| // Copyright (c) 2014, 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. |
| |
| import 'dart:async'; |
| |
| import '../command.dart'; |
| import '../io.dart'; |
| import '../log.dart' as log; |
| import '../source/hosted.dart'; |
| import '../utils.dart'; |
| |
| /// Handles the `cache preload` pub command. |
| class CachePreloadCommand extends PubCommand { |
| @override |
| String get name => 'preload'; |
| @override |
| String get description => 'Install packages from a .tar.gz archive.'; |
| @override |
| String get argumentsDescription => '<package1.tar.gz> ...'; |
| @override |
| String get docUrl => 'https://dart.dev/tools/pub/cmd/pub-cache'; |
| |
| /// The `cache preload` command is hidden by default, because it's really only intended for |
| /// `flutter` to use when pre-loading `PUB_CACHE` after being installed from `zip` archive. |
| @override |
| bool get hidden => true; |
| |
| @override |
| Future<void> runProtected() async { |
| // Make sure there is a package. |
| if (argResults.rest.isEmpty) { |
| usageException('No package to preload given.'); |
| } |
| |
| for (String packagePath in argResults.rest) { |
| if (!fileExists(packagePath)) { |
| fail('Could not find file $packagePath.'); |
| } |
| } |
| for (String archivePath in argResults.rest) { |
| final id = await cache.hosted.preloadPackage(archivePath, cache); |
| final url = (id.description.description as HostedDescription).url; |
| |
| final fromPart = HostedSource.isFromPubDev(id) ? '' : ' from $url'; |
| log.message('Installed $archivePath in cache as $id$fromPart.'); |
| } |
| } |
| } |