An Octopress / Jekyll plugin to provide a tag that automatically generates a bit.ly short-link for the current page in reference.

bitly.rb

## 
## @author Jacky Alcine <me@jalcine.me>
## @see [TODO: Add URL to post about bit.ly URLs.]
##
## Add in Bit.ly URL support to pages.

require "bitly"

# Ensure use of new API.
Bitly.use_api_version_3

module Jekyll
  module Bitly
    module Methods
      private
      def _config (option)
        Jekyll.configuration({})["bitly_#{option}"]
      end
      
      public
      def api_obj
        login    = _config("login")
        api_key  = _config("api_key")
        ::Bitly.new login, api_key 
      end
    end
    
    class ShortenTag < Liquid::Tag
      include Jekyll::Bitly::Methods

      def initialize (tag_name, text, tokens)
        @bitly = api_obj
        @link = text
        super
      end

      def render (context)
        @bitly.shorten(@link).short_url
      end
    end
  end
end

Liquid::Template.register_tag('bitly_shorten', Jekyll::Bitly::ShortenTag)

example_config.yml

bitly_api_key: FOOO
bitly_login: BARRR

example_liquid.rb

<a href="{% bitly_shorten page.url %}">short link</a>