mirror of
https://github.com/flutter/flutter.git
synced 2025-06-03 00:51:18 +00:00
3dec6a6930
All temporary directory start with `flutter_` and have their random component separated from the name by a period, as in `flutter_test_bundle.YFYQMY`. I've tried to find some of the places where we didn't cleanly delete temporary directories, too. This greatly reduces, though it does not entirely eliminate, the directories we leave behind when running tests, especially `flutter_tools` tests. While I was at it I standardized on `tempDir` as the variable name for temporary directories, since it was the most common, removing occurrences of `temp` and `tmp`, among others. Also I factored out some common code that used to catch exceptions that happen on Windows, and made more places use that pattern.
695 lines
23 KiB
Dart
695 lines
23 KiB
Dart
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'dart:convert';
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import 'dart:io' hide Platform;
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import 'dart:typed_data';
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import 'package:args/args.dart';
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import 'package:http/http.dart' as http;
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import 'package:path/path.dart' as path;
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import 'package:process/process.dart';
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import 'package:platform/platform.dart' show Platform, LocalPlatform;
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const String chromiumRepo = 'https://chromium.googlesource.com/external/github.com/flutter/flutter';
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const String githubRepo = 'https://github.com/flutter/flutter.git';
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const String mingitForWindowsUrl = 'https://storage.googleapis.com/flutter_infra/mingit/'
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'603511c649b00bbef0a6122a827ac419b656bc19/mingit.zip';
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const String gsBase = 'gs://flutter_infra';
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const String releaseFolder = '/releases';
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const String gsReleaseFolder = '$gsBase$releaseFolder';
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const String baseUrl = 'https://storage.googleapis.com/flutter_infra';
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/// Exception class for when a process fails to run, so we can catch
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/// it and provide something more readable than a stack trace.
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class ProcessRunnerException implements Exception {
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ProcessRunnerException(this.message, [this.result]);
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final String message;
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final ProcessResult result;
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int get exitCode => result?.exitCode ?? -1;
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@override
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String toString() {
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String output = runtimeType.toString();
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if (message != null) {
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output += ': $message';
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}
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final String stderr = result?.stderr ?? '';
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if (stderr.isNotEmpty) {
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output += ':\n$stderr';
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}
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return output;
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}
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}
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enum Branch { dev, beta, release }
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String getBranchName(Branch branch) {
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switch (branch) {
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case Branch.beta:
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return 'beta';
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case Branch.dev:
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return 'dev';
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case Branch.release:
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return 'release';
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}
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return null;
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}
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Branch fromBranchName(String name) {
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switch (name) {
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case 'beta':
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return Branch.beta;
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case 'dev':
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return Branch.dev;
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case 'release':
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return Branch.release;
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default:
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throw new ArgumentError('Invalid branch name.');
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}
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}
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/// A helper class for classes that want to run a process, optionally have the
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/// stderr and stdout reported as the process runs, and capture the stdout
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/// properly without dropping any.
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class ProcessRunner {
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ProcessRunner({
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ProcessManager processManager,
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this.subprocessOutput = true,
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this.defaultWorkingDirectory,
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this.platform = const LocalPlatform(),
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}) : processManager = processManager ?? const LocalProcessManager() {
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environment = new Map<String, String>.from(platform.environment);
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}
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/// The platform to use for a starting environment.
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final Platform platform;
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/// Set [subprocessOutput] to show output as processes run. Stdout from the
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/// process will be printed to stdout, and stderr printed to stderr.
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final bool subprocessOutput;
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/// Set the [processManager] in order to inject a test instance to perform
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/// testing.
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final ProcessManager processManager;
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/// Sets the default directory used when `workingDirectory` is not specified
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/// to [runProcess].
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final Directory defaultWorkingDirectory;
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/// The environment to run processes with.
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Map<String, String> environment;
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/// Run the command and arguments in `commandLine` as a sub-process from
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/// `workingDirectory` if set, or the [defaultWorkingDirectory] if not. Uses
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/// [Directory.current] if [defaultWorkingDirectory] is not set.
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///
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/// Set `failOk` if [runProcess] should not throw an exception when the
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/// command completes with a a non-zero exit code.
