Build iOS apps using Swift Packages (flutter#73508)

Author: jmagman

dev/benchmarks/complex_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -26,6 +26,13 @@ abstract class ProjectMigrator {
   }
 
   @protected
+  String migrateFileContents(String fileContents) {
+    return fileContents;
+  }
+
+  @protected
+  /// Calls [migrateLine] per line, then [migrateFileContents]
+  /// including the line migrations.
   void processFileLines(File file) {
     final List<String> lines = file.readAsLinesSync();
 
@@ -51,9 +58,16 @@ abstract class ProjectMigrator {
       newProjectContents.writeln(newProjectLine);
     }
 
+    final String projectContentsWithMigratedLines = newProjectContents.toString();
+    final String projectContentsWithMigratedContents = migrateFileContents(projectContentsWithMigratedLines);
+    if (projectContentsWithMigratedLines != projectContentsWithMigratedContents) {
+      logger.printTrace('Migrating $basename contents');
+      migrationRequired = true;
+    }
+
     if (migrationRequired) {
       logger.printStatus('Upgrading $basename');
-      file.writeAsStringSync(newProjectContents.toString());
+      file.writeAsStringSync(projectContentsWithMigratedContents);
     }
   }
 }

dev/benchmarks/macrobenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -25,6 +25,7 @@ import '../reporting/reporting.dart';
 import 'code_signing.dart';
 import 'devices.dart';
 import 'migrations/project_base_configuration_migration.dart';
+import 'migrations/project_build_location_migration.dart';
 import 'migrations/remove_framework_link_and_embedding_migration.dart';
 import 'migrations/xcode_build_system_migration.dart';
 import 'xcodeproj.dart';
@@ -106,6 +107,7 @@ Future<XcodeBuildResult> buildXcodeProject({
     RemoveFrameworkLinkAndEmbeddingMigration(app.project, globals.logger, globals.xcode, globals.flutterUsage),
     XcodeBuildSystemMigration(app.project, globals.logger),
     ProjectBaseConfigurationMigration(app.project, globals.logger),
+    ProjectBuildLocationMigration(app.project, globals.logger),
   ];
 
   final ProjectMigration migration = ProjectMigration(migrators);

dev/benchmarks/microbenchmarks/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,49 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import '../../base/file_system.dart';
+import '../../base/logger.dart';
+import '../../base/project_migrator.dart';
+import '../../project.dart';
+
+// Update the xcodeproj build location. Legacy build location does not work with Swift Packages.
+class ProjectBuildLocationMigration extends ProjectMigrator {
+  ProjectBuildLocationMigration(
+    IosProject project,
+    Logger logger,
+  ) : _xcodeProjectWorkspaceData = project.xcodeProjectWorkspaceData,
+      super(logger);
+
+  final File _xcodeProjectWorkspaceData;
+
+  @override
+  bool migrate() {
+    if (!_xcodeProjectWorkspaceData.existsSync()) {
+      logger.printTrace('Xcode project workspace data not found, skipping build location migration.');
+      return true;
+    }
+
+    processFileLines(_xcodeProjectWorkspaceData);
+    return true;
+  }
+
+  @override
+  String migrateLine(String line) {
+    const String legacyBuildLocation = 'location = "group:Runner.xcodeproj"';
+    const String defaultBuildLocation = 'location = "self:"';
+
+    return line.replaceAll(legacyBuildLocation, defaultBuildLocation);
+  }
+
+  @override
+  String migrateFileContents(String fileContents) {
+    const String podLocation = '''
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+''';
+
+    return fileContents.replaceAll(podLocation, '');
+  }
+}

dev/benchmarks/platform_views_layout/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -446,6 +446,11 @@ class IosProject extends FlutterProjectPlatform implements XcodeBasedProject {
   @override
   File get xcodeProjectInfoFile => xcodeProject.childFile('project.pbxproj');
 
+  File get xcodeProjectWorkspaceData =>
+    xcodeProject
+    .childDirectory('project.xcworkspace')
+    .childFile('contents.xcworkspacedata');
+
   @override
   Directory get xcodeWorkspace => hostAppRoot.childDirectory('$_hostAppProjectName.xcworkspace');