# File lib/heroku/commands/config.rb, line 10
    def add
      unless args.size > 0 and args.all? { |a| a.include?('=') }
        raise CommandFailed, "Usage: heroku config:add <key>=<value> [<key2>=<value2> ...]"
      end

      vars = args.inject({}) do |vars, arg|
        key, value = arg.split('=', 2)
        vars[key] = value
        vars
      end

      display "Adding config vars:"
      display_vars(vars, :indent => 2)

      display "Restarting app...", false
      heroku.add_config_vars(app, vars)
      display "done."
    end