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34e466f1fd
* Remove the workaround that pinned args to v0.13.6
This reverts most of the changes in commit 6331b6c8b5
* throw exception if exit code is not an integer
* rework command infrastructure to throw ToolExit when non-zero exitCode
* convert commands to return Future<Null>
* cleanup remaining commands to use throwToolExit for non-zero exit code
* remove isUnusual exception message
* add type annotations for updated args package
67 lines
2.0 KiB
Dart
67 lines
2.0 KiB
Dart
// Copyright 2015 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 '../base/common.dart';
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import '../base/process.dart';
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import '../cache.dart';
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import '../globals.dart';
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import '../runner/flutter_command.dart';
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class ChannelCommand extends FlutterCommand {
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@override
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final String name = 'channel';
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@override
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final String description = 'List or switch flutter channels.';
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@override
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String get invocation => '${runner.executableName} $name [<channel-name>]';
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@override
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Future<Null> runCommand() {
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switch (argResults.rest.length) {
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case 0:
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return _listChannels();
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case 1:
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return _switchChannel(argResults.rest[0]);
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default:
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throw new ToolExit('Too many arguments.\n$usage');
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}
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}
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Future<Null> _listChannels() async {
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String currentBranch = runSync(
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<String>['git', 'rev-parse', '--abbrev-ref', 'HEAD'],
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workingDirectory: Cache.flutterRoot);
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printStatus('Flutter channels:');
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int result = await runCommandAndStreamOutput(
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<String>['git', 'branch', '-r'],
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workingDirectory: Cache.flutterRoot,
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mapFunction: (String line) {
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List<String> split = line.split('/');
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if (split.length < 2) return null;
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String branchName = split[1];
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if (branchName.startsWith('HEAD')) return null;
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if (branchName == currentBranch) return '* $branchName';
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return ' $branchName';
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},
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);
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if (result != 0)
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throwToolExit('List channels failed: $result', exitCode: result);
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}
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Future<Null> _switchChannel(String branchName) async {
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printStatus('Switching to flutter channel named $branchName');
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int result = await runCommandAndStreamOutput(
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<String>['git', 'checkout', branchName],
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workingDirectory: Cache.flutterRoot,
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);
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if (result != 0)
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throwToolExit('Switch channel failed: $result', exitCode: result);
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}
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}
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