anchor.diff:      addProjects();
       argParser.addFlag('executeSerially',
           help:
  -        'Instead of running the commands concurrently on the projects, run only one command on one project at a time',
  +            'Instead of running the commands concurrently on the projects, run only one command on one project at a time',
           abbr: 's',
           defaultsTo: false);
     }
  
positive.code: 
  main(List<String> arguments) {
    final runner =
    CommandRunner('jefe', 'Manages a set of related Dart projects');
    runner..addCommand(Install())..addCommand(Init())..addCommand(
        Jefetise())..addCommand(Start())..addCommand(Finish())..addCommand(
        Exec())..addCommand(SetDependencies())..addCommand(Test());
  
    Chain.capture(() {
      runner.run(arguments);
  
negative.code:   Future install(String gitUri, {String installDirectory: '.'}) async {
      final Directory installDir = new Directory(installDirectory);
      final ProjectGroup projectGroup =
          await ProjectGroup.install(installDir, gitUri);
  
      await (await projectGroup.rootJefeProjects).lifecycle.init();
    }
  