/web/_plugins/jal.rb

module Jekyll
  class RepoTag < Liquid::Tag
    def initialize(tag_name, text, tokens)
      super
      @text = text
    end

    def render(context)
      "https://bitbucket.org/jlepak/csc-2012-spring/src/default/#{@text}"
    end
  end
  
  class RepoTagRaw < Liquid::Tag
    def initialize(tag_name, text, tokens)
      super
      @text = text
    end

    def render(context)
      "https://bitbucket.org/jlepak/csc-2012-spring/raw/default/#{@text}"
    end
  end
end

Liquid::Template.register_tag('repo', Jekyll::RepoTag)
Liquid::Template.register_tag('raw', Jekyll::RepoTagRaw)