From ca37bc7ae07c62c441a4224418038d1bcc4eb6ac Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@google.com>
Date: Fri, 16 Mar 2018 13:09:36 -0700
Subject: [PATCH 1/8] Reorganized package, put example it it's own directory,
 etc

---
 .gitignore                                    |  9 +--
 .../example => example}/lib/app_component.css |  0
 .../lib/app_component.dart                    |  0
 .../lib/app_component.html                    |  0
 .../lib/src/hello_world/hello_world.css       |  0
 .../lib/src/hello_world/hello_world.dart      |  0
 example/lib/src/hello_world/hello_world.html  |  1 +
 example/pubspec.yaml                          | 12 ++++
 {webdev/example => example}/web/index.html    |  3 +-
 example/web/main.dart                         |  9 +++
 {webdev/example => example}/web/styles.css    |  0
 webdev/bin/webdev.dart                        |  2 +-
 .../lib/src/hello_world/hello_world.html      |  1 -
 webdev/example/pubspec.yaml                   | 25 -------
 webdev/example/web/main.dart                  |  7 --
 webdev/lib/src/command/build_command.dart     | 11 +--
 .../command/build_runner_command_base.dart    | 70 ++++++++++++++++---
 webdev/lib/src/command/serve_command.dart     | 16 ++---
 webdev/lib/webdev.dart                        |  1 -
 webdev/pubspec.yaml                           | 12 ++--
 20 files changed, 99 insertions(+), 80 deletions(-)
 rename {webdev/example => example}/lib/app_component.css (100%)
 rename {webdev/example => example}/lib/app_component.dart (100%)
 rename {webdev/example => example}/lib/app_component.html (100%)
 rename {webdev/example => example}/lib/src/hello_world/hello_world.css (100%)
 rename {webdev/example => example}/lib/src/hello_world/hello_world.dart (100%)
 create mode 100644 example/lib/src/hello_world/hello_world.html
 create mode 100644 example/pubspec.yaml
 rename {webdev/example => example}/web/index.html (68%)
 create mode 100644 example/web/main.dart
 rename {webdev/example => example}/web/styles.css (100%)
 delete mode 100644 webdev/example/lib/src/hello_world/hello_world.html
 delete mode 100644 webdev/example/pubspec.yaml
 delete mode 100644 webdev/example/web/main.dart
 delete mode 100644 webdev/lib/webdev.dart

