Put the analytics UI behind a flag.

pkg/analysis_server/lib/src/server/driver.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:async';
 import 'dart:io';
 import 'dart:math';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/server/diagnostic_server.dart';
@@ skipping 302 matching lines @@
       analytics.setSessionValue('aiid', analysisServerOptions.clientId);
     }
     if (analysisServerOptions.clientVersion != null) {
       analytics.setSessionValue('cd1', analysisServerOptions.clientVersion);
     }
 
     // TODO(devoncarew): Replace with the real crash product ID.
     analysisServerOptions.crashReportSender =
         new CrashReportSender('Dart_analysis_server', analytics);
 
-    if (results.wasParsed(ANALYTICS_FLAG)) {
-      analytics.enabled = results[ANALYTICS_FLAG];
-      print(telemetry.createAnalyticsStatusMessage(analytics.enabled));
-      return null;
+    if (telemetry.SHOW_ANALYTICS_UI) {
+      if (results.wasParsed(ANALYTICS_FLAG)) {
+        analytics.enabled = results[ANALYTICS_FLAG];
+        print(telemetry.createAnalyticsStatusMessage(analytics.enabled));
+        return null;
+      }
     }
 
     if (results[DARTPAD_OPTION]) {
       UriContributor.suggestFilePaths = false;
     }
 
     if (results[HELP_OPTION]) {
       _printUsage(parser.parser, analytics, fromHelp: true);
       return null;
     }
@@ skipping 151 matching lines @@
         defaultsTo: false,
         negatable: false);
     parser.addOption(INSTRUMENTATION_LOG_FILE,
         help: "write instrumentation data to the given file");
     parser.addFlag(INTERNAL_PRINT_TO_CONSOLE,
         help: "enable sending `print` output to the console",
         defaultsTo: false,
         negatable: false);
     parser.addOption(NEW_ANALYSIS_DRIVER_LOG,
         help: "set a destination for the new analysis driver's log");
-    parser.addFlag(ANALYTICS_FLAG,
-        help: 'enable or disable sending analytics information to Google');
+    if (telemetry.SHOW_ANALYTICS_UI) {
+      parser.addFlag(ANALYTICS_FLAG,
+          help: 'enable or disable sending analytics information to Google');
+    }
     parser.addFlag(SUPPRESS_ANALYTICS_FLAG,
         negatable: false, help: 'suppress analytics for this session');
     parser.addOption(PORT_OPTION,
         help: "the http diagnostic port on which the server provides"
             " status and performance information");
     parser.addOption(SDK_OPTION, help: "[path] the path to the sdk");
     parser.addFlag(USE_ANALYSIS_HIGHLIGHT2,
         help: "enable version 2 of semantic highlight",
         defaultsTo: false,
         negatable: false);
@@ skipping 24 matching lines @@
   /**
    * Print information about how to use the server.
    */
   void _printUsage(ArgParser parser, telemetry.Analytics analytics,
       {bool fromHelp: false}) {
     print('Usage: $BINARY_NAME [flags]');
     print('');
     print('Supported flags are:');
     print(parser.usage);
 
-    // Print analytics status and information.
-    if (fromHelp) {
+    if (telemetry.SHOW_ANALYTICS_UI) {
+      // Print analytics status and information.
+      if (fromHelp) {
+        print('');
+        print(telemetry.analyticsNotice);
+      }
       print('');
-      print(telemetry.analyticsNotice);
+      print(telemetry.createAnalyticsStatusMessage(analytics.enabled,
+          command: ANALYTICS_FLAG));
     }
-    print('');
-    print(telemetry.createAnalyticsStatusMessage(analytics.enabled,
-        command: ANALYTICS_FLAG));
   }
 
   /**
    * Read the UUID from disk, generating and storing a new one if necessary.
    */
   String _readUuid(InstrumentationService service) {
     File uuidFile = new File(PhysicalResourceProvider.INSTANCE
         .getStateLocation('.instrumentation')
         .getChild('uuid.txt')
         .path);
@@ skipping 46 matching lines @@
 
   _DiagnosticServerImpl();
 
   @override
   Future<int> getServerPort() => httpServer.serveHttp();
 
   Future startOnPort(int port) {
     return httpServer.serveHttp(port);
   }
 }