| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library command_help; |
| |
| import 'pub.dart'; |
| |
| /** Handles the `help` pub command. */ |
| class HelpCommand extends PubCommand { |
| String get description => "display help information for Pub"; |
| String get usage => 'pub help [command]'; |
| bool get requiresEntrypoint => false; |
| |
| Future onRun() { |
| if (commandOptions.rest.isEmpty) { |
| printUsage(); |
| } else { |
| pubCommands[commandOptions.rest[0]].printUsage(); |
| } |
| } |
| } |