Added cli

.travis.yml

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+matrix:
+  include:
+    - os: linux
+      jdk: oraclejdk8
+      sudo: false
+      addons:
+        apt:
+          # Flutter depends on /usr/lib/x86_64-linux-gnu/libstdc++.so.6 version GLIBCXX_3.4.18
+          sources:
+            - ubuntu-toolchain-r-test # if we don't specify this, the libstdc++6 we get is the wrong version
+            - llvm-toolchain-precise # for clang-format-5.0
+          packages:
+            - libstdc++6
+            - fonts-droid
+            - clang-format-5.0
+      before_script:
+        - git clone https://github.com/flutter/flutter.git --depth 1
+        - ./flutter/bin/flutter doctor
+        - export PATH=`pwd`/flutter/bin:`pwd`/flutter/bin/cache/dart-sdk/bin:$PATH
+        - (cd scripts; ../flutter/bin/cache/dart-sdk/bin/pub get)
+      script:
+        - dart scripts/cli.dart format --travis --clang-format=clang-format-5.0
+        - dart scripts/cli.dart test
+    - os: linux
+      language: android
+      licenses:
+        - 'android-sdk-preview-license-.+'
+        - 'android-sdk-license-.+'
+        - 'google-gdk-license-.+'
+      android:
+        components:
+          - tools
+          - platform-tools
+          - build-tools-25.0.3
+          - android-25
+          - sys-img-armeabi-v7a-google_apis-25
+          - extra-android-m2repository
+          - extra-google-m2repository
+          - extra-google-android-support
+      jdk: oraclejdk8
+      sudo: false
+      addons:
+        apt:
+          # Flutter depends on /usr/lib/x86_64-linux-gnu/libstdc++.so.6 version GLIBCXX_3.4.18
+          sources:
+            - ubuntu-toolchain-r-test # if we don't specify this, the libstdc++6 we get is the wrong version
+          packages:
+            - libstdc++6
+            - fonts-droid
+      before_script:
+        - wget http://services.gradle.org/distributions/gradle-3.5-bin.zip
+        - unzip -qq gradle-3.5-bin.zip
+        - export GRADLE_HOME=$PWD/gradle-3.5
+        - export PATH=$GRADLE_HOME/bin:$PATH
+        - gradle -v
+        - android list targets
+        - echo no | android create avd --force -n test -t android-25 --abi armeabi-v7a --tag google_apis
+        - git clone https://github.com/flutter/flutter.git --depth 1
+        - ./flutter/bin/flutter doctor
+        - export PATH=`pwd`/flutter/bin:`pwd`/flutter/bin/cache/dart-sdk/bin:$PATH
+        - (cd scripts; ../flutter/bin/cache/dart-sdk/bin/pub get)
+      script:
+        - dart scripts/cli.dart build --apk
+    - os: osx
+      language: generic
+      osx_image: xcode8.3
+      before_script:
+        - pip install six
+        - brew update
+        - brew install --HEAD libimobiledevice
+        - brew install ideviceinstaller
+        - brew install ios-deploy
+        - git clone https://github.com/flutter/flutter.git --depth 1
+        - ./flutter/bin/flutter doctor
+        - export PATH=`pwd`/flutter/bin:`pwd`/flutter/bin/cache/dart-sdk/bin:$PATH
+        - (cd scripts; ../flutter/bin/cache/dart-sdk/bin/pub get)
+      script:
+        - dart scripts/cli.dart build --ipa
+
+cache:
+  directories:
+    - $HOME/.pub-cache

scripts/.gitignore

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+google-java-format-1.3-all-deps.jar

