A simple liquid template for embedding GitHub gists on a Jekyll page

gist-embed.rb

module Jekyll
  class EmbedGist < Liquid::Tag

    def initialize(tag_name, url, tokens)
      super
      # remove spaces from string:
      @url = url.gsub!(/\s+/, '')
    end

    def render(context)
      "<script src=\"#{@url}.js\"></script>"
    end
  end
end

Liquid::Template.register_tag('gist', Jekyll::EmbedGist)