parse build version on xcodeproj (#105908)

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

@@ -47,6 +47,7 @@ class XcodeProjectInterpreter {
     required FileSystem fileSystem,
     required Usage usage,
     Version? version,
+    String? build,
   }) : _platform = platform,
         _fileSystem = fileSystem,
         _logger = logger,
@@ -58,6 +59,7 @@ class XcodeProjectInterpreter {
           processManager: processManager,
         ),
         _version = version,
+        _build = build,
         _versionText = version?.toString(),
         _usage = usage;
 
@@ -70,6 +72,7 @@ class XcodeProjectInterpreter {
   factory XcodeProjectInterpreter.test({
     required ProcessManager processManager,
     Version? version = const Version.withText(1000, 0, 0, '1000.0.0'),
+    String? build = '13C100',
   }) {
     final Platform platform = FakePlatform(
       operatingSystem: 'macos',
@@ -82,6 +85,7 @@ class XcodeProjectInterpreter {
       usage: TestUsage(),
       logger: BufferLogger.test(),
       version: version,
+      build: build,
     );
   }
 
@@ -91,8 +95,7 @@ class XcodeProjectInterpreter {
   final OperatingSystemUtils _operatingSystemUtils;
   final Logger _logger;
   final Usage _usage;
-
-  static final RegExp _versionRegex = RegExp(r'Xcode ([0-9.]+)');
+  static final RegExp _versionRegex = RegExp(r'Xcode ([0-9.]+).*Build version (\w+)');
 
   void _updateVersion() {
     if (!_platform.isMacOS || !_fileSystem.file('/usr/bin/xcodebuild').existsSync()) {
@@ -118,6 +121,7 @@ class XcodeProjectInterpreter {
       final int minorVersion = components.length < 2 ? 0 : int.parse(components[1]);
       final int patchVersion = components.length < 3 ? 0 : int.parse(components[2]);
       _version = Version(majorVersion, minorVersion, patchVersion);
+      _build = match.group(2);
     } on ProcessException {
       // Ignored, leave values null.
     }
@@ -134,6 +138,7 @@ class XcodeProjectInterpreter {
   }
 
   Version? _version;
+  String? _build;
   Version? get version {
     if (_version == null) {
       _updateVersion();
@@ -141,6 +146,13 @@ class XcodeProjectInterpreter {
     return _version;
   }
 
+  String? get build {
+    if (_build == null) {
+      _updateVersion();
+    }
+    return _build;
+  }
+
   /// The `xcrun` Xcode command to run or locate development
   /// tools and properties.
   ///

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

@@ -101,6 +101,8 @@ class Xcode {
 
   Version? get currentVersion => _xcodeProjectInterpreter.version;
 
+  String? get buildVersion => _xcodeProjectInterpreter.build;
+
   String? get versionText => _xcodeProjectInterpreter.versionText;
 
   bool? _eulaSigned;

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

@@ -37,6 +37,9 @@ class XcodeValidator extends DoctorValidator {
           xcodeVersionInfo = xcodeVersionInfo.substring(0, xcodeVersionInfo.indexOf(','));
         }
       }
+      if (_xcode.buildVersion != null) {
+        messages.add(ValidationMessage('Build ${_xcode.buildVersion}'));
+      }
       if (!_xcode.isInstalledAndMeetsVersionCheck) {
         xcodeStatus = ValidationType.partial;
         messages.add(ValidationMessage.error(_userMessages.xcodeOutdated(xcodeRequiredVersion.toString())));

packages/flutter_tools/test/general.shard/ios/xcodeproj_test.dart

@@ -146,6 +146,7 @@ void main() {
     ]);
 
     expect(xcodeProjectInterpreter.version, Version(11, 4, 1));
+    expect(xcodeProjectInterpreter.build, '11N111s');
     expect(fakeProcessManager, hasNoRemainingExpectations);
   });
 
@@ -173,6 +174,7 @@ void main() {
       ),
     ]);
     expect(xcodeProjectInterpreter.version, isNull);
+    expect(xcodeProjectInterpreter.build, isNull);
     expect(fakeProcessManager, hasNoRemainingExpectations);
   });
 

packages/flutter_tools/test/general.shard/macos/xcode_validator_test.dart

@@ -183,11 +183,12 @@ void main() {
       final XcodeValidator validator = XcodeValidator(xcode: xcode, userMessages: UserMessages());
       final ValidationResult result = await validator.validate();
       expect(result.type, ValidationType.installed);
-      expect(result.messages.length, 1);
+      expect(result.messages.length, 2);
       final ValidationMessage firstMessage = result.messages.first;
       expect(firstMessage.type, ValidationMessageType.information);
       expect(firstMessage.message, 'Xcode at /Library/Developer/CommandLineTools');
       expect(result.statusInfo, '1000.0.0');
+      expect(result.messages[1].message, 'Build 13C100');
     });
   });
 }

packages/flutter_tools/test/src/context.dart

@@ -296,6 +296,9 @@ class FakeXcodeProjectInterpreter implements XcodeProjectInterpreter {
   @override
   Version get version => Version(13, null, null);
 
+  @override
+  String get build => '13C100';
+
   @override
   Future<Map<String, String>> getBuildSettings(
     String projectPath, {