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Future<String> runProcess(
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List<String> commandLine, {
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Directory workingDirectory,
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bool failOk = false,
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}) async {
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workingDirectory ??= defaultWorkingDirectory ?? Directory.current;
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if (subprocessOutput) {
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stderr.write('Running "${commandLine.join(' ')}" in ${workingDirectory.path}.\n');
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}
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final List<int> output = <int>[];
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final Completer<Null> stdoutComplete = new Completer<Null>();
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final Completer<Null> stderrComplete = new Completer<Null>();
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Process process;
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Future<int> allComplete() async {
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await stderrComplete.future;
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await stdoutComplete.future;
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return process.exitCode;
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}
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try {
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process = await processManager.start(
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commandLine,
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workingDirectory: workingDirectory.absolute.path,
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environment: environment,
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);
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process.stdout.listen(
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(List<int> event) {
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output.addAll(event);
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if (subprocessOutput) {
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stdout.add(event);
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}
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},
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onDone: () async => stdoutComplete.complete(),
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);
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if (subprocessOutput) {
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process.stderr.listen(
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(List<int> event) {
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stderr.add(event);
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},
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onDone: () async => stderrComplete.complete(),
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);
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} else {
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stderrComplete.complete();
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}
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} on ProcessException catch (e) {
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final String message = 'Running "${commandLine.join(' ')}" in ${workingDirectory.path} '
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'failed with:\n${e.toString()}';
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throw new ProcessRunnerException(message);
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} on ArgumentError catch (e) {
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final String message = 'Running "${commandLine.join(' ')}" in ${workingDirectory.path} '
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'failed with:\n${e.toString()}';
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throw new ProcessRunnerException(message);
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}
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final int exitCode = await allComplete();
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if (exitCode != 0 && !failOk) {
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final String message = 'Running "${commandLine.join(' ')}" in ${workingDirectory.path} failed';
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throw new ProcessRunnerException(
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message,
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new ProcessResult(0, exitCode, null, 'returned $exitCode'),
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);
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}
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return utf8.decoder.convert(output).trim();
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}
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}
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typedef Future<Uint8List> HttpReader(Uri url, {Map<String, String> headers});
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/// Creates a pre-populated Flutter archive from a git repo.
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class ArchiveCreator {
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/// [tempDir] is the directory to use for creating the archive. The script
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/// will place several GiB of data there, so it should have available space.
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///
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/// The processManager argument is used to inject a mock of [ProcessManager] for
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/// testing purposes.
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///
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/// If subprocessOutput is true, then output from processes invoked during
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/// archive creation is echoed to stderr and stdout.
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ArchiveCreator(
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this.tempDir,
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this.outputDir,
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this.revision,
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this.branch, {
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ProcessManager processManager,
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bool subprocessOutput = true,
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this.platform = const LocalPlatform(),
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HttpReader httpReader,
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}) : assert(revision.length == 40),
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flutterRoot = new Directory(path.join(tempDir.path, 'flutter')),
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httpReader = httpReader ?? http.readBytes,
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_processRunner = new ProcessRunner(
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processManager: processManager,
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subprocessOutput: subprocessOutput,
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platform: platform,
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) {
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_flutter = path.join(
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flutterRoot.absolute.path,
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'bin',
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'flutter',
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);
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_processRunner.environment['PUB_CACHE'] = path.join(flutterRoot.absolute.path, '.pub-cache');
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}
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/// The platform to use for the environment and determining which
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/// platform we're running on.
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final Platform platform;
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/// The branch to build the archive for. The branch must contain [revision].
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final Branch branch;
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/// The git revision hash to build the archive for. This revision has
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/// to be available in the [branch], although it doesn't have to be
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/// at HEAD, since we clone the branch and then reset to this revision
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/// to create the archive.
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final String revision;
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/// The flutter root directory in the [tempDir].
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final Directory flutterRoot;
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/// The temporary directory used to build the archive in.
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final Directory tempDir;
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/// The directory to write the output file to.
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final Directory outputDir;
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final Uri _minGitUri = Uri.parse(mingitForWindowsUrl);
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final ProcessRunner _processRunner;
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/// Used to tell the [ArchiveCreator] which function to use for reading
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/// bytes from a URL. Used in tests to inject a fake reader. Defaults to
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/// [http.readBytes].
