applies new string literal convention in railties/lib

The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.

12 files changed, 94 insertions, 94 deletions

diff --git a/railties/lib/rails/commands/application.rb b/railties/lib/rails/commands/application.rb
index c998e6b6a8..f6e7771cf3 100644
--- a/railties/lib/rails/commands/application.rb
+++ b/railties/lib/rails/commands/application.rb
@@ -1,5 +1,5 @@
-require 'rails/generators'
-require 'rails/generators/rails/app/app_generator'
+require "rails/generators"
+require "rails/generators/rails/app/app_generator"
 
 module Rails
   module Generators
diff --git a/railties/lib/rails/commands/commands_tasks.rb b/railties/lib/rails/commands/commands_tasks.rb
index da3b9452d5..02f6472330 100644
--- a/railties/lib/rails/commands/commands_tasks.rb
+++ b/railties/lib/rails/commands/commands_tasks.rb
@@ -1,4 +1,4 @@
-require 'rails/commands/rake_proxy'
+require "rails/commands/rake_proxy"
 
 module Rails
   # This is a class which takes in a rails command and initiates the appropriate
@@ -30,9 +30,9 @@ In addition to those commands, there are:
 EOT
 
     ADDITIONAL_COMMANDS = [
-      [ 'destroy', 'Undo code generated with "generate" (short-cut alias: "d")' ],
-      [ 'plugin new', 'Generates skeleton for developing a Rails plugin' ],
-      [ 'runner',
+      [ "destroy", 'Undo code generated with "generate" (short-cut alias: "d")' ],
+      [ "plugin new", "Generates skeleton for developing a Rails plugin" ],
+      [ "runner",
         'Run a piece of code in the application environment (short-cut alias: "r")' ]
     ]
 
@@ -69,7 +69,7 @@ EOT
       options = Rails::Console.parse_arguments(argv)
 
       # RAILS_ENV needs to be set before config/application is required
-      ENV['RAILS_ENV'] = options[:environment] if options[:environment]
+      ENV["RAILS_ENV"] = options[:environment] if options[:environment]
 
       # shift ARGV so IRB doesn't freak
       shift_argv!
@@ -113,7 +113,7 @@ EOT
     end
 
     def version
-      argv.unshift '--version'
+      argv.unshift "--version"
       require_command!("application")
     end
 
@@ -131,7 +131,7 @@ EOT
       end
 
       def shift_argv!
-        argv.shift if argv.first && argv.first[0] != '-'
+        argv.shift if argv.first && argv.first[0] != "-"
       end
 
       def require_command!(command)
@@ -139,7 +139,7 @@ EOT
       end
 
       def generate_or_destroy(command)
-        require 'rails/generators'
+        require "rails/generators"
         require_application_and_environment!
         Rails.application.load_generators
         require_command!(command)
@@ -149,7 +149,7 @@ EOT
       # This allows us to run `rails server` from other directories, but still get
       # the main config.ru and properly set the tmp directory.
       def set_application_directory!
-        Dir.chdir(File.expand_path('../../', APP_PATH)) unless File.exist?(File.expand_path("config.ru"))
+        Dir.chdir(File.expand_path("../../", APP_PATH)) unless File.exist?(File.expand_path("config.ru"))
       end
 
       def require_application_and_environment!
@@ -168,10 +168,10 @@ EOT
 
       def parse_command(command)
         case command
-        when '--version', '-v'
-          'version'
-        when '--help', '-h'
-          'help'
+        when "--version", "-v"
+          "version"
+        when "--help", "-h"
+          "help"
         else
           command
         end
diff --git a/railties/lib/rails/commands/console.rb b/railties/lib/rails/commands/console.rb
index a4ab31f793..e00887323e 100644
--- a/railties/lib/rails/commands/console.rb
+++ b/railties/lib/rails/commands/console.rb
@@ -1,7 +1,7 @@
-require 'optparse'
-require 'irb'
-require 'irb/completion'
-require 'rails/commands/console_helper'
+require "optparse"
+require "irb"
+require "irb/completion"
+require "rails/commands/console_helper"
 
