Install Gist on Rails Turbolinks.html

<!-- start Gist JS code-->
<script>
(function(){
  var loadEvent = 'turbolinks:load';
  var unloadEvent = 'turbolinks:before-visit';
  var loadHandler = function() {
    document.removeEventListener(loadEvent, loadHandler);
    document.addEventListener(unloadEvent, unloadHandler);
    setTimeout(function () {
      // Replace WORKSPACE_ID text with your Workspace ID
      gist.setAppId("WORKSPACE_ID");
      gist.trackPageView();
    }, 500);
  };
  var unloadHandler = function() {
    document.removeEventListener(unloadEvent, unloadHandler);
    delete (window.gist);
  };
  document.addEventListener(loadEvent, loadHandler);
  setTimeout(function() {
    (function(d,h,w){var gist=w.gist=w.gist||[];gist.methods=['trackPageView','identify','track','setAppId'];gist.factory=function(t){return function(){var e=Array.prototype.slice.call(arguments);e.unshift(t);gist.push(e);return gist;}};for(var i=0;i<gist.methods.length;i++){var c=gist.methods[i];gist[c]=gist.factory(c)}s=d.createElement('script'),s.src="https://widget.getgist.com",s.async=!0,e=d.getElementsByTagName(h)[0],e.appendChild(s),s.addEventListener('load',function(e){},!1)})(document,'head',window);
  }, 1);
})();
</script>
<!-- end Gist JS code-->