class Rake::Application

def load_imports # :nodoc:
  while fn = @pending_imports.shift
    next if @imported.member?(fn)
    fn_task = lookup(fn) and fn_task.invoke
    ext = File.extname(fn)
    loader = @loaders[ext] || @default_loader
    loader.load(fn)
    if fn_task = lookup(fn) and fn_task.needed?
      fn_task.reenable
      fn_task.invoke
      loader.load(fn)
    end
    @imported << fn
  end
end