#!/usr/bin/env bash

# Copyright 2023 Google LLC
#
# 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
#
#     https://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.

# Run this script with a number of Rust files as input. It will combine them to
# a single file which you can compile to check the validity of the inputs.
#
# For a Cargo based workflow, you can run
#
# ./generated_files_compile.sh generated/*.rs > generated_files.rs
#
# followed by cargo test.

for input_path in "$@"; do
    echo "mod $(basename -s .rs "$input_path") {"
    # The inner (module) attribute needs to be removed to produce a
    # valid file.
    grep -v '#!\[rustfmt::skip\]' "$input_path"
    echo "}"
done

cat <<EOF
#[test]
fn generated_files_compile() {
    // Empty test, we only want to see that things compile.
}
EOF