Rename resque_url to redis_url_string

config/initializers/7_cache_settings.rb

 redis_config_file = Rails.root.join('config', 'resque.yml')
 
-resque_url = if File.exists?(redis_config_file)
+redis_url_string = if File.exists?(redis_config_file)
                      YAML.load_file(redis_config_file)[Rails.env]
                    else
                      "redis://localhost:6379"
                    end
 
 # Redis::Store does not handle Unix sockets well, so let's do it for them
-redis_config_hash = Redis::Store::Factory.extract_host_options_from_uri(resque_url)
-redis_uri = URI.parse(resque_url)
+redis_config_hash = Redis::Store::Factory.extract_host_options_from_uri(redis_url_string)
+redis_uri = URI.parse(redis_url_string)
 if redis_uri.scheme == 'unix'
   redis_config_hash[:path] = redis_uri.path
 end