Consistently use double-quotes

.rubocop.yml

@@ -88,3 +88,6 @@ PercentLiteralDelimiters:
     '%w': '[]'
     '%W': '[]'
     '%x': ()
+
+StringLiterals:
+  EnforcedStyle: double_quotes

Gemfile

@@ -1,28 +1,28 @@
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
-gem 'rake', '>= 0.9'
-gem 'rdoc', '>= 3.9'
+gem "rake", ">= 0.9"
+gem "rdoc", ">= 3.9"
 
 group :development do
-  gem 'guard-rspec'
-  gem 'pry'
+  gem "guard-rspec"
+  gem "pry"
   platforms :ruby_19, :ruby_20 do
-    gem 'pry-debugger'
-    gem 'pry-stack_explorer'
+    gem "pry-debugger"
+    gem "pry-stack_explorer"
   end
 end
 
 group :test do
-  gem 'childlabor'
-  gem 'coveralls', '>= 0.5.7', :require => false
+  gem "childlabor"
+  gem "coveralls", ">= 0.5.7", :require => false
   # mime-types is required indirectly by coveralls
   # needs to be < 2.0 to work with Ruby 1.8.7
-  gem 'mime-types', '~> 1.25', :platforms => [:jruby, :ruby_18]
-  gem 'fakeweb', '>= 1.3'
-  gem 'rspec', '>= 2.14'
-  gem 'rspec-mocks', '>= 2.12.2'
-  gem 'rubocop', '>= 0.19', :platforms => [:ruby_19, :ruby_20, :ruby_21]
-  gem 'simplecov', :require => false
+  gem "mime-types", "~> 1.25", :platforms => [:jruby, :ruby_18]
+  gem "fakeweb", ">= 1.3"
+  gem "rspec", ">= 2.14"
+  gem "rspec-mocks", ">= 2.12.2"
+  gem "rubocop", ">= 0.19", :platforms => [:ruby_19, :ruby_20, :ruby_21]
+  gem "simplecov", :require => false
 end
 
 gemspec

Thorfile

@@ -1,29 +1,29 @@
-$LOAD_PATH.unshift File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift File.expand_path("../lib", __FILE__)
 
-require 'bundler'
-require 'thor/rake_compat'
+require "bundler"
+require "thor/rake_compat"
 
 class Default < Thor
   include Thor::RakeCompat
   Bundler::GemHelper.install_tasks
 
-  desc 'build', "Build thor-#{Thor::VERSION}.gem into the pkg directory"
+  desc "build", "Build thor-#{Thor::VERSION}.gem into the pkg directory"
   def build
-    Rake::Task['build'].execute
+    Rake::Task["build"].execute
   end
 
-  desc 'install', "Build and install thor-#{Thor::VERSION}.gem into system gems"
+  desc "install", "Build and install thor-#{Thor::VERSION}.gem into system gems"
   def install
-    Rake::Task['install'].execute
+    Rake::Task["install"].execute
   end
 
-  desc 'release', "Create tag v#{Thor::VERSION} and build and push thor-#{Thor::VERSION}.gem to Rubygems"
+  desc "release", "Create tag v#{Thor::VERSION} and build and push thor-#{Thor::VERSION}.gem to Rubygems"
   def release
-    Rake::Task['release'].execute
+    Rake::Task["release"].execute
   end
 
-  desc 'spec', 'Run RSpec code examples'
+  desc "spec", "Run RSpec code examples"
   def spec
-    exec 'rspec spec'
+    exec "rspec spec"
   end
 end

bin/thor

@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 # -*- mode: ruby -*-
 
-require 'thor/runner'
+require "thor/runner"
 $thor_runner = true
 Thor::Runner.start

lib/thor.rb

@@ -1,5 +1,5 @@
-require 'set'
-require 'thor/base'
+require "set"
+require "thor/base"
 
 class Thor # rubocop:disable ClassLength
   class << self
@@ -10,7 +10,7 @@ class << self
     # options<Hash>
     #
     def package_name(name, options = {})
-      @package_name = name.nil? || name == '' ? nil : name
+      @package_name = name.nil? || name == "" ? nil : name
     end
 
     # Sets the default command when thor is executed without an explicit command to be called.
@@ -20,9 +20,9 @@ def package_name(name, options = {})
     #
     def default_command(meth = nil)
       if meth
-        @default_command = meth == :none ? 'help' : meth.to_s
+        @default_command = meth == :none ? "help" : meth.to_s
       else
-        @default_command ||= from_superclass(:default_command, 'help')
+        @default_command ||= from_superclass(:default_command, "help")
       end
     end
     alias_method :default_task, :default_command
@@ -167,12 +167,12 @@ def command_help(shell, command_name)
       command = all_commands[meth]
       handle_no_command_error(meth) unless command
 