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final HttpReader httpReader;
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File _outputFile;
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String _version;
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String _flutter;
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/// Get the name of the channel as a string.
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String get branchName => getBranchName(branch);
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/// Returns a default archive name when given a Git revision.
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/// Used when an output filename is not given.
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String get _archiveName {
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final String os = platform.operatingSystem.toLowerCase();
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// We don't use .tar.xz on Mac because although it can unpack them
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// on the command line (with tar), the "Archive Utility" that runs
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// when you double-click on them just does some crazy behavior (it
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// converts it to a compressed cpio archive, and when you double
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// click on that, it converts it back to .tar.xz, without ever
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// unpacking it!) So, we use .zip for Mac, and the files are about
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// 220MB larger than they need to be. :-(
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final String suffix = platform.isLinux ? 'tar.xz' : 'zip';
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return 'flutter_${os}_$_version-$branchName.$suffix';
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}
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/// Checks out the flutter repo and prepares it for other operations.
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///
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/// Returns the version for this release, as obtained from the git tags.
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Future<String> initializeRepo() async {
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await _checkoutFlutter();
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_version = await _getVersion();
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return _version;
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}
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/// Performs all of the steps needed to create an archive.
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Future<File> createArchive() async {
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assert(_version != null, 'Must run initializeRepo before createArchive');
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_outputFile = new File(path.join(outputDir.absolute.path, _archiveName));
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await _installMinGitIfNeeded();
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await _populateCaches();
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await _archiveFiles(_outputFile);
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return _outputFile;
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}
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/// Returns the version number of this release, according the to tags in
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/// the repo.
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Future<String> _getVersion() async {
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return _runGit(<String>['describe', '--tags', '--abbrev=0']);
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}
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/// Clone the Flutter repo and make sure that the git environment is sane
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/// for when the user will unpack it.
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Future<Null> _checkoutFlutter() async {
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// We want the user to start out the in the specified branch instead of a
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// detached head. To do that, we need to make sure the branch points at the
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// desired revision.
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await _runGit(<String>['clone', '-b', branchName, chromiumRepo], workingDirectory: tempDir);
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await _runGit(<String>['reset', '--hard', revision]);
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// Make the origin point to github instead of the chromium mirror.
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await _runGit(<String>['remote', 'set-url', 'origin', githubRepo]);
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}
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/// Retrieve the MinGit executable from storage and unpack it.
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Future<Null> _installMinGitIfNeeded() async {
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if (!platform.isWindows) {
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return;
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}
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final Uint8List data = await httpReader(_minGitUri);
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final File gitFile = new File(path.join(tempDir.absolute.path, 'mingit.zip'));
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await gitFile.writeAsBytes(data, flush: true);
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final Directory minGitPath =
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new Directory(path.join(flutterRoot.absolute.path, 'bin', 'mingit'));
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await minGitPath.create(recursive: true);
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await _unzipArchive(gitFile, workingDirectory: minGitPath);
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}
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/// Prepare the archive repo so that it has all of the caches warmed up and
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/// is configured for the user to begin working.
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Future<Null> _populateCaches() async {
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await _runFlutter(<String>['doctor']);
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await _runFlutter(<String>['update-packages']);
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await _runFlutter(<String>['precache']);
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await _runFlutter(<String>['ide-config']);
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// Create each of the templates, since they will call 'pub get' on
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// themselves when created, and this will warm the cache with their
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// dependencies too.
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for (String template in <String>['app', 'package', 'plugin']) {
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final String createName = path.join(tempDir.path, 'create_$template');
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await _runFlutter(
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<String>['create', '--template=$template', createName],
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);
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}
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// Yes, we could just skip all .packages files when constructing
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// the archive, but some are checked in, and we don't want to skip
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// those.
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await _runGit(<String>['clean', '-f', '-X', '**/.packages']);
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}
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/// Write the archive to the given output file.
