reduce pub output from flutter create (#118285)

* reduce pub output from flutter create

* fix fake Pub implementations

* fix tests

* Update pub.dart

* replace enum with simpler boolean

* fix tests

* Revert "fix tests"

This reverts commit 8a3182d3b95d4f2bf337343cdb76e88c2f428ca8.

* Revert "replace enum with simpler boolean"

This reverts commit 445dbc443db4eb5ce284f76749f60e81208b8783.

* go back to using an enum

packages/flutter_tools/lib/src/commands/create.dart

@@ -414,6 +414,7 @@ class CreateCommand extends CreateBase {
         context: pubContext,
         project: project,
         offline: boolArgDeprecated('offline'),
+        outputMode: PubOutputMode.summaryOnly,
       );
       await project.ensureReadyForPlatformSpecificTooling(
         androidPlatform: includeAndroid,

packages/flutter_tools/lib/src/commands/update_packages.dart

@@ -444,7 +444,7 @@ class UpdatePackagesCommand extends FlutterCommand {
       upgrade: doUpgrade,
       offline: boolArgDeprecated('offline'),
       flutterRootOverride: temporaryFlutterSdk?.path,
-      printProgress: false,
+      outputMode: PubOutputMode.none,
     );
 
     if (doUpgrade) {
@@ -538,7 +538,7 @@ class UpdatePackagesCommand extends FlutterCommand {
             // All dependencies should already have been downloaded by the fake
             // package, so the concurrent checks can all happen offline.
             offline: true,
-            printProgress: false,
+            outputMode: PubOutputMode.none,
           );
           stopwatch.stop();
           final double seconds = stopwatch.elapsedMilliseconds / 1000.0;

packages/flutter_tools/lib/src/dart/pub.dart

@@ -140,6 +140,17 @@ class PubContext {
   }
 }
 
+/// Describes the amount of output that should get printed from a `pub` command.
+/// [PubOutputMode.all] indicates that the complete output is printed. This is
+/// typically the default.
+/// [PubOutputMode.none] indicates that no output should be printed.
+/// [PubOutputMode.summaryOnly] indicates that only summary information should be printed.
+enum PubOutputMode {
+  none,
+  all,
+  summaryOnly,
+}
+
 /// A handle for interacting with the pub tool.
 abstract class Pub {
   /// Create a default [Pub] instance.
@@ -172,6 +183,14 @@ abstract class Pub {
   /// If [shouldSkipThirdPartyGenerator] is true, the overall pub get will be
   /// skipped if the package config file has a "generator" other than "pub".
   /// Defaults to true.
+  ///
+  /// [outputMode] determines how verbose the output from `pub get` will be.
+  /// If [PubOutputMode.all] is used, `pub get` will print its typical output
+  /// which includes information about all changed dependencies. If
+  /// [PubOutputMode.summaryOnly] is used, only summary information will be printed.
+  /// This is useful for cases where the user is typically not interested in
+  /// what dependencies were changed, such as when running `flutter create`.
+  ///
   /// Will also resolve dependencies in the example folder if present.
   Future<void> get({
     required PubContext context,
@@ -181,7 +200,7 @@ abstract class Pub {
     String? flutterRootOverride,
     bool checkUpToDate = false,
     bool shouldSkipThirdPartyGenerator = true,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all
   });
 
   /// Runs pub in 'batch' mode.
@@ -221,7 +240,7 @@ abstract class Pub {
     required String command,
     bool touchesPackageConfig = false,
     bool generateSyntheticPackage = false,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all
   });
 }
 
@@ -286,7 +305,7 @@ class _DefaultPub implements Pub {
     String? flutterRootOverride,
     bool checkUpToDate = false,
     bool shouldSkipThirdPartyGenerator = true,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all
   }) async {
     final String directory = project.directory.path;
     final File packageConfigFile = project.packageConfigFile;
@@ -358,7 +377,7 @@ class _DefaultPub implements Pub {
       directory: directory,
       failureMessage: 'pub $command failed',
       flutterRootOverride: flutterRootOverride,
-      printProgress: printProgress
+      outputMode: outputMode,
     );
     await _updateVersionAndPackageConfig(project);
   }
@@ -375,7 +394,7 @@ class _DefaultPub implements Pub {
   Future<void> _runWithStdioInherited(
     List<String> arguments, {
     required String command,
-    required bool printProgress,
+    required PubOutputMode outputMode,
     required PubContext context,
     required String directory,
     String failureMessage = 'pub failed',
@@ -384,10 +403,10 @@ class _DefaultPub implements Pub {
     int exitCode;
 
     final List<String> pubCommand = _pubCommand(arguments);
-    final Map<String, String> pubEnvironment = await _createPubEnvironment(context, flutterRootOverride);
+    final Map<String, String> pubEnvironment = await _createPubEnvironment(context: context, flutterRootOverride: flutterRootOverride, summaryOnly: outputMode == PubOutputMode.summaryOnly);
 
