From 41cbf0ba8e299d47457bcd992b163ca00061ef1a Mon Sep 17 00:00:00 2001
From: Tomasz Stanczak <tomasz@rtsoftware.com>
Date: Sat, 15 Feb 2025 20:31:58 +0100
Subject: [PATCH] Handle no existence of expired certificates before trying to
 move them into ssl.expired subdirectory (#2480)

Shell option 'nullglob' to prevent the following 'for' loop from being entered even when no matching files are present.
---
 tools/ssl_cleanup | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/ssl_cleanup b/tools/ssl_cleanup
index 5adfa1be..fd246eba 100755
--- a/tools/ssl_cleanup
+++ b/tools/ssl_cleanup
@@ -2,7 +2,7 @@
 # Cleanup SSL certificates which expired more than 7 days ago from $STORAGE_ROOT/ssl and move them to $STORAGE_ROOT/ssl.expired
 
 source /etc/mailinabox.conf
-shopt -s extglob
+shopt -s extglob nullglob
 
 retain_after="$(date --date="7 days ago" +%Y%m%d)"