# File lib/s3/key.rb, line 204
    def refresh(head=true)
      new_key        = @bucket.key(self)
      @last_modified = new_key.last_modified
      @e_tag         = new_key.e_tag
      @size          = new_key.size
      @storage_class = new_key.storage_class
      @owner         = new_key.owner
      if @last_modified
        self.head
        true
      else
        @headers = @meta_headers = {}
        false
      end
    end