From 7603efb2590468347e660c41e46a9bf1cca5bd62 Mon Sep 17 00:00:00 2001
From: "Matthieu Baerts (NGI0)" <matttbe@kernel.org>
Date: Wed, 27 Nov 2024 13:26:49 +0100
Subject: [PATCH] udhcpc: add default route if announced

If not, no need to run an invalid command.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
---
 virtme/guest/virtme-udhcpc-script | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/virtme/guest/virtme-udhcpc-script b/virtme/guest/virtme-udhcpc-script
index 8f75ce8..244f1a5 100755
--- a/virtme/guest/virtme-udhcpc-script
+++ b/virtme/guest/virtme-udhcpc-script
@@ -10,7 +10,9 @@ if [[ "$1" == "deconfig" ]]; then
     ip addr flush dev "$interface"
 elif [[ "$1" == "bound" ]]; then
     ip addr add "$ip/$mask" dev "$interface"
-    ip route add default via "$router" dev "$interface"
+    if [[ -n "$router" ]]; then
+        ip route add default via "$router" dev "$interface"
+    fi
     if [[ -n "$dns" ]]; then
 	# A lot of systems will have /etc/resolv.conf symlinked to
 	# /run/NetworkManager/something_or_other. Debian symlinks to /run/resolvconf.