host/commands/assemble_cvd/assemble_cvd.cc

//
// Copyright (C) 2019 The Android Open Source Project
//
// 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.

#include <iostream>

#include <glog/logging.h>

#include "host/commands/assemble_cvd/assembler_defs.h"
#include "host/commands/assemble_cvd/flags.h"

int main(int argc, char** argv) {
  ::android::base::InitLogging(argv, android::base::StderrLogger);

  if (isatty(0)) {
    LOG(FATAL) << "stdin was a tty, expected to be passed the output of a previous stage. "
               << "Did you mean to run launch_cvd?";
    return cvd::AssemblerExitCodes::kInvalidHostConfiguration;
  } else {
    int error_num = errno;
    if (error_num == EBADF) {
      LOG(FATAL) << "stdin was not a valid file descriptor, expected to be passed the output "
                 << "of assemble_cvd. Did you mean to run launch_cvd?";
      return cvd::AssemblerExitCodes::kInvalidHostConfiguration;
    }
  }

  auto config = InitFilesystemAndCreateConfig(&argc, &argv);

  std::cout << GetConfigFilePath(*config) << "\n";
  std::cout << std::flush;

  return cvd::AssemblerExitCodes::kSuccess;
}