// Copyright 2015 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 'base/context.dart'; import 'base/io.dart'; import 'base/process.dart'; import 'base/process_manager.dart'; import 'cache.dart'; final Set<String> kKnownBranchNames = new Set<String>.from(<String>[ 'master', 'alpha', 'hackathon', 'codelab', 'beta' ]); class FlutterVersion { FlutterVersion._() { _channel = _runGit('git rev-parse --abbrev-ref --symbolic @{u}'); final int slash = _channel.indexOf('/'); if (slash != -1) { final String remote = _channel.substring(0, slash); _repositoryUrl = _runGit('git ls-remote --get-url $remote'); _channel = _channel.substring(slash + 1); } else if (_channel.isEmpty) { _channel = 'unknown'; } _frameworkRevision = _runGit('git log -n 1 --pretty=format:%H'); _frameworkAge = _runGit('git log -n 1 --pretty=format:%ar'); } String _repositoryUrl; String get repositoryUrl => _repositoryUrl; String _channel; /// `master`, `alpha`, `hackathon`, ... String get channel => _channel; String _frameworkRevision; String get frameworkRevision => _frameworkRevision; String get frameworkRevisionShort => _shortGitRevision(frameworkRevision); String _frameworkAge; String get frameworkAge => _frameworkAge; String get frameworkDate => frameworkCommitDate; String get dartSdkVersion => Cache.dartSdkVersion.split(' ')[0]; String get engineRevision => Cache.engineRevision; String get engineRevisionShort => _shortGitRevision(engineRevision); String _runGit(String command) => runSync(command.split(' '), workingDirectory: Cache.flutterRoot); @override String toString() { final String flutterText = 'Flutter • channel $channel • ${repositoryUrl == null ? 'unknown source' : repositoryUrl}'; final String frameworkText = 'Framework • revision $frameworkRevisionShort ($frameworkAge) • $frameworkCommitDate'; final String engineText = 'Engine • revision $engineRevisionShort'; final String toolsText = 'Tools • Dart $dartSdkVersion'; // Flutter • channel master • https://github.com/flutter/flutter.git // Framework • revision 2259c59be8 • 19 minutes ago • 2016-08-15 22:51:40 // Engine • revision fe509b0d96 // Tools • Dart 1.19.0-dev.5.0 return '$flutterText\n$frameworkText\n$engineText\n$toolsText'; } /// A date String describing the last framework commit. static String get frameworkCommitDate { return _runSync(<String>['git', 'log', '-n', '1', '--pretty=format:%ad', '--date=format:%Y-%m-%d %H:%M:%S'], Cache.flutterRoot); } static FlutterVersion get instance => context.putIfAbsent(FlutterVersion, () => new FlutterVersion._()); /// Return a short string for the version (`alpha/a76bc8e22b`). static String getVersionString({ bool whitelistBranchName: false }) { final String cwd = Cache.flutterRoot; String commit = _shortGitRevision(_runSync(<String>['git', 'rev-parse', 'HEAD'], cwd)); commit = commit.isEmpty ? 'unknown' : commit; String branch = _runSync(<String>['git', 'rev-parse', '--abbrev-ref', 'HEAD'], cwd); branch = branch == 'HEAD' ? 'master' : branch; if (whitelistBranchName || branch.isEmpty) { // Only return the branch names we know about; arbitrary branch names might contain PII. if (!kKnownBranchNames.contains(branch)) branch = 'dev'; } return '$branch/$commit'; } } String _runSync(List<String> command, String cwd) { final ProcessResult results = processManager.runSync(command, workingDirectory: cwd); return results.exitCode == 0 ? results.stdout.trim() : ''; } String _shortGitRevision(String revision) { if (revision == null) return ''; return revision.length > 10 ? revision.substring(0, 10) : revision; }