| // Copyright 2017 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. |
| |
| // Rolls the dev channel. |
| // Only tested on Linux. |
| // |
| // See: https://github.com/flutter/flutter/wiki/Release-process |
| |
| import 'dart:io'; |
| |
| import 'package:args/args.dart'; |
| |
| const String kIncrement = 'increment'; |
| const String kX = 'x'; |
| const String kY = 'y'; |
| const String kZ = 'z'; |
| const String kCommit = 'commit'; |
| const String kOrigin = 'origin'; |
| const String kJustPrint = 'just-print'; |
| const String kYes = 'yes'; |
| const String kHelp = 'help'; |
| |
| const String kUpstreamRemote = 'git@github.com:flutter/flutter.git'; |
| |
| void main(List<String> args) { |
| final ArgParser argParser = new ArgParser(allowTrailingOptions: false); |
| argParser.addOption( |
| kIncrement, |
| help: 'Specifies which part of the x.y.z version number to increment. Required.', |
| valueHelp: 'level', |
| allowed: <String>[kX, kY, kZ], |
| allowedHelp: <String, String>{ |
| kX: 'Indicates a major development, e.g. typically changed after a big press event.', |
| kY: 'Indicates a minor development, e.g. typically changed after a beta release.', |
| kZ: 'Indicates the least notable level of change. You normally want this.', |
| }, |
| ); |
| argParser.addOption( |
| kCommit, |
| help: 'Specifies which git commit to roll to the dev branch.', |
| valueHelp: 'hash', |
| defaultsTo: 'upstream/master', |
| ); |
| argParser.addOption( |
| kOrigin, |
| help: 'Specifies the name of the upstream repository', |
| valueHelp: 'repository', |
| defaultsTo: 'upstream', |
| ); |
| argParser.addFlag( |
| kJustPrint, |
| negatable: false, |
| help: |
| 'Don\'t actually roll the dev channel; ' |
| 'just print the would-be version and quit.', |
| ); |
| argParser.addFlag(kYes, negatable: false, abbr: 'y', help: 'Skip the confirmation prompt.'); |
| argParser.addFlag(kHelp, negatable: false, help: 'Show this help message.', hide: true); |
| ArgResults argResults; |
| try { |
| argResults = argParser.parse(args); |
| } on ArgParserException catch (error) { |
| print(error.message); |
| print(argParser.usage); |
| exit(1); |
| } |
| |
| final String level = argResults[kIncrement]; |
| final String commit = argResults[kCommit]; |
| final String origin = argResults[kOrigin]; |
| final bool justPrint = argResults[kJustPrint]; |
| final bool autoApprove = argResults[kYes]; |
| final bool help = argResults[kHelp]; |
| |
| if (help || level == null) { |
| print('roll_dev.dart --increment=level --commit=hash • update the version tags and roll a new dev build.\n'); |
| print(argParser.usage); |
| exit(0); |
| } |
| |
| if (getGitOutput('remote get-url $origin', 'check whether this is a flutter checkout') != kUpstreamRemote) { |
| print('The current directory is not a Flutter repository checkout with a correctly configured upstream remote.'); |
| print('For more details see: https://github.com/flutter/flutter/wiki/Release-process'); |
| exit(1); |
| } |
| |
| runGit('checkout master', 'switch to master branch'); |
| |
| if (getGitOutput('status --porcelain', 'check status of your local checkout') != '') { |
| print('Your git repository is not clean. Try running "git clean -fd". Warning, this '); |
| print('will delete files! Run with -n to find out which ones.'); |
| exit(1); |
| } |
| |
| runGit('fetch $origin', 'fetch $origin'); |
| runGit('reset $commit --hard', 'check out master branch'); |
| |
| String version = getFullTag(); |
| final Match match = parseFullTag(version); |
| if (match == null) { |
| print('Could not determine the version for this build.'); |
| if (version.isNotEmpty) |
| print('Git reported the latest version as "$version", which does not fit the expected pattern.'); |
| exit(1); |
| } |
| |
| final List<int> parts = match.groups(<int>[1, 2, 3]).map(int.parse).toList(); |
| |
| if (match.group(4) == '0') { |
| print('This commit has already been released, as version ${parts.join(".")}.'); |
| exit(0); |
| } |
| |
| switch (level) { |
| case kX: |
| parts[0] += 1; |
| parts[1] = 0; |
| parts[2] = 0; |
| break; |
| case kY: |
| parts[1] += 1; |
| parts[2] = 0; |
| break; |
| case kZ: |
| parts[2] += 1; |
| break; |
| default: |
| print('Unknown increment level. The valid values are "$kX", "$kY", and "$kZ".'); |
| exit(1); |
| } |
| version = parts.join('.'); |
| |
| if (justPrint) { |
| print(version); |
| exit(0); |
| } |
| |
| final String hash = getGitOutput('rev-parse HEAD', 'Get git hash for $commit'); |
| |
| runGit('tag v$version', 'tag the commit with the version label'); |
| |
| // PROMPT |
| |
| if (autoApprove) { |
| print('Publishing Flutter $version (${hash.substring(0, 10)}) to the "dev" channel.'); |
| } else { |
| print('Your tree is ready to publish Flutter $version (${hash.substring(0, 10)}) ' |
| 'to the "dev" channel.'); |
| stdout.write('Are you? [yes/no] '); |
| if (stdin.readLineSync() != 'yes') { |
| runGit('tag -d v$version', 'remove the tag you did not want to publish'); |
| print('The dev roll has been aborted.'); |
| exit(0); |
| } |
| } |
| |
| runGit('push $origin v$version', 'publish the version'); |
| runGit('push $origin HEAD:dev', 'land the new version on the "dev" branch'); |
| print('Flutter version $version has been rolled to the "dev" channel!'); |
| } |
| |
| String getFullTag() { |
| return getGitOutput( |
| 'describe --match v*.*.* --first-parent --long --tags', |
| 'obtain last released version number', |
| ); |
| } |
| |
| Match parseFullTag(String version) { |
| final RegExp versionPattern = new RegExp('^v([0-9]+)\.([0-9]+)\.([0-9]+)-([0-9]+)-g([a-f0-9]+)\$'); |
| return versionPattern.matchAsPrefix(version); |
| } |
| |
| String getGitOutput(String command, String explanation) { |
| final ProcessResult result = _runGit(command); |
| if (result.stderr.isEmpty && result.exitCode == 0) |
| return result.stdout.trim(); |
| _reportGitFailureAndExit(result, explanation); |
| return null; // for the analyzer's sake |
| } |
| |
| void runGit(String command, String explanation) { |
| final ProcessResult result = _runGit(command); |
| if (result.exitCode != 0) |
| _reportGitFailureAndExit(result, explanation); |
| } |
| |
| ProcessResult _runGit(String command) { |
| return Process.runSync('git', command.split(' ')); |
| } |
| |
| void _reportGitFailureAndExit(ProcessResult result, String explanation) { |
| if (result.exitCode != 0) { |
| print('Failed to $explanation. Git exited with error code ${result.exitCode}.'); |
| } else { |
| print('Failed to $explanation.'); |
| } |
| if (result.stdout.isNotEmpty) |
| print('stdout from git:\n${result.stdout}\n'); |
| if (result.stderr.isNotEmpty) |
| print('stderr from git:\n${result.stderr}\n'); |
| exit(1); |
| } |