Revert "Adding minzip to packaging steps for Windows (#13679)" (#13716)

This reverts commit 765191e7. because the updated packages cause a gradle build problem.

Revert "Adding minzip to packaging steps for Windows (#13679)" (#13716)
This reverts commit 765191e7. because the updated packages cause a gradle build problem.
dd796853 · Greg Spencer · GitHub · 765191e7 · dd796853 · dd796853
Unverified Commit dd796853 authored Dec 21, 2017 by Greg Spencer Committed by GitHub Dec 21, 2017
27 changed files
--- a/dev/automated_tests/pubspec.yaml
+++ b/dev/automated_tests/pubspec.yaml
@@ -38,7 +38,7 @@ dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/dev/benchmarks/complex_layout/pubspec.yaml
+++ b/dev/benchmarks/complex_layout/pubspec.yaml
@@ -53,7 +53,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/dev/benchmarks/microbenchmarks/pubspec.yaml
+++ b/dev/benchmarks/microbenchmarks/pubspec.yaml
@@ -34,7 +34,7 @@ dependencies:
  package_config: 1.0.3 # TRANSITIVE DEPENDENCY
  package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
  path: 1.5.1 # TRANSITIVE DEPENDENCY
-  petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  petitparser: 1.6.1 # TRANSITIVE DEPENDENCY
  pool: 1.3.3 # TRANSITIVE DEPENDENCY
  pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
  quiver: 0.26.2 # TRANSITIVE DEPENDENCY
@@ -46,7 +46,7 @@ dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/dev/bots/prepare_package.dart
+++ b/dev/bots/prepare_package.dart
@@ -2,20 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

-import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
-import 'dart:typed_data';

 import 'package:args/args.dart';
 import 'package:path/path.dart' as path;
-import 'package:http/http.dart' as http;

 const String CHROMIUM_REPO =
    'https://chromium.googlesource.com/external/github.com/flutter/flutter';
 const String GITHUB_REPO = 'https://github.com/flutter/flutter.git';
-const String MINGIT_FOR_WINDOWS_URL = 'https://storage.googleapis.com/flutter_infra/mingit/'
-  '603511c649b00bbef0a6122a827ac419b656bc19/mingit.zip';

 /// The type of the process runner function.  This allows us to
 /// inject a fake process runner into the ArchiveCreator for tests.
@@ -44,16 +39,16 @@ class ProcessFailedException extends Error {

 /// Creates a pre-populated Flutter archive from a git repo.
 class ArchiveCreator {
-  /// [tmpDir] is the directory to use for creating the archive.  Will place
+  /// [tempDir] is the directory to use for creating the archive.  Will place
  /// several GiB of data there, so it should have available space.
  /// [outputFile] is the name of the output archive. It should end in either
  /// ".tar.xz" or ".zip".
  /// The runner argument is used to inject a mock of [Process.runSync] for
  /// testing purposes.
-  ArchiveCreator(this.tmpDir, this.outputFile, {ProcessRunner runner})
+  ArchiveCreator(this.tempDir, this.outputFile, {ProcessRunner runner})
      : assert(outputFile.path.toLowerCase().endsWith('.zip') ||
            outputFile.path.toLowerCase().endsWith('.tar.xz')),
-        flutterRoot = new Directory(path.join(tmpDir.path, 'flutter')),
+        flutterRoot = new Directory(path.join(tempDir.path, 'flutter')),
        _runner = runner ?? Process.runSync {
    flutter = path.join(
      flutterRoot.absolute.path,
@@ -65,31 +60,22 @@ class ArchiveCreator {
  }

  final Directory flutterRoot;
-  final Directory tmpDir;
+  final Directory tempDir;
  final File outputFile;
  final ProcessRunner _runner;
  String flutter;
  final String git = Platform.isWindows ? 'git.bat' : 'git';
  final String zip = Platform.isWindows ? '7za.exe' : 'zip';
  final String tar = Platform.isWindows ? 'tar.exe' : 'tar';
-  final Uri minGitUri = Uri.parse(MINGIT_FOR_WINDOWS_URL);
  Map<String, String> environment;