 module Rails
   class Console
@@ -21,7 +21,7 @@ module Rails
 
         OptionParser.new do |opt|
           opt.banner = "Usage: rails console [environment] [options]"
-          opt.on('-s', '--sandbox', 'Rollback database modifications on exit.') { |v| options[:sandbox] = v }
+          opt.on("-s", "--sandbox", "Rollback database modifications on exit.") { |v| options[:sandbox] = v }
           opt.on("-e", "--environment=name", String,
                   "Specifies the environment to run this console under (test/development/production).",
                   "Default: development") { |v| options[:environment] = v.strip }
diff --git a/railties/lib/rails/commands/console_helper.rb b/railties/lib/rails/commands/console_helper.rb
index 8ee0b60012..48c489740e 100644
--- a/railties/lib/rails/commands/console_helper.rb
+++ b/railties/lib/rails/commands/console_helper.rb
@@ -1,4 +1,4 @@
-require 'active_support/concern'
+require "active_support/concern"
 
 module Rails
   module ConsoleHelper # :nodoc:
@@ -11,7 +11,7 @@ module Rails
       
       private
         def set_options_env(arguments, options)
-          if arguments.first && arguments.first[0] != '-'
+          if arguments.first && arguments.first[0] != "-"
             env = arguments.first
             if available_environments.include? env
               options[:environment] = env
@@ -23,7 +23,7 @@ module Rails
         end
 
         def available_environments
-          Dir['config/environments/*.rb'].map { |fname| File.basename(fname, '.*') }
+          Dir["config/environments/*.rb"].map { |fname| File.basename(fname, ".*") }
         end  
     end
 
diff --git a/railties/lib/rails/commands/dbconsole.rb b/railties/lib/rails/commands/dbconsole.rb
index 2c36edfa3f..95cd1fe528 100644
--- a/railties/lib/rails/commands/dbconsole.rb
+++ b/railties/lib/rails/commands/dbconsole.rb
@@ -1,7 +1,7 @@
-require 'erb'
-require 'yaml'
-require 'optparse'
-require 'rails/commands/console_helper'
+require "erb"
+require "yaml"
+require "optparse"
+require "rails/commands/console_helper"
 
 module Rails
   class DBConsole
@@ -16,16 +16,16 @@ module Rails
         OptionParser.new do |opt|
           opt.banner = "Usage: rails dbconsole [environment] [options]"
           opt.on("-p", "--include-password", "Automatically provide the password from database.yml") do |v|
-            options['include_password'] = true
+            options["include_password"] = true
           end
 
-          opt.on("--mode [MODE]", ['html', 'list', 'line', 'column'],
+          opt.on("--mode [MODE]", ["html", "list", "line", "column"],
             "Automatically put the sqlite3 database in the specified mode (html, list, line, column).") do |mode|
-              options['mode'] = mode
+              options["mode"] = mode
           end
 
           opt.on("--header") do |h|
-            options['header'] = h
+            options["header"] = h
           end
 
           opt.on("-h", "--help", "Show this help message.") do
@@ -52,70 +52,70 @@ module Rails
 
     def start
       options = self.class.parse_arguments(arguments)
-      ENV['RAILS_ENV'] = options[:environment] || environment
+      ENV["RAILS_ENV"] = options[:environment] || environment
 
       case config["adapter"]
       when /^(jdbc)?mysql/
         args = {
-          'host'      => '--host',
-          'port'      => '--port',
-          'socket'    => '--socket',
-          'username'  => '--user',
-          'encoding'  => '--default-character-set',
-          'sslca'     => '--ssl-ca',
-          'sslcert'   => '--ssl-cert',
-          'sslcapath' => '--ssl-capath',
-          'sslcipher' => '--ssl-cipher',
-          'sslkey'    => '--ssl-key'
+          "host"      => "--host",
+          "port"      => "--port",
+          "socket"    => "--socket",
+          "username"  => "--user",
+          "encoding"  => "--default-character-set",
+          "sslca"     => "--ssl-ca",
+          "sslcert"   => "--ssl-cert",
+          "sslcapath" => "--ssl-capath",
+          "sslcipher" => "--ssl-cipher",
+          "sslkey"    => "--ssl-key"
         }.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact
 
