Add many more global analyses. (#47875)

* Update packages.

* Add many more global analyses.

* Catch trailing spaces and trailing newlines in all text files.
  Before we were only checking newly added files, but that means we
  missed some.

* Port the trailing spaces logic to work on Windows too.

* Correct all the files with trailing spaces and newlines.

* Refactor some of the dev/bots logic into a utils.dart library.
  Notably, the "exit" and "print" shims for testing are now usable
  from test.dart, analyze.dart, and run_command.dart.

* Add an "exitWithError" function that prints the red lines and
  then exits. This is the preferred way to exit from test.dart,
  analyze.dart, and run_command.dart.

* More consistency in the output of analyze.dart.

* Refactor analyze.dart to use the _allFiles file enumerating logic
  more widely.

* Add some double-checking logic to the _allFiles logic to catch
  cases where changes to that logic end up catching fewer files
  than expected (helps prevent future false positives).

* Add a check to prevent new binary files from being added to
  the repository. Grandfather in the binaries that we've already
  added.

* Update all the dependencies (needed because we now import crypto in
  dev/bots/analyze.dart).

dev/automated_tests/pubspec.yaml

@@ -19,13 +19,13 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -74,4 +74,4 @@ flutter:
   assets:
   - icon/
 
-# PUBSPEC CHECKSUM: ebc8
+# PUBSPEC CHECKSUM: b1cb

dev/benchmarks/complex_layout/fuchsia/meta/complex_layout.cmx

@@ -20,4 +20,3 @@
         ]
     }
 }
-

dev/benchmarks/complex_layout/pubspec.yaml

@@ -46,12 +46,12 @@ dev_dependencies:
   archive: 2.0.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.5.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -91,4 +91,4 @@ flutter:
     - packages/flutter_gallery_assets/people/square/ali.png
     - packages/flutter_gallery_assets/places/india_chettinad_silk_maker.png
 
-# PUBSPEC CHECKSUM: 4cef
+# PUBSPEC CHECKSUM: 06f2

dev/benchmarks/macrobenchmarks/pubspec.yaml

@@ -46,12 +46,12 @@ dev_dependencies:
   archive: 2.0.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.5.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -92,4 +92,4 @@ flutter:
   - packages/flutter_gallery_assets/food/cherry_pie.png
   - assets/999x1000.png
 
-# PUBSPEC CHECKSUM: 4cef
+# PUBSPEC CHECKSUM: 06f2

dev/benchmarks/microbenchmarks/pubspec.yaml

@@ -23,14 +23,14 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   dart_style: 1.3.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -79,4 +79,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: e51f
+# PUBSPEC CHECKSUM: 1d22

dev/bots/analyze.dart

@@ -4,15 +4,16 @@
 
 import 'dart:async';
 import 'dart:convert';
-import 'dart:core' as core_internals show print;
 import 'dart:core' hide print;
-import 'dart:io' as io_internals show exit;
 import 'dart:io' hide exit;
+import 'dart:typed_data';
 
-import 'package:path/path.dart' as path;
+import 'package:crypto/crypto.dart';
 import 'package:meta/meta.dart';
+import 'package:path/path.dart' as path;
 
 import 'run_command.dart';
+import 'utils.dart';
 
 final String flutterRoot = path.dirname(path.dirname(path.dirname(path.fromUri(Platform.script))));
 final String flutter = path.join(flutterRoot, 'bin', Platform.isWindows ? 'flutter.bat' : 'flutter');
@@ -20,28 +21,6 @@ final String dart = path.join(flutterRoot, 'bin', 'cache', 'dart-sdk', 'bin', Pl
 final String pub = path.join(flutterRoot, 'bin', 'cache', 'dart-sdk', 'bin', Platform.isWindows ? 'pub.bat' : 'pub');
 final String pubCache = path.join(flutterRoot, '.pub-cache');
 
-class ExitException implements Exception {
-  ExitException(this.exitCode);
-
-  final int exitCode;
-
-  void apply() {
-    io_internals.exit(exitCode);
-  }
-}
-
-// We actually reimplement exit() so that it uses exceptions rather
-// than truly immediately terminating the application, so that we can
-// test the exit code in unit tests (see test/analyze_test.dart).
-void exit(int exitCode) {
-  throw ExitException(exitCode);
-}
-
-typedef PrintCallback = void Function(Object line);
-
-// Allow print() to be overridden, for tests.
-PrintCallback print = core_internals.print;
-
 /// When you call this, you can pass additional arguments to pass custom
 /// arguments to flutter analyze. For example, you might want to call this
 /// script with the parameter --dart-sdk to use custom dart sdk.
@@ -55,17 +34,22 @@ Future<void> main(List<String> arguments) async {
   } on ExitException catch (error) {
     error.apply();
   }
-  print('${bold}DONE: Analysis successful.$reset');
+  print('$clock ${bold}Analysis successful.$reset');
 }
 
 Future<void> run(List<String> arguments) async {
   bool assertsEnabled = false;
   assert(() { assertsEnabled = true; return true; }());
   if (!assertsEnabled) {
-    print('The analyze.dart script must be run with --enable-asserts.');
-    exit(1);
+    exitWithError(<String>['The analyze.dart script must be run with --enable-asserts.']);
   }
 
+  print('$clock Unexpected binaries...');
+  await verifyNoBinaries(flutterRoot);
+
+  print('$clock Trailing spaces...');
+  await verifyNoTrailingSpaces(flutterRoot); // assumes no unexpected binaries, so should be after verifyNoBinaries
+
   print('$clock Deprecations...');
   await verifyDeprecations(flutterRoot);
 
@@ -90,22 +74,12 @@ Future<void> run(List<String> arguments) async {
   print('$clock Internationalization...');
   await verifyInternationalizations();
 
-  print('$clock Trailing spaces...');
-  await verifyNoTrailingSpaces();
-
   // Ensure that all package dependencies are in sync.
   print('$clock Package dependencies...');
   await runCommand(flutter, <String>['update-packages', '--verify-only'],
     workingDirectory: flutterRoot,
   );
 
-  // Analyze all the sample code in the repo
-  print('$clock Sample code...');
-  await runCommand(dart,
-    <String>[path.join(flutterRoot, 'dev', 'bots', 'analyze-sample-code.dart')],
-    workingDirectory: flutterRoot,
-  );
-
   // Analyze all the Dart code in the repo.
   print('$clock Dart analysis...');
   await _runFlutterAnalyze(flutterRoot, options: <String>[
@@ -123,6 +97,13 @@ Future<void> run(List<String> arguments) async {
     ...arguments,
   ]);
 
+  // Analyze all the sample code in the repo
+  print('$clock Sample code...');
+  await runCommand(dart,
+    <String>[path.join(flutterRoot, 'dev', 'bots', 'analyze-sample-code.dart')],
+    workingDirectory: flutterRoot,
+  );
+
   // Try analysis against a big version of the gallery; generate into a temporary directory.
   print('$clock Dart analysis (mega gallery)...');
   final Directory outDir = Directory.systemTemp.createTempSync('flutter_mega_gallery.');
@@ -164,9 +145,9 @@ const String _ignoreDeprecation = ' // ignore: flutter_deprecation_syntax (see a
 /// Some deprecation notices are grand-fathered in for now. They must have an issue listed.
 final RegExp _grandfatheredDeprecation = RegExp(r' // ignore: flutter_deprecation_syntax, https://github.com/flutter/flutter/issues/[0-9]+$');
 
-Future<void> verifyDeprecations(String workingDirectory) async {
+Future<void> verifyDeprecations(String workingDirectory, { int minimumMatches = 2000 }) async {
   final List<String> errors = <String>[];
-  for (File file in _allFiles(workingDirectory, 'dart')) {
+  for (File file in _allFiles(workingDirectory, 'dart', minimumMatches: minimumMatches)) {
     int lineNumber = 0;
     final List<String> lines = file.readAsLinesSync();
     final List<int> linesWithDeprecations = <int>[];
@@ -224,11 +205,10 @@ Future<void> verifyDeprecations(String workingDirectory) async {
   }
   // Fail if any errors
   if (errors.isNotEmpty) {
-    print('$redLine');
-    print(errors.join('\n'));
-    print('${bold}See: https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes$reset\n');
-    print('$redLine\n');
-    exit(1);
+    exitWithError(<String>[
+      ...errors,
+      '${bold}See: https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes$reset',
+    ]);
   }
 }
 
@@ -239,26 +219,27 @@ String _generateLicense(String prefix) {
          '${prefix}found in the LICENSE file.';
 }
 
-Future<void> verifyNoMissingLicense(String workingDirectory) async {
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'dart', _generateLicense('// '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'java', _generateLicense('// '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'h', _generateLicense('// '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'm', _generateLicense('// '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'swift', _generateLicense('// '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'gradle', _generateLicense('// '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'gn', _generateLicense('# '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'sh', '#!/usr/bin/env bash\n' + _generateLicense('# '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'bat', '@ECHO off\n' + _generateLicense('REM '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'ps1', _generateLicense('# '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'html', '<!DOCTYPE HTML>\n<!-- ${_generateLicense('')} -->', trailingBlank: false);
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'xml', '<!-- ${_generateLicense('')} -->');
+Future<void> verifyNoMissingLicense(String workingDirectory, { bool checkMinimums = true }) async {
+  final int overrideMinimumMatches = checkMinimums ? null : 0;
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'dart', overrideMinimumMatches ?? 2000, _generateLicense('// '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'java', overrideMinimumMatches ?? 40, _generateLicense('// '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'h', overrideMinimumMatches ?? 30, _generateLicense('// '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'm', overrideMinimumMatches ?? 30, _generateLicense('// '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'swift', overrideMinimumMatches ?? 10, _generateLicense('// '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'gradle', overrideMinimumMatches ?? 100, _generateLicense('// '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'gn', overrideMinimumMatches ?? 0, _generateLicense('# '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'sh', overrideMinimumMatches ?? 1, '#!/usr/bin/env bash\n' + _generateLicense('# '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'bat', overrideMinimumMatches ?? 1, '@ECHO off\n' + _generateLicense('REM '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'ps1', overrideMinimumMatches ?? 1, _generateLicense('# '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'html', overrideMinimumMatches ?? 1, '<!DOCTYPE HTML>\n<!-- ${_generateLicense('')} -->', trailingBlank: false);
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'xml', overrideMinimumMatches ?? 1, '<!-- ${_generateLicense('')} -->');
 }
 
-Future<void> _verifyNoMissingLicenseForExtension(String workingDirectory, String extension, String license, { bool trailingBlank = true }) async {
+Future<void> _verifyNoMissingLicenseForExtension(String workingDirectory, String extension, int minimumMatches, String license, { bool trailingBlank = true }) async {
   assert(!license.endsWith('\n'));
   final String licensePattern = license + '\n' + (trailingBlank ? '\n' : '');
   final List<String> errors = <String>[];
-  for (File file in _allFiles(workingDirectory, extension)) {
+  for (File file in _allFiles(workingDirectory, extension, minimumMatches: minimumMatches)) {
     final String contents = file.readAsStringSync().replaceAll('\r\n', '\n');
     if (contents.isEmpty)
       continue; // let's not go down the /bin/true rabbit hole
@@ -267,16 +248,14 @@ Future<void> _verifyNoMissingLicenseForExtension(String workingDirectory, String
   }
   // Fail if any errors
   if (errors.isNotEmpty) {
-    print('$redLine');
     final String s = errors.length == 1 ? ' does' : 's do';
-    print('${bold}The following ${errors.length} file$s not have the right license header:$reset\n');
-    print(errors.join('\n'));
-    print('$redLine\n');
-    print('The expected license header is:');
-    print('$license');
-    if (trailingBlank)
-      print('...followed by a blank line.');
-    exit(1);
+    exitWithError(<String>[
+      '${bold}The following ${errors.length} file$s not have the right license header:$reset',
+      ...errors,
+      'The expected license header is:',
+      license,
+      if (trailingBlank) '...followed by a blank line.',
+    ]);
   }
 }
 
