From c5a7bce5570d913596325f8fae4852aea31898a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9gis=20Hanol?= <regis@hanol.fr>
Date: Mon, 22 Dec 2014 12:56:19 +0100
Subject: [PATCH] FIX: only create animated thumbnails for GIFs

---
 app/models/optimized_image.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/optimized_image.rb b/app/models/optimized_image.rb
index 08ec00945..b49a2e990 100644
--- a/app/models/optimized_image.rb
+++ b/app/models/optimized_image.rb
@@ -80,7 +80,7 @@ class OptimizedImage < ActiveRecord::Base
 
   def self.resize(from, to, width, height, allow_animation=false)
     # NOTE: ORDER is important!
-    instructions = if allow_animation
+    instructions = if allow_animation && from =~ /\.GIF$/i
       %W{
         #{from}
         -coalesce