diff --git a/.gitignore b/.gitignore
index 26e9525be..79f51c3d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,3 @@
-packages
-/*/build/
-.pub/
-pubspec.lock
-
-# Files generated by dart tools
 .dart_tool
-doc/
+.packages
+pubspec.lock
diff --git a/webdev/example/lib/app_component.css b/example/lib/app_component.css
similarity index 100%
rename from webdev/example/lib/app_component.css
rename to example/lib/app_component.css
diff --git a/webdev/example/lib/app_component.dart b/example/lib/app_component.dart
similarity index 100%
rename from webdev/example/lib/app_component.dart
rename to example/lib/app_component.dart
diff --git a/webdev/example/lib/app_component.html b/example/lib/app_component.html
similarity index 100%
rename from webdev/example/lib/app_component.html
rename to example/lib/app_component.html
diff --git a/webdev/example/lib/src/hello_world/hello_world.css b/example/lib/src/hello_world/hello_world.css
similarity index 100%
rename from webdev/example/lib/src/hello_world/hello_world.css
rename to example/lib/src/hello_world/hello_world.css
diff --git a/webdev/example/lib/src/hello_world/hello_world.dart b/example/lib/src/hello_world/hello_world.dart
similarity index 100%
rename from webdev/example/lib/src/hello_world/hello_world.dart
rename to example/lib/src/hello_world/hello_world.dart
diff --git a/example/lib/src/hello_world/hello_world.html b/example/lib/src/hello_world/hello_world.html
new file mode 100644
index 000000000..88990aa19
--- /dev/null
+++ b/example/lib/src/hello_world/hello_world.html
@@ -0,0 +1 @@
+<div>Hello World</div>
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
new file mode 100644
index 000000000..4532d19b6
--- /dev/null
+++ b/example/pubspec.yaml
@@ -0,0 +1,12 @@
+name: webdev_example_app
+description: A web app example for webdev CLI.
+
+environment:
+  sdk: ">=2.0.0-dev.32.0 <2.0.0"
+
+dependencies:
+  angular: ^5.0.0-alpha+3
+
+dev_dependencies:
+  build_runner: ^0.8.0
+  build_web_compilers: ^0.3.4
diff --git a/webdev/example/web/index.html b/example/web/index.html
similarity index 68%
rename from webdev/example/web/index.html
rename to example/web/index.html
index c7fe29810..0799eec25 100644
--- a/webdev/example/web/index.html
+++ b/example/web/index.html
@@ -4,8 +4,7 @@
     <title>webdev example</title>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <script defer src="main.dart" type="application/dart"></script>
-    <script defer src="packages/browser/dart.js"></script>
+    <script defer src="main.dart.js"></script>
     <link rel="stylesheet" href="styles.css">
   </head>
   <body>
diff --git a/example/web/main.dart b/example/web/main.dart
new file mode 100644
index 000000000..7dda58045
--- /dev/null
+++ b/example/web/main.dart
@@ -0,0 +1,9 @@
+import 'package:angular/experimental.dart';
+
+// ignore: uri_has_not_been_generated
+import 'package:webdev_example_app/app_component.template.dart' as ng;
+
+main() {
+  // ignore: argument_type_not_assignable
+  bootstrapFactory(ng.AppComponentNgFactory);
+}
diff --git a/webdev/example/web/styles.css b/example/web/styles.css
similarity index 100%
rename from webdev/example/web/styles.css
rename to example/web/styles.css
diff --git a/webdev/bin/webdev.dart b/webdev/bin/webdev.dart
index 6c28c16fa..dc2e03664 100644
--- a/webdev/bin/webdev.dart
+++ b/webdev/bin/webdev.dart
@@ -1,6 +1,6 @@
 import 'dart:async';
 
-import 'package:webdev/webdev.dart';
+import 'package:webdev/src/webdev_command_runner.dart';
 
 Future main(List<String> args) async {
   await webdevCommandRunner().run(args);
diff --git a/webdev/example/lib/src/hello_world/hello_world.html b/webdev/example/lib/src/hello_world/hello_world.html
deleted file mode 100644
index e5b22f94a..000000000
--- a/webdev/example/lib/src/hello_world/hello_world.html
+++ /dev/null
@@ -1 +0,0 @@
-<div>Hello World<div>
diff --git a/webdev/example/pubspec.yaml b/webdev/example/pubspec.yaml
deleted file mode 100644
index 5e4f3719d..000000000
--- a/webdev/example/pubspec.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: webdev_example_app
-description: A web app example for webdev CLI.
-version: 0.0.1
-
-environment:
-  sdk: ">=2.0.0-dev.3.0 <2.0.0"
-
-dependencies:
-  angular: ^5.0.0-alpha+3
-  browser: ^0.10.0
-
-dev_dependencies:
-  webdev:
-    path: ../
-  ##############################################################################
-  # Temporary until build_runner exposes a function to generate it's script.
-  build_runner:
-    git:
-      url: https://github.com/dart-lang/build.git
-      path: build_runner
-  ##############################################################################
-
-dependency_overrides:
-  # Necessary with angular: ^5.0.0-alpha+1 dependency.
-  analyzer: ^0.31.0-alpha.1
diff --git a/webdev/example/web/main.dart b/webdev/example/web/main.dart
deleted file mode 100644
index 78477ff34..000000000
--- a/webdev/example/web/main.dart
+++ /dev/null
@@ -1,7 +0,0 @@
-import 'package:angular/angular.dart';
-import 'package:webdev_example_app/app_component.dart';
-import 'main.template.dart' as ng;
-
-main() {
-  bootstrapStatic(AppComponent, [/*providers*/], ng.initReflector);
-}
diff --git a/webdev/lib/src/command/build_command.dart b/webdev/lib/src/command/build_command.dart
index ac1b646ca..dd2496768 100644
--- a/webdev/lib/src/command/build_command.dart
+++ b/webdev/lib/src/command/build_command.dart
@@ -1,6 +1,4 @@
 import 'dart:async';
-import 'dart:isolate';
-
 import 'build_runner_command_base.dart';
 
