From 0dfc91f9483b0cee6f83bf4868eb0029e68b7748 Mon Sep 17 00:00:00 2001
From: jomo <github@jomo.tv>
Date: Sun, 4 Jan 2015 04:32:59 +0100
Subject: [PATCH] don't send etag on error, improves #48

---
 routes/avatars.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/routes/avatars.js b/routes/avatars.js
index 1257886..3f54501 100644
--- a/routes/avatars.js
+++ b/routes/avatars.js
@@ -49,7 +49,7 @@ module.exports = function(req, res) {
       if (err) {
         logging.error(uuid + " " + err);
       }
-      etag = hash && hash.substr(0, 32) || "none";
+      etag = !err && hash && hash.substr(0, 32) || "none";
       var matches = req.headers["if-none-match"] == '"' + etag + '"';
       if (image) {
         var http_status = 200;