Force plugin transitive dependencies to an ARC compatible version (flutter#124527)

Cherry-pick flutter#124349 onto stable.

CP request at flutter#124529

Author: jmagman

dev/devicelab/lib/tasks/plugin_tests.dart

@@ -201,12 +201,19 @@ class $dartPluginClass {
     if (!podspecContent.contains(versionString)) {
       throw TaskResult.failure('Update this test to match plugin minimum $target deployment version');
     }
-    podspecContent = podspecContent.replaceFirst(
-      versionString,
-      target == 'ios'
-          ? "s.platform = :ios, '10.0'"
-          : "s.platform = :osx, '10.8'"
-    );
+    // Add transitive dependency on AppAuth 1.6 targeting iOS 8 and macOS 10.9, which no longer builds in Xcode
+    // to test the version is forced higher and builds.
+    const String iosContent = '''
+s.platform = :ios, '10.0'
+s.dependency 'AppAuth', '1.6.0'
+''';
+
+    const String macosContent = '''
+s.platform = :osx, '10.8'
+s.dependency 'AppAuth', '1.6.0'
+''';
+
+    podspecContent = podspecContent.replaceFirst(versionString, target == 'ios' ? iosContent : macosContent);
     podspec.writeAsStringSync(podspecContent, flush: true);
   }
 
@@ -226,7 +233,8 @@ class $dartPluginClass {
         // but the range of supported deployment target versions is 9.0 to 14.0.99.
         //
         // (or "The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET'"...)
-        if (buildOutput.contains('the range of supported deployment target versions')) {
+        if (buildOutput.contains('is set to 10.0, but the range of supported deployment target versions') ||
+            buildOutput.contains('is set to 10.8, but the range of supported deployment target versions')) {
           throw TaskResult.failure('Minimum plugin version warning present');
         }
 
@@ -244,15 +252,23 @@ class $dartPluginClass {
             if (podsProjectContent.contains('IPHONEOS_DEPLOYMENT_TARGET = 10')) {
               throw TaskResult.failure('Plugin build setting IPHONEOS_DEPLOYMENT_TARGET not removed');
             }
+            // Transitive dependency AppAuth targeting too-low 8.0 was not fixed.
+            if (podsProjectContent.contains('IPHONEOS_DEPLOYMENT_TARGET = 8')) {
+              throw TaskResult.failure('Transitive dependency build setting IPHONEOS_DEPLOYMENT_TARGET=8 not removed');
+            }
             if (!podsProjectContent.contains(r'"EXCLUDED_ARCHS[sdk=iphonesimulator*]" = "$(inherited) i386";')) {
               throw TaskResult.failure(r'EXCLUDED_ARCHS is not "$(inherited) i386"');
             }
-          }
-
-          // Same for macOS deployment target, but 10.8.
-          // The plugintest target should not have MACOSX_DEPLOYMENT_TARGET set.
-          if (target == 'macos' && podsProjectContent.contains('MACOSX_DEPLOYMENT_TARGET = 10.8')) {
-            throw TaskResult.failure('Plugin build setting MACOSX_DEPLOYMENT_TARGET not removed');
+          } else if (target == 'macos') {
+            // Same for macOS deployment target, but 10.8.
+            // The plugintest target should not have MACOSX_DEPLOYMENT_TARGET set.
+            if (podsProjectContent.contains('MACOSX_DEPLOYMENT_TARGET = 10.8')) {
+              throw TaskResult.failure('Plugin build setting MACOSX_DEPLOYMENT_TARGET not removed');
+            }
+            // Transitive dependency AppAuth targeting too-low 10.9 was not fixed.
+            if (podsProjectContent.contains('MACOSX_DEPLOYMENT_TARGET = 10.9')) {
+              throw TaskResult.failure('Transitive dependency build setting MACOSX_DEPLOYMENT_TARGET=10.9 not removed');
+            }
           }
         }
       }

packages/flutter_tools/bin/podhelper.rb

@@ -34,6 +34,9 @@ def flutter_additional_ios_build_settings(target)
   # [target.deployment_target] is a [String] formatted as "8.0".
   inherit_deployment_target = target.deployment_target[/\d+/].to_i < 11
 
+  # ARC code targeting iOS 8 does not build on Xcode 14.3.
+  force_to_arc_supported_min = target.deployment_target[/\d+/].to_i < 9
+
   # This podhelper script is at $FLUTTER_ROOT/packages/flutter_tools/bin.
   # Add search paths from $FLUTTER_ROOT/bin/cache/artifacts/engine.
   artifacts_dir = File.join('..', '..', '..', '..', 'bin', 'cache', 'artifacts', 'engine')
@@ -62,6 +65,9 @@ def flutter_additional_ios_build_settings(target)
       build_configuration.build_settings['EXPANDED_CODE_SIGN_IDENTITY'] = '-'
     end
 
+    # ARC code targeting iOS 8 does not build on Xcode 14.3. Force to at least iOS 9.
+    build_configuration.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '9.0' if force_to_arc_supported_min
+
     # Skip other updates if it's not a Flutter plugin (transitive dependency).
     next unless target.dependencies.any? { |dependency| dependency.name == 'Flutter' }
 
@@ -99,12 +105,14 @@ def flutter_additional_ios_build_settings(target)
 def flutter_additional_macos_build_settings(target)
   return unless target.platform_name == :osx
 
-  # Return if it's not a Flutter plugin (transitive dependency).
-  return unless target.dependencies.any? { |dependency| dependency.name == 'FlutterMacOS' }
-
   # [target.deployment_target] is a [String] formatted as "10.8".
   deployment_target_major, deployment_target_minor = target.deployment_target.match(/(\d+).?(\d*)/).captures
 
+  # ARC code targeting macOS 10.10 does not build on Xcode 14.3.
+  force_to_arc_supported_min = !target.deployment_target.blank? &&
+                                  (deployment_target_major.to_i < 10) ||
+                                  (deployment_target_major.to_i == 10 && deployment_target_minor.to_i < 11)
+
   # Suppress warning when pod supports a version lower than the minimum supported by the latest stable version of Xcode (currently 10.14).
   # This warning is harmless but confusing--it's not a bad thing for dependencies to support a lower version.
   inherit_deployment_target = !target.deployment_target.blank? &&
@@ -123,6 +131,12 @@ def flutter_additional_macos_build_settings(target)
   end
 
   target.build_configurations.each do |build_configuration|
+    # ARC code targeting macOS 10.10 does not build on Xcode 14.3. Force to at least macOS 10.11.
+    build_configuration.build_settings['MACOSX_DEPLOYMENT_TARGET'] = '10.11' if force_to_arc_supported_min
+
+    # Skip other updates if it's not a Flutter plugin (transitive dependency).
+    next unless target.dependencies.any? { |dependency| dependency.name == 'FlutterMacOS' }
+
     # Profile can't be derived from the CocoaPods build configuration. Use release framework (for linking only).
     configuration_engine_dir = build_configuration.type == :debug ? debug_framework_dir : release_framework_dir
     build_configuration.build_settings['FRAMEWORK_SEARCH_PATHS'] = "\"#{configuration_engine_dir}\" $(inherited)"