From 4d94e56a0a82905cb72d5ffeaa4802707b081c8e Mon Sep 17 00:00:00 2001
From: Markus Zolliker <markus.zolliker@psi.ch>
Date: Thu, 10 Jul 2025 15:30:16 +0200
Subject: [PATCH] fix sethostname script

---
 sethostname.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sethostname.sh b/sethostname.sh
index 3e237d1..b79f7e4 100644
--- a/sethostname.sh
+++ b/sethostname.sh
@@ -1,8 +1,11 @@
-if [[ -f /sys/class/net/eth0/address ]]; then
+if [[ -f /sys/class/net/end0/address ]]; then
   ETHNAME=$(cat /sys/class/net/end0/address)
   BASED=end0
 else
   ETHNAME=$(cat /sys/class/net/eth0/address)
+  if [[ -z "$ETHNAME" ]]; then
+    ETHNAME=undefined
+  fi
   BASED=eth0
 fi
 FOUND=($(grep -l -r MAC=$ETHNAME /home/l_samenv/boxtools/cfg))