From a9d48dc2517d2760049220c3b9c02a3cef362d92 Mon Sep 17 00:00:00 2001
From: Kilian Cavalotti <kilian@stanford.edu>
Date: Fri, 27 Jul 2018 14:20:00 -0700
Subject: [PATCH] hardeths: only add GATEWAY in /etc/sysconfig/network if it's
 not already there. Replace it otherwise.

---
 xCAT/postscripts/hardeths | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/xCAT/postscripts/hardeths b/xCAT/postscripts/hardeths
index 46765f673..f5d13cde8 100755
--- a/xCAT/postscripts/hardeths
+++ b/xCAT/postscripts/hardeths
@@ -73,7 +73,9 @@ else
         sed -i "s/HOSTNAME.*/HOSTNAME=`hostname`/" /etc/sysconfig/network
     fi
     if [ ! -z "$defgw" ]; then
-        echo "GATEWAY=$defgw" >> /etc/sysconfig/network
+        grep -qw GATEWAY /etc/sysconfig/network && \
+            sed -i "s/^GATEWAY.*/GATEWAY=$defgw/" /etc/sysconfig/network || \
+            echo "GATEWAY=$defgw" >> /etc/sysconfig/network
     fi
 fi