From ec8c848106841c0e7900d7772025c99c30364d3f Mon Sep 17 00:00:00 2001
From: DL6ER <derigs@ph1.uni-koeln.de>
Date: Fri, 16 Dec 2016 12:53:00 +0100
Subject: [PATCH] Don't kill already existing setupVars.conf on update (and
 fresh install)

---
 automated install/basic-install.sh | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/automated install/basic-install.sh b/automated install/basic-install.sh
index 9464d03b..4744d7d5 100755
--- a/automated install/basic-install.sh	
+++ b/automated install/basic-install.sh	
@@ -872,10 +872,8 @@ configureFirewall() {
 }
 
 finalExports() {
-	#If it already exists, lets overwrite it with the new values.
-	if [[ -f ${setupVars} ]]; then
-		rm ${setupVars}
-	fi
+	# Update variables in setupVars.conf file
+	sed -i.update.bak '/PIHOLE_DOMAIN/d;/IPV4_ADDRESS/d;/IPV6_ADDRESS/d;/PIHOLE_DNS_1/d;/PIHOLE_DNS_2/d;/QUERY_LOGGING/d;' "${setupVars}"
     {
 	echo "PIHOLE_INTERFACE=${PIHOLE_INTERFACE}"
 	echo "IPV4_ADDRESS=${IPV4_ADDRESS}"