     try {
-      if (printProgress) {
+      if (outputMode != PubOutputMode.none) {
         final io.Stdio? stdio = _stdio;
         if (stdio == null) {
           // Let pub inherit stdio and output directly to the tool's stdout and
@@ -450,8 +469,7 @@ class _DefaultPub implements Pub {
             ? 'exists'
             : 'does not exist';
         buffer.writeln('Working directory: "$directory" ($directoryExistsMessage)');
-        final Map<String, String> env = await _createPubEnvironment(context, flutterRootOverride);
-        buffer.write(_stringifyPubEnv(env));
+        buffer.write(_stringifyPubEnv(pubEnvironment));
         throw io.ProcessException(
           exception.executable,
           exception.arguments,
@@ -517,7 +535,7 @@ class _DefaultPub implements Pub {
     if (showTraceForErrors) {
       arguments.insert(0, '--trace');
     }
-    final Map<String, String> pubEnvironment = await _createPubEnvironment(context, flutterRootOverride);
+    final Map<String, String> pubEnvironment = await _createPubEnvironment(context: context, flutterRootOverride: flutterRootOverride);
     final List<String> pubCommand = _pubCommand(arguments);
     final int code = await _processUtils.stream(
         pubCommand,
@@ -557,14 +575,14 @@ class _DefaultPub implements Pub {
     required String command,
     bool touchesPackageConfig = false,
     bool generateSyntheticPackage = false,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all
   }) async {
     await _runWithStdioInherited(
       arguments,
       command: command,
       directory: _fileSystem.currentDirectory.path,
       context: context,
-      printProgress: printProgress,
+      outputMode: outputMode,
     );
     if (touchesPackageConfig && project != null) {
       await _updateVersionAndPackageConfig(project);
@@ -697,10 +715,15 @@ class _DefaultPub implements Pub {
   ///
   /// [context] provides extra information to package server requests to
   /// understand usage.
-  Future<Map<String, String>> _createPubEnvironment(PubContext context, [ String? flutterRootOverride ]) async {
+  Future<Map<String, String>> _createPubEnvironment({
+    required PubContext context,
+    String? flutterRootOverride,
+    bool? summaryOnly = false,
+  }) async {
     final Map<String, String> environment = <String, String>{
       'FLUTTER_ROOT': flutterRootOverride ?? Cache.flutterRoot!,
       _kPubEnvironmentKey: await _getPubEnvironmentValue(context),
+      if (summaryOnly ?? false) 'PUB_SUMMARY_ONLY': '1',
     };
     final String? pubCache = _getPubCacheIfAvailable();
     if (pubCache != null) {

packages/flutter_tools/test/commands.shard/hermetic/create_usage_test.dart

@@ -36,7 +36,7 @@ class FakePub extends Fake implements Pub {
     String? flutterRootOverride,
     bool checkUpToDate = false,
     bool shouldSkipThirdPartyGenerator = true,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all,
   }) async {
     project.directory.childFile('.packages').createSync();
     if (offline == true) {

packages/flutter_tools/test/commands.shard/hermetic/drive_test.dart

@@ -486,7 +486,7 @@ class FakePub extends Fake implements Pub {
     String? flutterRootOverride,
     bool checkUpToDate = false,
     bool shouldSkipThirdPartyGenerator = true,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all,
   }) async { }
 }
 

packages/flutter_tools/test/commands.shard/hermetic/pub_get_test.dart

@@ -190,7 +190,7 @@ class FakePub extends Fake implements Pub {
     required String command,
     bool touchesPackageConfig = false,
     bool generateSyntheticPackage = false,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all,
   }) async {
     if (project != null) {
       fileSystem.directory(project.directory)

packages/flutter_tools/test/commands.shard/hermetic/update_packages_test.dart

@@ -282,7 +282,7 @@ class FakePub extends Fake implements Pub {
     String? flutterRootOverride,
     bool checkUpToDate = false,
     bool shouldSkipThirdPartyGenerator = true,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all,
   }) async {
     pubGetDirectories.add(project.directory.path);
     project.directory.childFile('pubspec.lock')

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

@@ -1215,6 +1215,7 @@ class FakePub extends Fake implements Pub {
     bool checkUpToDate = false,
     bool shouldSkipThirdPartyGenerator = true,
     bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all,
   }) async {
     calledGet += 1;
   }

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

@@ -676,7 +676,7 @@ exit code: 66
       await pub.get(
         project: FlutterProject.fromDirectoryTest(fileSystem.currentDirectory),
         context: PubContext.flutterTests,
-        printProgress: false
+        outputMode: PubOutputMode.none,
       );
     } on ToolExit {
       // Ignore.

packages/flutter_tools/test/general.shard/runner/flutter_command_test.dart

@@ -956,7 +956,7 @@ class FakePub extends Fake implements Pub {
     String? flutterRootOverride,
     bool checkUpToDate = false,
     bool shouldSkipThirdPartyGenerator = true,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all,
   }) async { }
 }
 

packages/flutter_tools/test/src/throwing_pub.dart

@@ -29,7 +29,7 @@ class ThrowingPub implements Pub {
     String? flutterRootOverride,
     bool checkUpToDate = false,
     bool shouldSkipThirdPartyGenerator = true,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all,
   }) {
     throw UnsupportedError('Attempted to invoke pub during test.');
   }
@@ -42,7 +42,7 @@ class ThrowingPub implements Pub {
     required String command,
     bool touchesPackageConfig = false,
     bool generateSyntheticPackage = false,
-    bool printProgress = true,
+    PubOutputMode outputMode = PubOutputMode.all,
   }) {
     throw UnsupportedError('Attempted to invoke pub during test.');
   }