From 5f4f6176893892c2a9e4cd29320f9d27709883f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9gis=20Hanol?= <regis@hanol.fr>
Date: Thu, 18 Jan 2018 17:00:04 +0100
Subject: [PATCH] FIX: cache_file storage cleanup logic was wrong

https://meta.discourse.org/t/68296
---
 lib/file_store/base_store.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/file_store/base_store.rb b/lib/file_store/base_store.rb
index f30882d4d6e..aa602c2c79b 100644
--- a/lib/file_store/base_store.rb
+++ b/lib/file_store/base_store.rb
@@ -131,7 +131,7 @@ module FileStore
       FileUtils.mkdir_p(dir) unless Dir[dir].present?
       FileUtils.cp(file.path, path)
       # keep latest 500 files
-      `ls -tr #{CACHE_DIR} | head -n +#{CACHE_MAXIMUM_SIZE} | xargs rm -f`
+      `ls -tr #{CACHE_DIR} | head -n -#{CACHE_MAXIMUM_SIZE} | xargs rm -f`
     end
 
     private