 /// Command to execute pub run build_runner build.
@@ -12,12 +10,5 @@ class BuildCommand extends BuildRunnerCommandBase {
   final description = 'Run builders to build a package.';
 
   @override
-  Future run() async {
-    final arguments = ['build'];
-    arguments.addAll(argResults.arguments);
-    var exitPort = new ReceivePort();
-    await Isolate.spawnUri(await buildRunnerScript, arguments, null,
-        onExit: exitPort.sendPort, automaticPackageResolution: true);
-    await exitPort.first;
-  }
+  Future run() => runCore('build');
 }
diff --git a/webdev/lib/src/command/build_runner_command_base.dart b/webdev/lib/src/command/build_runner_command_base.dart
index 88f2fc0eb..91ea52893 100644
--- a/webdev/lib/src/command/build_runner_command_base.dart
+++ b/webdev/lib/src/command/build_runner_command_base.dart
@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:io';
+import 'dart:isolate';
 
 import 'package:args/command_runner.dart';
 
@@ -19,13 +20,66 @@ abstract class BuildRunnerCommandBase extends Command {
           help: 'Enables verbose logging.');
   }
 
-  Future<Uri> get buildRunnerScript async {
-    // TODO(nshahan) build_runner will expose this as a function call that will
-    // be imported to avoid running a binary in a transitive dependency with
-    // pub run.
-    final executable = 'pub';
-    final arguments = ['run', 'build_runner', 'generate-build-script'];
-    final results = await Process.run(executable, arguments);
-    return new Uri.file(results.stdout.toString().trim());
+  Future runCore(String command) async {
+    final arguments = [command]..addAll(argResults.arguments);
+    var exitPort = new ReceivePort();
+    await Isolate.spawnUri(await _buildRunnerScript(), arguments, null,
+        onExit: exitPort.sendPort, automaticPackageResolution: true);
+    await exitPort.first;
   }
 }
+
+Future<Uri> _buildRunnerScript() async {
+  var dataUri = new Uri.dataFromString(_bootstrapScript);
+
+  var messagePort = new ReceivePort();
+  var exitPort = new ReceivePort();
+  var errorPort = new ReceivePort();
+
+  await Isolate.spawnUri(dataUri, [], messagePort.sendPort,
+      onExit: exitPort.sendPort,
+      onError: errorPort.sendPort,
+      errorsAreFatal: true,
+      packageConfig: new Uri.file('.packages'));
+
+  var allErrorsFuture = errorPort.forEach((error) {
+    var errorList = error as List;
+    var message = errorList[0] as String;
+    var stack = new StackTrace.fromString(errorList[1] as String);
+
+    stderr.writeln(message);
+    stderr.writeln(stack);
+  });
+
+  var items = await Future.wait([
+    messagePort.toList(),
+    allErrorsFuture,
+    exitPort.first.whenComplete(() {
+      messagePort.close();
+      errorPort.close();
+    })
+  ]);
+
+  var messages = items[0] as List;
+  if (messages.isEmpty) {
+    throw new StateError('An error occurred while running booting.');
+  }
+
+  assert(messages.length == 1);
+  return new Uri.file(messages.single as String);
+}
+
+const _bootstrapScript = r'''
+import 'dart:io';
+import 'dart:isolate';
+
+import 'package:build_runner/build_script_generate.dart';
+import 'package:path/path.dart' as p;
+
+void main(List<String> args, [SendPort sendPort]) async {
+  var buildScript = await generateBuildScript();
+  var scriptFile = new File(scriptLocation)..createSync(recursive: true);
+  scriptFile.writeAsStringSync(buildScript);
+  sendPort.send(p.absolute(scriptLocation));  
+}
+''';
diff --git a/webdev/lib/src/command/serve_command.dart b/webdev/lib/src/command/serve_command.dart
index a8ba022b7..c2b4e5f96 100644
--- a/webdev/lib/src/command/serve_command.dart
+++ b/webdev/lib/src/command/serve_command.dart
@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'dart:isolate';
 
 import 'build_runner_command_base.dart';
 
