Developer credits
Git commits in Moodle 3.8.x by Colin Campbell
commit b4779307a2dc65a12c17205dbbc7e43efc2b99f7 Author: Colin Campbell <colin@umn.edu> Date: Thu, 10 Oct 2019 09:38:25 +0800 Tag: v3.8.2 MDL-52189 file: skip deleting temp files that appear during cleanup