anchor.diff:  /// README file.
   class SyncData {
     final String name;
  -  final String docLink;
  -  final String repoLink;
  -  final String liveExampleLink;
  +  final String repoHref;
  +  final String liveExampleHref;
     final List<String> links;
   
     SyncData(
  -      {this.name,
  -      this.docLink,
  -      this.repoLink,
  -      this.liveExampleLink,
  -      this.links: const []});
  +      {this.name, this.repoHref, this.liveExampleHref, this.links: const []});
   
  -  factory SyncData.fromJson(String json) {
  +  factory SyncData.fromJson(String json, {String path}) {
       final data = JSON.decode(json);
       return new SyncData(
           name: data['name'],
  -        docLink: data['docLink'],
  -        repoLink: data['repoLink'],
  -        liveExampleLink: data['liveExampleLink'],
  +        repoHref: data['repoHref'] ?? '//github.com/angular/angular.io/' + path,
  +        liveExampleHref: data['liveExampleLink'],
           links: data['links']);
     }
   }
  
positive.code:             return '- $link';
            }).join('\n');
  
    final liveExampleSection = syncData.liveExampleLink == null
        ? 'To run your own copy:\n'
        : 'You can run a [hosted copy](${syncData.liveExampleLink}) of this'
        'sample. Or run your own copy:\n';
  
    final readmeContent = '''
  ${syncData.name}
  ---------------
  
  Welcome to the example application used in angular.io/dart's [${syncData.name}](${syncData.docLink}) page.
  
  $liveExampleSection
  - Clone this repo.
  - Download the dependencies.
      ```
      pub get
      ```
  - Launch a development server.
      ```
      pub serve
      ```
  - Open a browser to `http://localhost:8080`.
    In Dartium, you'll see the app right away. In other modern browsers, you'll have to wait a bit while pub converts the app.
  
  $linkSection
  ''';
  
negative.code:   final dataExists = await syncDataFile.exists();
  
    final syncData = dataExists
        ? new SyncData.fromJson(await syncDataFile.readAsStringSync(),
            path: angularIoPath)
        : new SyncData(
            name: angularIoPath,
            docLink: '//github.com/angular/angular.io/' + angularIoPath);
  