-  /// Performs all of the steps needed to create an archive.
-  Future<Null> createArchive(String revision) async {
-    checkoutFlutter(revision);
-    await installMinGitIfNeeded();
-    populateCaches();
-    archiveFiles();
-  }
-
  /// Clone the Flutter repo and make sure that the git environment is sane
  /// for when the user will unpack it.
  void checkoutFlutter(String revision) {
    // We want the user to start out the in the 'master' branch instead of a
    // detached head. To do that, we need to make sure master points at the
    // desired revision.
-    runGit(<String>['clone', '-b', 'master', CHROMIUM_REPO], workingDirectory: tmpDir);
+    runGit(<String>['clone', '-b', 'master', CHROMIUM_REPO], workingDirectory: tempDir);
    runGit(<String>['reset', '--hard', revision]);

    // Make the origin point to github instead of the chromium mirror.
@@ -97,34 +83,19 @@ class ArchiveCreator {
    runGit(<String>['remote', 'add', 'origin', GITHUB_REPO]);
  }

-  /// Retrieve the MinGit executable from storage and unpack it.
-  Future<Null> installMinGitIfNeeded() async {
-    if (!Platform.isWindows) {
-      return;
-    }
-    final Uint8List data = await http.readBytes(minGitUri);
-    final File gitFile = new File(path.join(tmpDir.path, 'mingit.zip'));
-    await gitFile.open(mode: FileMode.WRITE);
-    await gitFile.writeAsBytes(data);
-
-    final Directory minGitPath = new Directory(path.join(flutterRoot.path, 'bin', 'mingit'));
-    await minGitPath.create(recursive: true);
-    unzipArchive(gitFile, currentDirectory: minGitPath);
-  }
-
  /// Prepare the archive repo so that it has all of the caches warmed up and
  /// is configured for the user to being working.
-  void populateCaches() {
+  void prepareArchive() {
    runFlutter(<String>['doctor']);
    runFlutter(<String>['update-packages']);
    runFlutter(<String>['precache']);
    runFlutter(<String>['ide-config']);

-    // Create each of the templates, since they will call 'pub get' on
+    // Create each of the templates, since they will call pub get on
    // themselves when created, and this will warm the cache with their
    // dependencies too.
    for (String template in <String>['app', 'package', 'plugin']) {
-      final String createName = path.join(tmpDir.path, 'create_$template');
+      final String createName = path.join(tempDir.path, 'create_$template');
      runFlutter(
        <String>['create', '--template=$template', createName],
      );
@@ -137,7 +108,7 @@ class ArchiveCreator {
  }

  /// Create the archive into the given output file.
-  void archiveFiles() {
+  void createArchive() {
    if (outputFile.path.toLowerCase().endsWith('.zip')) {
      createZipArchive(outputFile, flutterRoot);
    } else if (outputFile.path.toLowerCase().endsWith('.tar.xz')) {
@@ -182,27 +153,13 @@ class ArchiveCreator {
    return _runProcess(git, args, workingDirectory: workingDirectory);
  }

-  void unzipArchive(File archive, {Directory currentDirectory}) {
-    currentDirectory ??= new Directory(path.dirname(archive.absolute.path));
-    final List<String> args = <String>[];
-    String executable;
-    if (zip == 'zip') {
-      executable = 'unzip';
-    } else {
-      executable = zip;
-      args.addAll(<String>['x']);
-    }
-    args.add(archive.absolute.path);
-
-    _runProcess(executable, args, workingDirectory: currentDirectory);
-  }
-
  void createZipArchive(File output, Directory source) {
    final List<String> args = <String>[];
-    if (zip == 'zip') {
-      args.addAll(<String>['-r', '-9', '-q']);
-    } else {
+    if (Platform.isWindows) {
+      // We use 7-Zip on Windows, which has different args.
      args.addAll(<String>['a', '-tzip', '-mx=9']);
+    } else {
+      args.addAll(<String>['-r', '-9', '-q']);
    }
    args.addAll(<String>[
      output.absolute.path,
@@ -228,12 +185,7 @@ class ArchiveCreator {
 /// It mainly serves to populate the .pub-cache with any appropriate Dart
 /// packages, and the flutter cache in bin/cache with the appropriate
 /// dependencies and snapshots.
-///
-/// Note that archives contain the executables and customizations for the
-/// platform that they are created on.  So, for instance, a ZIP archive
-/// created on a Mac will contain Mac executables and setup, even though
-/// it's in a zip file.
-Future<Null> main(List<String> argList) async {
+void main(List<String> argList) {
  final ArgParser argParser = new ArgParser();
  argParser.addOption(
    'temp_dir',
@@ -297,7 +249,9 @@ Future<Null> main(List<String> argList) async {
  int exitCode = 0;
  String message;
  try {
-    await preparer.createArchive(args['revision']);
+    preparer.checkoutFlutter(args['revision']);
+    preparer.prepareArchive();
+    preparer.createArchive();
  } on ProcessFailedException catch (e) {
    exitCode = e.exitCode;
    message = e.message;
@@ -312,5 +266,4 @@ Future<Null> main(List<String> argList) async {
    }
    exit(0);
  }
-  return new Future<Null>.value();
 }
--- a/dev/bots/pubspec.yaml
+++ b/dev/bots/pubspec.yaml
@@ -2,13 +2,12 @@ name: tests_on_bots
 description: Scripts which run on bots.

