anchor.diff:          ''' + cs_install_section, "-"))
       .catchError((e) {
           print("DartContentShellEdge: ${e} ${e.stackTrace}");     // Finally, callback fires.
  +        exitCode = 2;
           return -1;
         })
       .then((_) => writeCask(outputDirectory, "DartContentShellStable", "dart-content-shell-stable.rb", client, stable_root_url, "dartium/content_shell-macos-ia32-release.zip",  '''
  
positive.code:         ''' + cs_install_section, "-"))
      .catchError((e) {
          print("DartContentShellDev: ${e} ${e.stackTrace}");     // Finally, callback fires.
          return -1;
        })
      .then((_) => writeCaskWithCs(outputDirectory, "DartContentShellEdge", "dart-content-shell-edge.rb", client, raw_root_url, "dartium/content_shell-macos-ia32-release.zip",  '''
  
negative.code: ''' + dart_install_section, "[Changes](http://storage.googleapis.com/dart-archive/channels/dev/release/latest/changelog.html)")
      .catchError((e) {
          print("DartEditorDev: ${e} ${e.stackTrace}");     // Finally, callback fires.
          exitCode = 2;
          return -1;
        })
      .then((_) => writeCask(outputDirectory, "DartEditorEdge", "dart-editor-edge.rb", client, raw_root_url, "editor/darteditor-macos-x64.zip",  '''
  