Rakefile in proposal-1.0.0 vs Rakefile in proposal-2.0.0

@@ -1,29 +1,25 @@
-#!/usr/bin/env rake
-begin
-  require 'bundler/setup'
-rescue LoadError
-  puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
-end
-begin
-  require 'rdoc/task'
-rescue LoadError
-  require 'rdoc/rdoc'
-  require 'rake/rdoctask'
-  RDoc::Task = Rake::RDocTask
-end
+require 'bundler/gem_tasks'
+require 'rake/testtask'
+require 'rubocop/rake_task'
+require 'rdoc/task'
 
+RuboCop::RakeTask.new
+
 RDoc::Task.new(:rdoc) do |rdoc|
   rdoc.rdoc_dir = 'rdoc'
   rdoc.title    = 'Proposal'
   rdoc.options << '--line-numbers'
-  rdoc.rdoc_files.include('README.rdoc')
+  rdoc.rdoc_files.include('README.md')
   rdoc.rdoc_files.include('lib/**/*.rb')
 end
 
+APP_RAKEFILE = File.expand_path("../test/dummy/Rakefile", __FILE__)
 
+load 'rails/tasks/engine.rake'
 
+load 'rails/tasks/statistics.rake'
 
 Bundler::GemHelper.install_tasks
 
 require 'rake/testtask'
 
@@ -32,7 +28,6 @@
   t.libs << 'test'
   t.pattern = 'test/**/*_test.rb'
   t.verbose = false
 end
 
-
-task :default => :test
+task default: [:test, :rubocop]