gistfile1.erb

<div id="disqus_thread"></div>
				<script type="text/javascript">
					
				    /* * * CONFIGURATION VARIABLES: THIS CODE IS ONLY AN EXAMPLE * * */
				    var disqus_shortname = 'polarionextensions'; // Required - Replace example with your forum shortname
				    // var disqus_identifier = 'a unique identifier for each page where Disqus is present';
				    // var disqus_title = 'a unique title for each page where Disqus is present';
				<% if @extension.community_url %>
				    var disqus_url = '<%= @extension.community_url %>';
				<% else %>
					
				<% end %>

				    /* * * DON'T EDIT BELOW THIS LINE * * */
				    (function() {
				        var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
				        dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
				        (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
				    })();
				</script>
			</div>