From 97feace55a9b43a55dd08d51ac995ba2a8d104d0 Mon Sep 17 00:00:00 2001
From: Matthew Holloway <matthew@staff.ietf.org>
Date: Wed, 2 Apr 2025 16:02:30 +1300
Subject: [PATCH] chore: libreoffice flags for resilience

---
 ietf/settings.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ietf/settings.py b/ietf/settings.py
index 1fe5f48229..33a2f976d9 100644
--- a/ietf/settings.py
+++ b/ietf/settings.py
@@ -1103,7 +1103,12 @@ def skip_unreadable_post(record):
 
 DATATRACKER_MAX_UPLOAD_SIZE = 40960000
 PPT2PDF_COMMAND = [
-    "/usr/bin/soffice", "--headless", "--convert-to", "pdf:writer_globaldocument_pdf_Export", "--outdir"
+    "/usr/bin/soffice",
+    "--headless", # no GUI
+    "--safe-mode", # use a new libreoffice profile every time (ensures no reliance on accumulated profile config)
+    "--norestore", # don't attempt to restore files after a previous crash (ensures that one crash won't block future conversions until UI intervention)
+    "--convert-to", "pdf:writer_globaldocument_pdf_Export",
+    "--outdir"
 ]
 
 STATS_REGISTRATION_ATTENDEES_JSON_URL = 'https://registration.ietf.org/{number}/attendees/'