class Rails::Application

def run_load_hooks! # :nodoc:
  return self if @ran_load_hooks
  @ran_load_hooks = true
  @initial_variable_values.each do |variable_name, value|
    if INITIAL_VARIABLES.include?(variable_name)
      instance_variable_set("@#{variable_name}", value)
    end
  end
  instance_eval(&@block) if @block
  self
end