Files
sdk/utils/pub/command_help.dart
T
rnystrom@google.com 12b11b4cc0 Convert /** comments to /// in pub.
Previously, it was a mix of both styles. Now it's consistent. :)

Review URL: https://codereview.chromium.org//11638010

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@16354 260f80e4-7a28-3924-810f-c04153c831b5
2012-12-20 02:04:28 +00:00

35 lines
1004 B
Dart

// 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 'dart:io' as io;
import 'exit_codes.dart' as exit_codes;
import 'io.dart';
import 'log.dart' as log;
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 {
var name = commandOptions.rest[0];
var command = pubCommands[name];
if (command == null) {
log.error('Could not find a command named "$name".');
log.error('Run "pub help" to see available commands.');
io.exit(exit_codes.USAGE);
}
command.printUsage();
}
}
}