From a0896ae4bf985ec69b8cbc0dd0099a9c188be760 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Sat, 27 Jul 2019 04:41:55 +0200
Subject: [PATCH] Remove timestamps from converted images to make them
 deterministic (#11408)

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

diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index 30d9a98512..b1c5589478 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -113,7 +113,7 @@ class MediaAttachment < ApplicationRecord
   has_attached_file :file,
                     styles: ->(f) { file_styles f },
                     processors: ->(f) { file_processors f },
-                    convert_options: { all: '-quality 90 -strip' }
+                    convert_options: { all: '-quality 90 -strip +set modify-date +set create-date' }
 
   validates_attachment_content_type :file, content_type: IMAGE_MIME_TYPES + VIDEO_MIME_TYPES + AUDIO_MIME_TYPES
   validates_attachment_size :file, less_than: IMAGE_LIMIT, unless: :larger_media_format?