Allow specifying a project for Xcode getInfo (#39782)

Avoids unnecessarily breaking projects that have another .xcodeproj in
their macos/ directory, which worked until the addition of the getInfo
call.

packages/flutter_tools/lib/src/ios/xcodeproj.dart

@@ -324,9 +324,11 @@ class XcodeProjectInterpreter {
     ], workingDirectory: fs.currentDirectory.path);
   }
 
-  Future<XcodeProjectInfo> getInfo(String projectPath) async {
+  Future<XcodeProjectInfo> getInfo(String projectPath, {String projectFilename}) async {
     final RunResult result = await runCheckedAsync(<String>[
-      _executable, '-list',
+      _executable,
+      '-list',
+      if (projectFilename != null) ...<String>['-project', projectFilename],
     ], workingDirectory: projectPath);
     return XcodeProjectInfo.fromXcodeBuildOutput(result.toString());
   }

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

@@ -44,9 +44,12 @@ Future<void> buildMacOS({
     flutterProject.macos.outputFileList.createSync(recursive: true);
   }
 
-  final Directory xcodeWorkspace = flutterProject.macos.xcodeWorkspace;
+  final Directory xcodeProject = flutterProject.macos.xcodeProject;
 
-  final XcodeProjectInfo projectInfo = await xcodeProjectInterpreter.getInfo(xcodeWorkspace.parent.path);
+  final XcodeProjectInfo projectInfo = await xcodeProjectInterpreter.getInfo(
+    xcodeProject.parent.path,
+    projectFilename: xcodeProject.basename,
+  );
   final String scheme = projectInfo.schemeFor(buildInfo);
   if (scheme == null) {
     throwToolExit('Unable to find expected scheme in Xcode project.');
@@ -62,7 +65,7 @@ Future<void> buildMacOS({
     '/usr/bin/env',
     'xcrun',
     'xcodebuild',
-    '-workspace', xcodeWorkspace.path,
+    '-workspace', flutterProject.macos.xcodeWorkspace.path,
     '-configuration', '$configuration',
     '-scheme', 'Runner',
     '-derivedDataPath', flutterBuildDir.absolute.path,
@@ -92,4 +95,4 @@ Future<void> buildMacOS({
     throwToolExit('Build process failed');
   }
   flutterUsage.sendTiming('build', 'xcode-macos', Duration(milliseconds: sw.elapsedMilliseconds));
-}
\ No newline at end of file
+}

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

@@ -25,7 +25,7 @@ import '../../src/testbed.dart';
 
 class FakeXcodeProjectInterpreterWithProfile extends FakeXcodeProjectInterpreter {
   @override
-  Future<XcodeProjectInfo> getInfo(String projectPath) async {
+  Future<XcodeProjectInfo> getInfo(String projectPath, {String projectFilename}) async {
     return XcodeProjectInfo(
       <String>['Runner'],
       <String>['Debug', 'Profile', 'Release'],

packages/flutter_tools/test/general.shard/commands/clean_test.dart

@@ -90,7 +90,7 @@ class MockXcode extends Mock implements Xcode {}
 
 class MockXcodeProjectInterpreter extends Mock implements XcodeProjectInterpreter {
   @override
-  Future<XcodeProjectInfo> getInfo(String projectPath) async {
+  Future<XcodeProjectInfo> getInfo(String projectPath, {String projectFilename}) async {
     return XcodeProjectInfo(null, null, <String>['Runner']);
   }
 }

packages/flutter_tools/test/src/context.dart

@@ -349,7 +349,7 @@ class FakeXcodeProjectInterpreter implements XcodeProjectInterpreter {
   }
 
   @override
-  Future<XcodeProjectInfo> getInfo(String projectPath) async {
+  Future<XcodeProjectInfo> getInfo(String projectPath, {String projectFilename}) async {
     return XcodeProjectInfo(
       <String>['Runner'],
       <String>['Debug', 'Release'],