Reformat tools/ and utils/ using the 3.8 style.

Change-Id: I7b28583eb928f60a45d1f476194d197b4df88062
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425184
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Lasse Nielsen <lrn@google.com>
Reviewed-by: Nate Bosch <nbosch@google.com>
Commit-Queue: Nate Bosch <nbosch@google.com>

tools/copy_dart_to_flutter.dart

@@ -35,64 +35,58 @@ const _localFlutter = 'local-flutter';
 const _reset = 'reset';
 const _verbose = 'verbose';
 
-final _parser =
-    ArgParser()
-      ..addOption(
-        _architecture,
-        abbr: 'a',
-        help: 'Specify your machine\'s architecture.',
-        allowed: ['ARM64', 'X64'],
-        defaultsTo: 'ARM64',
-      )
-      ..addFlag(
-        _buildSdk,
-        negatable: true,
-        defaultsTo: true,
-        help:
-            'Whether to build the Dart SDK as part of running this script. '
-            'Negate with --no-$_buildSdk if you have already built the Dart '
-            'SDK locally and want to skip this step.',
-      )
-      ..addOption(
-        _localDart,
-        abbr: 'd',
-        help:
-            'Path to your local Dart SDK directory. If unspecified, this value '
-            'will default to the value of the LOCAL_DART_SDK environment '
-            'variable.',
-        valueHelp: '/Users/me/path/to/dart-sdk/sdk',
-      )
-      ..addOption(
-        _localFlutter,
-        abbr: 'f',
-        help:
-            'Path to your local Flutter SDK directory. If unspecified, this '
-            'value will default to the value of the LOCAL_FLUTTER_SDK '
-            'environment variable.',
-        valueHelp: '/Users/me/path/to/flutter',
-      )
-      ..addFlag(
-        _verbose,
-        negatable: false,
-        abbr: 'v',
-        help:
-            'Run the script with verbose output, which will forward the stdout '
-            'and stderr of all sub-processes.',
-      )
-      ..addFlag(
-        _help,
-        negatable: false,
-        abbr: 'h',
-        help: 'Show the program usage.',
-      )
-      ..addSeparator('Additional commands')
-      ..addFlag(
-        _reset,
-        negatable: false,
-        help:
-            'Reset your local Flutter SDK cache to undo the effects of running '
-            'this script.',
-      );
+final _parser = ArgParser()
+  ..addOption(
+    _architecture,
+    abbr: 'a',
+    help: 'Specify your machine\'s architecture.',
+    allowed: ['ARM64', 'X64'],
+    defaultsTo: 'ARM64',
+  )
+  ..addFlag(
+    _buildSdk,
+    negatable: true,
+    defaultsTo: true,
+    help: 'Whether to build the Dart SDK as part of running this script. '
+        'Negate with --no-$_buildSdk if you have already built the Dart '
+        'SDK locally and want to skip this step.',
+  )
+  ..addOption(
+    _localDart,
+    abbr: 'd',
+    help: 'Path to your local Dart SDK directory. If unspecified, this value '
+        'will default to the value of the LOCAL_DART_SDK environment '
+        'variable.',
+    valueHelp: '/Users/me/path/to/dart-sdk/sdk',
+  )
+  ..addOption(
+    _localFlutter,
+    abbr: 'f',
+    help: 'Path to your local Flutter SDK directory. If unspecified, this '
+        'value will default to the value of the LOCAL_FLUTTER_SDK '
+        'environment variable.',
+    valueHelp: '/Users/me/path/to/flutter',
+  )
+  ..addFlag(
+    _verbose,
+    negatable: false,
+    abbr: 'v',
+    help: 'Run the script with verbose output, which will forward the stdout '
+        'and stderr of all sub-processes.',
+  )
+  ..addFlag(
+    _help,
+    negatable: false,
+    abbr: 'h',
+    help: 'Show the program usage.',
+  )
+  ..addSeparator('Additional commands')
+  ..addFlag(
+    _reset,
+    negatable: false,
+    help: 'Reset your local Flutter SDK cache to undo the effects of running '
+        'this script.',
+  );
 
 void main(List<String> args) async {
   if (Platform.isWindows) {
@@ -115,8 +109,7 @@ void main(List<String> args) async {
 
   var localDartSdk =
       options.option(_localDart) ?? Platform.environment['LOCAL_DART_SDK'];
-  var localFlutterSdk =
-      options.option(_localFlutter) ??
+  var localFlutterSdk = options.option(_localFlutter) ??
       Platform.environment['LOCAL_FLUTTER_SDK'];
   if (localDartSdk == null || localFlutterSdk == null) {
     stderr.writeln(
@@ -131,10 +124,13 @@ void main(List<String> args) async {
 
