From b16b103639407f1e9f4d04087a5c9f27bfd293ec Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Mon, 17 Aug 2020 14:34:00 +0200
Subject: [PATCH] * Univention: fix not running async jobs because of old
 overlay storage driver

---
 doc/docker/fpm/entrypoint.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/doc/docker/fpm/entrypoint.sh b/doc/docker/fpm/entrypoint.sh
index aec7ac69ad..0968b54429 100755
--- a/doc/docker/fpm/entrypoint.sh
+++ b/doc/docker/fpm/entrypoint.sh
@@ -67,6 +67,14 @@ done 2>&1 | tee -a $LOG
 # as we can NOT exit from until (runs a subshell), we need to check and do it here
 [ "$(tail -1 $LOG)" = "Installing of EGroupware failed!" ] && exit 1
 
+# fix cron entries in case docker uses "overlay" storage driver (eg. Univention 4.4)
+# cron does NOT executing scripts with "NUMBER OF HARD LINKS > 1"
+for f in /etc/crontab /etc/cron.*/*; do
+  [ $(ls -l $f | cut -d' ' -f2) -gt 1 ] && {
+    mv $f /tmp
+    cat /tmp/$(basename $f) > $f
+  }
+done
 # to run async jobs
 service cron start