@@ -290,10 +269,7 @@ const Set<String> _exemptTestImports = <String>{
 Future<void> verifyNoTestImports(String workingDirectory) async {
   final List<String> errors = <String>[];
   assert("// foo\nimport 'binding_test.dart' as binding;\n'".contains(_testImportPattern));
-  final Iterable<File> dartFiles = Directory(path.join(workingDirectory, 'packages'))
-    .listSync(recursive: true)
-    .whereType<File>()
-    .where((File file) => path.extension(file.path) == '.dart');
+  final List<File> dartFiles = _allFiles(path.join(workingDirectory, 'packages'), 'dart', minimumMatches: 1500).toList();
   for (File file in dartFiles) {
     for (String line in file.readAsLinesSync()) {
       final Match match = _testImportPattern.firstMatch(line);
@@ -303,22 +279,18 @@ Future<void> verifyNoTestImports(String workingDirectory) async {
   }
   // Fail if any errors
   if (errors.isNotEmpty) {
-    print('$redLine');
     final String s = errors.length == 1 ? '' : 's';
-    print('${bold}The following file$s import a test directly. Test utilities should be in their own file.$reset\n');
-    print(errors.join('\n'));
-    print('$redLine\n');
-    exit(1);
+    exitWithError(<String>[
+      '${bold}The following file$s import a test directly. Test utilities should be in their own file.$reset',
+      ...errors,
+    ]);
   }
 }
 
 Future<void> verifyNoTestPackageImports(String workingDirectory) async {
   // TODO(ianh): Remove this whole test once https://github.com/dart-lang/matcher/issues/98 is fixed.
   final List<String> shims = <String>[];
-  final List<String> errors = Directory(workingDirectory)
-    .listSync(recursive: true)
-    .whereType<File>()
-    .where((File file) => file.path.endsWith('.dart'))
+  final List<String> errors = _allFiles(workingDirectory, 'dart', minimumMatches: 2000)
     .map<String>((File file) {
       final String name = Uri.file(path.relative(file.path,
           from: workingDirectory)).toFilePath(windows: false);
@@ -376,16 +348,15 @@ Future<void> verifyNoTestPackageImports(String workingDirectory) async {
 
   // Fail if any errors
   if (errors.isNotEmpty) {
-    print('$redLine');
     final String s1 = errors.length == 1 ? 's' : '';
     final String s2 = errors.length == 1 ? '' : 's';
-    print('${bold}The following file$s2 use$s1 \'package:test\' incorrectly:$reset');
-    print(errors.join('\n'));
-    print('Rather than depending on \'package:test\' directly, use one of the shims:');
-    print(shims.join('\n'));
-    print('This insulates us from breaking changes in \'package:test\'.');
-    print('$redLine\n');
-    exit(1);
+    exitWithError(<String>[
+      '${bold}The following file$s2 use$s1 \'package:test\' incorrectly:$reset',
+      ...errors,
+      'Rather than depending on \'package:test\' directly, use one of the shims:',
+      ...shims,
+      'This insulates us from breaking changes in \'package:test\'.'
+    ]);
   }
 }
 
@@ -419,14 +390,11 @@ Future<void> verifyGeneratedPluginRegistrants(String flutterRoot) async {
   }
 
   if (outOfDate.isNotEmpty) {
-    print('$redLine');
-    print('${bold}The following GeneratedPluginRegistrants are out of date:$reset');
-    for (String registrant in outOfDate) {
-      print(' - $registrant');
-    }
-    print('\nRun "flutter inject-plugins" in the package that\'s out of date.');
-    print('$redLine');
-    exit(1);
+    exitWithError(<String>[
+      '${bold}The following GeneratedPluginRegistrants are out of date:$reset',
+      for (String registrant in outOfDate) ' - $registrant',
+      '\nRun "flutter inject-plugins" in the package that\'s out of date.',
+    ]);
   }
 }
 
@@ -478,24 +446,19 @@ Future<void> verifyNoBadImportsInFlutter(String workingDirectory) async {
   }
   // Fail if any errors
   if (errors.isNotEmpty) {
-    print('$redLine');
-    if (errors.length == 1) {
-      print('${bold}An error was detected when looking at import dependencies within the Flutter package:$reset\n');
-    } else {
-      print('${bold}Multiple errors were detected when looking at import dependencies within the Flutter package:$reset\n');
-    }
-    print(errors.join('\n\n'));
-    print('$redLine\n');
-    exit(1);
+    exitWithError(<String>[
+      if (errors.length == 1)
+        '${bold}An error was detected when looking at import dependencies within the Flutter package:$reset'
+      else
+        '${bold}Multiple errors were detected when looking at import dependencies within the Flutter package:$reset',
+      ...errors,
+    ]);
   }
 }
 
 Future<void> verifyNoBadImportsInFlutterTools(String workingDirectory) async {
   final List<String> errors = <String>[];
-  final Iterable<File> files = Directory(path.join(workingDirectory, 'packages', 'flutter_tools', 'lib'))
-    .listSync(recursive: true)
-    .whereType<File>()
-    .where((File file) => path.extension(file.path) == '.dart');
+  final List<File> files = _allFiles(path.join(workingDirectory, 'packages', 'flutter_tools', 'lib'), 'dart', minimumMatches: 200).toList();
   for (File file in files) {
     if (file.readAsStringSync().contains('package:flutter_tools/')) {
       errors.add('$yellow${file.path}$reset imports flutter_tools.');
@@ -503,15 +466,13 @@ Future<void> verifyNoBadImportsInFlutterTools(String workingDirectory) async {
   }
   // Fail if any errors
   if (errors.isNotEmpty) {
-    print('$redLine');
-    if (errors.length == 1) {
-      print('${bold}An error was detected when looking at import dependencies within the flutter_tools package:$reset\n');
-    } else {
-      print('${bold}Multiple errors were detected when looking at import dependencies within the flutter_tools package:$reset\n');
-    }
-    print(errors.join('\n\n'));
-    print('$redLine\n');
-    exit(1);
+    exitWithError(<String>[
+      if (errors.length == 1)
+        '${bold}An error was detected when looking at import dependencies within the flutter_tools package:$reset'
+      else
+        '${bold}Multiple errors were detected when looking at import dependencies within the flutter_tools package:$reset',
+      ...errors.map((String paragraph) => '$paragraph\n'),
+    ]);
   }
 }
 
@@ -539,65 +500,533 @@ Future<void> verifyInternationalizations() async {
   final String expectedCupertinoResult = await File(cupertinoLocalizationsFile).readAsString();
 
   if (materialGenResult.stdout.trim() != expectedMaterialResult.trim()) {
-    stderr
-      ..writeln('<<<<<<< $materialLocalizationsFile')
-      ..writeln(expectedMaterialResult.trim())
-      ..writeln('=======')
-      ..writeln(materialGenResult.stdout.trim())
-      ..writeln('>>>>>>> gen_localizations')
-      ..writeln('The contents of $materialLocalizationsFile are different from that produced by gen_localizations.')
-      ..writeln()
-      ..writeln('Did you forget to run gen_localizations.dart after updating a .arb file?');
-    exit(1);
+    exitWithError(<String>[
+      '<<<<<<< $materialLocalizationsFile',
+      expectedMaterialResult.trim(),
+      '=======',
+      materialGenResult.stdout.trim(),
+      '>>>>>>> gen_localizations',
+      'The contents of $materialLocalizationsFile are different from that produced by gen_localizations.',
+      '',
+      'Did you forget to run gen_localizations.dart after updating a .arb file?',
+    ]);
   }
   if (cupertinoGenResult.stdout.trim() != expectedCupertinoResult.trim()) {
-    stderr
-      ..writeln('<<<<<<< $cupertinoLocalizationsFile')
-      ..writeln(expectedCupertinoResult.trim())
-      ..writeln('=======')
-      ..writeln(cupertinoGenResult.stdout.trim())
-      ..writeln('>>>>>>> gen_localizations')
-      ..writeln('The contents of $cupertinoLocalizationsFile are different from that produced by gen_localizations.')
-      ..writeln()
-      ..writeln('Did you forget to run gen_localizations.dart after updating a .arb file?');
-    exit(1);
+    exitWithError(<String>[
+      '<<<<<<< $cupertinoLocalizationsFile',
+      expectedCupertinoResult.trim(),
+      '=======',
+      cupertinoGenResult.stdout.trim(),
+      '>>>>>>> gen_localizations',
+      'The contents of $cupertinoLocalizationsFile are different from that produced by gen_localizations.',
+      '',
+      'Did you forget to run gen_localizations.dart after updating a .arb file?',
+    ]);
   }
 }
 
