Adding Gists to RefineryCMS-Blog

_post.html.erb

<%-# This is the default way the file puts post content on the page. %>
<%= @post.body.html_safe %>

<%-# This is the replacement for that line. %>
<%= raw @post.body.html_safe.gsub(/\[gist:(\d+)(\,)(.+)\]/,"<script src='https://gist.github.com/\\1.js?file=\\3'></script>") %>

override.sh

rake refinery:override view=refinery/blog/posts/_post.html.erb

refinery_gist_tag_format.txt

[gist:2645606,override.sh]