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Future<Null> _archiveFiles(File outputFile) async {
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if (outputFile.path.toLowerCase().endsWith('.zip')) {
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await _createZipArchive(outputFile, flutterRoot);
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} else if (outputFile.path.toLowerCase().endsWith('.tar.xz')) {
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await _createTarArchive(outputFile, flutterRoot);
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}
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}
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Future<String> _runFlutter(List<String> args, {Directory workingDirectory}) {
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return _processRunner.runProcess(
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<String>[_flutter]..addAll(args),
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workingDirectory: workingDirectory ?? flutterRoot,
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);
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}
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Future<String> _runGit(List<String> args, {Directory workingDirectory}) {
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return _processRunner.runProcess(
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<String>['git']..addAll(args),
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workingDirectory: workingDirectory ?? flutterRoot,
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);
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}
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/// Unpacks the given zip file into the currentDirectory (if set), or the
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/// same directory as the archive.
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Future<String> _unzipArchive(File archive, {Directory workingDirectory}) {
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workingDirectory ??= new Directory(path.dirname(archive.absolute.path));
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List<String> commandLine;
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if (platform.isWindows) {
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commandLine = <String>[
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'7za',
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'x',
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archive.absolute.path,
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];
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} else {
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commandLine = <String>[
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'unzip',
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archive.absolute.path,
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];
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}
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return _processRunner.runProcess(commandLine, workingDirectory: workingDirectory);
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}
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/// Create a zip archive from the directory source.
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Future<String> _createZipArchive(File output, Directory source) {
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List<String> commandLine;
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if (platform.isWindows) {
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commandLine = <String>[
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'7za',
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'a',
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'-tzip',
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'-mx=9',
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output.absolute.path,
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path.basename(source.path),
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];
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} else {
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commandLine = <String>[
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'zip',
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'-r',
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'-9',
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output.absolute.path,
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path.basename(source.path),
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];
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}
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return _processRunner.runProcess(
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commandLine,
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workingDirectory: new Directory(path.dirname(source.absolute.path)),
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);
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}
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/// Create a tar archive from the directory source.
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Future<String> _createTarArchive(File output, Directory source) {
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return _processRunner.runProcess(<String>[
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'tar',
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'cJf',
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output.absolute.path,
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path.basename(source.absolute.path),
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], workingDirectory: new Directory(path.dirname(source.absolute.path)));
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}
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}
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class ArchivePublisher {
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ArchivePublisher(
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this.tempDir,
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this.revision,
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this.branch,
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this.version,
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this.outputFile, {
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ProcessManager processManager,
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bool subprocessOutput = true,
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this.platform = const LocalPlatform(),
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}) : assert(revision.length == 40),
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platformName = platform.operatingSystem.toLowerCase(),
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metadataGsPath = '$gsReleaseFolder/${getMetadataFilename(platform)}',
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_processRunner = new ProcessRunner(
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processManager: processManager,
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subprocessOutput: subprocessOutput,
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);
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final Platform platform;
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final String platformName;
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final String metadataGsPath;
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final Branch branch;
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final String revision;
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final String version;
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final Directory tempDir;
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final File outputFile;
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final ProcessRunner _processRunner;
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String get branchName => getBranchName(branch);
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String get destinationArchivePath => '$branchName/$platformName/${path.basename(outputFile.path)}';
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static String getMetadataFilename(Platform platform) => 'releases_${platform.operatingSystem.toLowerCase()}.json';
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/// Publish the archive to Google Storage.
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Future<Null> publishArchive() async {
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final String destGsPath = '$gsReleaseFolder/$destinationArchivePath';
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await _cloudCopy(outputFile.absolute.path, destGsPath);
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assert(tempDir.existsSync());
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await _updateMetadata();
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}
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Map<String, dynamic> _addRelease(Map<String, dynamic> jsonData) {
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jsonData['base_url'] = '$baseUrl$releaseFolder';
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if (!jsonData.containsKey('current_release')) {
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jsonData['current_release'] = <String, String>{};
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}
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jsonData['current_release'][branchName] = revision;
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if (!jsonData.containsKey('releases')) {
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jsonData['releases'] = <Map<String, dynamic>>[];
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}
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final Map<String, dynamic> newEntry = <String, dynamic>{};
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newEntry['hash'] = revision;
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newEntry['channel'] = branchName;
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newEntry['version'] = version;
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newEntry['release_date'] = new DateTime.now().toUtc().toIso8601String();
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newEntry['archive'] = destinationArchivePath;
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// Search for any entries with the same hash and channel and remove them.
