ci(swift): use PR branch to test swift integration rather than version (#17460)

Author: russellwheatley

.github/workflows/all_plugins.yaml

@@ -131,8 +131,7 @@ jobs:
  - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
  - uses: subosito/flutter-action@f2c4f6686ca8e8d6e6d0f28410eeef506ed66aff
  with:
- # TODO - enabling swift is on `master` channel at the moment. Update when it's on `stable`
- channel: 'master'
+ channel: 'stable'
  - name: Setup firebase_core example app to test Swift integration
  # run this before running melos boostrap to ensure the example app is set up
  run: |

.github/workflows/scripts/swift-integration.dart

@@ -9,11 +9,91 @@ void main(List<String> arguments) async {
  if (arguments.isEmpty) {
  throw Exception('No FlutterFire dependency arguments provided.');
  }
+
+ // Get the current git branch from GitHub Actions environment or fallback to git command
+ final currentBranch = await getCurrentBranch();
+ print('Current branch: $currentBranch');
+
+ // Update all Package.swift files to use branch dependencies
+ await updatePackageSwiftFiles(currentBranch, arguments);
+
  final plugins = arguments.join(',');
  await buildSwiftExampleApp('ios', plugins);
  await buildSwiftExampleApp('macos', plugins);
 }
 
+Future<String> getCurrentBranch() async {
+ // Try GitHub Actions environment variables first
+ String? branch = Platform.environment['GITHUB_HEAD_REF']; // For pull requests
+
+ if (branch == null || branch.isEmpty) {
+ branch = Platform.environment['GITHUB_REF_NAME']; // For direct pushes
+ }
+
+ if (branch == null || branch.isEmpty) {
+ // Fallback to git command for local testing
+ print('GitHub Actions environment variables not found, trying git command...');
+ final result = await Process.run('git', ['branch', '--show-current']);
+ if (result.exitCode != 0) {
+ throw Exception('Failed to get current git branch: ${result.stderr}');
+ }
+ branch = result.stdout.toString().trim();
+ }
+
+ if (branch.isEmpty) {
+ throw Exception('Could not determine current branch from GitHub Actions environment or git command');
+ }
+
+ return branch;
+}
+
+Future<void> updatePackageSwiftFiles(String branch, List<String> packages) async {
+ print('Updating Package.swift files to use branch: $branch');
+
+ // Update each package's Package.swift files
+ for (final package in packages) {
+ await updatePackageSwiftForPackage(package, branch);
+ }
+}
+
+Future<void> updatePackageSwiftForPackage(String packageName, String branch) async {
+ // Check both ios and macos directories
+ final platforms = ['ios', 'macos'];
+
+ for (final platform in platforms) {
+ final packageSwiftPath = 'packages/$packageName/$packageName/$platform/$packageName/Package.swift';
+ final file = File(packageSwiftPath);
+
+ if (!file.existsSync()) {
+ print('Warning: Package.swift not found at $packageSwiftPath');
+ continue;
+ }
+
+ print('Updating $packageSwiftPath');
+ final content = await file.readAsString();
+
+ // Replace exact version dependency with branch dependency
+ String updatedContent = content;
+
+ // Pattern to match the exact version dependency
+ final exactVersionPattern = RegExp(
+ r'\.package\(url: "https://github\.com/firebase/flutterfire", exact: [^)]+\)',
+ multiLine: true
+ );
+
+ // Replace with branch dependency
+ final branchDependency = '.package(url: "https://github.com/firebase/flutterfire", branch: "$branch")';
+
+ if (exactVersionPattern.hasMatch(content)) {
+ updatedContent = content.replaceAll(exactVersionPattern, branchDependency);
+ await file.writeAsString(updatedContent);
+ print('✓ Updated $packageSwiftPath to use branch: $branch');
+ } else {
+ print('⚠ No exact version dependency found in $packageSwiftPath');
+ }
+ }
+}
+
 Future<void> buildSwiftExampleApp(String platform, String plugins) async {
  final initialDirectory = Directory.current;
  final platformName = platform == 'ios' ? 'iOS' : 'macOS';