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// 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 '../base/common.dart';
import '../base/file_system.dart';
import '../base/logger.dart';
import '../base/platform.dart';
import '../base/process.dart';
import '../base/utils.dart';
import '../cache.dart';
import '../globals.dart';
import 'sdk.dart';
bool _shouldRunPubGet({ File pubSpecYaml, File dotPackages }) {
if (!dotPackages.existsSync())
return true;
final DateTime dotPackagesLastModified = dotPackages.lastModifiedSync();
if (pubSpecYaml.lastModifiedSync().isAfter(dotPackagesLastModified))
return true;
final File flutterToolsStamp = Cache.instance.getStampFileFor('flutter_tools');
if (flutterToolsStamp.existsSync() &&
flutterToolsStamp.lastModifiedSync().isAfter(dotPackagesLastModified))
return true;
return false;
}
Future<Null> pubGet({
String directory,
bool skipIfAbsent: false,
bool upgrade: false,
bool offline: false,
bool checkLastModified: true
}) async {
directory ??= fs.currentDirectory.path;
final File pubSpecYaml = fs.file(fs.path.join(directory, 'pubspec.yaml'));
final File dotPackages = fs.file(fs.path.join(directory, '.packages'));
if (!pubSpecYaml.existsSync()) {
if (!skipIfAbsent)
throwToolExit('$directory: no pubspec.yaml found');
return;
}
if (!checkLastModified || _shouldRunPubGet(pubSpecYaml: pubSpecYaml, dotPackages: dotPackages)) {
final String command = upgrade ? 'upgrade' : 'get';
final Status status = logger.startProgress(
'Running "flutter packages $command" in ${fs.path.basename(directory)}...',
expectSlowOperation: true,
);
final List<String> args = <String>['--verbosity=warning', command, '--no-precompile'];
if (offline)
args.add('--offline');
try {
await pub(args, directory: directory, filter: _filterOverrideWarnings, failureMessage: 'pub $command failed');
} finally {
status.stop();
}
}
if (!dotPackages.existsSync())
throwToolExit('$directory: pub did not create .packages file');
if (dotPackages.lastModifiedSync().isBefore(pubSpecYaml.lastModifiedSync()))
throwToolExit('$directory: pub did not update .packages file (pubspec.yaml file has a newer timestamp)');
}
typedef String MessageFilter(String message);
Future<Null> pub(List<String> arguments, {
String directory,
MessageFilter filter,
String failureMessage: 'pub failed'
}) async {
final List<String> command = <String>[ sdkBinaryName('pub') ]..addAll(arguments);
final int code = await runCommandAndStreamOutput(
command,
workingDirectory: directory,
mapFunction: filter,
environment: <String, String>{ 'FLUTTER_ROOT': Cache.flutterRoot, _pubEnvironmentKey: _getPubEnvironmentValue() }
);
if (code != 0)
throwToolExit('$failureMessage ($code)', exitCode: code);
}
final RegExp _analyzerWarning = new RegExp(r'^! \w+ [^ ]+ from path \.\./\.\./bin/cache/dart-sdk/lib/\w+$');
/// The console environment key used by the pub tool.
const String _pubEnvironmentKey = 'PUB_ENVIRONMENT';
/// Returns the environment value that should be used when running pub.
///
/// Includes any existing environment variable, if one exists.
String _getPubEnvironmentValue() {
final List<String> values = <String>[];
final String existing = platform.environment[_pubEnvironmentKey];
if ((existing != null) && existing.isNotEmpty) {
values.add(existing);
}
if (isRunningOnBot) {
values.add('flutter_bot');
}
values.add('flutter_cli');
return values.join(':');
}
String _filterOverrideWarnings(String message) {
// This function filters out these three messages:
// Warning: You are using these overridden dependencies:
// ! analyzer 0.29.0-alpha.0 from path ../../bin/cache/dart-sdk/lib/analyzer
// ! front_end 0.1.0-alpha.0 from path ../../bin/cache/dart-sdk/lib/front_end
if (message == 'Warning: You are using these overridden dependencies:')
return null;
if (message.contains(_analyzerWarning))
return null;
return message;
}