From 67a0cd5f489c900d7dacdbc6396e3d6334f95a7e Mon Sep 17 00:00:00 2001
From: Jeremy Lecour <jlecour@evolix.fr>
Date: Thu, 20 Sep 2018 15:24:09 +0200
Subject: [PATCH] =?UTF-8?q?protection=20contre=20les=20variables=20non=20a?=
 =?UTF-8?q?ssign=C3=A9es?=
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---
 evomaintenance.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/evomaintenance.sh b/evomaintenance.sh
index 420f4b5..93a9c66 100644
--- a/evomaintenance.sh
+++ b/evomaintenance.sh
@@ -7,6 +7,9 @@
 # version 0.3
 # Copyright 2007-2018 Gregory Colpart <reg@evolix.fr>, Jérémy Lecour <jlecour@evolix.fr>, Evolix <info@evolix.fr>
 
+# Treat unset variables as an error when substituting.
+set -u
+
 test -f /etc/evomaintenance.cf && . /etc/evomaintenance.cf
 
 [ -n "${HOSTNAME}" ]          || HOSTNAME=$(hostname)