 dependencies:
-  args: 0.13.7
-  http: 0.11.3+14
  path: 1.5.1
+  args: 0.13.7

 dev_dependencies:
-  mockito: 2.2.1
  test: 0.12.26
+  mockito: 2.2.1

  async: 1.13.3 # TRANSITIVE DEPENDENCY
  barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
@@ -18,6 +17,7 @@ dev_dependencies:
  convert: 2.0.1 # TRANSITIVE DEPENDENCY
  crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
  glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  http: 0.11.3+14 # TRANSITIVE DEPENDENCY
  http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
  http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
  io: 0.3.1 # TRANSITIVE DEPENDENCY
@@ -38,7 +38,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  typed_data: 1.1.4 # TRANSITIVE DEPENDENCY

--- a/dev/bots/test/prepare_package_test.dart
+++ b/dev/bots/test/prepare_package_test.dart
@@ -62,12 +62,7 @@ void main() {
    });

    tearDown(() async {
-      // On Windows, the directory is locked and not able to be deleted, because it is a
-      // temporary directory. So we just leave some (very small, because we're not actually
-      // building archives here) trash around to be deleted at the next reboot.
-      if (!Platform.isWindows) {
-        await tmpDir.delete(recursive: true);
-      }
+      await tmpDir.delete(recursive: true);
    });

    test('sets PUB_CACHE properly', () async {
@@ -75,7 +70,9 @@ void main() {
      preparer = new ArchiveCreator(tmpDir, outputFile, runner: runner);
      _answerWithResults();
      results = <MockProcessResult>[new MockProcessResult('deadbeef\n', '', 0)];
-      await preparer.createArchive('master');
+      preparer.checkoutFlutter('master');
+      preparer.prepareArchive();
+      preparer.createArchive();
      expect(
        verify(runner.call(
          captureAny,
@@ -93,17 +90,14 @@ void main() {
      preparer = new ArchiveCreator(tmpDir, outputFile, runner: runner);
      _answerWithResults();
      results = <MockProcessResult>[new MockProcessResult('deadbeef\n', '', 0)];
-      await preparer.createArchive('master');
+      preparer.checkoutFlutter('master');
+      preparer.prepareArchive();
+      preparer.createArchive();
      final List<String> commands = <String>[
        '$gitExe clone -b master https://chromium.googlesource.com/external/github.com/flutter/flutter',
        '$gitExe reset --hard master',
        '$gitExe remote remove origin',
        '$gitExe remote add origin https://github.com/flutter/flutter.git',
-      ];
-      if (Platform.isWindows) {
-        commands.add('$zipExe x ${path.join(tmpDir.path, 'mingit.zip')}');
-      }
-      commands.addAll(<String>[
        '$flutterExe doctor',
        '$flutterExe update-packages',
        '$flutterExe precache',
@@ -113,7 +107,7 @@ void main() {
        '$flutterExe create --template=plugin ${path.join(tmpDir.path, 'create_plugin')}',
        '$gitExe clean -f -X **/.packages',
        '$tarExe cJf ${path.join(tmpDir.path, 'flutter_master.tar.xz')} flutter',
-      ]);
+      ];
      int step = 0;
      for (String command in commands) {
        _verifyCommand(args[step++], command);
@@ -125,17 +119,14 @@ void main() {
      preparer = new ArchiveCreator(tmpDir, outputFile, runner: runner);
      _answerWithResults();
      results = <MockProcessResult>[new MockProcessResult('deadbeef\n', '', 0)];
-      await preparer.createArchive('master');
+      preparer.checkoutFlutter('master');
+      preparer.prepareArchive();
+      preparer.createArchive();
      final List<String> commands = <String>[
        '$gitExe clone -b master https://chromium.googlesource.com/external/github.com/flutter/flutter',
        '$gitExe reset --hard master',
        '$gitExe remote remove origin',
        '$gitExe remote add origin https://github.com/flutter/flutter.git',
-      ];
-      if (Platform.isWindows) {
-        commands.add('$zipExe x ${path.join(tmpDir.path, 'mingit.zip')}');
-      }
-      commands.addAll(<String>[
        '$flutterExe doctor',
        '$flutterExe update-packages',
        '$flutterExe precache',
@@ -144,7 +135,7 @@ void main() {
        '$flutterExe create --template=package ${path.join(tmpDir.path, 'create_package')}',
        '$flutterExe create --template=plugin ${path.join(tmpDir.path, 'create_plugin')}',
        '$gitExe clean -f -X **/.packages',
-      ]);
+      ];
      if (Platform.isWindows) {
        commands.add('$zipExe a -tzip -mx=9 ${path.join(tmpDir.path, 'flutter_master.zip')} flutter');
      } else {

