Disable libvips image caching

We need to do so because we're writing back the converted image to original path, this is incompatible with caching. https://github.com/carrierwaveuploader/carrierwave/pull/2500/files#diff-4869e78ddf0b4b710715e110a80ba9e64ace96ca93ca43300e57f927dcfd52a4R304
carrierwaveuploader · Feb 22, 2021 · e842197 · e842197
1 parent f23e9aa
commit e842197
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diff --git a/lib/carrierwave/processing/vips.rb b/lib/carrierwave/processing/vips.rb
@@ -57,6 +57,8 @@ module Vips
 
     included do
       require "image_processing/vips"
+      # We need to disable caching since we're editing images in place.
+      ::Vips.cache_set_max(0)
     end
 
     module ClassMethods

diff --git a/spec/processing/vips_spec.rb b/spec/processing/vips_spec.rb
@@ -106,7 +106,7 @@
     end
 
     it "doesn't pad with transparent" do
-      instance.resize_and_pad(200, 200)
+      instance.resize_and_pad(200, 200, [255, 255, 255])
       instance.convert('png')
 
       color_of_pixel(instance.current_path, 0, 0).tap do |color|