// Copyright 2016 The Chromium Authors. 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 '../cache.dart'; import '../globals.dart'; import '../runner/flutter_command.dart'; import '../version.dart'; class PrecacheCommand extends FlutterCommand { PrecacheCommand({bool verboseHelp = false}) { argParser.addFlag('all-platforms', abbr: 'a', negatable: false, help: 'Precache artifacts for all host platforms.'); argParser.addFlag('force', abbr: 'f', negatable: false, help: 'Force downloading of artifacts.'); argParser.addFlag('android', negatable: true, defaultsTo: true, help: 'Precache artifacts for Android development.', hide: verboseHelp); argParser.addFlag('android_gen_snapshot', negatable: true, defaultsTo: true, help: 'Precache gen_snapshot for Android development.', hide: !verboseHelp); argParser.addFlag('android_maven', negatable: true, defaultsTo: true, help: 'Precache Gradle dependencies for Android development.', hide: !verboseHelp); argParser.addFlag('android_internal_build', negatable: true, defaultsTo: false, help: 'Precache dependencies for internal Android development.', hide: !verboseHelp); argParser.addFlag('ios', negatable: true, defaultsTo: true, help: 'Precache artifacts for iOS development.'); argParser.addFlag('web', negatable: true, defaultsTo: false, help: 'Precache artifacts for web development.'); argParser.addFlag('linux', negatable: true, defaultsTo: false, help: 'Precache artifacts for Linux desktop development.'); argParser.addFlag('windows', negatable: true, defaultsTo: false, help: 'Precache artifacts for Windows desktop development.'); argParser.addFlag('macos', negatable: true, defaultsTo: false, help: 'Precache artifacts for macOS desktop development.'); argParser.addFlag('fuchsia', negatable: true, defaultsTo: false, help: 'Precache artifacts for Fuchsia development.'); argParser.addFlag('universal', negatable: true, defaultsTo: true, help: 'Precache artifacts required for any development platform.'); argParser.addFlag('flutter_runner', negatable: true, defaultsTo: false, help: 'Precache the flutter runner artifacts.', hide: true); } @override final String name = 'precache'; @override final String description = 'Populates the Flutter tool\'s cache of binary artifacts.'; @override bool get shouldUpdateCache => false; @override Future<FlutterCommandResult> runCommand() async { if (argResults['all-platforms']) { cache.includeAllPlatforms = true; } final Set<DevelopmentArtifact> requiredArtifacts = <DevelopmentArtifact>{}; for (DevelopmentArtifact artifact in DevelopmentArtifact.values) { // Don't include unstable artifacts on stable branches. if (!FlutterVersion.instance.isMaster && artifact.unstable) { continue; } if (argResults[artifact.name]) { requiredArtifacts.add(artifact); } // The `android` flag expands to android_gen_snapshot, android_maven, android_internal_build. if (artifact.name.startsWith('android_') && argResults['android']) { requiredArtifacts.add(artifact); } } final bool forceUpdate = argResults['force']; if (forceUpdate || !cache.isUpToDate()) { await cache.updateAll(requiredArtifacts); } else { printStatus('Already up-to-date.'); } return null; } }