-        if config['password'] && options['include_password']
+        if config["password"] && options["include_password"]
           args << "--password=#{config['password']}"
-        elsif config['password'] && !config['password'].to_s.empty?
+        elsif config["password"] && !config["password"].to_s.empty?
           args << "-p"
         end
 
-        args << config['database']
+        args << config["database"]
 
-        find_cmd_and_exec(['mysql', 'mysql5'], *args)
+        find_cmd_and_exec(["mysql", "mysql5"], *args)
 
       when /^postgres|^postgis/
-        ENV['PGUSER']     = config["username"] if config["username"]
-        ENV['PGHOST']     = config["host"] if config["host"]
-        ENV['PGPORT']     = config["port"].to_s if config["port"]
-        ENV['PGPASSWORD'] = config["password"].to_s if config["password"] && options['include_password']
-        find_cmd_and_exec('psql', config["database"])
+        ENV["PGUSER"]     = config["username"] if config["username"]
+        ENV["PGHOST"]     = config["host"] if config["host"]
+        ENV["PGPORT"]     = config["port"].to_s if config["port"]
+        ENV["PGPASSWORD"] = config["password"].to_s if config["password"] && options["include_password"]
+        find_cmd_and_exec("psql", config["database"])
 
       when "sqlite3"
         args = []
 
-        args << "-#{options['mode']}" if options['mode']
-        args << "-header" if options['header']
-        args << File.expand_path(config['database'], Rails.respond_to?(:root) ? Rails.root : nil)
+        args << "-#{options['mode']}" if options["mode"]
+        args << "-header" if options["header"]
+        args << File.expand_path(config["database"], Rails.respond_to?(:root) ? Rails.root : nil)
 
-        find_cmd_and_exec('sqlite3', *args)
+        find_cmd_and_exec("sqlite3", *args)
 
       when "oracle", "oracle_enhanced"
         logon = ""
 
-        if config['username']
-          logon = config['username']
-          logon << "/#{config['password']}" if config['password'] && options['include_password']
-          logon << "@#{config['database']}" if config['database']
+        if config["username"]
+          logon = config["username"]
+          logon << "/#{config['password']}" if config["password"] && options["include_password"]
+          logon << "@#{config['database']}" if config["database"]
         end
 
-        find_cmd_and_exec('sqlplus', logon)
+        find_cmd_and_exec("sqlplus", logon)
 
       when "sqlserver"
         args = []
 
-        args += ["-D", "#{config['database']}"] if config['database']
-        args += ["-U", "#{config['username']}"] if config['username']
-        args += ["-P", "#{config['password']}"] if config['password']
+        args += ["-D", "#{config['database']}"] if config["database"]
+        args += ["-U", "#{config['username']}"] if config["username"]
+        args += ["-P", "#{config['password']}"] if config["password"]
 
-        if config['host']
+        if config["host"]
           host_arg = "#{config['host']}"
-          host_arg << ":#{config['port']}" if config['port']
+          host_arg << ":#{config['port']}" if config["port"]
           args += ["-S", host_arg]
         end
 
@@ -150,8 +150,8 @@ module Rails
       def find_cmd_and_exec(commands, *args)
         commands = Array(commands)
 
