Add support for macos patch signing

packages/flutter_tools/lib/src/macos/build_macos.dart

@@ -22,6 +22,7 @@ import '../migrations/xcode_project_object_version_migration.dart';
 import '../migrations/xcode_script_build_phase_migration.dart';
 import '../migrations/xcode_thin_binary_build_phase_input_paths_migration.dart';
 import '../project.dart';
+import '../shorebird/shorebird_yaml.dart';
 import 'application_package.dart';
 import 'cocoapod_utils.dart';
 import 'migrations/flutter_application_migration.dart';
@@ -221,6 +222,32 @@ Future<void> buildMacOS({
   }
   final String? applicationBundle = MacOSApp.fromMacOSProject(flutterProject.macos).applicationBundle(buildInfo);
   if (applicationBundle != null) {
+    final String shorebirdYamlPath = globals.fs.path.join(
+      applicationBundle,
+      'Contents',
+      'Frameworks',
+      'App.framework',
+      'Resources',
+      'flutter_assets',
+      'shorebird.yaml',
+    );
+    if (globals.fs.isFileSync(shorebirdYamlPath)) {
+      try {
+        updateShorebirdYaml(
+          buildInfo,
+          shorebirdYamlPath,
+          environment: globals.platform.environment,
+        );
+      } on Exception catch (error) {
+        globals.printError(
+          '[shorebird] failed to generate shorebird configuration.\n$error',
+        );
+        throw Exception(
+          'Failed to generate shorebird configuration. Error: $error',
+        );
+      }
+    }
+
     final Directory outputDirectory = globals.fs.directory(applicationBundle);
     // This output directory is the .app folder itself.
     final int? directorySize = globals.os.getDirectorySize(outputDirectory);

packages/flutter_tools/test/commands.shard/hermetic/build_macos_test.dart

@@ -57,6 +57,15 @@ final FakePlatform macosPlatformCustomEnv = FakePlatform(
     }
 );
 
+final Platform macosPlatformWithShorebirdPublicKey = FakePlatform(
+    operatingSystem: 'macos',
+    environment: <String, String>{
+      'FLUTTER_ROOT': '/',
+      'HOME': '/',
+      'SHOREBIRD_PUBLIC_KEY': 'my_public_key',
+    }
+);
+
 final Platform notMacosPlatform = FakePlatform(
   environment: <String, String>{
     'FLUTTER_ROOT': '/',
@@ -838,4 +847,37 @@ STDERR STUFF
     ),
     FeatureFlags: () => TestFeatureFlags(isMacOSEnabled: true),
   });
+
+  testUsingContext('macOS build outputs path and size when successful',
+      () async {
+    final BuildCommand command = BuildCommand(
+      artifacts: artifacts,
+      androidSdk: FakeAndroidSdk(),
+      buildSystem: TestBuildSystem.all(BuildResult(success: true)),
+      fileSystem: MemoryFileSystem.test(),
+      processUtils: processUtils,
+      logger: BufferLogger.test(),
+      osUtils: FakeOperatingSystemUtils(),
+    );
+    createMinimalMockProjectFiles();
+    final File shorebirdYamlFile = fileSystem.file(
+      'build/macos/Build/Products/Release/example.app/Contents/Frameworks/App.framework/Resources/flutter_assets/shorebird.yaml',
+    )
+      ..createSync(recursive: true)
+      ..writeAsStringSync('app_id: my-app-id');
+
+    await createTestCommandRunner(command)
+        .run(const <String>['build', 'macos', '--no-pub']);
+
+    final String updatedYaml = shorebirdYamlFile.readAsStringSync();
+    expect(updatedYaml, contains('app_id: my-app-id'));
+    expect(updatedYaml, contains('patch_public_key: my_public_key'));
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => FakeProcessManager.list(<FakeCommand>[
+          setUpFakeXcodeBuildHandler('Release'),
+        ]),
+    Platform: () => macosPlatformWithShorebirdPublicKey,
+    FeatureFlags: () => TestFeatureFlags(isMacOSEnabled: true),
+  });
 }