From 826b5f715e96f11d4ba5c64d29af864148e4e34d Mon Sep 17 00:00:00 2001
From: Bert Driehuis <driehuis@playbeing.org>
Date: Fri, 19 Jan 2018 01:08:35 +0100
Subject: [PATCH] Add option to strip EXIF profiles

---
 README.md                                     | 5 +++++
 lib/jekyll-responsive-image/config.rb         | 3 ++-
 lib/jekyll-responsive-image/resize_handler.rb | 3 +++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 07cc999..0741736 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,11 @@ responsive_image:
   # working with JPGs directly from digital cameras and smartphones
   auto_rotate: false
 
+  # [Optional, Default: false]
+  # Strip EXIF and other JPEG profiles. Helps to minimize JPEG size and win friends
+  # at Google PageSpeed.
+  strip: false
+
   # [Optional, Default: assets]
   # The base directory where assets are stored. This is used to determine the
   # `dirname` value in `output_path_format` below.
diff --git a/lib/jekyll-responsive-image/config.rb b/lib/jekyll-responsive-image/config.rb
index 7d4f368..3880abd 100644
--- a/lib/jekyll-responsive-image/config.rb
+++ b/lib/jekyll-responsive-image/config.rb
@@ -9,7 +9,8 @@ module Jekyll
         'extra_images'       => [],
         'auto_rotate'        => false,
         'save_to_source'     => true,
-        'cache'              => false
+        'cache'              => false,
+        'strip'              => false
       }
 
       def initialize(site)
diff --git a/lib/jekyll-responsive-image/resize_handler.rb b/lib/jekyll-responsive-image/resize_handler.rb
index bc86b68..9f9f5bc 100644
--- a/lib/jekyll-responsive-image/resize_handler.rb
+++ b/lib/jekyll-responsive-image/resize_handler.rb
@@ -36,6 +36,9 @@ module Jekyll
 
           Jekyll.logger.info "Generating #{target_filepath}"
 
+          if config['strip']
+            img.strip!
+          end
           i = img.scale(ratio)
           i.write(target_filepath) do |f|
             f.interlace = i.interlace