Rakefile in omniauth-gplus-2.0.0.beta1 vs Rakefile in omniauth-gplus-2.0.0.beta2

@@ -6,26 +6,33 @@
 
 begin
   Bundler.setup :default, :development
 rescue Bundler::BundlerError => error
   $stderr.puts error.message
-  $stderr.puts "Run `bundle install` to install missing gems"
+  $stderr.puts 'Run `bundle install` to install missing gems.'
   exit error.status_code
 end
 
 Bundler::GemHelper.install_tasks
 
-desc "Run all of the tests"
+desc 'Run all of the tests'
 Rake::TestTask.new do |config|
   config.libs << 'test'
   config.pattern = 'test/**/*_test*'
-  # config.verbose = true
-  # config.warning = true
 end
 
-desc "Generate all of the docs"
+desc 'Generate all of the docs'
 YARD::Rake::YardocTask.new do |config|
   config.files = Dir['lib/**/*.rb']
 end
 
+begin
+  require 'rubocop/rake_task'
+  Rubocop::RakeTask.new
+rescue LoadError
+  task :rubocop do
+    $stderr.puts 'Rubocop is disabled'
+  end
+end
+
 desc 'Default: run tests, and generate docs'
-task :default => [ :test, :yard ]
+task :default => [:test, :yard, :rubocop]