[video_player] Add missing swift_version to podspec

packages/video_player/video_player_avfoundation/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.9.6
+
+* Adds a Swift version to fix a potential build issue when using CocoaPods.
+
 ## 2.9.5
 
 * Converts portions of the native code to Swift for improved maintainability.

packages/video_player/video_player_avfoundation/darwin/video_player_avfoundation.podspec

@@ -23,6 +23,7 @@ Downloaded by pub (not CocoaPods).
   s.ios.deployment_target = '13.0'
   s.osx.deployment_target = '10.15'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
+  s.swift_version = '5.0'
   s.xcconfig = {
     'LIBRARY_SEARCH_PATHS' => '$(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME)/ $(SDKROOT)/usr/lib/swift',
     'LD_RUNPATH_SEARCH_PATHS' => '/usr/lib/swift',

packages/video_player/video_player_avfoundation/pubspec.yaml

@@ -2,7 +2,7 @@ name: video_player_avfoundation
 description: iOS and macOS implementation of the video_player plugin.
 repository: https://github.com/flutter/packages/tree/main/packages/video_player/video_player_avfoundation
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+video_player%22
-version: 2.9.5
+version: 2.9.6
 
 environment:
   sdk: ^3.10.0

script/tool/lib/src/podspec_check_command.dart

@@ -75,7 +75,9 @@ class PodspecCheckCommand extends PackageLoopingCommand {
     }
 
     if (await _hasIOSSwiftCode(package)) {
-      print('iOS Swift code found, checking for search paths settings...');
+      print(
+        'iOS Swift code found, checking for search paths settings and Swift version...',
+      );
       for (final podspec in podspecs) {
         if (_isPodspecMissingSearchPaths(podspec)) {
           const workaroundBlock = r'''
@@ -97,6 +99,20 @@ class PodspecCheckCommand extends PackageLoopingCommand {
           );
           errors.add(podspec.basename);
         }
+
+        if (_isPodspecMissingSwiftVersion(podspec)) {
+          final String path = getRelativePosixPath(
+            podspec,
+            from: package.directory,
+          );
+          printError(
+            '$path is missing Swift version configuration. Any iOS '
+            'plugin implementation that contains Swift implementation code '
+            'needs to contain a Swift version. For example:\n\n'
+            "s.swift_version = '5.0'",
+          );
+          errors.add(podspec.basename);
+        }
       }
     }
 
@@ -124,6 +140,8 @@ class PodspecCheckCommand extends PackageLoopingCommand {
       return path.extension(filename) == '.podspec' &&
           filename != 'Flutter.podspec' &&
           filename != 'FlutterMacOS.podspec' &&
+          // Ignore build intermediates, such as transitive pod dependencies.
+          !entity.absolute.path.contains('/build/') &&
           !entity.path.contains('packages/pigeon/platform_tests/');
     }).toList();
 
@@ -177,6 +195,11 @@ class PodspecCheckCommand extends PackageLoopingCommand {
       if (relativePath.startsWith('example/')) {
         return false;
       }
+      // Ignore build intermediates.
+      if (relativePath.contains('/build/') ||
+          relativePath.startsWith('build/')) {
+        return false;
+      }
       // Ignore test code.
       if (relativePath.contains('/Tests/') ||
           relativePath.contains('/RunnerTests/') ||
@@ -226,4 +249,8 @@ class PodspecCheckCommand extends PackageLoopingCommand {
     );
     return manifestBundling.hasMatch(podspec.readAsStringSync());
   }
+
+  bool _isPodspecMissingSwiftVersion(File podspec) {
+    return !RegExp(r'swift_version\s*=').hasMatch(podspec.readAsStringSync());
+  }
 }

script/tool/test/podspec_check_command_test.dart

@@ -14,21 +14,22 @@ import 'package:test/test.dart';
 import 'mocks.dart';
 import 'util.dart';
 
