run method

Implementation

@override
Future<int> run() async {
  final directory = context.targetDirectory;
  if (!File(p.join(directory, 'pubspec.yaml')).existsSync()) {
    throw DpkException(
      'No pubspec.yaml in ${displayPath(directory)}. Run dpk init in a '
      'Dart package or workspace root.',
    );
  }

  final workspace = Workspace.discover(directory);
  if (workspace != null && workspace.current != workspace.root) {
    throw DpkException(
      '${displayPath(directory)} is a workspace package. Run dpk init at '
      'the workspace root, ${displayPath(workspace.root.path)}. A workspace '
      "package's own dpk.yaml may only add scripts.",
    );
  }

  final constraintText = argResults!.option('version-constraint')!;
  try {
    VersionConstraint.parse(constraintText);
  } on FormatException {
    throw DpkException(
      '"$constraintText" is not a version constraint. Use one like ^1.0.0.',
    );
  }

  final configFile = File(p.join(directory, kConfigFileName));
  if (configFile.existsSync() && !argResults!.flag('force')) {
    throw DpkException(
      '${displayPath(configFile.path)} already exists. Run with --force to '
      'overwrite it.',
    );
  }

  final projectMode = argResults!.option('mode') == 'project';
  configFile.writeAsStringSync(
    [
      '# yaml-language-server: \$schema=$schemaUrl',
      'version: $constraintText',
      if (projectMode) ...['', 'mode: project'],
      '',
      'scripts:',
      '  analyze:',
      '    command: dart analyze',
      '    description: Analyze the code.',
      '  test:',
      '    command: dart test',
      '    description: Run the tests.',
      '',
    ].join('\n'),
  );
  console.info('Created ${displayPath(configFile.path)}');

  if (projectMode) {
    _ignoreProjectCache(directory);
  }

  console.info(
    '\nNext steps:\n'
    '  dpk get       Get dependencies.\n'
    '  dpk run       List the scripts.\n'
    '  dpk run test  Run a script.',
  );
  return 0;
}