-Future<void> verifyNoTrailingSpaces() async {
-  if (!Platform.isWindows) {
-    final String commitRange = Platform.environment.containsKey('TEST_COMMIT_RANGE')
-        ? Platform.environment['TEST_COMMIT_RANGE']
-        : await _getCommitRange();
-    final List<String> fileTypes = <String>[
-      '*.dart', '*.cxx', '*.cpp', '*.cc', '*.c', '*.C', '*.h', '*.java', '*.mm', '*.m', '*.yml',
-    ];
-    final EvalResult changedFilesResult = await _evalCommand(
-      'git', <String>['diff', '-U0', '--no-color', '--name-only', commitRange, '--', ...fileTypes],
-      workingDirectory: flutterRoot,
+Future<void> verifyNoTrailingSpaces(String workingDirectory, { int minimumMatches = 4000 }) async {
+  final List<File> files = _allFiles(workingDirectory, null, minimumMatches: minimumMatches)
+    .where((File file) => path.basename(file.path) != 'serviceaccount.enc')
+    .where((File file) => path.basename(file.path) != 'Ahem.ttf')
+    .where((File file) => path.extension(file.path) != '.snapshot')
+    .where((File file) => path.extension(file.path) != '.png')
+    .where((File file) => path.extension(file.path) != '.jpg')
+    .where((File file) => path.extension(file.path) != '.jar')
+    .toList();
+  final List<String> problems = <String>[];
+  for (File file in files) {
+    final List<String> lines = file.readAsLinesSync();
+    for (int index = 0; index < lines.length; index += 1) {
+      if (lines[index].endsWith(' ')) {
+        problems.add('${file.path}:${index + 1}: trailing U+0020 space character');
+      } else if (lines[index].endsWith('\t')) {
+        problems.add('${file.path}:${index + 1}: trailing U+0009 tab character');
+      }
+    }
+    if (lines.isNotEmpty && lines.last == '')
+      problems.add('${file.path}:${lines.length}: trailing blank line');
+  }
+  if (problems.isNotEmpty)
+    exitWithError(problems);
+}
+
+class Hash256 {
+  Hash256(this.a, this.b, this.c, this.d);
+
+  factory Hash256.fromDigest(Digest digest) {
+    assert(digest.bytes.length == 32);
+    return Hash256(
+      digest.bytes[ 0] << 56 |
+      digest.bytes[ 1] << 48 |
+      digest.bytes[ 2] << 40 |
+      digest.bytes[ 3] << 32 |
+      digest.bytes[ 4] << 24 |
+      digest.bytes[ 5] << 16 |
+      digest.bytes[ 6] <<  8 |
+      digest.bytes[ 7] <<  0,
+      digest.bytes[ 8] << 56 |
+      digest.bytes[ 9] << 48 |
+      digest.bytes[10] << 40 |
+      digest.bytes[11] << 32 |
+      digest.bytes[12] << 24 |
+      digest.bytes[13] << 16 |
+      digest.bytes[14] <<  8 |
+      digest.bytes[15] <<  0,
+      digest.bytes[16] << 56 |
+      digest.bytes[17] << 48 |
+      digest.bytes[18] << 40 |
+      digest.bytes[19] << 32 |
+      digest.bytes[20] << 24 |
+      digest.bytes[21] << 16 |
+      digest.bytes[22] <<  8 |
+      digest.bytes[23] <<  0,
+      digest.bytes[24] << 56 |
+      digest.bytes[25] << 48 |
+      digest.bytes[26] << 40 |
+      digest.bytes[27] << 32 |
+      digest.bytes[28] << 24 |
+      digest.bytes[29] << 16 |
+      digest.bytes[30] <<  8 |
+      digest.bytes[31] <<  0,
     );
-    if (changedFilesResult.stdout == null || changedFilesResult.stdout.trim().isEmpty) {
-      print('No files found that need to be checked for trailing whitespace.');
-      return;
-    }
-    // Only include files that actually exist, so that we don't try and grep for
-    // nonexistent files, which can occur when files are deleted or moved.
-    final List<String> changedFiles = changedFilesResult.stdout.split('\n').where((String filename) {
-      return File(filename).existsSync();
-    }).toList();
-    if (changedFiles.isNotEmpty) {
-      await runCommand('grep',
-        <String>[
-          '--line-number',
-          '--extended-regexp',
-          r'[[:blank:]]$',
-          ...changedFiles,
-        ],
-        workingDirectory: flutterRoot,
-        failureMessage: '${red}Detected trailing whitespace in the file[s] listed above.$reset\nPlease remove them from the offending line[s].',
-        expectNonZeroExit: true, // Just means a non-zero exit code is expected.
-        expectedExitCode: 1, // Indicates that zero lines were found.
+  }
+
+  final int a;
+  final int b;
+  final int c;
+  final int d;
+
+  @override
+  bool operator ==(Object other) {
+    if (other.runtimeType != runtimeType)
+      return false;
+    return other is Hash256
+        && other.a == a
+        && other.b == b
+        && other.c == c
+        && other.d == d;
+  }
+
+  @override
+  int get hashCode => a ^ b ^ c ^ d;
+}
+
+// DO NOT ADD ANY ENTRIES TO THIS LIST.
+// We have a policy of not checking in binaries into this repository.
+// If you have binaries to add, please consult Hixie for advice.
+final Set<Hash256> _grandfatheredBinaries = <Hash256>{
+  // DEFAULT ICON IMAGES
+
+  // packages/flutter_tools/templates/app/android.tmpl/app/src/main/res/mipmap-hdpi/ic_launcher.png
+  // packages/flutter_tools/templates/module/android/host_app_common/app.tmpl/src/main/res/mipmap-hdpi/ic_launcher.png
+  // (also used by many examples)
+  Hash256(0x6A7C8F0D703E3682, 0x108F9662F8133022, 0x36240D3F8F638BB3, 0x91E32BFB96055FEF),
+
+  // packages/flutter_tools/templates/app/android.tmpl/app/src/main/res/mipmap-mdpi/ic_launcher.png
+  // (also used by many examples)
+  Hash256(0xC7C0C0189145E4E3, 0x2A401C61C9BDC615, 0x754B0264E7AFAE24, 0xE834BB81049EAF81),
+
+  // packages/flutter_tools/templates/app/android.tmpl/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+  // (also used by many examples)
+  Hash256(0xE14AA40904929BF3, 0x13FDED22CF7E7FFC, 0xBF1D1AAC4263B5EF, 0x1BE8BFCE650397AA),
+
+  // packages/flutter_tools/templates/app/android.tmpl/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+  // (also used by many examples)
+  Hash256(0x4D470BF22D5C17D8, 0x4EDC5F82516D1BA8, 0xA1C09559CD761CEF, 0xB792F86D9F52B540),
+
+  // packages/flutter_tools/templates/app/android.tmpl/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+  // (also used by many examples)
+  Hash256(0x3C34E1F298D0C9EA, 0x3455D46DB6B7759C, 0x8211A49E9EC6E44B, 0x635FC5C87DFB4180),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
+  // (also used by a few examples)
+  Hash256(0x7770183009E91411, 0x2DE7D8EF1D235A6A, 0x30C5834424858E0D, 0x2F8253F6B8D31926),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
+  // (also used by many examples)
+  Hash256(0x5925DAB509451F9E, 0xCBB12CE8A625F9D4, 0xC104718EE20CAFF8, 0xB1B51032D1CD8946),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
+  // (also used by many examples)
+  Hash256(0xC4D9A284C12301D0, 0xF50E248EC53ED51A, 0x19A10147B774B233, 0x08399250B0D44C55),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
+  // (also used by many examples)
+  Hash256(0xBF97F9D3233F33E1, 0x389B09F7B8ADD537, 0x41300CB834D6C7A5, 0xCA32CBED363A4FB2),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
+  // (also used by many examples)
+  Hash256(0x285442F69A06B45D, 0x9D79DF80321815B5, 0x46473548A37B7881, 0x9B68959C7B8ED237),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
+  // (also used by many examples)
+  Hash256(0x2AB64AF8AC727EA9, 0x9C6AB9EAFF847F46, 0xFBF2A9A0A78A0ABC, 0xBF3180F3851645B4),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
+  // (also used by many examples)
+  Hash256(0x9DCA09F4E5ED5684, 0xD3C4DFF41F4E8B7C, 0xB864B438172D72BE, 0x069315FA362930F9),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
+  // (also used by many examples)
+  Hash256(0xD5AD04DE321EF37C, 0xACC5A7B960AFCCE7, 0x1BDCB96FA020C482, 0x49C1545DD1A0F497),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
+  // (also used by many examples)
+  Hash256(0x809ABFE75C440770, 0xC13C4E2E46D09603, 0xC22053E9D4E0E227, 0x5DCB9C1DCFBB2C75),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
+  // (also used by many examples)
+  Hash256(0x3DB08CB79E7B01B9, 0xE81F956E3A0AE101, 0x48D0FAFDE3EA7AA7, 0x0048DF905AA52CFD),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
+  // (also used by many examples)
+  Hash256(0x23C13D463F5DCA5C, 0x1F14A14934003601, 0xC29F1218FD461016, 0xD8A22CEF579A665F),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
+  // (also used by many examples)
+  Hash256(0x6DB7726530D71D3F, 0x52CB59793EB69131, 0x3BAA04796E129E1E, 0x043C0A58A1BFFD2F),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
+  // (also used by many examples)
+  Hash256(0xCEE565F5E6211656, 0x9B64980B209FD5CA, 0x4B3D3739011F5343, 0x250B33A1A2C6EB65),
+
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
+  // packages/flutter_tools/templates/app/ios.tmpl/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
+  // packages/flutter_tools/templates/module/ios/host_app_ephemeral/Runner.tmpl/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
+  // (also used by many examples)
+  Hash256(0x93AE7D494FAD0FB3, 0x0CBF3AE746A39C4B, 0xC7A0F8BBF87FBB58, 0x7A3F3C01F3C5CE20),
+
+  // packages/flutter_tools/templates/app/macos.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png
+  // (also used by a few examples)
+  Hash256(0xB18BEBAAD1AD6724, 0xE48BCDF699BA3927, 0xDF3F258FEBE646A3, 0xAB5C62767C6BAB40),
+
+  // packages/flutter_tools/templates/app/macos.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png
+  // (also used by a few examples)
+  Hash256(0xF90D839A289ECADB, 0xF2B0B3400DA43EB8, 0x08B84908335AE4A0, 0x07457C4D5A56A57C),
+
+  // packages/flutter_tools/templates/app/macos.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png
+  // (also used by a few examples)
+  Hash256(0x592C2ABF84ADB2D3, 0x91AED8B634D3233E, 0x2C65369F06018DCD, 0x8A4B27BA755EDCBE),
+
+  // packages/flutter_tools/templates/app/macos.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png
+  // (also used by a few examples)
+  Hash256(0x75D9A0C034113CA8, 0xA1EC11C24B81F208, 0x6630A5A5C65C7D26, 0xA5DC03A1C0A4478C),
+
+  // packages/flutter_tools/templates/app/macos.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png
+  // (also used by a few examples)
+  Hash256(0xA896E65745557732, 0xC72BD4EE3A10782F, 0xE2AA95590B5AF659, 0x869E5808DB9C01C1),
+
+  // packages/flutter_tools/templates/app/macos.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png
+  // (also used by a few examples)
+  Hash256(0x3A69A8A1AAC5D9A8, 0x374492AF4B6D07A4, 0xCE637659EB24A784, 0x9C4DFB261D75C6A3),
+
+  // packages/flutter_tools/templates/app/macos.tmpl/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png
+  // (also used by a few examples)
+  Hash256(0xD29D4E0AF9256DC9, 0x2D0A8F8810608A5E, 0x64A132AD8B397CA2, 0xC4DDC0B1C26A68C3),
+
+
+  // GALLERY ICONS
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-hdpi/ic_background.png
+  Hash256(0x03CFDE53C249475C, 0x277E8B8E90AC8A13, 0xE5FC13C358A94CCB, 0x67CA866C9862A0DD),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-hdpi/ic_foreground.png
+  Hash256(0x86A83E23A505EFCC, 0x39C358B699EDE12F, 0xC088EE516A1D0C73, 0xF3B5D74DDAD164B1),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
+  Hash256(0xD813B1A77320355E, 0xB68C485CD47D0F0F, 0x3C7E1910DCD46F08, 0x60A6401B8DC13647),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-xhdpi/ic_background.png
+  Hash256(0x35AFA76BD5D6053F, 0xEE927436C78A8794, 0xA8BA5F5D9FC9653B, 0xE5B96567BB7215ED),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-xhdpi/ic_foreground.png
+  Hash256(0x263CE9B4F1F69B43, 0xEBB08AE9FE8F80E7, 0x95647A59EF2C040B, 0xA8AEB246861A7DFF),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+  Hash256(0x5E1A93C3653BAAFF, 0x1AAC6BCEB8DCBC2F, 0x2AE7D68ECB07E507, 0xCB1FA8354B28313A),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-xxhdpi/ic_background.png
+  Hash256(0xA5C77499151DDEC6, 0xDB40D0AC7321FD74, 0x0646C0C0F786743F, 0x8F3C3C408CAC5E8C),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-xxhdpi/ic_foreground.png
+  Hash256(0x33DE450980A2A16B, 0x1982AC7CDC1E7B01, 0x919E07E0289C2139, 0x65F85BCED8895FEF),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+  Hash256(0xC3B8577F4A89BA03, 0x830944FB06C3566B, 0x4C99140A2CA52958, 0x089BFDC3079C59B7),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-xxxhdpi/ic_background.png
+  Hash256(0xDEBC241D6F9C5767, 0x8980FDD46FA7ED0C, 0x5B8ACD26BCC5E1BC, 0x473C89B432D467AD),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-xxxhdpi/ic_foreground.png
+  Hash256(0xBEFE5F7E82BF8B64, 0x148D869E3742004B, 0xF821A9F5A1BCDC00, 0x357D246DCC659DC2),
+
+  // examples/flutter_gallery/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+  Hash256(0xC385404341FF9EDD, 0x30FBE76F0EC99155, 0x8EA4F4AFE8CC0C60, 0x1CA3EDEF177E1DA8),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-1024.png
+  Hash256(0x6BE5751A29F57A80, 0x36A4B31CC542C749, 0x984E49B22BD65CAA, 0x75AE8B2440848719),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-120.png
+  Hash256(0x9972A2264BFA8F8D, 0x964AFE799EADC1FA, 0x2247FB31097F994A, 0x1495DC32DF071793),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-152.png
+  Hash256(0x4C7CC9B09BEEDA24, 0x45F57D6967753910, 0x57D68E1A6B883D2C, 0x8C52701A74F1400F),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-167.png
+  Hash256(0x66DACAC1CFE4D349, 0xDBE994CB9125FFD7, 0x2D795CFC9CF9F739, 0xEDBB06CE25082E9C),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-180.png
+  Hash256(0x5188621015EBC327, 0xC9EF63AD76E60ECE, 0xE82BDC3E4ABF09E2, 0xEE0139FA7C0A2BE5),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-20.png
+  Hash256(0x27D2752D04EE9A6B, 0x78410E208F74A6CD, 0xC90D9E03B73B8C60, 0xD05F7D623E790487),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-29.png
+  Hash256(0xBB20556B2826CF85, 0xD5BAC73AA69C2AC3, 0x8E71DAD64F15B855, 0xB30CB73E0AF89307),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-40.png
+  Hash256(0x623820FA45CDB0AC, 0x808403E34AD6A53E, 0xA3E9FDAE83EE0931, 0xB020A3A4EF2CDDE7),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-58.png
+  Hash256(0xC6D631D1E107215E, 0xD4A58FEC5F3AA4B5, 0x0AE9724E07114C0C, 0x453E5D87C2CAD3B3),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-60.png
+  Hash256(0x4B6F58D1EB8723C6, 0xE717A0D09FEC8806, 0x90C6D1EF4F71836E, 0x618672827979B1A2),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-76.png
+  Hash256(0x0A1744CC7634D508, 0xE85DD793331F0C8A, 0x0B7C6DDFE0975D8F, 0x29E91C905BBB1BED),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-80.png
+  Hash256(0x24032FBD1E6519D6, 0x0BA93C0D5C189554, 0xF50EAE23756518A2, 0x3FABACF4BD5DAF08),
+
+  // examples/flutter_gallery/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-87.png
+  Hash256(0xC17BAE6DF6BB234A, 0xE0AF4BEB0B805F12, 0x14E74EB7AA9A30F1, 0x5763689165DA7DDF),
+
+
+  // STOCKS ICONS
+
+  // examples/stocks/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
+  Hash256(0x74052AB5241D4418, 0x7085180608BC3114, 0xD12493C50CD8BBC7, 0x56DED186C37ACE84),
+
+  // examples/stocks/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
+  Hash256(0xE37947332E3491CB, 0x82920EE86A086FEA, 0xE1E0A70B3700A7DA, 0xDCAFBDD8F40E2E19),
+
+  // examples/stocks/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+  Hash256(0xE608CDFC0C8579FB, 0xE38873BAAF7BC944, 0x9C9D2EE3685A4FAE, 0x671EF0C8BC41D17C),
+
+  // examples/stocks/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+  Hash256(0xBD53D86977DF9C54, 0xF605743C5ABA114C, 0x9D51D1A8BB917E1A, 0x14CAA26C335CAEBD),
+
+  // examples/stocks/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+  Hash256(0x64E4D02262C4F3D0, 0xBB4FDC21CD0A816C, 0x4CD2A0194E00FB0F, 0x1C3AE4142FAC0D15),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-60@2x.png
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-Small-40@3x.png
+  Hash256(0x5BA3283A76918FC0, 0xEE127D0F22D7A0B6, 0xDF03DAED61669427, 0x93D89DDD87A08117),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-60@3x.png
+  Hash256(0xCD7F26ED31DEA42A, 0x535D155EC6261499, 0x34E6738255FDB2C4, 0xBD8D4BDDE9A99B05),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-76.png
+  Hash256(0x3FA1225FC9A96A7E, 0xCD071BC42881AB0E, 0x7747EB72FFB72459, 0xA37971BBAD27EE24),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-76@2x.png
+  Hash256(0xCD867001ACD7BBDB, 0x25CDFD452AE89FA2, 0x8C2DC980CAF55F48, 0x0B16C246CFB389BC),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-83.5@2x.png
+  Hash256(0x848E9736E5C4915A, 0x7945BCF6B32FD56B, 0x1F1E7CDDD914352E, 0xC9681D38EF2A70DA),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-Notification.png
+  Hash256(0x654BA7D6C4E05CA0, 0x7799878884EF8F11, 0xA383E1F24CEF5568, 0x3C47604A966983C8),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-Notification@2x.png
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-Small-40.png
+  Hash256(0x743056FE7D83FE42, 0xA2990825B6AD0415, 0x1AF73D0D43B227AA, 0x07EBEA9B767381D9),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-Notification@3x.png
+  Hash256(0xA7E1570812D119CF, 0xEF4B602EF28DD0A4, 0x100D066E66F5B9B9, 0x881765DC9303343B),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-Small-40@2x.png
+  Hash256(0xB4102839A1E41671, 0x62DACBDEFA471953, 0xB1EE89A0AB7594BE, 0x1D9AC1E67DC2B2CE),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-Small.png
+  Hash256(0x70AC6571B593A967, 0xF1CBAEC9BC02D02D, 0x93AD766D8290ADE6, 0x840139BF9F219019),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-Small@2x.png
+  Hash256(0x5D87A78386DA2C43, 0xDDA8FEF2CA51438C, 0xE5A276FE28C6CF0A, 0xEBE89085B56665B6),
+
+  // examples/stocks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-Small@3x.png
+  Hash256(0x4D9F5E81F668DA44, 0xB20A77F8BF7BA2E1, 0xF384533B5AD58F07, 0xB3A2F93F8635CD96),
+
+
+  // LEGACY ICONS
+
+  // dev/benchmarks/complex_layout/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@3x.png
+  // dev/benchmarks/microbenchmarks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@3x.png
+  // examples/flutter_view/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@3x.png
+  // (not really sure where this came from, or why neither the template nor most examples use them)
+  Hash256(0x6E645DC9ED913AAD, 0xB50ED29EEB16830D, 0xB32CA12F39121DB9, 0xB7BC1449DDDBF8B8),
+
+  // dev/benchmarks/macrobenchmarks/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
+  // dev/integration_tests/codegen/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
+  // dev/integration_tests/ios_add2app/ios_add2app/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
+  // dev/integration_tests/release_smoke_test/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
+  Hash256(0xDEFAC77E08EC71EC, 0xA04CCA3C95D1FC33, 0xB9F26E1CB15CB051, 0x47DEFC79CDD7C158),
+
+  // examples/flutter_view/ios/Runner/ic_add.png
+  // examples/platform_view/ios/Runner/ic_add.png
+  Hash256(0x3CCE7450334675E2, 0xE3AABCA20B028993, 0x127BE82FE0EB3DFF, 0x8B027B3BAF052F2F),
+
+  // examples/image_list/images/coast.jpg
+  Hash256(0xDA957FD30C51B8D2, 0x7D74C2C918692DC4, 0xD3C5C99BB00F0D6B, 0x5EBB30395A6EDE82),
+
+  // examples/image_list/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
+  Hash256(0xB5792CA06F48A431, 0xD4379ABA2160BD5D, 0xE92339FC64C6A0D3, 0x417AA359634CD905),
+
+
+  // TEST ASSETS
+
+  // dev/benchmarks/macrobenchmarks/assets/999x1000.png
+  Hash256(0x553E9C36DFF3E610, 0x6A608BDE822A0019, 0xDE4F1769B6FBDB97, 0xBC3C20E26B839F59),
+
+  // dev/bots/test/analyze-test-input/root/packages/foo/serviceaccount.enc
+  Hash256(0xA8100AE6AA1940D0, 0xB663BB31CD466142, 0xEBBDBD5187131B92, 0xD93818987832EB89),
+
+  // dev/automated_tests/icon/test.png
+  Hash256(0xE214B4A0FEEEC6FA, 0x8E7AA8CC9BFBEC40, 0xBCDAC2F2DEBC950F, 0x75AF8EBF02BCE459),
+
+  // dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/android/app/src/main/res/drawable-land-xxhdpi/flutter_splash_screen.png
+  // dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/android/app/src/main/res/mipmap-land-xxhdpi/flutter_splash_screen.png
+  Hash256(0x2D4F8D7A3DFEF9D3, 0xA0C66938E169AB58, 0x8C6BBBBD1973E34E, 0x03C428416D010182),
+
+  // dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/android/app/src/main/res/drawable-xxhdpi/flutter_splash_screen.png
+  // dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/android/app/src/main/res/mipmap-xxhdpi/flutter_splash_screen.png
+  Hash256(0xCD46C01BAFA3B243, 0xA6AA1645EEDDE481, 0x143AC8ABAB1A0996, 0x22CAA9D41F74649A),
+
+  // dev/integration_tests/flutter_driver_screenshot_test/assets/red_square.png
+  Hash256(0x40054377E1E084F4, 0x4F4410CE8F44C210, 0xABA945DFC55ED0EF, 0x23BDF9469E32F8D3),
+
+  // dev/integration_tests/flutter_driver_screenshot_test/test_driver/goldens/red_square_image/iPhone7,2.png
+  Hash256(0x7F9D27C7BC418284, 0x01214E21CA886B2F, 0x40D9DA2B31AE7754, 0x71D68375F9C8A824),
+
+  // examples/flutter_view/assets/flutter-mark-square-64.png
+  // examples/platform_view/assets/flutter-mark-square-64.png
+  Hash256(0xF416B0D8AC552EC8, 0x819D1F492D1AB5E6, 0xD4F20CF45DB47C22, 0x7BB431FEFB5B67B2),
+
+  // packages/flutter_tools/test/data/intellij/plugins/Dart/lib/Dart.jar
+  Hash256(0x576E489D788A13DB, 0xBF40E4A39A3DAB37, 0x15CCF0002032E79C, 0xD260C69B29E06646),
+
+  // packages/flutter_tools/test/data/intellij/plugins/flutter-intellij.jar
+  Hash256(0x4C67221E25626CB2, 0x3F94E1F49D34E4CF, 0x3A9787A514924FC5, 0x9EF1E143E5BC5690),
+
+
+  // HISTORICAL DEVICE LAB IMAGES
+
+  // dev/devicelab/images/agent-statuses.png
+  Hash256(0x0A43016C84095771, 0x1C610E1C01B1C3B2, 0x681DA0B2062C02AA, 0x31CC7FB3FDC298FD),
+
+  // dev/devicelab/images/broken-test.png
+  Hash256(0x319459F42967A888, 0x90B20063544D6707, 0x849E1E3447CC56A5, 0xE226C47DE34F13AD),
+
+  // dev/devicelab/images/legend.png
+  Hash256(0x92A98975AF5F076C, 0xE7BFAB86B0DD7A3D, 0xC45287B706D10456, 0x4E512BA3C41B2749),
+
+
+  // MISCELLANEOUS
+
+  // dev/bots/serviceaccount.enc
+  Hash256(0x1F19ADB4D80AFE8C, 0xE61899BA776B1A8D, 0xCA398C75F5F7050D, 0xFB0E72D7FBBBA69B),
+
+  // dev/docs/favicon.ico
+  Hash256(0x67368CA1733E933A, 0xCA3BC56EF0695012, 0xE862C371AD4412F0, 0x3EC396039C609965),
+
+  // dev/snippets/assets/code_sample.png
+  Hash256(0xAB2211A47BDA001D, 0x173A52FD9C75EBC7, 0xE158942FFA8243AD, 0x2A148871990D4297),
+
+  // dev/snippets/assets/code_snippet.png
+  Hash256(0xDEC70574DA46DFBB, 0xFA657A771F3E1FBD, 0xB265CFC6B2AA5FE3, 0x93BA4F325D1520BA),
+
+  // packages/flutter_tools/static/Ahem.ttf
+  Hash256(0x63D2ABD0041C3E3B, 0x4B52AD8D382353B5, 0x3C51C6785E76CE56, 0xED9DACAD2D2E31C4),
+};
+
+Future<void> verifyNoBinaries(String workingDirectory, { Set<Hash256> grandfatheredBinaries }) async {
+  // Please do not add anything to the _grandfatheredBinaries set above.
+  // We have a policy of not checking in binaries into this repository.
+  // If you have binaries to add, please consult Hixie for advice.
+  assert(
+    _grandfatheredBinaries
+      .expand<int>((Hash256 hash) => <int>[hash.a, hash.b, hash.c, hash.d])
+      .reduce((int value, int element) => value ^ element) == 0x39A050CD69434936 // Please do not modify this line.
+  );
+  grandfatheredBinaries ??= _grandfatheredBinaries;
+  if (!Platform.isWindows) { // TODO(ianh): Port this to Windows
+    final EvalResult evalResult = await _evalCommand(
+      'git', <String>['ls-files', '-z'],
+      workingDirectory: workingDirectory,
     );
+    if (evalResult.exitCode != 0) {
+      exitWithError(<String>[
+        'git ls-filese failed with exit code ${evalResult.exitCode}',
+        '${bold}stdout:$reset',
+        evalResult.stdout,
+        '${bold}stderr:$reset',
+        evalResult.stderr,
+      ]);
+    }
+    final List<String> filenames = evalResult
+      .stdout
+      .split('\x00');
+    assert(filenames.last.isEmpty); // git ls-files gives a trailing blank 0x00
+    filenames.removeLast();
+    final List<File> files = filenames
+      .map<File>((String filename) => File(path.join(workingDirectory, filename)))
+      .toList();
+    final List<String> problems = <String>[];
+    for (File file in files) {
+      final Uint8List bytes = file.readAsBytesSync();
+      try {
+        utf8.decode(bytes);
+      } on FormatException catch (error) {
+        if (error.message.startsWith('Bad UTF-8 encoding ')) {
+          final Digest digest = sha256.convert(bytes);
+          if (!grandfatheredBinaries.contains(Hash256.fromDigest(digest)))
+            problems.add('${file.path}:${error.offset}: file is not valid UTF-8');
+        } else {
+          rethrow;
+        }
+      }
+    }
+    if (problems.isNotEmpty) {
+      exitWithError(<String>[
+        ...problems,
+        'All files in this repository must be UTF-8. In particular, images and other binaries',
+        'must not be checked into this repository. This is because we are very sensitive to the',
+        'size of the repository as it is distributed to all our developers. If you have a binary',
+        'to which you need access, you should consider how to fetch it from another repository;',
+        'for example, the "assets-for-api-docs" repository is used for images in API docs.',
+      ]);
     }
   }
 }
@@ -617,8 +1046,10 @@ bool _listEquals<T>(List<T> a, List<T> b) {
   return true;
 }
 
