From 4a383408d790e1a5cee10adf97965d5e1c67a37c Mon Sep 17 00:00:00 2001
From: Giuseppe Attardi <giuseppe.attardi@garr.it>
Date: Fri, 19 Jan 2018 11:34:47 +0100
Subject: [PATCH] Update install

---
 hooks/install | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/hooks/install b/hooks/install
index fc11be1..1a33133 100644
--- a/hooks/install
+++ b/hooks/install
@@ -25,20 +25,19 @@ apt install -y sipcalc
 
 GATEWAY_NET=`sipcalc $GATEWAY | grep "Network address" | awk '{print $4}'`
 
-old_IFS=$IFS
 IFS=$'\n'
-LINE=0
+FOUND=0
 for INTERFACE in $(grep address /etc/network/interfaces); 
 do
 	ADDRESS=`echo $INTERFACE | awk '{ print $3}'`
 	ADDRESS_NET=`sipcalc $ADDRESS | grep "Network address" | awk '{print $4}'`
 	if [ "$ADDRESS_NET" == "$GATEWAY_NET" ]; then
-		LINE=`address'`
+		LINE=1
 	fi
 done
-IFS=$old_IFS
+unset IFS
 
-if [ "$LINE" -gt 0 ]; then
+if [ "$FOUND" -gt 0 ]; then
 	juju-log "Default gateway $GATEWAY_IP is setting..."
 	sed -i "/address/i\  gateway $GATEWAY_IP" /etc/network/interfaces
 	if [ ! -z "$OLD_GATEWAY_IP" ]; then
-- 
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