From f94b0615c1b0c1000c31cd64b373dae85f0f4893 Mon Sep 17 00:00:00 2001
From: "M.Shibuya" <mit.shibuya@gmail.com>
Date: Wed, 22 May 2019 16:05:51 +0900
Subject: [PATCH] Fix #exists? returning true after Fog file deletion

Fixes #2387, Refs. bffbaaf3b5892caa96ad875a8c1655564d17ce1c
---
 lib/carrierwave/storage/fog.rb | 4 +++-
 spec/storage/fog_helper.rb     | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/carrierwave/storage/fog.rb b/lib/carrierwave/storage/fog.rb
index fb893ec14..acb1b58e9 100644
--- a/lib/carrierwave/storage/fog.rb
+++ b/lib/carrierwave/storage/fog.rb
@@ -242,7 +242,9 @@ def content_type=(new_content_type)
         #
         def delete
           # avoid a get by just using local reference
-          directory.files.new(:key => path).destroy
+          directory.files.new(:key => path).destroy.tap do |result|
+            @file = nil if result
+          end
         end
 
         ##
diff --git a/spec/storage/fog_helper.rb b/spec/storage/fog_helper.rb
index a24854c02..2df3f82f4 100644
--- a/spec/storage/fog_helper.rb
+++ b/spec/storage/fog_helper.rb
@@ -258,6 +258,10 @@ class FogSpec#{fog_credentials[:provider]}Uploader < CarrierWave::Uploader::Base
             it "should not return false for content type" do
               expect(@fog_file.content_type).not_to be false
             end
+
+            it "should let #exists? be false" do
+              expect(@fog_file.exists?).to be false
+            end
           end
         end