-Iterable<File> _allFiles(String workingDirectory, String extension) sync* {
+Iterable<File> _allFiles(String workingDirectory, String extension, { @required int minimumMatches }) sync* {
+  assert(extension == null || !extension.startsWith('.'), 'Extension argument should not start with a period.');
   final Set<FileSystemEntity> pending = <FileSystemEntity>{ Directory(workingDirectory) };
+  int matches = 0;
   while (pending.isNotEmpty) {
     final FileSystemEntity entity = pending.first;
     pending.remove(entity);
@@ -631,13 +1062,17 @@ Iterable<File> _allFiles(String workingDirectory, String extension) sync* {
         continue;
       if (path.basename(entity.path) == 'gradlew.bat')
         continue;
-      if (path.extension(entity.path) == '.$extension')
+      if (extension == null || path.extension(entity.path) == '.$extension') {
+        matches += 1;
         yield entity;
+      }
     } else if (entity is Directory) {
       if (File(path.join(entity.path, '.dartignore')).existsSync())
         continue;
       if (path.basename(entity.path) == '.git')
         continue;
+      if (path.basename(entity.path) == '.gradle')
+        continue;
       if (path.basename(entity.path) == '.dart_tool')
         continue;
       if (path.basename(entity.path) == 'build')
@@ -645,28 +1080,7 @@ Iterable<File> _allFiles(String workingDirectory, String extension) sync* {
       pending.addAll(entity.listSync());
     }
   }
-}
-
-Future<String> _getCommitRange() async {
-  // Using --fork-point is more conservative, and will result in the correct
-  // fork point, but when running locally, it may return nothing. Git is
-  // guaranteed to return a (reasonable, but maybe not optimal) result when not
-  // using --fork-point, so we fall back to that if we can't get a definitive
-  // fork point. See "git merge-base" documentation for more info.
-  EvalResult result = await _evalCommand(
-    'git',
-    <String>['merge-base', '--fork-point', 'FETCH_HEAD', 'HEAD'],
-    workingDirectory: flutterRoot,
-    allowNonZeroExit: true,
-  );
-  if (result.exitCode != 0) {
-    result = await _evalCommand(
-      'git',
-      <String>['merge-base', 'FETCH_HEAD', 'HEAD'],
-      workingDirectory: flutterRoot,
-    );
-  }
-  return result.stdout.trim();
+  assert(matches >= minimumMatches, 'Expected to find at least $minimumMatches files with extension ".$extension" in "$workingDirectory", but only found $matches.');
 }
 