@@ -17,16 +16,13 @@ class ServeCommand extends BuildRunnerCommandBase {
     // build_runner might expose args for use in wrapping scripts like this one.
     argParser
       ..addOption('hostname',
-          defaultsTo: 'localhost', help: 'Specify the hostname to serve on.');
+          help: 'Specify the hostname to serve on', defaultsTo: 'localhost')
+      ..addFlag('log-requests',
+          defaultsTo: false,
+          negatable: false,
+          help: 'Enables logging for each request to the server.');
   }
 
   @override
-  Future run() async {
-    final arguments = ['serve'];
-    arguments.addAll(argResults.arguments);
-    var exitPort = new ReceivePort();
-    await Isolate.spawnUri(await buildRunnerScript, arguments, null,
-        onExit: exitPort.sendPort, automaticPackageResolution: true);
-    await exitPort.first;
-  }
+  Future run() => runCore('serve');
 }
diff --git a/webdev/lib/webdev.dart b/webdev/lib/webdev.dart
deleted file mode 100644
index 97ed18291..000000000
--- a/webdev/lib/webdev.dart
+++ /dev/null
@@ -1 +0,0 @@
-export 'src/webdev_command_runner.dart';
diff --git a/webdev/pubspec.yaml b/webdev/pubspec.yaml
index 5796813f4..443ef325f 100644
--- a/webdev/pubspec.yaml
+++ b/webdev/pubspec.yaml
@@ -2,17 +2,13 @@ name: webdev
 description: A CLI for Dart web development.
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/webdev
+version: 0.1.0-dev
 
 environment:
-  sdk: ">=2.0.0-dev.3.0 <2.0.0"
+  sdk: ">=2.0.0-dev.32.0 <2.0.0"
 
 dependencies:
   args: ^1.2.0
-  build_runner:
-    git:
-      url: https://github.com/dart-lang/build.git
-      path: build_runner
-  build_web_compilers: ^0.1.1
 
-dev_dependencies:
-  test: "^0.12.0"
+executables:
+  webdev:

From 2a64f7a51d073e2581271b84a1dc69656bbae2f9 Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@google.com>
Date: Sun, 18 Mar 2018 14:44:04 -0700
Subject: [PATCH 2/8] Add missing copyright headers

---
 example/lib/app_component.dart                        | 4 ++++
 example/lib/src/hello_world/hello_world.dart          | 4 ++++
 example/web/main.dart                                 | 4 ++++
 webdev/bin/webdev.dart                                | 4 ++++
 webdev/lib/src/command/build_command.dart             | 4 ++++
 webdev/lib/src/command/build_runner_command_base.dart | 4 ++++
 webdev/lib/src/command/serve_command.dart             | 4 ++++
 webdev/lib/src/webdev_command_runner.dart             | 4 ++++
 8 files changed, 32 insertions(+)

diff --git a/example/lib/app_component.dart b/example/lib/app_component.dart
index faf444f0c..feac3bfdb 100644
--- a/example/lib/app_component.dart
+++ b/example/lib/app_component.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'package:angular/angular.dart';
 
 import 'src/hello_world/hello_world.dart';
diff --git a/example/lib/src/hello_world/hello_world.dart b/example/lib/src/hello_world/hello_world.dart
index f67367f4a..a17e4f738 100644
--- a/example/lib/src/hello_world/hello_world.dart
+++ b/example/lib/src/hello_world/hello_world.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'package:angular/angular.dart';
 
