[ci skip] danger

Dangerfile

@@ -1,5 +1,18 @@
-Danger::Changelog.configure do |config|
-  config.filename = 'NEWS.md'
+CHANGELOG_FILE = 'NEWS.md'
+GITHUB_REPO = 'https://github.com/doorkeeper-gem/doorkeeper'
+
+def changelog_changed?
+  git.modified_files.include?(CHANGELOG_FILE) || git.added_files.include?(CHANGELOG_FILE)
+end
+
+def changelog_entry_example
+  pr_number = github.pr_json['number']
+  pr_url = github.pr_json['html_url']
+  pr_title = github.pr_title
+                   .sub(/[?.!,;]?$/, '')
+                   .capitalize
+
+  "- [##{pr_number}](#{pr_url}): #{pr_title}."
 end
 
 # --------------------------------------------------------------------------------------------------------------------
@@ -31,4 +44,14 @@ end
 # --------------------------------------------------------------------------------------------------------------------
 # Have you updated CHANGELOG.md?
 # --------------------------------------------------------------------------------------------------------------------
-changelog.check
+# Add a CHANGELOG entry for app changes
+if has_app_changes && !changelog_changed?
+  markdown <<-MARKDOWN
+Here's an example of a #{CHANGELOG_FILE} entry:
+```markdown
+#{changelog_entry_example}
+```
+  MARKDOWN
+
+  fail("Please include a changelog entry. \nYou can find it at [#{CHANGELOG_FILE}](#{GITHUB_REPO}/blob/master/#{CHANGELOG_FILE}).")
+end

app/controllers/doorkeeper/application_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Doorkeeper
   class ApplicationController <
     Doorkeeper.configuration.base_controller.constantize

app/controllers/doorkeeper/application_metal_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Doorkeeper
   class ApplicationMetalController < ActionController::Metal
     MODULES = [

app/controllers/doorkeeper/applications_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Doorkeeper
   class ApplicationsController < Doorkeeper::ApplicationController
     layout 'doorkeeper/admin' unless Doorkeeper.configuration.api_only

app/controllers/doorkeeper/authorizations_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Doorkeeper
   class AuthorizationsController < Doorkeeper::ApplicationController
     before_action :authenticate_resource_owner!

app/controllers/doorkeeper/authorized_applications_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Doorkeeper
   class AuthorizedApplicationsController < Doorkeeper::ApplicationController
     before_action :authenticate_resource_owner!

app/controllers/doorkeeper/token_info_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Doorkeeper
   class TokenInfoController < Doorkeeper::ApplicationMetalController
     def show

app/controllers/doorkeeper/tokens_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Doorkeeper
   class TokensController < Doorkeeper::ApplicationMetalController
     def create

app/helpers/doorkeeper/dashboard_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Doorkeeper
   module DashboardHelper
     def doorkeeper_errors_for(object, method)

app/validators/redirect_uri_validator.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'uri'
 
 class RedirectUriValidator < ActiveModel::EachValidator

doorkeeper.gemspec

@@ -22,7 +22,6 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency 'capybara', '~> 2.18'
   gem.add_development_dependency 'coveralls'
   gem.add_development_dependency 'danger', '~> 5.0'
-  gem.add_development_dependency 'danger-changelog', '~> 0.3'
   gem.add_development_dependency 'grape'
   gem.add_development_dependency 'database_cleaner', '~> 1.6'
   gem.add_development_dependency 'factory_bot', '~> 4.8'

lib/doorkeeper/engine.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Doorkeeper
   class Engine < Rails::Engine
     initializer "doorkeeper.params.filter" do |app|