From 7872f68a45145b713971bab9af6cc56860a8fbf6 Mon Sep 17 00:00:00 2001
From: DL6ER <derigs@ph1.uni-koeln.de>
Date: Fri, 16 Dec 2016 13:13:35 +0100
Subject: [PATCH] Only try to remove parts inthe file if the file already
 exists

---
 automated install/basic-install.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/automated install/basic-install.sh b/automated install/basic-install.sh
index 4744d7d5..0e82cb31 100755
--- a/automated install/basic-install.sh	
+++ b/automated install/basic-install.sh	
@@ -873,7 +873,9 @@ configureFirewall() {
 
 finalExports() {
 	# Update variables in setupVars.conf file
-	sed -i.update.bak '/PIHOLE_DOMAIN/d;/IPV4_ADDRESS/d;/IPV6_ADDRESS/d;/PIHOLE_DNS_1/d;/PIHOLE_DNS_2/d;/QUERY_LOGGING/d;' "${setupVars}"
+	if [ -e "${setupVars}" ]; then
+		sed -i.update.bak '/PIHOLE_DOMAIN/d;/IPV4_ADDRESS/d;/IPV6_ADDRESS/d;/PIHOLE_DNS_1/d;/PIHOLE_DNS_2/d;/QUERY_LOGGING/d;' "${setupVars}"
+	fi
     {
 	echo "PIHOLE_INTERFACE=${PIHOLE_INTERFACE}"
 	echo "IPV4_ADDRESS=${IPV4_ADDRESS}"