapis.git "$checkouts/googleapis"

# Remove the old protos.
rm -rf "$upstream"

# Create new directories to poulate. These are based on proto package name
# rather than source repository name.
mkdir -p "$upstream/grpc"
mkdir -p "$upstream/google"

# Copy over the grpc-proto protos.
cp -rp "$checkouts/grpc-proto/grpc/service_config" "$upstream/grpc/service_config"
cp -rp "$checkouts/grpc-proto/grpc/lookup" "$upstream/grpc/lookup"
cp -rp "$checkouts/grpc-proto/grpc/reflection" "$upstream/grpc/reflection"
cp -rp "$checkouts/grpc-proto/grpc/examples" "$upstream/grpc/examples"

# Copy over the googleapis protos.
mkdir -p "$upstream/google/rpc"
cp -rp "$checkouts/googleapis/google/rpc/code.proto" "$upstream/google/rpc/code.proto"