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final List<dynamic> releases = jsonData['releases'];
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final List<Map<String, dynamic>> prunedReleases = <Map<String, dynamic>>[];
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for (Map<String, dynamic> entry in releases) {
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if (entry['hash'] != newEntry['hash'] || entry['channel'] != newEntry['channel']) {
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prunedReleases.add(entry);
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}
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}
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prunedReleases.add(newEntry);
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prunedReleases.sort((Map<String, dynamic> a, Map<String, dynamic> b) {
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final DateTime aDate = DateTime.parse(a['release_date']);
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final DateTime bDate = DateTime.parse(b['release_date']);
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return bDate.compareTo(aDate);
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});
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jsonData['releases'] = prunedReleases;
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return jsonData;
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}
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Future<Null> _updateMetadata() async {
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// We can't just cat the metadata from the server with 'gsutil cat', because
|
|
// Windows wants to echo the commands that execute in gsutil.bat to the
|
|
// stdout when we do that. So, we copy the file locally and then read it
|
|
// back in.
|
|
final File metadataFile = new File(
|
|
path.join(tempDir.absolute.path, getMetadataFilename(platform)),
|
|
);
|
|
await _runGsUtil(<String>['cp', metadataGsPath, metadataFile.absolute.path]);
|
|
final String currentMetadata = metadataFile.readAsStringSync();
|
|
if (currentMetadata.isEmpty) {
|
|
throw new ProcessRunnerException('Empty metadata received from server');
|
|
}
|
|
|
|
Map<String, dynamic> jsonData;
|
|
try {
|
|
jsonData = json.decode(currentMetadata);
|
|
} on FormatException catch (e) {
|
|
throw new ProcessRunnerException('Unable to parse JSON metadata received from cloud: $e');
|
|
}
|
|
|
|
jsonData = _addRelease(jsonData);
|
|
|
|
const JsonEncoder encoder = JsonEncoder.withIndent(' ');
|
|
metadataFile.writeAsStringSync(encoder.convert(jsonData));
|
|
await _cloudCopy(metadataFile.absolute.path, metadataGsPath);
|
|
}
|
|
|
|
Future<String> _runGsUtil(
|
|
List<String> args, {
|
|
Directory workingDirectory,
|
|
bool failOk = false,
|
|
}) async {
|
|
return _processRunner.runProcess(
|
|
<String>['gsutil']..addAll(args),
|
|
workingDirectory: workingDirectory,
|
|
failOk: failOk,
|
|
);
|
|
}
|
|
|
|
Future<String> _cloudCopy(String src, String dest) async {
|
|
// We often don't have permission to overwrite, but
|
|
// we have permission to remove, so that's what we do.
|
|
await _runGsUtil(<String>['rm', dest], failOk: true);
|
|
String mimeType;
|
|
if (dest.endsWith('.tar.xz')) {
|
|
mimeType = 'application/x-gtar';
|
|
}
|
|
if (dest.endsWith('.zip')) {
|
|
mimeType = 'application/zip';
|
|
}
|
|
if (dest.endsWith('.json')) {
|
|
mimeType = 'application/json';
|
|
}
|
|
final List<String> args = <String>[];
|
|
// Use our preferred MIME type for the files we care about
|
|
// and let gsutil figure it out for anything else.
|
|
if (mimeType != null) {
|
|
args.addAll(<String>['-h', 'Content-Type:$mimeType']);
|
|
}
|
|
args.addAll(<String>['cp', src, dest]);
|
|
return _runGsUtil(args);
|
|
}
|
|
}
|
|
|
|
/// Prepares a flutter git repo to be packaged up for distribution.
|
|
/// It mainly serves to populate the .pub-cache with any appropriate Dart
|
|
/// packages, and the flutter cache in bin/cache with the appropriate
|
|
/// dependencies and snapshots.
|
|
///
|
|
/// Note that archives contain the executables and customizations for the
|
|
/// platform that they are created on.
