36 lines
1.1 KiB
Dart
36 lines
1.1 KiB
Dart
import 'dart:async';
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import 'package:build/build.dart';
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Builder appInfoBuilder(BuilderOptions options) => _AppInfoBuilder();
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class _AppInfoBuilder implements Builder {
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@override
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Map<String, List<String>> get buildExtensions => const {
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r'$package$': ['lib/app_info.g.dart'],
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};
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@override
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Future<void> build(BuildStep buildStep) async {
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final pkg = buildStep.inputId.package;
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final raw = await buildStep.readAsString(AssetId(pkg, 'pubspec.yaml'));
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final match =
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RegExp(r'^version:\s*([^\s#]+)', multiLine: true).firstMatch(raw);
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final combined = match?.group(1) ?? '0.0.0+0';
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final plus = combined.indexOf('+');
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final version = plus < 0 ? combined : combined.substring(0, plus);
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final buildNumber =
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plus < 0 ? 0 : int.tryParse(combined.substring(plus + 1)) ?? 0;
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await buildStep.writeAsString(
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AssetId(pkg, 'lib/app_info.g.dart'),
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'''
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// GENERATED by build_runner from pubspec.yaml — do not edit.
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import 'package:ux/ux.dart';
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const kAppInfo = AppInfo(version: '$version', buildNumber: $buildNumber);
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''',
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);
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}
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}
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