From 5a6645c922a68ba4f56db5d0082cdc58bb1ac746 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Sat, 14 Jul 2018 03:56:52 +0200
Subject: [PATCH] Fix static GIFs being saved as empty files when using local
 storage (#8012)

Fix #7997
Fix #6237
---
 lib/paperclip/gif_transcoder.rb | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/lib/paperclip/gif_transcoder.rb b/lib/paperclip/gif_transcoder.rb
index 62787983c..cbab6fd99 100644
--- a/lib/paperclip/gif_transcoder.rb
+++ b/lib/paperclip/gif_transcoder.rb
@@ -5,14 +5,7 @@ module Paperclip
   # to convert animated gifs to webm
   class GifTranscoder < Paperclip::Processor
     def make
-      num_frames = identify('-format %n :file', file: file.path).to_i
-
-      unless options[:style] == :original && num_frames > 1
-        tmp_file = Paperclip::TempfileFactory.new.generate(attachment.instance.file_file_name)
-        tmp_file << file.read
-        tmp_file.flush
-        return tmp_file
-      end
+      return File.open(@file.path) unless needs_convert?
 
       final_file = Paperclip::Transcoder.make(file, options, attachment)
 
@@ -22,5 +15,12 @@ module Paperclip
 
       final_file
     end
+
+    private
+
+    def needs_convert?
+      num_frames = identify('-format %n :file', file: file.path).to_i
+      options[:style] == :original && num_frames > 1
+    end
   end
 end