--- a/dev/devicelab/pubspec.yaml
+++ b/dev/devicelab/pubspec.yaml
@@ -44,7 +44,7 @@ dev_dependencies:
  node_preamble: 1.4.0 # TRANSITIVE DEPENDENCY
  package_config: 1.0.3 # TRANSITIVE DEPENDENCY
  package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
-  petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  petitparser: 1.6.1 # TRANSITIVE DEPENDENCY
  pool: 1.3.3 # TRANSITIVE DEPENDENCY
  pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
  shelf: 0.7.1 # TRANSITIVE DEPENDENCY
@@ -54,7 +54,7 @@ dev_dependencies:
  source_map_stack_trace: 1.1.4 # TRANSITIVE DEPENDENCY
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  typed_data: 1.1.4 # TRANSITIVE DEPENDENCY

--- a/dev/integration_tests/channels/pubspec.yaml
+++ b/dev/integration_tests/channels/pubspec.yaml
@@ -43,7 +43,7 @@ dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/dev/integration_tests/external_ui/pubspec.yaml
+++ b/dev/integration_tests/external_ui/pubspec.yaml
@@ -43,7 +43,7 @@ dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/dev/integration_tests/flavors/pubspec.yaml
+++ b/dev/integration_tests/flavors/pubspec.yaml
@@ -43,7 +43,7 @@ dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/dev/integration_tests/platform_interaction/pubspec.yaml
+++ b/dev/integration_tests/platform_interaction/pubspec.yaml
@@ -43,7 +43,7 @@ dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/dev/integration_tests/ui/pubspec.yaml
+++ b/dev/integration_tests/ui/pubspec.yaml
@@ -40,7 +40,7 @@ dev_dependencies:
  package_config: 1.0.3 # TRANSITIVE DEPENDENCY
  package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
  path: 1.5.1 # TRANSITIVE DEPENDENCY
-  petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  petitparser: 1.6.1 # TRANSITIVE DEPENDENCY
  pool: 1.3.3 # TRANSITIVE DEPENDENCY
  pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
  quiver: 0.26.2 # TRANSITIVE DEPENDENCY
@@ -52,7 +52,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  typed_data: 1.1.4 # TRANSITIVE DEPENDENCY

--- a/dev/manual_tests/pubspec.yaml
+++ b/dev/manual_tests/pubspec.yaml
@@ -41,7 +41,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/examples/catalog/pubspec.yaml
+++ b/examples/catalog/pubspec.yaml
@@ -46,7 +46,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/examples/flutter_gallery/pubspec.yaml
+++ b/examples/flutter_gallery/pubspec.yaml
@@ -3,11 +3,11 @@ dependencies:
  flutter:
    sdk: flutter
  collection: 1.14.3
-  device_info: 0.1.0
+  device_info: 0.0.5
  intl: 0.15.2
-  connectivity: 0.2.0
+  connectivity: 0.1.1
  string_scanner: 1.0.2
-  url_launcher: 2.0.0
+  url_launcher: 1.0.3
  cupertino_icons: 0.1.1
  video_player: 0.0.6