 @Component(
diff --git a/example/web/main.dart b/example/web/main.dart
index 7dda58045..51e09c9bd 100644
--- a/example/web/main.dart
+++ b/example/web/main.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'package:angular/experimental.dart';
 
 // ignore: uri_has_not_been_generated
diff --git a/webdev/bin/webdev.dart b/webdev/bin/webdev.dart
index dc2e03664..70e0dbfcd 100644
--- a/webdev/bin/webdev.dart
+++ b/webdev/bin/webdev.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'dart:async';
 
 import 'package:webdev/src/webdev_command_runner.dart';
diff --git a/webdev/lib/src/command/build_command.dart b/webdev/lib/src/command/build_command.dart
index dd2496768..d98c5fbe3 100644
--- a/webdev/lib/src/command/build_command.dart
+++ b/webdev/lib/src/command/build_command.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'dart:async';
 import 'build_runner_command_base.dart';
 
diff --git a/webdev/lib/src/command/build_runner_command_base.dart b/webdev/lib/src/command/build_runner_command_base.dart
index 91ea52893..67cec1a9f 100644
--- a/webdev/lib/src/command/build_runner_command_base.dart
+++ b/webdev/lib/src/command/build_runner_command_base.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'dart:async';
 import 'dart:io';
 import 'dart:isolate';
diff --git a/webdev/lib/src/command/serve_command.dart b/webdev/lib/src/command/serve_command.dart
index c2b4e5f96..567cd3d0e 100644
--- a/webdev/lib/src/command/serve_command.dart
+++ b/webdev/lib/src/command/serve_command.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'dart:async';
 
 import 'build_runner_command_base.dart';
diff --git a/webdev/lib/src/webdev_command_runner.dart b/webdev/lib/src/webdev_command_runner.dart
index 1dbdd4133..c2a7c02b5 100644
--- a/webdev/lib/src/webdev_command_runner.dart
+++ b/webdev/lib/src/webdev_command_runner.dart
@@ -1,3 +1,7 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'package:args/command_runner.dart';
 
 import 'command/build_command.dart';

From 26dc6609b998a383a1ee90f207e218ba6d8ad675 Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@google.com>
Date: Mon, 19 Mar 2018 13:17:04 -0700
Subject: [PATCH 3/8] Pipe through documentation on serve [director:port]

---
 webdev/lib/src/command/serve_command.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/webdev/lib/src/command/serve_command.dart b/webdev/lib/src/command/serve_command.dart
index 567cd3d0e..790d52b97 100644
--- a/webdev/lib/src/command/serve_command.dart
+++ b/webdev/lib/src/command/serve_command.dart
@@ -15,6 +15,9 @@ class ServeCommand extends BuildRunnerCommandBase {
   final description = 'Run a local web development server and a file system'
       ' watcher that re-builds on changes.';
 
+  @override
+  String get invocation => '${super.invocation} [<directory>[:<port>]]...';
+
   ServeCommand() {
     // TODO(nshahan) Expose more args passed to build_runner serve.
     // build_runner might expose args for use in wrapping scripts like this one.

From 1ec74ac10128f5554ebcb6cbfd23d6f9ee27cc00 Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@google.com>
Date: Mon, 19 Mar 2018 13:17:25 -0700
Subject: [PATCH 4/8] Print helpful error with bad command usage

---
 webdev/bin/webdev.dart | 13 ++++++++++++-
 webdev/pubspec.yaml    |  1 +
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/webdev/bin/webdev.dart b/webdev/bin/webdev.dart
index 70e0dbfcd..d88116ca4 100644
--- a/webdev/bin/webdev.dart
+++ b/webdev/bin/webdev.dart
@@ -3,9 +3,20 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:async';
+import 'dart:io';
 
+import 'package:args/command_runner.dart';
+import 'package:io/ansi.dart';
+import 'package:io/io.dart';
 import 'package:webdev/src/webdev_command_runner.dart';
 
