anchor.diff:    name = name.length == 0 ? 'untitled' : name;
     return 'com.yourcompany.$name';
   }
  +
  +final Set<String> _packageDependencies = new Set<String>.from(<String>[
  +  'args',
  +  'async',
  +  'collection',
  +  'convert',
  +  'flutter',
  +  'html',
  +  'intl',
  +  'logging',
  +  'matcher',
  +  'mime',
  +  'path',
  +  'plugin',
  +  'pool',
  +  'test',
  +  'utf',
  +  'watcher',
  +  'yaml'
  +]);
  +
  +/// Return `null` if the project name is legal. Return a validation message if
  +/// we should disallow the project name.
  +String _validateProjectName(String projectName) {
  +  if (_packageDependencies.contains(projectName)) {
  +    return "Invalid project name: '$projectName' - this will conflict with Flutter "
  +    "package dependencies.";
  +  }
  +
  +  return null;
  +}
  
positive.code:     return 0;
    }
  
    void _renderTemplates(Directory projectDir, String flutterPackagesDirectory,
        { bool renderDriverTest: false }) {
      String dirPath = path.normalize(projectDir.absolute.path);
      String projectName = _normalizeProjectName(path.basename(dirPath));
      String projectIdentifier = _createProjectIdentifier(path.basename(dirPath));
      String relativeFlutterPackagesDirectory = path.relative(flutterPackagesDirectory, from: dirPath);
  
      printStatus('Creating project ${path.basename(projectName)}:');
  
      projectDir.createSync(recursive: true);
  
      Map templateContext = <String, dynamic>{
        'projectName': projectName,
  
negative.code:       projectDir = new Directory(argResults.rest.first);
      }
  
      String dirPath = path.normalize(projectDir.absolute.path);
      String projectName = _normalizeProjectName(path.basename(dirPath));
  
      if (_validateProjectName(projectName) != null) {
        printError(_validateProjectName(projectName));
        return 1;
      }
  
      _renderTemplates(projectName, dirPath, flutterPackagesDirectory,
          renderDriverTest: argResults['with-driver-test']);
  
      if (argResults['pub']) {
  