Update analytics constructor to include `FLUTTER_HOST` (#138107)

Fixes issues:
- https://github.com/flutter/flutter/issues/138035

Similar to GA3, we will now record the host running the flutter tool, such as VSCode, stored in the `FLUTTER_HOST` env variable

packages/flutter_tools/lib/src/context_runner.dart

@@ -93,6 +93,7 @@ Future<T> runInContext<T>(
         runningOnBot: runningOnBot,
         flutterVersion: globals.flutterVersion,
         environment: globals.platform.environment,
+        clientIde: globals.platform.environment['FLUTTER_HOST'],
       ),
       AndroidBuilder: () => AndroidGradleBuilder(
         java: globals.java,

packages/flutter_tools/lib/src/reporting/unified_analytics.dart

@@ -19,6 +19,7 @@ Analytics getAnalytics({
   required bool runningOnBot,
   required FlutterVersion flutterVersion,
   required Map<String, String> environment,
+  required String? clientIde,
   bool enableAsserts = false,
   FakeAnalytics? analyticsOverride,
 }) {
@@ -48,5 +49,6 @@ Analytics getAnalytics({
     flutterVersion: flutterVersion.frameworkVersion,
     dartVersion: flutterVersion.dartSdkVersion,
     enableAsserts: enableAsserts,
+    clientIde: clientIde,
   );
 }

packages/flutter_tools/test/general.shard/unified_analytics_test.dart

@@ -8,10 +8,12 @@ import 'package:flutter_tools/src/reporting/unified_analytics.dart';
 import 'package:unified_analytics/unified_analytics.dart';
 
 import '../src/common.dart';
+import '../src/context.dart';
 import '../src/fakes.dart';
 
 void main() {
   const String userBranch = 'abc123';
+  const String clientIde = 'VSCode';
 
   late FileSystem fs;
   late FakeAnalytics analyticsOverride;
@@ -24,6 +26,7 @@ void main() {
       fakeFlutterVersion: FakeFlutterVersion(
         branch: userBranch,
       ),
+      clientIde: clientIde,
     );
   });
 
@@ -34,6 +37,7 @@ void main() {
         flutterVersion: FakeFlutterVersion(),
         environment: const <String, String>{},
         analyticsOverride: analyticsOverride,
+        clientIde: clientIde,
       );
 
       expect(analytics.clientId, isNot(NoOpAnalytics.staticClientId),
@@ -50,6 +54,7 @@ void main() {
         ),
         environment: const <String, String>{},
         analyticsOverride: analyticsOverride,
+        clientIde: clientIde,
       );
 
       expect(
@@ -68,6 +73,7 @@ void main() {
         ),
         environment: const <String, String>{},
         analyticsOverride: analyticsOverride,
+        clientIde: clientIde,
       );
 
       expect(
@@ -84,6 +90,7 @@ void main() {
         flutterVersion: FakeFlutterVersion(),
         environment: const <String, String>{},
         analyticsOverride: analyticsOverride,
+        clientIde: clientIde,
       );
 
       expect(
@@ -96,10 +103,11 @@ void main() {
 
     testWithoutContext('NoOp instance when suppressing via env variable', () {
       final Analytics analytics = getAnalytics(
-        runningOnBot: true,
+        runningOnBot: false,
         flutterVersion: FakeFlutterVersion(),
         environment: const <String, String>{'FLUTTER_SUPPRESS_ANALYTICS': 'true'},
         analyticsOverride: analyticsOverride,
+        clientIde: clientIde,
       );
 
       expect(
@@ -121,5 +129,18 @@ void main() {
 
       expect(analyticsOverride.sentEvents, hasLength(1));
     });
+
+    testUsingContext('Client IDE is passed and found in events', () {
+      final Analytics analytics = getAnalytics(
+        runningOnBot: false,
+        flutterVersion: FakeFlutterVersion(),
+        environment: const <String, String>{},
+        analyticsOverride: analyticsOverride,
+        clientIde: clientIde,
+      );
+      analytics as FakeAnalytics;
+
+      expect(analytics.userProperty.clientIde, 'VSCode');
+    });
   });
 }

packages/flutter_tools/test/src/common.dart

@@ -320,6 +320,7 @@ class FileExceptionHandler {
 FakeAnalytics getInitializedFakeAnalyticsInstance({
   required FileSystem fs,
   required FakeFlutterVersion fakeFlutterVersion,
+  String? clientIde,
 }) {
   final Directory homeDirectory = fs.directory('/');
   final FakeAnalytics initialAnalytics = FakeAnalytics(
@@ -343,5 +344,6 @@ FakeAnalytics getInitializedFakeAnalyticsInstance({
     surveyHandler: SurveyHandler(homeDirectory: homeDirectory, fs: fs),
     flutterChannel: fakeFlutterVersion.channel,
     flutterVersion: fakeFlutterVersion.getVersionString(),
+    clientIde: clientIde,
   );
 }