-      shell.say 'Usage:'
+      shell.say "Usage:"
       shell.say "  #{banner(command)}"
       shell.say
       class_options_help(shell, nil => command.options.map { |_, o| o })
       if command.long_description
-        shell.say 'Description:'
+        shell.say "Description:"
         shell.print_wrapped(command.long_description, :indent => 2)
       else
         shell.say command.description
@@ -195,7 +195,7 @@ def help(shell, subcommand = false)
       if defined?(@package_name) && @package_name
         shell.say "#{@package_name} commands:"
       else
-        shell.say 'Commands:'
+        shell.say "Commands:"
       end
 
       shell.print_table(list, :indent => 2, :truncate => true)
@@ -209,7 +209,7 @@ def printable_commands(all = true, subcommand = false)
         next if command.hidden?
         item = []
         item << banner(command, false, subcommand)
-        item << (command.description ? "# #{command.description.gsub(/\s+/m, ' ')}" : '')
+        item << (command.description ? "# #{command.description.gsub(/\s+/m, ' ')}" : "")
         item
       end.compact
     end
@@ -231,7 +231,7 @@ def subcommand(subcommand, subcommand_class)
 
       define_method(subcommand) do |*args|
         args, opts = Thor::Arguments.split(args)
-        args.unshift('help') if opts.include? '--help' or opts.include? '-h'
+        args.unshift("help") if opts.include? "--help" or opts.include? "-h"
         invoke subcommand_class, args, opts, :invoked_via_subcommand => true, :class_options => options
       end
     end
@@ -386,11 +386,11 @@ def create_command(meth) #:nodoc:
         commands[meth] = base_class.new(meth, @desc, @long_desc, @usage, method_options)
         @usage, @desc, @long_desc, @method_options, @hide = nil
         true
-      elsif all_commands[meth] || meth == 'method_missing'
+      elsif all_commands[meth] || meth == "method_missing"
         true
       else
         puts "[WARNING] Attempted to create command #{meth.inspect} without usage or description. " <<
-             'Call desc if you want this method to be available as command or declare it inside a ' <<
+             "Call desc if you want this method to be available as command or declare it inside a " <<
              "no_commands{} block. Invoked from #{caller[1].inspect}."
         false
       end
@@ -421,7 +421,7 @@ def retrieve_command_name(args) #:nodoc:
     # +normalize_command_name+ also converts names like +animal-prison+
     # into +animal_prison+.
     def normalize_command_name(meth) #:nodoc:
-      return default_command.to_s.gsub('-', '_') unless meth
+      return default_command.to_s.gsub("-", "_") unless meth
 
       possibilities = find_command_possibilities(meth)
       if possibilities.size > 1
@@ -434,7 +434,7 @@ def normalize_command_name(meth) #:nodoc:
         meth = possibilities.first
       end
 
-      meth.to_s.gsub('-', '_') # treat foo-bar as foo_bar
+      meth.to_s.gsub("-", "_") # treat foo-bar as foo_bar
     end
     alias_method :normalize_task_name, :normalize_command_name
 
@@ -457,7 +457,7 @@ def find_command_possibilities(meth)
     alias_method :find_task_possibilities, :find_command_possibilities
 
     def subcommand_help(cmd)
-      desc 'help [COMMAND]', 'Describe subcommands or one specific subcommand'
+      desc "help [COMMAND]", "Describe subcommands or one specific subcommand"
       class_eval "
         def help(command = nil, subcommand = true); super; end
 "
@@ -469,7 +469,7 @@ def help(command = nil, subcommand = true); super; end
 
   map HELP_MAPPINGS => :help
 
-  desc 'help [COMMAND]', 'Describe available commands or one specific command'
+  desc "help [COMMAND]", "Describe available commands or one specific command"
   def help(command = nil, subcommand = false)
     if command
       if self.class.subcommands.include? command

lib/thor/actions.rb

@@ -1,12 +1,12 @@
-require 'fileutils'
-require 'uri'
-require 'thor/core_ext/io_binary_read'
-require 'thor/actions/create_file'
-require 'thor/actions/create_link'
-require 'thor/actions/directory'
-require 'thor/actions/empty_directory'
-require 'thor/actions/file_manipulation'
-require 'thor/actions/inject_into_file'
+require "fileutils"
+require "uri"
+require "thor/core_ext/io_binary_read"
+require "thor/actions/create_file"
+require "thor/actions/create_link"
+require "thor/actions/directory"
+require "thor/actions/empty_directory"
+require "thor/actions/file_manipulation"
+require "thor/actions/inject_into_file"
 
 class Thor
   module Actions
@@ -48,17 +48,17 @@ def source_paths_for_search
       # Add runtime options that help actions execution.
       #
       def add_runtime_options!
-        class_option :force, :type => :boolean, :aliases => '-f', :group => :runtime,
-                             :desc => 'Overwrite files that already exist'
+        class_option :force, :type => :boolean, :aliases => "-f", :group => :runtime,
+                             :desc => "Overwrite files that already exist"
 
