# File lib/pry/command_set.rb, line 241
    def rename_command(new_match, search, options={})
      cmd = find_command_by_match_or_listing(search)

      options = {
        :listing     => new_match,
        :description => cmd.description
      }.merge!(options)

      @commands[new_match] = cmd.dup
      @commands[new_match].match = new_match
      @commands[new_match].description = options.delete(:description)
      @commands[new_match].options.merge!(options)
      @commands.delete(cmd.match)
    end