scripts/cli.dart

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+// Copyright 2017 The Chromium 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:async';
+import 'dart:io';
+import 'dart:convert';
+
+import 'package:args/command_runner.dart';
+import 'package:path/path.dart' as p;
+import 'package:http/http.dart' as http;
+
+void main(List<String> args) {
+  Directory packagesDir = new Directory(
+      p.join(p.dirname(p.dirname(p.fromUri(Platform.script))), 'packages'));
+
+  new CommandRunner('cli', 'Various productivity utils.')
+    ..addCommand(new TestCommand(packagesDir))
+    ..addCommand(new AnalyzeCommand(packagesDir))
+    ..addCommand(new FormatCommand(packagesDir))
+    ..addCommand(new BuildCommand(packagesDir))
+    ..run(args);
+}
+
+class TestCommand extends Command {
+  TestCommand(this.packagesDir);
+
+  final Directory packagesDir;
+
+  final name = 'test';
+  final description = 'Runs the tests for all packages.';
+
+  Future run() async {
+    List<String> failingPackages = <String>[];
+    for (Directory packageDir in _listAllPackages(packagesDir)) {
+      String packageName = p.relative(packageDir.path, from: packagesDir.path);
+      if (!new Directory(p.join(packageDir.path, 'test')).existsSync()) {
+        print('\nSKIPPING $packageName - no test subdirectory');
+        continue;
+      }
+
+      print('\nRUNNING $packageName tests...');
+      Process process = await Process.start('flutter', ['test', '--color'],
+          workingDirectory: packageDir.path);
+      stdout.addStream(process.stdout);
+      stderr.addStream(process.stderr);
+      if (await process.exitCode != 0) {
+        failingPackages.add(packageName);
+      }
+    }
+
+    print('\n\n');
+    if (failingPackages.isNotEmpty) {
+      print('Tests for the following packages are failing (see above):');
+      failingPackages.forEach((String package) {
+        print(' * $package');
+      });
+    } else {
+      print('All tests are passing!');
+    }
+    exit(failingPackages.length);
+  }
+
+  Iterable<Directory> _listAllPackages(Directory root) => root
+      .listSync(recursive: true)
+      .where((FileSystemEntity entity) =>
+          entity is File && p.basename(entity.path) == 'pubspec.yaml')
+      .map((FileSystemEntity entity) => entity.parent);
+}
+
+class AnalyzeCommand extends Command {
+  AnalyzeCommand(this.packagesDir);
+
+  final Directory packagesDir;
+
+  final name = 'analyze';
+  final description = 'Analyzes all packages.';
+
+  Future run() async {
+    print('TODO(goderbauer): Implement command when '
+        'https://github.com/flutter/flutter/issues/10015 is resolved.');
+    exit(1);
+  }
+}
+
+class FormatCommand extends Command {
+  FormatCommand(this.packagesDir) {
+    argParser.addFlag('travis', hide: true);
+    argParser.addOption('clang-format', defaultsTo: 'clang-format');
+  }
+
+  final Directory packagesDir;
+
+  final name = 'format';
+  final description = 'Formats the code of all packages.';
+
+  Future run() async {
+    String javaFormatterPath = p.join(p.dirname(p.fromUri(Platform.script)),
+        'google-java-format-1.3-all-deps.jar');
+    File javaFormatterFile = new File(javaFormatterPath);
+
+    if (!javaFormatterFile.existsSync()) {
+      print('Downloading Google Java Format...');
+      http.Response response = await http.get(
+          'https://github.com/google/google-java-format/releases/download/google-java-format-1.3/google-java-format-1.3-all-deps.jar');
+      javaFormatterFile.writeAsBytesSync(response.bodyBytes);
+    }
+
+    print('Formatting all .dart files...');
+    Process.runSync('flutter', ['format'], workingDirectory: packagesDir.path);
+
+    print('Formatting all .java files...');
+    Iterable<String> javaFiles = _getFilesWithExtension(packagesDir, '.java');
+    Process.runSync(
+        'java', ['-jar', javaFormatterPath, '--replace']..addAll(javaFiles),
+        workingDirectory: packagesDir.path);
