303 lines
8.9 KiB
Dart
303 lines
8.9 KiB
Dart
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import 'dart:io';
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const _fallbackVersion = '0.0.1';
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final _versionPattern = RegExp(r'^(\d+)\.(\d+)\.(\d+)(?:\+[0-9A-Za-z.-]+)?$');
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typedef _Release = ({
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String platform,
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String prefix,
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String source,
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_Version version,
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});
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final class _Version implements Comparable<_Version> {
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const _Version(this.major, this.minor, this.patch);
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factory _Version.parse(String value) {
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final match = _versionPattern.firstMatch(value);
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if (match == null) {
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throw FormatException(
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"Unsupported version '$value'. Expected MAJOR.MINOR.PATCH.",
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);
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}
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return _Version(
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int.parse(match[1]!),
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int.parse(match[2]!),
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int.parse(match[3]!),
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);
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}
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final int major;
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final int minor;
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final int patch;
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_Version get nextPatch => _Version(major, minor, patch + 1);
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int get buildNumber => major * 1000000 + minor * 1000 + patch;
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@override
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int compareTo(_Version other) {
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final majorComparison = major.compareTo(other.major);
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if (majorComparison != 0) return majorComparison;
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final minorComparison = minor.compareTo(other.minor);
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if (minorComparison != 0) return minorComparison;
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return patch.compareTo(other.patch);
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}
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@override
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String toString() => '$major.$minor.$patch';
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}
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Future<void> main(List<String> arguments) async {
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try {
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await _run(arguments);
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} on FormatException catch (error) {
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stderr.writeln('error: ${error.message}');
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stderr.writeln(_usage);
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exitCode = 2;
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} on StateError catch (error) {
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stderr.writeln('error: ${error.message}');
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exitCode = 1;
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}
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}
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Future<void> _run(List<String> arguments) async {
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if (arguments.isEmpty || arguments.contains('--help')) {
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stdout.writeln(_usage);
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if (arguments.isEmpty) exitCode = 2;
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return;
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}
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final command = arguments.first;
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final options = _parseOptions(arguments.skip(1).toList());
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final projectRoot = options.projectRoot ?? _defaultProjectRoot;
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switch (command) {
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case 'current':
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_expectOnePlatform(options);
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stdout.writeln(
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await _currentVersion(options.positional.single, projectRoot),
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);
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case 'next':
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_expectOnePlatform(options);
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final release = await _nextRelease(
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options.positional.single,
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projectRoot,
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);
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stdout.writeln(
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'${release.platform} ${release.version} ${release.source}',
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);
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case 'build-number':
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if (options.positional.length != 1 || options.hasTagOptions) {
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throw const FormatException('build-number requires one version.');
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}
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stdout.writeln(_Version.parse(options.positional.single).buildNumber);
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case 'tag':
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if (options.positional.length != 1) {
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throw const FormatException('tag requires one platform.');
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}
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await _tag(options.positional.single, projectRoot, options);
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default:
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throw FormatException("Unknown command '$command'.");
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}
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}
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void _expectOnePlatform(_Options options) {
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if (options.positional.length != 1 || options.hasTagOptions) {
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throw const FormatException('current/next requires one platform.');
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}
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}
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({String platform, String prefix}) _resolvePlatform(String value) {
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return switch (value.trim().toLowerCase()) {
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'windows' ||
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'pc' ||
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'macos' ||
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'darwin' => (platform: 'windows', prefix: 'v'),
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'android' => (platform: 'android', prefix: 'android-v'),
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_ => throw FormatException(
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"Unsupported platform '$value'. Expected windows, pc, macos, or android.",
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),
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};
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}
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Future<_Version> _currentVersion(String platform, String projectRoot) async {
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final pubspec = _pubspecVersion(projectRoot);
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final latest = await _latestTag(platform, projectRoot);
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return latest == null || latest.version.compareTo(pubspec) < 0
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? pubspec
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: latest.version;
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}
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Future<_Release> _nextRelease(String platform, String projectRoot) async {
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final resolved = _resolvePlatform(platform);
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final pubspec = _pubspecVersion(projectRoot);
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final latest = await _latestTag(resolved.platform, projectRoot);
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if (latest == null || latest.version.compareTo(pubspec) < 0) {
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return (
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platform: resolved.platform,
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prefix: resolved.prefix,
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source: 'pubspec:$pubspec',
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version: pubspec,
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);
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}
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return (
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platform: resolved.platform,
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prefix: resolved.prefix,
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source: latest.tag,
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version: latest.version.nextPatch,
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);
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}
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_Version _pubspecVersion(String projectRoot) {
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final pubspec = File('$projectRoot${Platform.pathSeparator}pubspec.yaml');
