From ce1890edc354f1f887bb90ff6dd10c2e9f48f04c Mon Sep 17 00:00:00 2001
From: Thaddee Tyl <thaddee.tyl@gmail.com>
Date: Tue, 8 Sep 2015 17:03:36 +0200
Subject: [PATCH] Allow setting the analytics file

---
 server.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/server.js b/server.js
index 13afa96..5203e20 100644
--- a/server.js
+++ b/server.js
@@ -31,20 +31,20 @@ var logos = loadLogos();
 
 // Analytics
 
+// We can either use a process-wide object regularly saved to a JSON file,
+// or a Redis equivalent (for multi-process / when the filesystem is unreliable.
 var redis;
-// Use Redis by default.
-var useRedis = true;
+var useRedis = false;
 if (process.env.REDISTOGO_URL) {
   var redisToGo = require('url').parse(process.env.REDISTOGO_URL);
   redis = require('redis').createClient(redisToGo.port, redisToGo.hostname);
   redis.auth(redisToGo.auth.split(':')[1]);
-} else {
-  useRedis = false;
+  useRedis = true;
 }
 
 var analytics = {};
 
-var analyticsAutoSaveFileName = './analytics.json';
+var analyticsAutoSaveFileName = process.env.SHIELDS_ANALYTICS_FILE || './analytics.json';
 var analyticsAutoSavePeriod = 10000;
 setInterval(function analyticsAutoSave() {
   if (useRedis) {