# File lib/heroku/commands/keys.rb, line 3
    def list
      long = args.any? { |a| a == '--long' }
      keys = heroku.keys
      if keys.empty?
        display "No keys for #{heroku.user}"
      else
        display "=== #{keys.size} key#{'s' if keys.size > 1} for #{heroku.user}"
        keys.each do |key|
          display long ? key.strip : format_key_for_display(key)
        end
      end
    end