// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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

#include <iostream>
#include <string>

#include <stout/os.hpp>

// This helper program takes an expected user.
// Returns 0 if the current username equals the expected username.
// Returns 1 otherwise.
int main(int argc, char **argv) {
  if (argc < 2) {
    std::cerr << "Usage: " << argv[0] << " <expected username>" << std::endl;
    return 1;
  }

  const std::string expected(argv[1]);

  Result<std::string> user = os::user();
  if (user.isSome() && user.get() == expected) {
      return 0;
  }

  return 1;
}