 class EvalResult {
@@ -681,6 +1095,7 @@ class EvalResult {
   final int exitCode;
 }
 
+// TODO(ianh): Refactor this to reuse the code in run_command.dart
 Future<EvalResult> _evalCommand(String executable, List<String> arguments, {
   @required String workingDirectory,
   Map<String, String> environment,
@@ -714,14 +1129,11 @@ Future<EvalResult> _evalCommand(String executable, List<String> arguments, {
 
   if (exitCode != 0 && !allowNonZeroExit) {
     stderr.write(result.stderr);
-    print(
-      '$redLine\n'
-      '${bold}ERROR:$red Last command exited with $exitCode.$reset\n'
-      '${bold}Command:$red $commandDescription$reset\n'
-      '${bold}Relative working directory:$red $relativeWorkingDir$reset\n'
-      '$redLine'
-    );
-    exit(1);
+    exitWithError(<String>[
+      '${bold}ERROR:$red Last command exited with $exitCode.$reset',
+      '${bold}Command:$red $commandDescription$reset',
+      '${bold}Relative working directory:$red $relativeWorkingDir$reset',
+    ]);
   }
 
   return result;
@@ -729,8 +1141,8 @@ Future<EvalResult> _evalCommand(String executable, List<String> arguments, {
 
 Future<void> _runFlutterAnalyze(String workingDirectory, {
   List<String> options = const <String>[],
-}) {
-  return runCommand(
+}) async {
+  return await runCommand(
     flutter,
     <String>['analyze', '--dartdocs', ...options],
     workingDirectory: workingDirectory,
@@ -741,10 +1153,7 @@ final RegExp _importPattern = RegExp(r'''^\s*import (['"])package:flutter/([^.]+
 final RegExp _importMetaPattern = RegExp(r'''^\s*import (['"])package:meta/meta\.dart\1''');
 
 Set<String> _findFlutterDependencies(String srcPath, List<String> errors, { bool checkForMeta = false }) {
-  return Directory(srcPath)
-    .listSync(recursive: true)
-    .whereType<File>()
-    .where((File file) => path.extension(file.path) == '.dart')
+  return _allFiles(srcPath, 'dart', minimumMatches: 1)
     .map<Set<String>>((File file) {
       final Set<String> result = <String>{};
       for (String line in file.readAsLinesSync()) {

dev/bots/docs.sh

@@ -149,4 +149,3 @@ if [[ -n "$CIRRUS_CI" && -z "$CIRRUS_PR" ]]; then
     deploy 5 docs-flutter-dev
   fi
 fi
-

dev/bots/download_android_sdk.sh

@@ -26,5 +26,3 @@ $ANDROID_SDK_ROOT/tools/bin/sdkmanager  "platforms;android-28" \
     "build-tools;27.0.3" \
     "extras;google;m2repository" \
     "extras;android;m2repository"
-
-

dev/bots/pubspec.yaml

@@ -6,16 +6,17 @@ environment:
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:
-  path: 1.6.4
   args: 1.5.2
+  crypto: 2.1.3
+  googleapis: 0.54.0
+  googleapis_auth: 0.2.11
+  http: 0.12.0+3
+  http_parser: 3.1.3
   meta: 1.1.8
-  process: 3.0.12
+  path: 1.6.4
   platform: 2.2.1
-  http: 0.12.0+2
-  http_parser: 3.1.3
+  process: 3.0.12
   test: 1.9.4
-  googleapis: 0.54.0
-  googleapis_auth: 0.2.11
 
   _discoveryapis_commons: 0.1.9 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   analyzer: 0.38.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -24,8 +25,7 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -70,4 +70,4 @@ dev_dependencies:
   mockito: 4.1.1
   test_api: 0.2.11
 
-# PUBSPEC CHECKSUM: 2235
+# PUBSPEC CHECKSUM: 5e38

dev/bots/run_command.dart

@@ -4,44 +4,14 @@
 
 import 'dart:async';
 import 'dart:convert';
-import 'dart:io';
+import 'dart:core' hide print;
+import 'dart:io' hide exit;
 
 import 'package:path/path.dart' as path;
 
-final bool hasColor = stdout.supportsAnsiEscapes;
-
-final String bold = hasColor ? '\x1B[1m' : ''; // used for shard titles
-final String red = hasColor ? '\x1B[31m' : ''; // used for errors
-final String green = hasColor ? '\x1B[32m' : ''; // used for section titles, commands
-final String yellow = hasColor ? '\x1B[33m' : ''; // unused
-final String cyan = hasColor ? '\x1B[36m' : ''; // used for paths
-final String reverse = hasColor ? '\x1B[7m' : ''; // used for clocks
-final String reset = hasColor ? '\x1B[0m' : '';
-final String redLine = '$red━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━$reset';
-
-String get clock {
-  final DateTime now = DateTime.now();
-  return '$reverse▌'
-         '${now.hour.toString().padLeft(2, "0")}:'
-         '${now.minute.toString().padLeft(2, "0")}:'
-         '${now.second.toString().padLeft(2, "0")}'
-         '▐$reset';
-}
-
-String prettyPrintDuration(Duration duration) {
-  String result = '';
-  final int minutes = duration.inMinutes;
-  if (minutes > 0)
-    result += '${minutes}min ';
-  final int seconds = duration.inSeconds - minutes * 60;
-  final int milliseconds = duration.inMilliseconds - (seconds * 1000 + minutes * 60 * 1000);
-  result += '$seconds.${milliseconds.toString().padLeft(3, "0")}s';
-  return result;
-}
+import 'utils.dart';
 
-void printProgress(String action, String workingDir, String command) {
-  print('$clock $action: cd $cyan$workingDir$reset; $green$command$reset');
-}
+// TODO(ianh): These two functions should be refactored into something that avoids all this code duplication.
 
 Stream<String> runAndGetStdout(String executable, List<String> arguments, {
   String workingDirectory,
@@ -49,11 +19,14 @@ Stream<String> runAndGetStdout(String executable, List<String> arguments, {
   bool expectNonZeroExit = false,
   int expectedExitCode,
   String failureMessage,
-  Function beforeExit,
+  bool skip = false,
 }) async* {
   final String commandDescription = '${path.relative(executable, from: workingDirectory)} ${arguments.join(' ')}';
   final String relativeWorkingDir = path.relative(workingDirectory);
-
+  if (skip) {
+    printProgress('SKIPPING', relativeWorkingDir, commandDescription);
+    return;
+  }
   printProgress('RUNNING', relativeWorkingDir, commandDescription);
 
   final Stopwatch time = Stopwatch()..start();
@@ -64,26 +37,21 @@ Stream<String> runAndGetStdout(String executable, List<String> arguments, {
 
   stderr.addStream(process.stderr);
   final Stream<String> lines = process.stdout.transform(utf8.decoder).transform(const LineSplitter());
-  await for (String line in lines) {
+  await for (String line in lines)
     yield line;
-  }
 
   final int exitCode = await process.exitCode;
-  print('$clock ELAPSED TIME: ${prettyPrintDuration(time.elapsed)} for $green$commandDescription$reset in $cyan$relativeWorkingDir$reset');
   if ((exitCode == 0) == expectNonZeroExit || (expectedExitCode != null && exitCode != expectedExitCode)) {
-    if (failureMessage != null) {
-      print(failureMessage);
-    }
-    print(
-        '$redLine\n'
-        '${bold}ERROR: ${red}Last command exited with $exitCode (expected: ${expectNonZeroExit ? (expectedExitCode ?? 'non-zero') : 'zero'}).$reset\n'
-        '${bold}Command: $green$commandDescription$reset\n'
-        '${bold}Relative working directory: $cyan$relativeWorkingDir$reset\n'
-        '$redLine'
-    );
-    beforeExit?.call();
-    exit(1);
+    exitWithError(<String>[
+      if (failureMessage != null)
+        failureMessage
+      else
+        '${bold}ERROR: ${red}Last command exited with $exitCode (expected: ${expectNonZeroExit ? (expectedExitCode ?? 'non-zero') : 'zero'}).$reset',
+      '${bold}Command: $green$commandDescription$reset',
+      '${bold}Relative working directory: $cyan$relativeWorkingDir$reset',
+    ]);
   }
+  print('$clock ELAPSED TIME: ${prettyPrintDuration(time.elapsed)} for $green$commandDescription$reset in $cyan$relativeWorkingDir$reset');
 }
 