@@ -57,7 +57,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY
  typed_data: 1.1.4 # TRANSITIVE DEPENDENCY

--- a/examples/flutter_view/pubspec.yaml
+++ b/examples/flutter_view/pubspec.yaml
@@ -37,7 +37,7 @@ dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/examples/hello_world/pubspec.yaml
+++ b/examples/hello_world/pubspec.yaml
@@ -41,7 +41,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/examples/layers/pubspec.yaml
+++ b/examples/layers/pubspec.yaml
@@ -40,7 +40,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/examples/platform_channel/pubspec.yaml
+++ b/examples/platform_channel/pubspec.yaml
@@ -46,7 +46,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/examples/platform_channel_swift/pubspec.yaml
+++ b/examples/platform_channel_swift/pubspec.yaml
@@ -46,7 +46,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/examples/platform_view/pubspec.yaml
+++ b/examples/platform_view/pubspec.yaml
@@ -36,7 +36,7 @@ dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/examples/stocks/pubspec.yaml
+++ b/examples/stocks/pubspec.yaml
@@ -39,7 +39,7 @@ dev_dependencies:
  package_config: 1.0.3 # TRANSITIVE DEPENDENCY
  package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
  path: 1.5.1 # TRANSITIVE DEPENDENCY
-  petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  petitparser: 1.6.1 # TRANSITIVE DEPENDENCY
  pool: 1.3.3 # TRANSITIVE DEPENDENCY
  pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
  quiver: 0.26.2 # TRANSITIVE DEPENDENCY
@@ -51,7 +51,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/packages/flutter/pubspec.yaml
+++ b/packages/flutter/pubspec.yaml
@@ -49,7 +49,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/packages/flutter_driver/pubspec.yaml
+++ b/packages/flutter_driver/pubspec.yaml
@@ -54,7 +54,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  typed_data: 1.1.4 # TRANSITIVE DEPENDENCY

--- a/packages/flutter_localizations/pubspec.yaml
+++ b/packages/flutter_localizations/pubspec.yaml
@@ -44,7 +44,7 @@ dev_dependencies:
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
  stack_trace: 1.9.1 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  test: 0.12.26 # TRANSITIVE DEPENDENCY

--- a/packages/flutter_test/pubspec.yaml
+++ b/packages/flutter_test/pubspec.yaml
@@ -55,7 +55,7 @@ dependencies:
  source_map_stack_trace: 1.1.4 # TRANSITIVE DEPENDENCY
  source_maps: 0.10.4 # TRANSITIVE DEPENDENCY
  source_span: 1.4.0 # TRANSITIVE DEPENDENCY
-  stream_channel: 1.6.3 # TRANSITIVE DEPENDENCY
+  stream_channel: 1.6.2 # TRANSITIVE DEPENDENCY
  string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
  term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
  typed_data: 1.1.4 # TRANSITIVE DEPENDENCY

--- a/packages/flutter_tools/pubspec.yaml
+++ b/packages/flutter_tools/pubspec.yaml
@@ -17,7 +17,7 @@ dependencies:
  http: 0.11.3+14
  intl: 0.15.2
  json_rpc_2: 2.0.4
-  json_schema: 1.0.7
+  json_schema: 1.0.6
  linter: 0.1.41
  meta: 1.1.1
  mustache: 1.0.0
@@ -27,7 +27,7 @@ dependencies:
  process: 2.0.6
  quiver: 0.26.2
  stack_trace: 1.9.1
-  stream_channel: 1.6.3
+  stream_channel: 1.6.2
  usage: 3.3.0
  vm_service_client: 0.2.3
  web_socket_channel: 1.0.6
@@ -66,7 +66,7 @@ dev_dependencies:
  node_preamble: 1.4.0 # TRANSITIVE DEPENDENCY
  package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
  path: 1.5.1 # TRANSITIVE DEPENDENCY
-  petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  petitparser: 1.6.1 # TRANSITIVE DEPENDENCY
  pool: 1.3.3 # TRANSITIVE DEPENDENCY
  pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
  shelf: 0.7.1 # TRANSITIVE DEPENDENCY