Guardfile in my_gems-0.2.0 vs Guardfile in my_gems-0.2.1

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 # A sample Guardfile
 # More info at https://github.com/guard/guard#readme
 
 ## Uncomment and set this to only include directories you want to watch
 # directories %w(app lib config test spec features) \
@@ -22,12 +24,12 @@
 #  * spring: 'bin/rspec' (This will use spring if running and you have
 #                          installed the spring binstubs per the docs)
 #  * zeus: 'zeus rspec' (requires the server to be started separately)
 #  * 'just' rspec: 'rspec'
 
-guard :rspec, cmd: "bundle exec rspec" do
-  require "guard/rspec/dsl"
+guard :rspec, cmd: 'bundle exec rspec' do
+  require 'guard/rspec/dsl'
   dsl = Guard::RSpec::Dsl.new(self)
 
   # Feel free to open issues for suggestions and improvements
 
   # RSpec files
@@ -39,11 +41,11 @@
   # Ruby files
   ruby = dsl.ruby
   dsl.watch_spec_files_for(ruby.lib_files)
 
   # Rails files
-  rails = dsl.rails(view_extensions: %w(erb haml slim))
+  rails = dsl.rails(view_extensions: %w[erb haml slim])
   dsl.watch_spec_files_for(rails.app_files)
   dsl.watch_spec_files_for(rails.views)
 
   watch(rails.controllers) do |m|
     [
@@ -63,8 +65,8 @@
   watch(rails.layouts)       { |m| rspec.spec.call("features/#{m[1]}") }
 
   # Turnip features and steps
   watch(%r{^spec/acceptance/(.+)\.feature$})
   watch(%r{^spec/acceptance/steps/(.+)_steps\.rb$}) do |m|
-    Dir[File.join("**/#{m[1]}.feature")][0] || "spec/acceptance"
+    Dir[File.join("**/#{m[1]}.feature")][0] || 'spec/acceptance'
   end
 end