 Future main(List<String> args) async {
-  await webdevCommandRunner().run(args);
+  try {
+    await webdevCommandRunner().run(args);
+  } on UsageException catch (e) {
+    print(yellow.wrap(e.message));
+    print(' ');
+    print(e.usage);
+    exitCode = ExitCode.usage.code;
+  }
 }
diff --git a/webdev/pubspec.yaml b/webdev/pubspec.yaml
index 443ef325f..1c74a7f49 100644
--- a/webdev/pubspec.yaml
+++ b/webdev/pubspec.yaml
@@ -9,6 +9,7 @@ environment:
 
 dependencies:
   args: ^1.2.0
+  io: ^0.3.2+1
 
 executables:
   webdev:

From 73f2d5921e0eb6e97380d580097eae6f1fc5dbf0 Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@google.com>
Date: Mon, 19 Mar 2018 14:26:23 -0700
Subject: [PATCH 5/8] Enable travis

---
 .travis.yml            | 41 ++++++++++++++++++++++++++++++++++++++
 example/.mono_repo.yml | 10 ++++++++++
 tool/travis.sh         | 45 ++++++++++++++++++++++++++++++++++++++++++
 webdev/.mono_repo.yml  | 10 ++++++++++
 4 files changed, 106 insertions(+)
 create mode 100644 .travis.yml
 create mode 100644 example/.mono_repo.yml
 create mode 100755 tool/travis.sh
 create mode 100644 webdev/.mono_repo.yml

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 000000000..cbd34a33e
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,41 @@
+# Created with https://github.com/dart-lang/mono_repo
+language: dart
+
+jobs:
+  include:
+    - stage: analyzer_and_format
+      script: ./tool/travis.sh dartfmt
+      env: PKG="example"
+      dart: dev
+    - stage: analyzer_and_format
+      script: ./tool/travis.sh dartanalyzer
+      env: PKG="example"
+      dart: dev
+    - stage: unit_test
+      script: ./tool/travis.sh test
+      env: PKG="example"
+      dart: dev
+    - stage: analyzer_and_format
+      script: ./tool/travis.sh dartfmt
+      env: PKG="webdev"
+      dart: dev
+    - stage: analyzer_and_format
+      script: ./tool/travis.sh dartanalyzer
+      env: PKG="webdev"
+      dart: dev
+    - stage: unit_test
+      script: ./tool/travis.sh test
+      env: PKG="webdev"
+      dart: dev
+
+stages:
+  - analyzer_and_format
+  - unit_test
+
+# Only building master means that we don't run two builds for each pull request.
+branches:
+  only: [master]
+
+cache:
+  directories:
+    - $HOME/.pub-cache
diff --git a/example/.mono_repo.yml b/example/.mono_repo.yml
new file mode 100644
index 000000000..c44173cf8
--- /dev/null
+++ b/example/.mono_repo.yml
@@ -0,0 +1,10 @@
+# See https://github.com/dart-lang/mono_repo for details
+dart:
+  - dev
+
+stages:
+  - analyzer_and_format:
+    - dartfmt
+    - dartanalyzer: --fatal-infos --fatal-warnings .
+  - unit_test:
+    - test
diff --git a/tool/travis.sh b/tool/travis.sh
new file mode 100755
index 000000000..a28953b9f
--- /dev/null
+++ b/tool/travis.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Created with https://github.com/dart-lang/mono_repo
+
+if [ -z "$PKG" ]; then
+  echo -e '\033[31mPKG environment variable must be set!\033[0m'
+  exit 1
+fi
+
+if [ "$#" == "0" ]; then
+  echo -e '\033[31mAt least one task argument must be provided!\033[0m'
+  exit 1
+fi
+
+pushd $PKG
+pub upgrade || exit $?
+
+EXIT_CODE=0
+
+while (( "$#" )); do
+  TASK=$1
+  case $TASK in
+  dartanalyzer) echo
+    echo -e '\033[1mTASK: dartanalyzer\033[22m'
+    echo -e 'dartanalyzer --fatal-infos --fatal-warnings .'
+    dartanalyzer --fatal-infos --fatal-warnings . || EXIT_CODE=$?
+    ;;
+  dartfmt) echo
+    echo -e '\033[1mTASK: dartfmt\033[22m'
+    echo -e 'dartfmt -n --set-exit-if-changed .'
+    dartfmt -n --set-exit-if-changed . || EXIT_CODE=$?
+    ;;
+  test) echo
+    echo -e '\033[1mTASK: test\033[22m'
+    echo -e 'pub run test'
+    pub run test || EXIT_CODE=$?
+    ;;
+  *) echo -e "\033[31mNot expecting TASK '${TASK}'. Error!\033[0m"
+    EXIT_CODE=1
+    ;;
+  esac
+
+  shift
+done
+
+exit $EXIT_CODE
diff --git a/webdev/.mono_repo.yml b/webdev/.mono_repo.yml
new file mode 100644
index 000000000..c44173cf8
--- /dev/null
+++ b/webdev/.mono_repo.yml
@@ -0,0 +1,10 @@
+# See https://github.com/dart-lang/mono_repo for details
+dart:
+  - dev
+
+stages:
+  - analyzer_and_format:
+    - dartfmt
+    - dartanalyzer: --fatal-infos --fatal-warnings .
+  - unit_test:
+    - test

