ci: add check for license header and add melos command to add & check license header (#9704)

* Add `header_template.txt`

* Add instructions on running `addlicense`

* Run `addlicense -f header_template.txt .`

* Add `check-files-license-headers`

* Add comment

* Revert "Run `addlicense -f header_template.txt .`"

This reverts commit 3cfcc385f6f4c92d0bb189396e0cdfe87ba040b7.

* Add `melos run add-license-header`

* Adjust `CONTRIBUTING.md`

* Add `melos run check-license-header`

* Improve "check-files-license-headers" check

* Install Dart SDK instead of Flutter SDK

* disable `bootstrap`

* Add license header for missing files

* Ignore also text files

* ignore `.cmake`

* Add missing license header

Author: nilsreichardt

header_template.txt

@@ -0,0 +1,3 @@
+Copyright {{.Year}}, the Chromium 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.

packages/firebase_ui_auth/example/lib/config.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 // ignore_for_file: do_not_use_environment, constant_identifier_names
 
 const GOOGLE_CLIENT_ID =

packages/firebase_ui_auth/example/lib/decorations.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:flutter/material.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 

packages/firebase_ui_auth/example/lib/firebase_options.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 // File generated by FlutterFire CLI.
 // ignore_for_file: lines_longer_than_80_chars, avoid_classes_with_only_static_members
 import 'package:firebase_core/firebase_core.dart' show FirebaseOptions;

packages/firebase_ui_auth/example/lib/main.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart'
     hide PhoneAuthProvider, EmailAuthProvider;
 import 'package:firebase_core/firebase_core.dart';

packages/firebase_ui_auth/example/linux/flutter/generated_plugin_registrant.cc

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 //
 //  Generated file. Do not edit.
 //

packages/firebase_ui_auth/example/linux/flutter/generated_plugin_registrant.h

@@ -1,3 +1,9 @@
+/*
+ * Copyright 2022, the Chromium 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.
+ */
+
 //
 //  Generated file. Do not edit.
 //

packages/firebase_ui_auth/example/linux/main.cc

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 #include "my_application.h"
 
 int main(int argc, char** argv) {

packages/firebase_ui_auth/example/linux/my_application.cc

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 #include "my_application.h"
 
 #include <flutter_linux/flutter_linux.h>

packages/firebase_ui_auth/example/linux/my_application.h

@@ -1,3 +1,9 @@
+/*
+ * Copyright 2022, the Chromium 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.
+ */
+
 #ifndef FLUTTER_MY_APPLICATION_H_
 #define FLUTTER_MY_APPLICATION_H_
 

packages/firebase_ui_auth/example/test_driver/apple_sign_in_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/foundation.dart';

packages/firebase_ui_auth/example/test_driver/email_form_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/firebase_ui_auth/example/test_driver/email_link_sign_in_view_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/firebase_ui_auth/example/test_driver/facebook_sign_in_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';

packages/firebase_ui_auth/example/test_driver/firebase_options.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 // File generated by FlutterFire CLI.
 // ignore_for_file: lines_longer_than_80_chars, avoid_classes_with_only_static_members
 import 'package:firebase_core/firebase_core.dart' show FirebaseOptions;

packages/firebase_ui_auth/example/test_driver/google_sign_in_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';

packages/firebase_ui_auth/example/test_driver/layout_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:drive/drive.dart';
 import 'package:firebase_auth/firebase_auth.dart'
     hide EmailAuthProvider, PhoneAuthProvider;

packages/firebase_ui_auth/example/test_driver/phone_verification_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:flutter/material.dart';

packages/firebase_ui_auth/example/test_driver/twitter_sign_in_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';

packages/firebase_ui_auth/example/test_driver/universal_email_sign_in_screen_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart'
     hide EmailAuthProvider, PhoneAuthProvider;
 import 'package:firebase_core/firebase_core.dart';

packages/firebase_ui_auth/example/test_driver/utils.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:convert';
 
 import 'package:firebase_auth/firebase_auth.dart';

packages/firebase_ui_auth/example/windows/flutter/generated_plugin_registrant.cc

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 //
 //  Generated file. Do not edit.
 //

packages/firebase_ui_auth/example/windows/flutter/generated_plugin_registrant.h

@@ -1,3 +1,9 @@
+/*
+ * Copyright 2022, the Chromium 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.
+ */
+
 //
 //  Generated file. Do not edit.
 //

packages/firebase_ui_auth/example/windows/runner/flutter_window.cpp

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 #include "flutter_window.h"
 