 Future<void> runCommand(String executable, List<String> arguments, {
@@ -97,9 +65,10 @@ Future<void> runCommand(String executable, List<String> arguments, {
   bool skip = false,
   bool Function(String) removeLine,
 }) async {
-  assert((outputMode == OutputMode.capture) == (output != null),
-      'The output parameter must be non-null with and only with '
-      'OutputMode.capture');
+  assert(
+    (outputMode == OutputMode.capture) == (output != null),
+    'The output parameter must be non-null with and only with OutputMode.capture',
+  );
 
   final String commandDescription = '${path.relative(executable, from: workingDirectory)} ${arguments.join(' ')}';
   final String relativeWorkingDir = path.relative(workingDirectory);
@@ -137,18 +106,12 @@ Future<void> runCommand(String executable, List<String> arguments, {
   }
 
   final int exitCode = await process.exitCode;
-  print('$clock ELAPSED TIME: ${prettyPrintDuration(time.elapsed)} for $green$commandDescription$reset in $cyan$relativeWorkingDir$reset');
-
   if (output != null) {
     output.stdout = _flattenToString(await savedStdout);
     output.stderr = _flattenToString(await savedStderr);
   }
 
   if ((exitCode == 0) == expectNonZeroExit || (expectedExitCode != null && exitCode != expectedExitCode)) {
-    if (failureMessage != null) {
-      print(failureMessage);
-    }
-
     // Print the output when we get unexpected results (unless output was
     // printed already).
     switch (outputMode) {
@@ -160,15 +123,16 @@ Future<void> runCommand(String executable, List<String> arguments, {
         stderr.writeln(_flattenToString(await savedStderr));
         break;
     }
-    print(
-        '$redLine\n'
-        '${bold}ERROR: ${red}Last command exited with $exitCode (expected: ${expectNonZeroExit ? (expectedExitCode ?? 'non-zero') : 'zero'}).$reset\n'
-        '${bold}Command: $green$commandDescription$reset\n'
-        '${bold}Relative working directory: $cyan$relativeWorkingDir$reset\n'
-        '$redLine'
-    );
-    exit(1);
+    exitWithError(<String>[
+      if (failureMessage != null)
+        failureMessage
+      else
+        '${bold}ERROR: ${red}Last command exited with $exitCode (expected: ${expectNonZeroExit ? (expectedExitCode ?? 'non-zero') : 'zero'}).$reset',
+      '${bold}Command: $green$commandDescription$reset',
+      '${bold}Relative working directory: $cyan$relativeWorkingDir$reset',
+    ]);
   }
+  print('$clock ELAPSED TIME: ${prettyPrintDuration(time.elapsed)} for $green$commandDescription$reset in $cyan$relativeWorkingDir$reset');
 }
 
 /// Flattens a nested list of UTF-8 code units into a single string.

dev/bots/test.dart

@@ -13,6 +13,7 @@ import 'package:path/path.dart' as path;
 
 import 'flutter_compact_formatter.dart';
 import 'run_command.dart';
+import 'utils.dart';
 
 typedef ShardRunner = Future<void> Function();
 
@@ -98,6 +99,8 @@ const List<String> kWebTestFileBlacklist = <String>[
 /// SHARD=tool_tests bin/cache/dart-sdk/bin/dart dev/bots/test.dart
 /// bin/cache/dart-sdk/bin/dart dev/bots/test.dart --local-engine=host_debug_unopt
 Future<void> main(List<String> args) async {
+  print('$clock STARTING ANALYSIS');
+  try {
     flutterTestArgs.addAll(args);
     if (Platform.environment.containsKey(CIRRUS_TASK_NAME))
       print('Running task: ${Platform.environment[CIRRUS_TASK_NAME]}');
@@ -114,6 +117,10 @@ Future<void> main(List<String> args) async {
       'tool_tests': _runToolTests,
       'web_tests': _runWebTests,
     });
+  } on ExitException catch (error) {
+    error.apply();
+  }
+  print('$clock ${bold}Test successful.$reset');
 }
 
 Future<void> _runSmokeTests() async {
@@ -195,12 +202,8 @@ Future<void> _runSmokeTests() async {
 
   // Verify that we correctly generated the version file.
   final String versionError = await verifyVersion(File(path.join(flutterRoot, 'version')));
-  if (versionError != null) {
-    print(redLine);
-    print(versionError);
-    print(redLine);
-    exit(1);
-  }
+  if (versionError != null)
+    exitWithError(<String>[versionError]);
 }
 
 Future<bq.BigqueryApi> _getBigqueryApi() async {
@@ -624,13 +627,17 @@ Future<void> _pubRunTest(String workingDirectory, {
   }
   if (useFlutterTestFormatter) {
     final FlutterCompactFormatter formatter = FlutterCompactFormatter();
-    final Stream<String> testOutput = runAndGetStdout(
+    Stream<String> testOutput;
+    try {
+      testOutput = runAndGetStdout(
         pub,
         args,
         workingDirectory: workingDirectory,
         environment: pubEnvironment,
-      beforeExit: formatter.finish,
       );
+    } finally {
+      formatter.finish();
+    }
     await _processTestOutput(formatter, testOutput, tableData);
   } else {
     await runCommand(
@@ -707,26 +714,26 @@ Future<void> _runFlutterTest(String workingDirectory, {
 
     if (outputChecker != null) {
       final String message = outputChecker(output);
-      if (message != null) {
-        print('$redLine');
-        print(message);
-        print('$redLine');
-        exit(1);
-      }
+      if (message != null)
+        exitWithError(<String>[message]);
     }
     return;
   }
 
   if (useFlutterTestFormatter) {
     final FlutterCompactFormatter formatter = FlutterCompactFormatter();
-    final Stream<String> testOutput = runAndGetStdout(
+    Stream<String> testOutput;
+    try {
+      testOutput = runAndGetStdout(
         flutter,
         args,
         workingDirectory: workingDirectory,
         expectNonZeroExit: expectFailure,
-      beforeExit: formatter.finish,
         environment: environment,
       );
+    } finally {
+      formatter.finish();
+    }
     await _processTestOutput(formatter, testOutput, tableData);
   } else {
     await runCommand(

dev/bots/test/analyze-test-input/root/packages/foo/serviceaccount.enc

+
\ No newline at end of file

dev/bots/test/analyze-test-input/root/packages/foo/spaces.txt

+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+Trailing space: 
+               ^
+
+Extra blank line:
+

dev/bots/test/analyze_test.dart

@@ -7,6 +7,7 @@ import 'dart:io';
 import 'package:path/path.dart' as path;
 
 import '../analyze.dart';
+import '../utils.dart';
 import 'common.dart';
 
 typedef AsyncVoidCallback = Future<void> Function();
@@ -31,8 +32,10 @@ Future<String> capture(AsyncVoidCallback callback, { int exitCode = 0 }) async {
 }
 
 void main() {
+  final String testRootPath = path.join('test', 'analyze-test-input', 'root');
+
   test('analyze.dart - verifyDeprecations', () async {
-    final String result = await capture(() => verifyDeprecations(path.join('test', 'analyze-test-input', 'root')), exitCode: 1);
+    final String result = await capture(() => verifyDeprecations(testRootPath, minimumMatches: 2), exitCode: 1);
     expect(result,
       '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n'
       +
@@ -50,31 +53,73 @@ void main() {
       )
       +
       'See: https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes\n'
-      '\n'
       '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n'
-      '\n'
     );
   });
 
   test('analyze.dart - verifyNoMissingLicense', () async {
-    final String result = await capture(() => verifyNoMissingLicense(path.join('test', 'analyze-test-input', 'root')), exitCode: 1);
+    final String result = await capture(() => verifyNoMissingLicense(testRootPath, checkMinimums: false), exitCode: 1);
     expect(result,
       '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n'
       +
       (
         'The following 1 file does not have the right license header:\n'
-        '\n'
         'test/analyze-test-input/root/packages/foo/foo.dart\n'
         .replaceAll('/', Platform.isWindows ? '\\' : '/')
       )
       +
-      '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n'
-      '\n'
       'The expected license header is:\n'
       '// Copyright 2014 The Flutter Authors. All rights reserved.\n'
       '// Use of this source code is governed by a BSD-style license that can be\n'
       '// found in the LICENSE file.\n'
       '...followed by a blank line.\n'
+      '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n'
     );
   });
+
+  test('analyze.dart - verifyNoTrailingSpaces', () async {
+    final String result = await capture(() => verifyNoTrailingSpaces(testRootPath, minimumMatches: 2), exitCode: 1);
+    expect(result,
+      '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n'
+      +
+      (
+        'test/analyze-test-input/root/packages/foo/spaces.txt:5: trailing U+0020 space character\n'
+        'test/analyze-test-input/root/packages/foo/spaces.txt:9: trailing blank line\n'
+        .replaceAll('/', Platform.isWindows ? '\\' : '/')
+      )
+      +
+      '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n'
+    );
+  });
+
+  test('analyze.dart - verifyNoBinaries - positive', () async {
+    final String result = await capture(() => verifyNoBinaries(
+      testRootPath,
+      grandfatheredBinaries: <Hash256>{Hash256(0x39A050CD69434936, 0, 0, 0)},
+    ), exitCode: Platform.isWindows ? 0 : 1);
+    if (!Platform.isWindows) {
+      // The output starts with the call to git ls-files, the details of which
+      // change from run to run, so we only check the trailing end of the output.
+      expect(result, endsWith('\n'
+        '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n'
+        'test/analyze-test-input/root/packages/foo/serviceaccount.enc:0: file is not valid UTF-8\n'
+        'All files in this repository must be UTF-8. In particular, images and other binaries\n'
+        'must not be checked into this repository. This is because we are very sensitive to the\n'
+        'size of the repository as it is distributed to all our developers. If you have a binary\n'
+        'to which you need access, you should consider how to fetch it from another repository;\n'
+        'for example, the "assets-for-api-docs" repository is used for images in API docs.\n'
+        '━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n'
+      ));
+    }
+  });
+
+  test('analyze.dart - verifyNoBinaries - negative', () async {
+    await capture(() => verifyNoBinaries(
+      testRootPath,
+      grandfatheredBinaries: <Hash256>{
+        Hash256(0xA8100AE6AA1940D0, 0xB663BB31CD466142, 0xEBBDBD5187131B92, 0xD93818987832EB89), // sha256("\xff")
+        Hash256(0x155644D3F13D98BF, 0, 0, 0),
+      },
+    ), exitCode: 0);
+  });
 }