   if (options.flag(_buildSdk)) {
     stdout.writeln('Building the Dart SDK...');
-    await _runCommand('./tools/build.py', [
-      '-mrelease',
-      'create_sdk',
-    ], workingDirectory: localDartSdk);
+    await _runCommand(
+        './tools/build.py',
+        [
+          '-mrelease',
+          'create_sdk',
+        ],
+        workingDirectory: localDartSdk);
   }
 
   await _deleteDartSdkInFlutterCache(localFlutterSdk);
@@ -184,8 +180,7 @@ void main(List<String> args) async {
 }
 
 Future<void> _resetLocalFlutterSdk(ArgResults options) async {
-  var localFlutterSdk =
-      options.option(_localFlutter) ??
+  var localFlutterSdk = options.option(_localFlutter) ??
       Platform.environment['LOCAL_FLUTTER_SDK'];
   if (localFlutterSdk == null) {
     stderr.writeln(

tools/find_builders.dart

@@ -27,11 +27,10 @@ Future<void> main(List<String> args) async {
     for (final testName in testNames) ...await _testGetConfigurations(testName),
   });
   final configurationBuilders = await _configurationBuilders();
-  final builders =
-      _filterBuilders({
-          for (final config in configurations) configurationBuilders[config]!,
-        }).toList()
-        ..sort();
+  final builders = _filterBuilders({
+    for (final config in configurations) configurationBuilders[config]!,
+  }).toList()
+    ..sort();
 
   final gerritTryList = builders.map((b) => '$b-try').join(',');
   print('Cq-Include-Trybots: dart/try:$gerritTryList');
@@ -116,10 +115,11 @@ Stream<Map<String, dynamic>> _configurationDocuments() async* {
 Future<Map<String, String>> _configurationBuilders() async {
   return {
     await for (final document in _configurationDocuments())
-      if (document case {
-        'name': String fullName,
-        'fields': {'builder': {'stringValue': String builder}},
-      })
+      if (document
+          case {
+            'name': String fullName,
+            'fields': {'builder': {'stringValue': String builder}},
+          })
         fullName.split('/').last: builder,
   };
 }

utils/bazel/kernel_worker.dart

@@ -25,7 +25,8 @@ main(List<String> args, SendPort? sendPort) async {
   if (args.contains('--persistent_worker')) {
     if (args.length != 1) {
       throw new StateError(
-          "unexpected args, expected only --persistent-worker but got: $args");
+        "unexpected args, expected only --persistent-worker but got: $args",
+      );
     }
     await new KernelWorker(sendPort: sendPort).run();
   } else {
@@ -43,10 +44,11 @@ class KernelWorker extends AsyncWorkerLoop {
   /// If [sendPort] is provided it is used for bazel worker communication
   /// instead of stdin/stdout.
   KernelWorker({SendPort? sendPort})
-      : super(
-            connection: sendPort == null
-                ? null
-                : SendPortAsyncWorkerConnection(sendPort));
+    : super(
+        connection: sendPort == null
+            ? null
+            : SendPortAsyncWorkerConnection(sendPort),
+      );
 
   Future<WorkResponse> performRequest(WorkRequest request) async {
     var outputBuffer = new StringBuffer();
@@ -65,11 +67,13 @@ class KernelWorker extends AsyncWorkerLoop {
         inputDigests[toUri(input.path)] = input.digest;
       }
 
-      var result = await computeKernel(request.arguments,
-          isWorker: true,
-          outputBuffer: outputBuffer,
-          inputDigests: inputDigests,
-          previousState: previousStateToPass);
+      var result = await computeKernel(
+        request.arguments,
+        isWorker: true,
+        outputBuffer: outputBuffer,
+        inputDigests: inputDigests,
+        previousState: previousStateToPass,
+      );
       previousState = result.previousState;
       if (!result.succeeded) {
         response.exitCode = 15;

utils/compiler/create_snapshot_entry.dart

@@ -27,7 +27,8 @@ Future<String> getVersion(var rootPath, bool noGitHash) {
 
 Future<String> getDart2jsSnapshotGenerationFile(var rootPath, bool noGitHash) {
   return getVersion(rootPath, noGitHash).then((version) {
-    var snapshotGenerationText = """
+    var snapshotGenerationText =
+        """
 import 'package:compiler/src/dart2js.dart' as dart2jsMain;
 
 void main(List<String> arguments) {