anchor.diff:    Future runCommand(ArgResults options) async {
       log.withPrejudice = options['with-prejudice'];
   
  +    _checkDepsSynced();
  +
       if (options['version']) {
         log.message('Pub ${sdk.version}');
         return;
  
positive.code: import 'command/version.dart';
  import 'exceptions.dart';
  import 'exit_codes.dart' as exit_codes;
  import 'http.dart';
  import 'io.dart';
  import 'log.dart' as log;
  
negative.code: import 'package:args/args.dart';
  import 'package:args/command_runner.dart';
  import 'package:http/http.dart' as http;
  import 'package:path/path.dart' as p;
  
  import 'command/build.dart';
  import 'command/cache.dart';
  