+
+    print('Formatting all .m and .h files...');
+    Iterable<String> hFiles = _getFilesWithExtension(packagesDir, '.h');
+    Iterable<String> mFiles = _getFilesWithExtension(packagesDir, '.m');
+    Process.runSync(argResults['clang-format'],
+        ['-i', '--style=Google']..addAll(hFiles)..addAll(mFiles),
+        workingDirectory: packagesDir.path);
+
+    if (argResults['travis']) {
+      ProcessResult modifiedFiles = Process.runSync(
+          'git', ['ls-files', '--modified'],
+          workingDirectory: packagesDir.path);
+      print('\n\n');
+      if (modifiedFiles.stdout.isNotEmpty) {
+        ProcessResult diff = Process.runSync('git', ['diff', '--color'],
+            workingDirectory: packagesDir.path);
+        print(diff.stdout);
+
+        print('These files are not formatted correctly (see diff above):');
+        LineSplitter
+            .split(modifiedFiles.stdout)
+            .map((String line) => '  $line')
+            .forEach(print);
+        print('\nTo fix run "pub get && dart cli.dart format" inside scripts/');
+        exit(1);
+      } else {
+        print('All files formatted correctly.');
+        exit(0);
+      }
+    }
+  }
+
+  Iterable<String> _getFilesWithExtension(Directory dir, String extension) =>
+      dir
+          .listSync(recursive: true)
+          .where((FileSystemEntity entity) =>
+              entity is File && p.extension(entity.path) == extension)
+          .map((FileSystemEntity entity) => entity.path);
+}
+
+class BuildCommand extends Command {
+  BuildCommand(this.packagesDir) {
+    argParser.addFlag('ipa', defaultsTo: Platform.isMacOS);
+    argParser.addFlag('apk');
+  }
+
+  final Directory packagesDir;
+
+  final name = 'build';
+  final description = 'Builds all example apps.';
+
+  Future run() async {
+    List<String> failingPackages = <String>[];
+    for (Directory example in _getExamplePackages(packagesDir)) {
+      String packageName = p.relative(example.path, from: packagesDir.path);
+
+      if (argResults['ipa']) {
+        print('\nBUILDING IPA for $packageName');
+        Process process = await Process.start(
+            'flutter', ['build', 'ios', '--no-codesign'],
+            workingDirectory: example.path);
+        stdout.addStream(process.stdout);
+        stderr.addStream(process.stderr);
+        if (await process.exitCode != 0) {
+          failingPackages.add('$packageName (ipa)');
+        }
+      } else {
+        print('\nSkipping IPA for $packageName (run with --ipa to build this)');
+      }
+
+      if (argResults['apk']) {
+        print('\nBUILDING APK for $packageName');
+        Process process = await Process.start('flutter', ['build', 'apk'],
+            workingDirectory: example.path);
+        stdout.addStream(process.stdout);
+        stderr.addStream(process.stderr);
+        if (await process.exitCode != 0) {
+          failingPackages.add('$packageName (apk)');
+        }
+      } else {
+        print('\nSkipping APK for $packageName (run with --apk to build this)');
+      }
+    }
+
+    print('\n\n');
+    if (failingPackages.isNotEmpty) {
+      print('The following build are failing (see above for details):');
+      failingPackages.forEach((String package) {
+        print(' * $package');
+      });
+    } else {
+      print('All builds successful!');
+    }
+    exit(failingPackages.length);
+  }
+
+  Iterable<Directory> _getExamplePackages(Directory dir) => dir
+      .listSync(recursive: true)
+      .where((FileSystemEntity entity) =>
+          entity is Directory && p.basename(entity.path) == 'example')
+      .where((Directory dir) => dir.listSync().any((FileSystemEntity entity) =>
+          entity is File && p.basename(entity.path) == 'pubspec.yaml'));
+}

scripts/pubspec.yaml

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+name: scripts
+
+dependencies:
+  args: "^0.13.7"
+  path: "^1.4.1"
+  http: "^0.11.3+13"