anchor.diff:  
     await for (var yamlFile in configGlob.list(root: dir.absolute.path)) {
       if (yamlFile is File) {
  -      print('Replacing occurrences of "$oldName" with "$newName" in file "${yamlFile.absolute.path}"...');
  +      print(
  +          'Replacing occurrences of "$oldName" with "$newName" in file "${yamlFile.absolute.path}"...');
         var contents = await yamlFile.readAsString();
         contents = contents.replaceAll(oldName, newName);
         await yamlFile.writeAsString(contents);
  
positive.code:       if (!await pubspecFile.exists()) {
          throw new Exception('No pubspec.yaml found in current directory.');
        } else {
          var pubspec = await Pubspec.load(Directory.current);
          var oldName = pubspec.name;
          await renamePubspec(Directory.current, oldName, newName);
          await renameDartFiles(Directory.current, oldName, newName);
  
negative.code: import 'dart:io';
  import 'package:analyzer/analyzer.dart';
  import 'package:args/command_runner.dart';
  import 'package:dart_style/dart_style.dart';
  import 'package:glob/glob.dart';
  import 'package:io/ansi.dart';
  import 'package:prompts/prompts.dart' as prompts;
  import 'package:pubspec_parse/pubspec_parse.dart';
  import '../util.dart';
  import 'pub.dart';
  
  class RenameCommand extends Command {
  