-        dirs_on_path = ENV['PATH'].to_s.split(File::PATH_SEPARATOR)
-        unless (ext = RbConfig::CONFIG['EXEEXT']).empty?
+        dirs_on_path = ENV["PATH"].to_s.split(File::PATH_SEPARATOR)
+        unless (ext = RbConfig::CONFIG["EXEEXT"]).empty?
           commands = commands.map{|cmd| "#{cmd}#{ext}"}
         end
 
diff --git a/railties/lib/rails/commands/destroy.rb b/railties/lib/rails/commands/destroy.rb
index ce26cc3fde..71c8c5e526 100644
--- a/railties/lib/rails/commands/destroy.rb
+++ b/railties/lib/rails/commands/destroy.rb
@@ -1,9 +1,9 @@
-require 'rails/generators'
+require "rails/generators"
 
 #if no argument/-h/--help is passed to rails destroy command, then
 #it generates the help associated.
 if [nil, "-h", "--help"].include?(ARGV.first)
-  Rails::Generators.help 'destroy'
+  Rails::Generators.help "destroy"
   exit
 end
 
diff --git a/railties/lib/rails/commands/generate.rb b/railties/lib/rails/commands/generate.rb
index 926c36b967..ba6f14073e 100644
--- a/railties/lib/rails/commands/generate.rb
+++ b/railties/lib/rails/commands/generate.rb
@@ -1,9 +1,9 @@
-require 'rails/generators'
+require "rails/generators"
 
 #if no argument/-h/--help is passed to rails generate command, then
 #it generates the help associated.
 if [nil, "-h", "--help"].include?(ARGV.first)
-  Rails::Generators.help 'generate'
+  Rails::Generators.help "generate"
   exit
 end
 
diff --git a/railties/lib/rails/commands/plugin.rb b/railties/lib/rails/commands/plugin.rb
index 52d8966ead..ee5abdf880 100644
--- a/railties/lib/rails/commands/plugin.rb
+++ b/railties/lib/rails/commands/plugin.rb
@@ -7,7 +7,7 @@ else
     railsrc = if customrc
                 File.expand_path(ARGV.delete_at(customrc).gsub(/--rc=/, ""))
               else
-                File.join(File.expand_path("~"), '.railsrc')
+                File.join(File.expand_path("~"), ".railsrc")
               end
     if File.exist?(railsrc)
       extra_args_string = File.read(railsrc)
@@ -18,6 +18,6 @@ else
   end
 end
 
-require 'rails/generators'
-require 'rails/generators/rails/plugin/plugin_generator'
+require "rails/generators"
+require "rails/generators/rails/plugin/plugin_generator"
 Rails::Generators::PluginGenerator.start
diff --git a/railties/lib/rails/commands/rake_proxy.rb b/railties/lib/rails/commands/rake_proxy.rb
index f7d5df6b2f..ad5249ff48 100644
--- a/railties/lib/rails/commands/rake_proxy.rb
+++ b/railties/lib/rails/commands/rake_proxy.rb
@@ -1,5 +1,5 @@
-require 'rake'
-require 'active_support'
+require "rake"
+require "active_support"
 
 module Rails
   module RakeProxy #:nodoc:
@@ -8,7 +8,7 @@ module Rails
         ARGV.unshift(command) # Prepend the command, so Rake knows how to run it.
 
         Rake.application.standard_exception_handling do
-          Rake.application.init('rails')
+          Rake.application.init("rails")
           Rake.application.load_rakefile
           Rake.application.top_level
         end
@@ -22,7 +22,7 @@ module Rails
         end
 
         Rake::TaskManager.record_task_metadata = true
-        Rake.application.instance_variable_set(:@name, 'rails')
+        Rake.application.instance_variable_set(:@name, "rails")
         Rails.application.load_tasks
         @rake_tasks = Rake.application.tasks.select(&:comment)
       end
diff --git a/railties/lib/rails/commands/runner.rb b/railties/lib/rails/commands/runner.rb
index f9c183ac86..38c749151c 100644
--- a/railties/lib/rails/commands/runner.rb
+++ b/railties/lib/rails/commands/runner.rb
@@ -1,8 +1,8 @@
-require 'optparse'
+require "optparse"
 