From 36548d1e58a87296d4c4954e72b42a7d42b87d03 Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@google.com>
Date: Mon, 19 Mar 2018 15:26:33 -0700
Subject: [PATCH 6/8] Be very careful when invoking the build script via
 isolate

Closes https://github.com/dart-lang/webdev/issues/10
---
 .../command/build_runner_command_base.dart    | 36 +++++++++++++++++--
 webdev/pubspec.yaml                           |  1 +
 2 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/webdev/lib/src/command/build_runner_command_base.dart b/webdev/lib/src/command/build_runner_command_base.dart
index 67cec1a9f..a03bace6a 100644
--- a/webdev/lib/src/command/build_runner_command_base.dart
+++ b/webdev/lib/src/command/build_runner_command_base.dart
@@ -7,6 +7,7 @@ import 'dart:io';
 import 'dart:isolate';
 
 import 'package:args/command_runner.dart';
+import 'package:stack_trace/stack_trace.dart';
 
 /// Extend to get a command with the arguments common to all build_runner
 /// commands.
@@ -26,10 +27,41 @@ abstract class BuildRunnerCommandBase extends Command {
 
   Future runCore(String command) async {
     final arguments = [command]..addAll(argResults.arguments);
+
+    // Heavily inspired by dart-lang/build @ 0c77443dd7
+    // /build_runner/bin/build_runner.dart#L58-L85
     var exitPort = new ReceivePort();
-    await Isolate.spawnUri(await _buildRunnerScript(), arguments, null,
-        onExit: exitPort.sendPort, automaticPackageResolution: true);
+    var errorPort = new ReceivePort();
+    var messagePort = new ReceivePort();
+    var errorListener = errorPort.listen((e) {
+      stderr.writeln('\n\nYou have hit a bug in build_runner');
+      stderr.writeln('Please file an issue with reproduction steps at '
+          'https://github.com/dart-lang/build/issues\n\n');
+      final error = e[0];
+      final trace = e[1] as String;
+      stderr.writeln(error);
+      stderr.writeln(new Trace.parse(trace).terse);
+      if (exitCode == 0) exitCode = 1;
+    });
+    await Isolate.spawnUri(
+        await _buildRunnerScript(), arguments, messagePort.sendPort,
+        onExit: exitPort.sendPort,
+        onError: errorPort.sendPort,
+        automaticPackageResolution: true);
+    StreamSubscription exitCodeListener;
+    exitCodeListener = messagePort.listen((isolateExitCode) {
+      if (isolateExitCode is! int) {
+        throw new StateError(
+            'Bad response from isolate, expected an exit code but got '
+            '$isolateExitCode');
+      }
+      exitCode = isolateExitCode as int;
+      exitCodeListener.cancel();
+      exitCodeListener = null;
+    });
     await exitPort.first;
+    await errorListener.cancel();
+    await exitCodeListener?.cancel();
   }
 }
 
diff --git a/webdev/pubspec.yaml b/webdev/pubspec.yaml
index 1c74a7f49..eadcaa2df 100644
--- a/webdev/pubspec.yaml
+++ b/webdev/pubspec.yaml
@@ -10,6 +10,7 @@ environment:
 dependencies:
   args: ^1.2.0
   io: ^0.3.2+1
+  stack_trace: ^1.9.2
 
 executables:
   webdev:

