From 7b87a185a84f7b3ebfc56e37a1bce6fe92efd6f7 Mon Sep 17 00:00:00 2001
From: Jared Baur <jaredbaur@fastmail.com>
Date: Wed, 20 Nov 2024 20:06:59 -0800
Subject: [PATCH] nixos/clatd: use `clat-dev` if it exists in settings

Otherwise, fallback to the default interface name `clat`.
---
 nixos/modules/services/networking/clatd.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/services/networking/clatd.nix b/nixos/modules/services/networking/clatd.nix
index f58a1ca4f8a6..8c7f8e76feff 100644
--- a/nixos/modules/services/networking/clatd.nix
+++ b/nixos/modules/services/networking/clatd.nix
@@ -86,7 +86,7 @@ in
         type = "basic";
         # https://github.com/toreanderson/clatd/blob/master/scripts/clatd.networkmanager
         source = pkgs.writeShellScript "restart-clatd" ''
-          [ "$DEVICE_IFACE" = "clat" ] && exit 0
+          [ "$DEVICE_IFACE" = "${cfg.settings.clat-dev or "clat"}" ] && exit 0
           [ "$2" != "up" ] && [ "$2" != "down" ] && exit 0
           ${pkgs.systemd}/bin/systemctl restart clatd.service
         '';