| // 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 pub.command.upgrade; |
| |
| import 'dart:async'; |
| |
| import '../command.dart'; |
| import '../log.dart' as log; |
| |
| /// Handles the `upgrade` pub command. |
| class UpgradeCommand extends PubCommand { |
| String get description => |
| "Upgrade the current package's dependencies to latest versions."; |
| String get usage => "pub upgrade [dependencies...]"; |
| String get docUrl => "http://dartlang.org/tools/pub/cmd/pub-upgrade.html"; |
| List<String> get aliases => const ["update"]; |
| bool get takesArguments => true; |
| |
| bool get isOffline => commandOptions['offline']; |
| |
| UpgradeCommand() { |
| commandParser.addFlag('offline', |
| help: 'Use cached packages instead of accessing the network.'); |
| |
| commandParser.addFlag('dry-run', abbr: 'n', negatable: false, |
| help: "Report what dependencies would change but don't change any."); |
| } |
| |
| Future onRun() { |
| var dryRun = commandOptions['dry-run']; |
| return entrypoint.acquireDependencies(useLatest: commandOptions.rest, |
| isUpgrade: true, dryRun: dryRun).then((_) { |
| if (isOffline) { |
| log.warning("Warning: Upgrading when offline may not update you to the " |
| "latest versions of your dependencies."); |
| } |
| }); |
| } |
| } |