    # File lib/rbot/core/userdata.rb, line 168
      def event_botuser(action, opts={})
        case action
        when :copy, :rename
          source = opts[:source]
          return unless @botuser.key?(source)
          dest = opts[:dest]
          @botuser[dest] = @botuser[source].dup
          @botuser.delete(source) if action == :rename
        when :pre_perm
          @permification ||= {}
          k = [opts[:irc_user], opts[:bot_user]]
          @permification[k] = get_data_hash(opts[:irc_user], :plain => true)
        when :post_perm
          @permification ||= {}
          k = [opts[:irc_user], opts[:bot_user]]
          if @permification.has_key?(k)
            @botuser[opts[:bot_user]] = @permification[k]
            @permification.delete(k)
          end
        end
      end