 #include <optional>

packages/firebase_ui_auth/example/windows/runner/flutter_window.h

@@ -1,3 +1,9 @@
+/*
+ * Copyright 2022, the Chromium 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.
+ */
+
 #ifndef RUNNER_FLUTTER_WINDOW_H_
 #define RUNNER_FLUTTER_WINDOW_H_
 

packages/firebase_ui_auth/example/windows/runner/main.cpp

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 #include <flutter/dart_project.h>
 #include <flutter/flutter_view_controller.h>
 #include <windows.h>

packages/firebase_ui_auth/example/windows/runner/resource.h

@@ -1,3 +1,9 @@
+/*
+ * Copyright 2022, the Chromium 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.
+ */
+
 //{{NO_DEPENDENCIES}}
 // Microsoft Visual C++ generated include file.
 // Used by Runner.rc

packages/firebase_ui_auth/example/windows/runner/utils.cpp

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 #include "utils.h"
 
 #include <flutter_windows.h>

packages/firebase_ui_auth/example/windows/runner/utils.h

@@ -1,3 +1,9 @@
+/*
+ * Copyright 2022, the Chromium 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.
+ */
+
 #ifndef RUNNER_UTILS_H_
 #define RUNNER_UTILS_H_
 

packages/firebase_ui_auth/example/windows/runner/win32_window.cpp

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 #include "win32_window.h"
 
 #include <flutter_windows.h>

packages/firebase_ui_auth/example/windows/runner/win32_window.h

@@ -1,3 +1,9 @@
+/*
+ * Copyright 2022, the Chromium 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.
+ */
+
 #ifndef RUNNER_WIN32_WINDOW_H_
 #define RUNNER_WIN32_WINDOW_H_
 

packages/firebase_ui_auth/lib/firebase_ui_auth.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 // ignore_for_file: use_build_context_synchronously
 
 export 'src/loading_indicator.dart';

packages/firebase_ui_auth/lib/src/actions.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:flutter/material.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 

packages/firebase_ui_auth/lib/src/auth_controller.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart' show FirebaseAuth;
 import 'package:flutter/widgets.dart';
 

packages/firebase_ui_auth/lib/src/auth_flow.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 // ignore_file: unnecessary_this
 
 import 'package:flutter/foundation.dart';

packages/firebase_ui_auth/lib/src/auth_state.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:flutter/widgets.dart';
 import 'package:firebase_auth/firebase_auth.dart'

packages/firebase_ui_auth/lib/src/configs/countries.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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.
+
 part of '../widgets/phone_input.dart';
 
 final countries = [

packages/firebase_ui_auth/lib/src/email_verification.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:firebase_dynamic_links/firebase_dynamic_links.dart';
 import 'package:flutter/material.dart';

packages/firebase_ui_auth/lib/src/flows/email_flow.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart' as fba;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 

packages/firebase_ui_auth/lib/src/flows/email_link_flow.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:flutter/widgets.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';

packages/firebase_ui_auth/lib/src/flows/oauth_flow.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart' hide OAuthProvider;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 import 'package:flutter/foundation.dart' show TargetPlatform;

packages/firebase_ui_auth/lib/src/flows/phone_auth_flow.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart' as fba;
 import 'package:flutter/widgets.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';

packages/firebase_ui_auth/lib/src/flows/universal_email_sign_in_flow.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';
 

packages/firebase_ui_auth/lib/src/loading_indicator.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 

packages/firebase_ui_auth/lib/src/mfa.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart' hide PhoneAuthProvider;

packages/firebase_ui_auth/lib/src/navigation/authentication.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 import 'package:flutter/widgets.dart';

packages/firebase_ui_auth/lib/src/navigation/forgot_password.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';

packages/firebase_ui_auth/lib/src/navigation/phone_verification.dart

@@ -1,3 +1,7 @@
+// Copyright 2022, the Chromium 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:firebase_auth/firebase_auth.dart'
     show FirebaseAuth, MultiFactorSession, PhoneMultiFactorInfo;
 import 'package:firebase_ui_auth/firebase_ui_auth.dart';