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if (!pubspec.existsSync()) return _Version.parse(_fallbackVersion);
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final match = RegExp(
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r'^version:\s*(\d+\.\d+\.\d+(?:\+[0-9A-Za-z.-]+)?)\s*$',
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multiLine: true,
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).firstMatch(pubspec.readAsStringSync());
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return _Version.parse(match?[1] ?? _fallbackVersion);
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}
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Future<({String tag, _Version version})?> _latestTag(
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String platform,
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String projectRoot,
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) async {
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final resolved = _resolvePlatform(platform);
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final result = await Process.run('git', [
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'tag',
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'--list',
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'${resolved.prefix}*',
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], workingDirectory: projectRoot);
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if (result.exitCode != 0) return null;
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final pattern = RegExp(
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'^${RegExp.escape(resolved.prefix)}'
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r'(\d+\.\d+\.\d+(?:\+[0-9A-Za-z.-]+)?)$',
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);
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({String tag, _Version version})? latest;
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for (final tag in '${result.stdout}'.split(RegExp(r'\r?\n'))) {
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final match = pattern.firstMatch(tag.trim());
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if (match == null) continue;
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final candidate = (tag: tag.trim(), version: _Version.parse(match[1]!));
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if (latest == null || candidate.version.compareTo(latest.version) > 0) {
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latest = candidate;
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}
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}
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return latest;
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}
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Future<void> _tag(
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String requestedPlatform,
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String projectRoot,
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_Options options,
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) async {
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final platforms = requestedPlatform.toLowerCase() == 'both'
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? const ['windows', 'android']
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: [_resolvePlatform(requestedPlatform).platform];
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for (final platform in platforms) {
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final release = await _nextRelease(platform, projectRoot);
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final tag = '${release.prefix}${release.version}';
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final existing = await _git(['tag', '--list', tag], projectRoot);
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if ('${existing.stdout}'.trim().isNotEmpty) {
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throw StateError("Tag '$tag' already exists. Aborting.");
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}
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stdout.writeln('[${release.platform}] ${release.source} -> $tag');
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if (options.dryRun) {
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stdout.writeln(' DryRun: skip create/push.');
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continue;
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}
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await _git(['tag', tag], projectRoot);
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if (options.noPush) {
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stdout.writeln(' Created local tag (--no-push).');
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continue;
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}
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await _git(['push', options.remote, tag], projectRoot);
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stdout.writeln(' Pushed to ${options.remote}.');
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}
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}
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Future<ProcessResult> _git(List<String> arguments, String projectRoot) async {
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final result = await Process.run(
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'git',
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arguments,
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workingDirectory: projectRoot,
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);
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if (result.exitCode != 0) {
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throw StateError(
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'${result.stderr}'.trim().isEmpty
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? 'git ${arguments.join(' ')} failed with exit ${result.exitCode}.'
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: '${result.stderr}'.trim(),
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);
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}
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return result;
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}
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_Options _parseOptions(List<String> arguments) {
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final positional = <String>[];
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String? projectRoot;
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var dryRun = false;
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var noPush = false;
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var remote = 'origin';
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for (var index = 0; index < arguments.length; index++) {
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final argument = arguments[index];
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switch (argument) {
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case '--dry-run':
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dryRun = true;
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case '--no-push':
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noPush = true;
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case '--project-root' || '--remote':
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if (++index >= arguments.length) {
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throw FormatException('$argument requires a value.');
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}
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if (argument == '--project-root') {
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projectRoot = arguments[index];
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} else {
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remote = arguments[index];
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}
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default:
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if (argument.startsWith('--project-root=')) {
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projectRoot = argument.substring('--project-root='.length);
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} else if (argument.startsWith('--remote=')) {
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remote = argument.substring('--remote='.length);
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} else if (argument.startsWith('-')) {
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throw FormatException("Unknown option '$argument'.");
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} else {
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positional.add(argument);
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}
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}
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}
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if (remote.isEmpty) throw const FormatException('remote cannot be empty.');
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return _Options(positional, projectRoot, dryRun, noPush, remote);
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}
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final class _Options {
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const _Options(
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this.positional,
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this.projectRoot,
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this.dryRun,
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this.noPush,
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this.remote,
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);
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final List<String> positional;
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final String? projectRoot;
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final bool dryRun;
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final bool noPush;
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final String remote;
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bool get hasTagOptions => dryRun || noPush || remote != 'origin';
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}
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String get _defaultProjectRoot =>
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File.fromUri(Platform.script).parent.parent.path;
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const _usage = '''Usage:
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dart scripts/version.dart current <pc|windows|macos|android>
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dart scripts/version.dart next <pc|windows|macos|android>
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dart scripts/version.dart build-number <MAJOR.MINOR.PATCH>
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dart scripts/version.dart tag <pc|windows|android|both> [--dry-run] [--no-push] [--remote=<name>]''';
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