From 44a32b9c9f0af34ecd08b0adfe1cf24b2c9f6844 Mon Sep 17 00:00:00 2001
From: Christine Elisabeth Koppel <kuutruu@posteo.net>
Date: Tue, 3 Mar 2026 12:50:41 +0100
Subject: [PATCH] Fix broken bash script value edge-case

---
 nix-system-configs/modules/system/traefik.nix | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/nix-system-configs/modules/system/traefik.nix b/nix-system-configs/modules/system/traefik.nix
index cc41803..f7e763b 100644
--- a/nix-system-configs/modules/system/traefik.nix
+++ b/nix-system-configs/modules/system/traefik.nix
@@ -614,8 +614,11 @@ in {
         )
 
         # Try all the ip services for a valid IPv4 address
-        for service in $${IP_SERVICES[@]}; do
-          RAW_IP=$(${pkgs.curl}/bin/curl -s $service)
+        for service in "$${IP_SERVICES[@]}"; do
+          echo "Testing service: $service"
+          RAW_IP=$(curl -s "$service")
+          RAW_IP=$(echo "$RAW_IP" | tr -d '\n' | tr -d '\r' | xargs)
+          echo "RAW_IP: '$RAW_IP'"
           if [[ $RAW_IP =~ $REGEX_IPV4 ]]; then
             CURRENT_IP=$BASH_REMATCH
             ${pkgs.util-linux}/bin/logger -s "DDNS Updater: Fetched IP $CURRENT_IP"