dev/bots/utils.dart

+// Copyright 2014 The Flutter Authors. 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:core' as core_internals show print;
+import 'dart:core' hide print;
+import 'dart:io' as io_internals show exit;
+import 'dart:io' hide exit;
+
+final bool hasColor = stdout.supportsAnsiEscapes;
+
+final String bold = hasColor ? '\x1B[1m' : ''; // used for shard titles
+final String red = hasColor ? '\x1B[31m' : ''; // used for errors
+final String green = hasColor ? '\x1B[32m' : ''; // used for section titles, commands
+final String yellow = hasColor ? '\x1B[33m' : ''; // unused
+final String cyan = hasColor ? '\x1B[36m' : ''; // used for paths
+final String reverse = hasColor ? '\x1B[7m' : ''; // used for clocks
+final String reset = hasColor ? '\x1B[0m' : '';
+
+class ExitException implements Exception {
+  ExitException(this.exitCode);
+
+  final int exitCode;
+
+  void apply() {
+    io_internals.exit(exitCode);
+  }
+}
+
+// We actually reimplement exit() so that it uses exceptions rather
+// than truly immediately terminating the application, so that we can
+// test the exit code in unit tests (see test/analyze_test.dart).
+void exit(int exitCode) {
+  throw ExitException(exitCode);
+}
+
+void exitWithError(List<String> messages) {
+  final String redLine = '$red━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━$reset';
+  print(redLine);
+  messages.forEach(print);
+  print(redLine);
+  exit(1);
+}
+
+typedef PrintCallback = void Function(Object line);
+
+// Allow print() to be overridden, for tests.
+PrintCallback print = core_internals.print;
+
+String get clock {
+  final DateTime now = DateTime.now();
+  return '$reverse▌'
+         '${now.hour.toString().padLeft(2, "0")}:'
+         '${now.minute.toString().padLeft(2, "0")}:'
+         '${now.second.toString().padLeft(2, "0")}'
+         '▐$reset';
+}
+
+String prettyPrintDuration(Duration duration) {
+  String result = '';
+  final int minutes = duration.inMinutes;
+  if (minutes > 0)
+    result += '${minutes}min ';
+  final int seconds = duration.inSeconds - minutes * 60;
+  final int milliseconds = duration.inMilliseconds - (seconds * 1000 + minutes * 60 * 1000);
+  result += '$seconds.${milliseconds.toString().padLeft(3, "0")}s';
+  return result;
+}
+
+void printProgress(String action, String workingDir, String command) {
+  print('$clock $action: cd $cyan$workingDir$reset; $green$command$reset');
+}

dev/ci/docker_linux/README.md

@@ -10,4 +10,3 @@ After setup,
 * run `./docker_build.sh` to build the container image.
 * run `./docker_push.sh` to push the image to google cloud registry. This will
   affect our CI tests.
-

dev/devicelab/bin/tasks/flutter_run_test.dart

@@ -63,4 +63,3 @@ Future<TaskResult> createFlutterRunTask() async {
     ? TaskResult.success(<String, dynamic>{})
     : TaskResult.failure('Test did not execute as expected.');
 }
-

dev/devicelab/bin/tasks/tiles_scroll_perf__timeline_summary.dart

@@ -12,4 +12,3 @@ Future<void> main() async {
   deviceOperatingSystem = DeviceOperatingSystem.android;
   await task(createTilesScrollPerfTest());
 }
-

dev/devicelab/pubspec.yaml

@@ -43,12 +43,12 @@ dev_dependencies:
 
   analyzer: 0.38.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -77,4 +77,4 @@ dev_dependencies:
   watcher: 0.9.7+13 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: 9e46
+# PUBSPEC CHECKSUM: d549

dev/integration_tests/README.md

@@ -11,4 +11,3 @@ you can use this command from the appropriate subdirectory:
 ```shell
 % flutter drive
 ```
-

dev/integration_tests/android_embedding_v2_smoke_test/pubspec.yaml

@@ -20,12 +20,12 @@ dependencies:
   flutter:
     sdk: flutter
   # This plugin is using Android Embedding 1
-  battery: 0.3.1+4
+  battery: 0.3.1+7
   # TODO(egarciad): Add a plugin that uses Android Embedding 2
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: 0.1.2
+  cupertino_icons: 0.1.3
 
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.1.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -100,4 +100,4 @@ flutter:
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages
 
-# PUBSPEC CHECKSUM: fad6
+# PUBSPEC CHECKSUM: 6dda

dev/integration_tests/android_semantics_testing/pubspec.yaml

@@ -15,14 +15,14 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   intl: 0.16.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -68,4 +68,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: f2a9
+# PUBSPEC CHECKSUM: f0ac

dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/pubspec.yaml

@@ -22,7 +22,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: 0.1.2
+  cupertino_icons: 0.1.3
 
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.1.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -49,14 +49,14 @@ dev_dependencies:
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -138,4 +138,4 @@ flutter:
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages
 
-# PUBSPEC CHECKSUM: 8095
+# PUBSPEC CHECKSUM: dd99

dev/integration_tests/android_splash_screens/splash_screen_load_rotate/pubspec.yaml

@@ -22,7 +22,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: 0.1.2
+  cupertino_icons: 0.1.3
 
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.1.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -97,4 +97,4 @@ flutter:
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages
 
-# PUBSPEC CHECKSUM: 712e
+# PUBSPEC CHECKSUM: 6e2f

dev/integration_tests/android_splash_screens/splash_screen_trans_rotate/pubspec.yaml

@@ -22,7 +22,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: 0.1.2
+  cupertino_icons: 0.1.3
 
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.1.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -49,14 +49,14 @@ dev_dependencies:
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -138,4 +138,4 @@ flutter:
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages
 
-# PUBSPEC CHECKSUM: 8095
+# PUBSPEC CHECKSUM: dd99

dev/integration_tests/android_views/README.md

@@ -29,4 +29,3 @@ assets_for_android_view package which lives in the goldens repository.
 When running this test with `flutter drive` the record touch sequences is
 replayed and the test asserts that the events that got to FlutterView are
 equivalent to the ones that got to the embedded view.
-

dev/integration_tests/android_views/android/app/src/main/java/io/flutter/integration/androidviews/MainActivity.java

@@ -101,4 +101,3 @@ public class MainActivity extends FlutterActivity implements MethodChannel.Metho
         permissionResult = null;
     }
 }
-

dev/integration_tests/android_views/pubspec.yaml

@@ -7,7 +7,7 @@ dependencies:
     sdk: flutter
   flutter_driver:
     sdk: flutter
-  path_provider: 1.4.5
+  path_provider: 1.5.1
   collection: 1.14.11
   assets_for_android_views:
     git:
@@ -44,12 +44,12 @@ dev_dependencies:
   archive: 2.0.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.5.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -86,4 +86,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 4173
+# PUBSPEC CHECKSUM: 8273

dev/integration_tests/channels/pubspec.yaml

@@ -19,14 +19,14 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   intl: 0.16.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -72,4 +72,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: f2a9
+# PUBSPEC CHECKSUM: f0ac

dev/integration_tests/codegen/pubspec.yaml

@@ -37,12 +37,12 @@ dev_dependencies:
   analyzer: 0.38.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.5.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -79,4 +79,4 @@ builders:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: f2a9
+# PUBSPEC CHECKSUM: f0ac

dev/integration_tests/external_ui/pubspec.yaml

@@ -19,14 +19,14 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   intl: 0.16.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -72,4 +72,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: f2a9
+# PUBSPEC CHECKSUM: f0ac

dev/integration_tests/flavors/pubspec.yaml

@@ -19,14 +19,14 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   intl: 0.16.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -72,4 +72,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: f2a9
+# PUBSPEC CHECKSUM: f0ac

dev/integration_tests/flutter_driver_screenshot_test/pubspec.yaml

@@ -9,8 +9,8 @@ dependencies:
     sdk: flutter
   flutter_driver:
     sdk: flutter
-  cupertino_icons: 0.1.2
-  device_info: 0.4.1+2
+  cupertino_icons: 0.1.3
+  device_info: 0.4.1+4
 
   async: 2.4.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -38,12 +38,12 @@ dev_dependencies:
   analyzer: 0.38.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.5.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -78,4 +78,4 @@ flutter:
   assets:
     - assets/
 
-# PUBSPEC CHECKSUM: e877
+# PUBSPEC CHECKSUM: cf7d

dev/integration_tests/image_loading/pubspec.yaml

@@ -14,13 +14,13 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -63,4 +63,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: a6c7
+# PUBSPEC CHECKSUM: 81ca

dev/integration_tests/ios_add2app/build_and_test.sh

@@ -24,4 +24,3 @@ set -o pipefail && xcodebuild \
   -scheme ios_add2appTests \
   -sdk "iphonesimulator$os_version" \
   -destination "OS=$os_version,name=iPhone X" test | $PRETTY
-

dev/integration_tests/ios_add2app/flutterapp/pubspec.yaml

@@ -22,7 +22,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: 0.1.2
+  cupertino_icons: 0.1.3
 
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.1.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -105,4 +105,4 @@ flutter:
     androidPackage: com.example.iosadd2appflutter
     iosBundleIdentifier: com.example.iosAdd2appFlutter
 
-# PUBSPEC CHECKSUM: 712e
+# PUBSPEC CHECKSUM: 6e2f

dev/integration_tests/ios_host_app/Host/AppDelegate.h

@@ -7,4 +7,3 @@
 
 @interface AppDelegate : FlutterAppDelegate
 @end
-

dev/integration_tests/ios_host_app/Host/ViewController.h

@@ -6,4 +6,3 @@
 
 @interface ViewController : UIViewController
 @end
-

dev/integration_tests/platform_interaction/pubspec.yaml

@@ -19,14 +19,14 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   intl: 0.16.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -72,4 +72,4 @@ dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: f2a9
+# PUBSPEC CHECKSUM: f0ac

dev/integration_tests/release_smoke_test/pubspec.yaml

@@ -17,7 +17,7 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  e2e: 0.2.1+1
+  e2e: 0.2.2+3
 
   archive: 2.0.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   args: 1.5.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -40,4 +40,4 @@ dev_dependencies:
   test_api: 0.2.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   xml: 3.5.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: b92d
+# PUBSPEC CHECKSUM: b430

dev/integration_tests/ui/pubspec.yaml

@@ -21,14 +21,14 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   intl: 0.16.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -82,4 +82,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 1cf0
+# PUBSPEC CHECKSUM: 59f3

dev/snippets/pubspec.yaml

@@ -47,8 +47,8 @@ dev_dependencies:
   test: 1.9.4
 
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -101,4 +101,4 @@ executables:
   vm_service_client: 0.2.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   web_socket_channel: 1.0.9 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: a7d1
+# PUBSPEC CHECKSUM: 60d4

dev/tools/gen_keycodes/data/supplemental_hid_codes.inc

@@ -49,4 +49,3 @@
   // give it a Mac keycode. This overrides their definition.
   //        USB HID    evdev    XKB     Win    Mac  DOMKey         Code
    USB_KEYMAP(0x000012, 0x0000, 0x0000, 0x0000, 0x003f, "Fn", FN),
-

dev/tools/gen_keycodes/pubspec.yaml

@@ -7,7 +7,7 @@ environment:
 
 dependencies:
   args: 1.5.2
-  http: 0.12.0+2
+  http: 0.12.0+3
   path: 1.6.4
   platform: 2.2.1
 
@@ -22,4 +22,4 @@ dependencies:
   term_glyph: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.1.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: 613a
+# PUBSPEC CHECKSUM: 853b

dev/tools/pubspec.yaml

@@ -8,7 +8,7 @@ environment:
 dependencies:
   archive: 2.0.11
   args: 1.5.2
-  http: 0.12.0+2
+  http: 0.12.0+3
   intl: 0.16.0
   meta: 1.1.8
   path: 1.6.4
@@ -35,7 +35,7 @@ dev_dependencies:
 
   analyzer: 0.38.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -69,4 +69,4 @@ dev_dependencies:
   web_socket_channel: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 2.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
-# PUBSPEC CHECKSUM: 3590
+# PUBSPEC CHECKSUM: cc93

dev/tools/vitool/test/vitool_test.dart

@@ -696,4 +696,3 @@ class PathAnimationMatcher extends Matcher {
 String testAsset(String name) {
   return path.join(kPackagePath, 'test_assets', name);
 }
-

examples/catalog/pubspec.yaml

@@ -29,14 +29,14 @@ dev_dependencies:
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -82,4 +82,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 1cf0
+# PUBSPEC CHECKSUM: 59f3

examples/flutter_gallery/lib/demo/material/slider_demo.dart

@@ -438,4 +438,3 @@ class _RangeSlidersState extends State<_RangeSliders> {
     );
   }
 }
-

examples/flutter_gallery/pubspec.yaml

@@ -8,13 +8,13 @@ dependencies:
   flutter:
     sdk: flutter
   collection: 1.14.11
-  device_info: 0.4.1+2
+  device_info: 0.4.1+4
   intl: 0.16.0
-  connectivity: 0.4.5+6
+  connectivity: 0.4.6+1
   string_scanner: 1.0.5
-  url_launcher: 5.2.7
-  cupertino_icons: 0.1.2
-  video_player: 0.10.3+3
+  url_launcher: 5.4.1
+  cupertino_icons: 0.1.3
+  video_player: 0.10.5
   scoped_model: 1.0.1
   shrine_images: 1.1.2
 