From 52d2aa6abb1925259ed433464276355a1023fa10 Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@google.com>
Date: Mon, 19 Mar 2018 20:26:04 -0700
Subject: [PATCH 7/8] latest angular

---
 example/pubspec.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 4532d19b6..b45240ced 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -5,7 +5,7 @@ environment:
   sdk: ">=2.0.0-dev.32.0 <2.0.0"
 
 dependencies:
-  angular: ^5.0.0-alpha+3
+  angular: ^5.0.0-alpha+8
 
 dev_dependencies:
   build_runner: ^0.8.0

From e328fe9c8e2e17c8ee182b126411b7d25e520d76 Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@google.com>
Date: Mon, 19 Mar 2018 20:26:41 -0700
Subject: [PATCH 8/8] no tests yet

---
 .travis.yml            | 9 ---------
 example/.mono_repo.yml | 4 ++--
 tool/travis.sh         | 5 -----
 webdev/.mono_repo.yml  | 4 ++--
 4 files changed, 4 insertions(+), 18 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index cbd34a33e..009f41650 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,10 +11,6 @@ jobs:
       script: ./tool/travis.sh dartanalyzer
       env: PKG="example"
       dart: dev
-    - stage: unit_test
-      script: ./tool/travis.sh test
-      env: PKG="example"
-      dart: dev
     - stage: analyzer_and_format
       script: ./tool/travis.sh dartfmt
       env: PKG="webdev"
@@ -23,14 +19,9 @@ jobs:
       script: ./tool/travis.sh dartanalyzer
       env: PKG="webdev"
       dart: dev
-    - stage: unit_test
-      script: ./tool/travis.sh test
-      env: PKG="webdev"
-      dart: dev
 
 stages:
   - analyzer_and_format
-  - unit_test
 
 # Only building master means that we don't run two builds for each pull request.
 branches:
diff --git a/example/.mono_repo.yml b/example/.mono_repo.yml
index c44173cf8..77bede62c 100644
--- a/example/.mono_repo.yml
+++ b/example/.mono_repo.yml
@@ -6,5 +6,5 @@ stages:
   - analyzer_and_format:
     - dartfmt
     - dartanalyzer: --fatal-infos --fatal-warnings .
-  - unit_test:
-    - test
+#  - unit_test:
+#    - test
diff --git a/tool/travis.sh b/tool/travis.sh
index a28953b9f..2e8091aa2 100755
--- a/tool/travis.sh
+++ b/tool/travis.sh
@@ -29,11 +29,6 @@ while (( "$#" )); do
     echo -e 'dartfmt -n --set-exit-if-changed .'
     dartfmt -n --set-exit-if-changed . || EXIT_CODE=$?
     ;;
-  test) echo
-    echo -e '\033[1mTASK: test\033[22m'
-    echo -e 'pub run test'
-    pub run test || EXIT_CODE=$?
-    ;;
   *) echo -e "\033[31mNot expecting TASK '${TASK}'. Error!\033[0m"
     EXIT_CODE=1
     ;;
diff --git a/webdev/.mono_repo.yml b/webdev/.mono_repo.yml
index c44173cf8..77bede62c 100644
--- a/webdev/.mono_repo.yml
+++ b/webdev/.mono_repo.yml
@@ -6,5 +6,5 @@ stages:
   - analyzer_and_format:
     - dartfmt
     - dartanalyzer: --fatal-infos --fatal-warnings .
-  - unit_test:
-    - test
+#  - unit_test:
+#    - test