-        class_option :pretend, :type => :boolean, :aliases => '-p', :group => :runtime,
-                               :desc => 'Run but do not make any changes'
+        class_option :pretend, :type => :boolean, :aliases => "-p", :group => :runtime,
+                               :desc => "Run but do not make any changes"
 
-        class_option :quiet, :type => :boolean, :aliases => '-q', :group => :runtime,
-                             :desc => 'Suppress status output'
+        class_option :quiet, :type => :boolean, :aliases => "-q", :group => :runtime,
+                             :desc => "Suppress status output"
 
-        class_option :skip, :type => :boolean, :aliases => '-s', :group => :runtime,
-                            :desc => 'Skip files that already exist'
+        class_option :skip, :type => :boolean, :aliases => "-s", :group => :runtime,
+                            :desc => "Skip files that already exist"
       end
     end
 
@@ -73,10 +73,10 @@ def add_runtime_options!
     #
     def initialize(args = [], options = {}, config = {})
       self.behavior = case config[:behavior].to_s
-                      when 'force', 'skip'
+                      when "force", "skip"
                         _cleanup_options_and_set(options, config[:behavior])
                         :invoke
-                      when 'revoke'
+                      when "revoke"
                         :revoke
                       else
                         :invoke
@@ -106,16 +106,16 @@ def destination_root
     #
     def destination_root=(root)
       @destination_stack ||= []
-      @destination_stack[0] = File.expand_path(root || '')
+      @destination_stack[0] = File.expand_path(root || "")
     end
 
     # Returns the given path relative to the absolute root (ie, root where
     # the script started).
     #
     def relative_to_original_destination_root(path, remove_dot = true)
       path = path.dup
-      if path.gsub!(@destination_stack[0], '.')
-        remove_dot ? (path[2..-1] || '') : path
+      if path.gsub!(@destination_stack[0], ".")
+        remove_dot ? (path[2..-1] || "") : path
       else
         path
       end
@@ -147,7 +147,7 @@ def find_in_source_paths(file) # rubocop:disable MethodLength
       end
 
       if source_paths.empty?
-        message << 'Currently you have no source paths.'
+        message << "Currently you have no source paths."
       else
         message << "Your current source paths are: \n#{source_paths.join("\n")}"
       end
@@ -164,7 +164,7 @@ def find_in_source_paths(file) # rubocop:disable MethodLength
     # dir<String>:: the directory to move to.
     # config<Hash>:: give :verbose => true to log and use padding.
     #
-    def inside(dir = '', config = {}, &block)
+    def inside(dir = "", config = {}, &block)
       verbose = config.fetch(:verbose, false)
       pretend = options[:pretend]
 
@@ -215,7 +215,7 @@ def apply(path, config = {})
       shell.padding += 1 if verbose
 
       if is_uri
-        contents = open(path, 'Accept' => 'application/x-thor-template') { |io| io.read }
+        contents = open(path, "Accept" => "application/x-thor-template") { |io| io.read }
       else
         contents = open(path) { |io| io.read }
       end
@@ -292,7 +292,7 @@ def thor(command, *args)
 
       args.unshift(command)
       args.push Thor::Options.to_switches(config)
-      command = args.join(' ').strip
+      command = args.join(" ").strip
 
       run command, :with => :thor, :verbose => verbose, :pretend => pretend, :capture => capture
     end
@@ -311,7 +311,7 @@ def _cleanup_options_and_set(options, key) #:nodoc:
         %w[--force -f --skip -s].each { |i| options.delete(i) }
         options << "--#{key}"
       when Hash
-        [:force, :skip, 'force', 'skip'].each { |i| options.delete(i) }
+        [:force, :skip, "force", "skip"].each { |i| options.delete(i) }
         options.merge!(key => true)
       end
     end

lib/thor/actions/create_file.rb

@@ -1,4 +1,4 @@
-require 'thor/actions/empty_directory'
+require "thor/actions/empty_directory"
 
 class Thor
   module Actions
@@ -59,7 +59,7 @@ def render
       def invoke!
         invoke_with_conflict_check do
           FileUtils.mkdir_p(File.dirname(destination))
-          File.open(destination, 'wb') { |f| f.write render }
+          File.open(destination, "wb") { |f| f.write render }
         end
         given_destination
       end

lib/thor/actions/create_link.rb

@@ -1,4 +1,4 @@
-require 'thor/actions/create_file'
+require "thor/actions/create_file"
 
 class Thor
   module Actions