From 8ac72824e12ea90a15da3f79b5d559c4de827ec8 Mon Sep 17 00:00:00 2001
From: Marina Glancy <marina@moodle.com>
Date: Wed, 29 Apr 2015 10:09:03 +0800
Subject: [PATCH] MDL-49995 files: delete old file when overwriting

---
 lib/filestorage/stored_file.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/filestorage/stored_file.php b/lib/filestorage/stored_file.php
index e1c3e738d09..aec547d3cfe 100644
--- a/lib/filestorage/stored_file.php
+++ b/lib/filestorage/stored_file.php
@@ -297,7 +297,9 @@ class stored_file {
         $filerecord->filesize = $newfile->get_filesize();
         $filerecord->referencefileid = $newfile->get_referencefileid();
         $filerecord->userid = $newfile->get_userid();
+        $oldcontenthash = $this->get_contenthash();
         $this->update($filerecord);
+        $this->filesystem->remove_file($oldcontenthash);
     }
 
     /**