From a0fc8bd924e4c8045d08b7534df12465c7f5b8de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9gis=20Hanol?= <regis@hanol.fr>
Date: Fri, 17 Nov 2017 15:38:26 +0100
Subject: [PATCH] don't log 404s to gravatar.com

---
 lib/final_destination.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/final_destination.rb b/lib/final_destination.rb
index ed821d2465d..84890fe00ba 100644
--- a/lib/final_destination.rb
+++ b/lib/final_destination.rb
@@ -253,6 +253,9 @@ class FinalDestination
   end
 
   def log(log_level, message)
+    # blacklist 404 on gravatar.com
+    return if @status_code = 404 && @uri.hostname["gravatar.com"]
+
     Rails.logger.public_send(
       log_level,
       "#{RailsMultisite::ConnectionManagement.current_db}: #{message}"