-/// Adds a fake podspec to [plugin]'s [platform] directory.
+/// Adds a fake podspec to [plugin]'s [subdirectory] directory.
 ///
 /// If [includeSwiftWorkaround] is set, the xcconfig additions to make Swift
 /// libraries work in apps that have no Swift will be included. If
 /// [scopeSwiftWorkaround] is set, it will be specific to the iOS configuration.
 void _writeFakePodspec(
   RepositoryPackage plugin,
-  String platform, {
+  String subdirectory, {
   bool includeSwiftWorkaround = false,
   bool scopeSwiftWorkaround = false,
   bool includePrivacyManifest = false,
+  bool includeSwiftVersion = true,
 }) {
   final String pluginName = plugin.directory.basename;
   final File file = plugin.directory
-      .childDirectory(platform)
+      .childDirectory(subdirectory)
       .childFile('$pluginName.podspec');
   final swiftWorkaround = includeSwiftWorkaround
       ? '''
@@ -43,6 +44,7 @@ void _writeFakePodspec(
   s.resource_bundles = {'$pluginName' => ['Resources/PrivacyInfo.xcprivacy']}
 '''
       : '';
+  final swiftVersion = includeSwiftVersion ? "s.swift_version = '5.0'" : '';
   file.createSync(recursive: true);
   file.writeAsStringSync('''
 #
@@ -66,7 +68,7 @@ Wraps NSUserDefaults, providing a persistent store for simple key-value pairs.
   s.osx.deployment_target = '10.11'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
   $swiftWorkaround
-  s.swift_version = '5.0'
+  $swiftVersion
   $privacyManifest
 
 end
@@ -452,6 +454,54 @@ void main() {
       },
     );
 
+    test(
+      'ignores Swift files in the build directory when determining whether the plugin uses Swift',
+      () async {
+        final RepositoryPackage plugin = createFakePlugin(
+          'plugin1',
+          packagesDir,
+          extraFiles: <String>[
+            'ios/Classes/SomeObjC.h',
+            'ios/Classes/SomeObjC.m',
+            'build/SomeSwiftFile.swift',
+            'ios/build/AnotherSwiftFile.swift',
+          ],
+        );
+        _writeFakePodspec(plugin, 'ios');
+
+        final List<String> output = await runCapturingPrint(runner, <String>[
+          'podspec-check',
+        ]);
+
+        expect(
+          output,
+          containsAllInOrder(<Matcher>[contains('Ran for 1 package(s)')]),
+        );
+      },
+    );
+
+    test('does not check for search paths in build output', () async {
+      final RepositoryPackage plugin = createFakePlugin(
+        'plugin1',
+        packagesDir,
+        extraFiles: <String>[
+          'ios/Classes/SomeSwift.swift',
+          'ios/plugin1/Package.swift',
+        ],
+      );
+      _writeFakePodspec(plugin, 'ios', includeSwiftWorkaround: true);
+      _writeFakePodspec(plugin, 'ios/build/some_pod');
+
+      final List<String> output = await runCapturingPrint(runner, <String>[
+        'podspec-check',
+      ]);
+
+      expect(
+        output,
+        containsAllInOrder(<Matcher>[contains('Ran for 1 package(s)')]),
+      );
+    });
+
     test('passes if the search paths workaround is present', () async {
       final RepositoryPackage plugin = createFakePlugin(
         'plugin1',
@@ -629,5 +679,40 @@ void main() {
         containsAllInOrder(<Matcher>[contains('Ran for 1 package(s)')]),
       );
     });
+
+    test('fails when a Swift plugin is missing a Swift version', () async {
+      final RepositoryPackage plugin = createFakePlugin(
+        'plugin1',
+        packagesDir,
+        platformSupport: <String, PlatformDetails>{
+          Platform.iOS: const PlatformDetails(PlatformSupport.inline),
+        },
+        extraFiles: <String>['ios/Classes/SomeSwift.swift'],
+      );
+      _writeFakePodspec(
+        plugin,
+        'ios',
+        includeSwiftVersion: false,
+        includeSwiftWorkaround: true,
+        includePrivacyManifest: true,
+      );
+
+      Error? commandError;
+      final List<String> output = await runCapturingPrint(
+        runner,
+        <String>['podspec-check'],
+        errorHandler: (Error e) {
+          commandError = e;
+        },
+      );
+
+      expect(commandError, isA<ToolExit>());
+      expect(
+        output,
+        containsAllInOrder(<Matcher>[
+          contains('missing Swift version configuration'),
+        ]),
+      );
+    });
   });
 }