autofix styles with rubocop

Rakefile

@@ -21,7 +21,6 @@ RDoc::Task.new(:rdoc) do |rdoc|
   rdoc.rdoc_files.include('lib/**/*.rb')
 end
 
-
 Bundler::GemHelper.install_tasks
 
 require 'rake/testtask'
@@ -33,14 +32,13 @@ end
 
 task :test do
   begin
-    Bundler.with_clean_env { sh "cd test/dummy && rails g wagon test_wagon" }
-    Bundler.with_clean_env { sh "cd test/dummy && bundle exec rake wagon:bundle:update" }
+    Bundler.with_clean_env { sh 'cd test/dummy && rails g wagon test_wagon' }
+    Bundler.with_clean_env { sh 'cd test/dummy && bundle exec rake wagon:bundle:update' }
     Bundler.with_clean_env { sh "cd test/dummy && bundle exec rake db:migrate test  #{'-t' if Rake.application.options.trace}" }
     Bundler.with_clean_env { sh "cd test/dummy && bundle exec rake wagon:test  #{'-t' if Rake.application.options.trace}" }
   ensure
-    sh "rm -rf test/dummy/vendor/wagons/test_wagon"
+    sh 'rm -rf test/dummy/vendor/wagons/test_wagon'
   end
 end
 
-task :default => :test
-
+task default: :test

lib/generators/wagon/wagon_generator.rb

@@ -1,5 +1,4 @@
 class WagonGenerator < Rails::Generators::NamedBase #:nodoc:
-
   attr_reader :wagon_name
 
   source_root File.expand_path('../templates', __FILE__)
@@ -28,11 +27,10 @@ def copy_templates
   private
 
   def all_templates
-    source_paths.collect do |path|
-      Dir[File.join(path, "**", "{*,.[a-z]*}")].
-          select {|f| File.file?(f) }.
-          collect {|f| f.sub(path + File::SEPARATOR, '') }
+    source_paths.map do |path|
+      Dir[File.join(path, '**', '{*,.[a-z]*}')].
+          select { |f| File.file?(f) }.
+          map { |f| f.sub(path + File::SEPARATOR, '') }
     end.flatten.uniq.sort
   end
-
 end

lib/wagons.rb

@@ -10,45 +10,43 @@
 require 'wagons/extensions/require_optional'
 require 'wagons/extensions/test_case'
 
-
 # Utility class to find single wagons and provide additional information
 # about the main application.
 module Wagons
   # All wagons installed in the current Rails application.
   def self.all
     enumerable = Rails.application.railties
     enumerable = enumerable.all if enumerable.respond_to?(:all)
-    enumerable.select {|r| r.is_a?(Wagon) }
+    enumerable.select { |r| r.is_a?(Wagon) }
   end
-  
+
   # Find a wagon by its name.
   def self.find(name)
     name = name.to_s
-    all.find {|wagon| wagon.wagon_name == name || wagon.gem_name == name }
+    all.find { |wagon| wagon.wagon_name == name || wagon.gem_name == name }
   end
-  
+
   # The name of the main Rails application.
   # By default, this is the underscored name of the application module.
   # This name is directly used for the gem names,
   def self.app_name
     @app_name ||= Rails.application.class.name.split('::').first.underscore
   end
-  
+
   # Set the application name. Should be lowercase with underscores.
   # Do this in an initializer.
   def self.app_name=(name)
     @app_name = name
   end
-  
+
   # The version of the main application.
   def self.app_version
-    @app_version ||= Gem::Version.new("0")
+    @app_version ||= Gem::Version.new('0')
   end
-  
+
   # Set the version of the main application.
   # Do this in an initializer.
   def self.app_version=(version)
     @app_version = version.is_a?(Gem::Version) ? version : Gem::Version.new(version)
   end
 end
-

lib/wagons/extensions/application.rb

@@ -1,6 +1,5 @@
 module Rails
   class Application < Engine
-
     protected
 
     # Append wagons at the end of all railties, even after the application.
@@ -11,8 +10,7 @@ def ordered_railties_with_wagons
         end
       end
     end
-    
+
     alias_method_chain :ordered_railties, :wagons
-
   end
-end
+end

lib/wagons/extensions/require_optional.rb

@@ -5,5 +5,5 @@ def require_optional(*args)
   rescue LoadError
     # that's fine, it's an optional require
   end
-  alias optional_require require_optional
-end
+  alias_method :optional_require, :require_optional
+end

lib/wagons/extensions/test_case.rb

@@ -1,13 +1,11 @@
 module ActiveSupport #:nodoc:
   class TestCase
-
     # Resets the fixtures to the new path
     def self.reset_fixture_path(path)
-        self.fixture_table_names = []
-        self.fixture_class_names = {}
-        self.fixture_path = path
-        self.fixtures :all  
+      self.fixture_table_names = []
+      self.fixture_class_names = {}
+      self.fixture_path = path
+      fixtures :all
     end
-
   end
-end
+end