|
|
Future<Null> main(List<String> argList) async {
|
|
final ArgParser argParser = new ArgParser();
|
|
argParser.addOption(
|
|
'temp_dir',
|
|
defaultsTo: null,
|
|
help: 'A location where temporary files may be written. Defaults to a '
|
|
'directory in the system temp folder. Will write a few GiB of data, '
|
|
'so it should have sufficient free space. If a temp_dir is not '
|
|
'specified, then the default temp_dir will be created, used, and '
|
|
'removed automatically.',
|
|
);
|
|
argParser.addOption('revision',
|
|
defaultsTo: null,
|
|
help: 'The Flutter git repo revision to build the '
|
|
'archive with. Must be the full 40-character hash. Required.');
|
|
argParser.addOption(
|
|
'branch',
|
|
defaultsTo: null,
|
|
allowed: Branch.values.map((Branch branch) => getBranchName(branch)),
|
|
help: 'The Flutter branch to build the archive with. Required.',
|
|
);
|
|
argParser.addOption(
|
|
'output',
|
|
defaultsTo: null,
|
|
help: 'The path to the directory where the output archive should be '
|
|
'written. If --output is not specified, the archive will be written to '
|
|
"the current directory. If the output directory doesn't exist, it, and "
|
|
'the path to it, will be created.',
|
|
);
|
|
argParser.addFlag(
|
|
'publish',
|
|
defaultsTo: false,
|
|
help: 'If set, will publish the archive to Google Cloud Storage upon '
|
|
'successful creation of the archive. Will publish under this '
|
|
'directory: $baseUrl$releaseFolder',
|
|
);
|
|
argParser.addFlag(
|
|
'help',
|
|
defaultsTo: false,
|
|
negatable: false,
|
|
help: 'Print help for this command.',
|
|
);
|
|
|
|
final ArgResults args = argParser.parse(argList);
|
|
|
|
if (args['help']) {
|
|
print(argParser.usage);
|
|
exit(0);
|
|
}
|
|
|
|
void errorExit(String message, {int exitCode = -1}) {
|
|
stderr.write('Error: $message\n\n');
|
|
stderr.write('${argParser.usage}\n');
|
|
exit(exitCode);
|
|
}
|
|
|
|
final String revision = args['revision'];
|
|
if (revision.isEmpty) {
|
|
errorExit('Invalid argument: --revision must be specified.');
|
|
}
|
|
if (revision.length != 40) {
|
|
errorExit('Invalid argument: --revision must be the entire hash, not just a prefix.');
|
|
}
|
|
|
|
if (args['branch'].isEmpty) {
|
|
errorExit('Invalid argument: --branch must be specified.');
|
|
}
|
|
|
|
Directory tempDir;
|
|
bool removeTempDir = false;
|
|
if (args['temp_dir'] == null || args['temp_dir'].isEmpty) {
|
|
tempDir = Directory.systemTemp.createTempSync('flutter_package.');
|
|
removeTempDir = true;
|
|
} else {
|
|
tempDir = new Directory(args['temp_dir']);
|
|
if (!tempDir.existsSync()) {
|
|
errorExit("Temporary directory ${args['temp_dir']} doesn't exist.");
|
|
}
|
|
}
|
|
|
|
Directory outputDir;
|
|
if (args['output'] == null) {
|
|
outputDir = tempDir;
|
|
} else {
|
|
outputDir = new Directory(args['output']);
|
|
if (!outputDir.existsSync()) {
|
|
outputDir.createSync(recursive: true);
|
|
}
|
|
}
|
|
|
|
final Branch branch = fromBranchName(args['branch']);
|
|
final ArchiveCreator creator = new ArchiveCreator(tempDir, outputDir, revision, branch);
|
|
int exitCode = 0;
|
|
String message;
|
|
try {
|
|
final String version = await creator.initializeRepo();
|
|
final File outputFile = await creator.createArchive();
|
|
if (args['publish']) {
|
|
final ArchivePublisher publisher = new ArchivePublisher(
|
|
tempDir,
|
|
revision,
|
|
branch,
|
|
version,
|
|
outputFile,
|
|
);
|
|
await publisher.publishArchive();
|
|
}
|
|
} on ProcessRunnerException catch (e) {
|
|
exitCode = e.exitCode;
|
|
message = e.message;
|
|
} catch (e) {
|
|
exitCode = -1;
|
|
message = e.toString();
|
|
} finally {
|
|
if (removeTempDir) {
|
|
tempDir.deleteSync(recursive: true);
|
|
}
|
|
if (exitCode != 0) {
|
|
errorExit(message, exitCode: exitCode);
|
|
}
|
|
exit(0);
|
|
}
|
|
}
|