Trace back home or user timeline

trace.rb

# encoding: UTF-8
Earthquake.once do
  module TwitterOAuth
    class Client
      def list_statuses(user, list, **options)
        options = URI.encode_www_form(options)
        get("/lists/statuses.json?slug=#{list}&owner_screen_name=#{user}&#{options}")
      end
    end
  end
end

Earthquake.init do
  tracer = ->(timeline_method, *args, **options) do
    loop do
      tweets = twitter.__send__(timeline_method, *args, options)
      break if tweets.empty?
      options.update(max_id: tweets.last["id"].pred)
      puts_items tweets.reverse
      break unless confirm("continue?", :y)
    end
  end

  command :trace do
    tracer[:home_timeline]
  end

  command :trace do |m|
    user, list = m[1].split(?/)
    user.delete!(?@)
    if list
      tracer[:list_statuses, user, list]
    else
      tracer[:user_timeline, screen_name: user]
    end
  end

  help :trace, "trace back home or user timeline", <<-HELP
    ⚡ :trace
    (home timeline in reverse order)
    continue? [Yn] n
    ⚡ :trace no6v
    (no6v's timeline in reverse order)
    continue? [Yn]
    (subsequent no6v's timeline)
    continue? [Yn] n
    ⚡
  HELP
end