-options = { environment: (ENV['RAILS_ENV'] || ENV['RACK_ENV'] || "development").dup }
+options = { environment: (ENV["RAILS_ENV"] || ENV["RACK_ENV"] || "development").dup }
 code_or_file = nil
-command = 'bin/rails runner'
+command = "bin/rails runner"
 
 if ARGV.first.nil?
   ARGV.push "-h"
@@ -31,7 +31,7 @@ ARGV.clone.options do |opts|
     opts.separator "    rails runner path/to/filename.rb"
     opts.separator "        This runs the Ruby file located at `path/to/filename.rb` after loading the app"
 
-  if RbConfig::CONFIG['host_os'] !~ /mswin|mingw/
+  if RbConfig::CONFIG["host_os"] !~ /mswin|mingw/
     opts.separator ""
     opts.separator "You can also use runner as a shebang line for your executables:"
     opts.separator "    -------------------------------------------------------------"
diff --git a/railties/lib/rails/commands/server.rb b/railties/lib/rails/commands/server.rb
index f641d9bf2c..a0af8976f1 100644
--- a/railties/lib/rails/commands/server.rb
+++ b/railties/lib/rails/commands/server.rb
@@ -1,8 +1,8 @@
-require 'fileutils'
-require 'optparse'
-require 'action_dispatch'
-require 'rails'
-require 'rails/dev_caching'
+require "fileutils"
+require "optparse"
+require "action_dispatch"
+require "rails"
+require "rails/dev_caching"
 
 module Rails
   class Server < ::Rack::Server
@@ -80,7 +80,7 @@ module Rails
     ensure
       # The '-h' option calls exit before @options is set.
       # If we call 'options' with it unset, we get double help banners.
-      puts 'Exiting' unless @options && options[:daemonize]
+      puts "Exiting" unless @options && options[:daemonize]
     end
 
     def middleware
@@ -89,10 +89,10 @@ module Rails
 
     def default_options
       super.merge({
-        Port:               ENV.fetch('PORT', 3000).to_i,
-        Host:               ENV.fetch('HOST', 'localhost').dup,
+        Port:               ENV.fetch("PORT", 3000).to_i,
+        Host:               ENV.fetch("HOST", "localhost").dup,
         DoNotReverseLookup: true,
-        environment:        (ENV['RAILS_ENV'] || ENV['RACK_ENV'] || "development").dup,
+        environment:        (ENV["RAILS_ENV"] || ENV["RACK_ENV"] || "development").dup,
         daemonize:          false,
         caching:            nil,
         pid:                Options::DEFAULT_PID_PATH,
@@ -117,7 +117,7 @@ module Rails
 
       def create_tmp_directories
         %w(cache pids sockets).each do |dir_to_make|
-          FileUtils.mkdir_p(File.join(Rails.root, 'tmp', dir_to_make))
+          FileUtils.mkdir_p(File.join(Rails.root, "tmp", dir_to_make))
         end
       end
 
diff --git a/railties/lib/rails/commands/test.rb b/railties/lib/rails/commands/test.rb
index dd069f081f..219c2fa4e0 100644
--- a/railties/lib/rails/commands/test.rb
+++ b/railties/lib/rails/commands/test.rb
@@ -1,9 +1,9 @@
 require "rails/test_unit/minitest_plugin"
 
 if defined?(ENGINE_ROOT)
-  $: << File.expand_path('test', ENGINE_ROOT)
+  $: << File.expand_path("test", ENGINE_ROOT)
 else
-  $: << File.expand_path('../../test', APP_PATH)
+  $: << File.expand_path("../../test", APP_PATH)
 end
 
 exit Minitest.run(ARGV)