@@ -25,11 +25,16 @@ dependencies:
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.1.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.6.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  plugin_platform_interface: 1.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   source_span: 1.5.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   term_glyph: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   typed_data: 1.1.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  url_launcher_platform_interface: 1.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  url_launcher_macos: 0.0.1+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  url_launcher_platform_interface: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  url_launcher_web: 0.1.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   vector_math: 2.0.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  video_player_platform_interface: 1.0.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  video_player_web: 0.1.1+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 dev_dependencies:
   flutter_test:
@@ -46,14 +51,14 @@ dev_dependencies:
   async: 2.4.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -265,4 +270,4 @@ flutter:
       - asset: packages/flutter_gallery_assets/fonts/merriweather/Merriweather-Regular.ttf
       - asset: packages/flutter_gallery_assets/fonts/merriweather/Merriweather-Light.ttf
 
-# PUBSPEC CHECKSUM: ab21
+# PUBSPEC CHECKSUM: 3a6a

examples/flutter_view/ios/Runner/MainViewController.h

@@ -15,4 +15,3 @@
 
 @interface MainViewController : UIViewController <NativeViewControllerDelegate>
 @end
-

examples/image_list/pubspec.yaml

@@ -12,7 +12,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: 0.1.2
+  cupertino_icons: 0.1.3
 
   collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   meta: 1.1.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -60,4 +60,4 @@ flutter:
   assets:
    - images/coast.jpg
 
-# PUBSPEC CHECKSUM: 712e
+# PUBSPEC CHECKSUM: 6e2f

examples/platform_channel/pubspec.yaml

@@ -27,14 +27,14 @@ dev_dependencies:
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -81,4 +81,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 1cf0
+# PUBSPEC CHECKSUM: 59f3

examples/platform_channel_swift/pubspec.yaml

@@ -27,14 +27,14 @@ dev_dependencies:
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   convert: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   crypto: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   csslib: 0.16.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   front_end: 0.1.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   glob: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   html: 0.14.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  http: 0.12.0+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  http: 0.12.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -81,4 +81,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: 1cf0
+# PUBSPEC CHECKSUM: 59f3

examples/platform_view/ios/Runner/PlatformViewController.m

@@ -34,6 +34,3 @@
 }
 
 @end
-
-
-

examples/stocks/pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
     sdk: flutter
   intl: 0.16.0
   intl_translation: 0.17.7
-  http: 0.12.0+2
+  http: 0.12.0+3
   isolate: 2.0.2
 
   analyzer: 0.38.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -54,7 +54,7 @@ dev_dependencies:
 
   archive: 2.0.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   boolean_selector: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  coverage: 0.13.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  coverage: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   file: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   http_multi_server: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   image: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -86,4 +86,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
 
-# PUBSPEC CHECKSUM: e110
+# PUBSPEC CHECKSUM: 4813

packages/flutter/lib/src/material/scaffold.dart

@@ -2574,11 +2574,12 @@ class PersistentBottomSheetController<T> extends ScaffoldFeatureController<_Stan
 
 class _ScaffoldScope extends InheritedWidget {
   const _ScaffoldScope({
+    Key key,
     @required this.hasDrawer,
     @required this.geometryNotifier,
     @required Widget child,
   }) : assert(hasDrawer != null),
-       super(child: child);
+       super(key: key, child: child);
 
   final bool hasDrawer;
   final _ScaffoldGeometryNotifier geometryNotifier;

packages/flutter/lib/src/services/keyboard_maps.dart

@@ -2007,4 +2007,3 @@ const Map<String, LogicalKeyboardKey> kWebNumPadMap = <String, LogicalKeyboardKe
   'NumpadParenLeft': LogicalKeyboardKey.numpadParenLeft,
   'NumpadParenRight': LogicalKeyboardKey.numpadParenRight,
 };
-

packages/flutter/lib/src/widgets/annotated_region.dart

@@ -54,4 +54,3 @@ class AnnotatedRegion<T> extends SingleChildRenderObjectWidget {
       ..sized = sized;
   }
 }
-

packages/flutter/lib/src/widgets/sliver.dart

@@ -1097,12 +1097,13 @@ class _SliverFillViewportRenderObjectWidget extends SliverMultiBoxAdaptorWidget
 
 class _SliverFractionalPadding extends SingleChildRenderObjectWidget {
   const _SliverFractionalPadding({
+    Key key,
     this.viewportFraction = 0,
     Widget sliver,
   }) : assert(viewportFraction != null),
        assert(viewportFraction >= 0),
        assert(viewportFraction <= 0.5),
-       super(child: sliver);
+       super(key: key, child: sliver);
 
   final double viewportFraction;
 

packages/flutter/test/material/bottom_app_bar_test.dart

@@ -466,4 +466,3 @@ class RectangularNotch extends NotchedShape {
       ..close();
   }
 }
-

packages/flutter/test/material/range_slider_test.dart

@@ -1569,4 +1569,3 @@ void main() {
     ]);
   });
 }
-

packages/flutter/test/painting/image_cache_test.dart

@@ -214,4 +214,3 @@ void main() {
     });
   });
 }
-

packages/flutter/test/widgets/semantics_9_test.dart

@@ -155,4 +155,3 @@ class RenderBoundaryBlockSemantics extends RenderProxyBox {
       ..isSemanticBoundary = true;
   }
 }
-

packages/flutter/test/widgets/shader_mask_test.dart

@@ -110,4 +110,3 @@ void main() {
     );
   }, skip: isBrowser);
 }
-

packages/flutter/test/widgets/test_border.dart

@@ -34,4 +34,3 @@ class TestBorder extends ShapeBorder {
     onLog('paint $rect $textDirection');
   }
 }
-

packages/flutter/test/widgets/ticker_provider_test.dart

@@ -310,4 +310,3 @@ class _SingleTickerCreateMultipleTickerState extends State<_SingleTickerCreateMu
     return Container();
   }
 }
-

packages/flutter_tools/lib/src/base/fingerprint.dart

@@ -191,5 +191,3 @@ Set<String> readDepfile(String depfilePath) {
       .where((String path) => path.isNotEmpty)
       .toSet();
 }
-
-

packages/flutter_tools/lib/src/build_system/targets/android.dart

@@ -290,4 +290,3 @@ const Target androidx64ProfileBundle = AndroidAotBundle(androidx64Profile);
 const Target androidArmReleaseBundle = AndroidAotBundle(androidArmRelease);
 const Target androidArm64ReleaseBundle = AndroidAotBundle(androidArm64Release);
 const Target androidx64ReleaseBundle = AndroidAotBundle(androidx64Release);
-

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

@@ -275,11 +275,12 @@ class UpdatePackagesCommand extends FlutterCommand {
       // here.
       for (PubspecYaml pubspec in pubspecs) {
         final String package = pubspec.name;
-        final String version = pubspec.version;
+        specialDependencies.add(package);
+        tree._versions[package] = pubspec.version;
+        assert(!tree._dependencyTree.containsKey(package));
+        tree._dependencyTree[package] = <String>{};
         for (PubspecDependency dependency in pubspec.dependencies) {
           if (dependency.kind == DependencyKind.normal) {
-            tree._versions[package] = version;
-            tree._dependencyTree[package] ??= <String>{};
             tree._dependencyTree[package].add(dependency.name);
           }
         }
@@ -765,12 +766,16 @@ class PubspecYaml {
     final List<String> transitiveDependenciesAsList = transitiveDependencies.toList()..sort();
     final List<String> transitiveDevDependenciesAsList = transitiveDevDependencies.toList()..sort();
 
+    String computeTransitiveDependencyLineFor(String package) {
+      return '  $package: ${versions.versionFor(package)} $kTransitiveMagicString';
+    }
+
     // Add a line for each transitive dependency and transitive dev dependency using our magic string to recognize them later.
     for (String package in transitiveDependenciesAsList) {
-      transitiveDependencyOutput.add('  $package: ${versions.versionFor(package)} $kTransitiveMagicString');
+      transitiveDependencyOutput.add(computeTransitiveDependencyLineFor(package));
     }
     for (String package in transitiveDevDependenciesAsList) {
-      transitiveDevDependencyOutput.add('  $package: ${versions.versionFor(package)} $kTransitiveMagicString');
+      transitiveDevDependencyOutput.add(computeTransitiveDependencyLineFor(package));
     }
 
     // Build a sorted list of all dependencies for the checksum.
@@ -1239,7 +1244,7 @@ class PubDependencyTree {
   }
 
   /// The transitive closure of all the dependencies for the given package,
-  /// excluding any listen in `seen`.
+  /// excluding any listed in `seen`.
   Iterable<String> getTransitiveDependenciesFor(
     String package, {
     @required Set<String> seen,

packages/flutter_tools/pubspec.yaml

@@ -11,12 +11,12 @@ dependencies:
   # To update these, use "flutter update-packages --force-upgrade".
   archive: 2.0.11
   args: 1.5.2
-  dwds: 0.8.1
+  dwds: 0.8.5
   completion: 0.2.1+1
-  coverage: 0.13.3+1
+  coverage: 0.13.3+3
   crypto: 2.1.3
   file: 5.1.0
-  http: 0.12.0+2
+  http: 0.12.0+3
   intl: 0.16.0
   json_rpc_2: 2.1.0
   linter: 0.1.101
@@ -46,7 +46,7 @@ dependencies:
   test_core: 0.2.15
 
   # Code generation dependencies
-  build_runner_core: 4.2.0
+  build_runner_core: 4.3.0
   dart_style: 1.3.3
   code_builder: 3.2.1
   build: 1.2.2
@@ -78,7 +78,7 @@ dependencies:
   http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   io: 0.3.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   js: 0.6.1+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  json_annotation: 3.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
+  json_annotation: 3.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   kernel: 0.3.27 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   logging: 0.11.3+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   matcher: 0.12.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -118,7 +118,7 @@ dev_dependencies:
   test: 1.9.4
   build_runner: 1.7.2
   build_vm_compilers: 1.0.4
-  build_test: 0.10.10
+  build_test: 0.10.11
 
   multi_server_socket: 1.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   node_preamble: 1.4.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -128,4 +128,4 @@ dartdoc:
   # Exclude this package from the hosted API docs.
   nodoc: true
 
-# PUBSPEC CHECKSUM: de88
+# PUBSPEC CHECKSUM: a092

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

@@ -197,4 +197,3 @@ flutter:
 }
 
 class MockDirectory extends Mock implements Directory {}
-

packages/flutter_tools/test/general.shard/build_system/depfile_test.dart

@@ -135,4 +135,3 @@ file:///Users/foo/canonicalized_map.dart
     FileSystem: () => MemoryFileSystem(style: FileSystemStyle.posix)
   }));
 }
-

packages/flutter_tools/test/general.shard/build_system/targets/android_test.dart

@@ -185,4 +185,3 @@ void main() {
 }
 
 class MockGenSnapshot extends Mock implements GenSnapshot {}
-

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

@@ -674,6 +674,4 @@ flutter:
     );
 
   });
-
 }
-

packages/flutter_tools/test/general.shard/web/chrome_test.dart

@@ -107,4 +107,3 @@ void main() {
 class MockProcessManager extends Mock implements ProcessManager {}
 class MockPlatform extends Mock implements Platform {}
 class MockOperatingSystemUtils extends Mock implements OperatingSystemUtils {}
-