From ac3c9c7de61d2ae4533df5a43d251c88672e1340 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torjus=20H=C3=A5kestad?= <torjus@usit.uio.no>
Date: Sat, 7 Feb 2026 06:06:47 +0100
Subject: [PATCH] fix: prevent listener service from restarting during
 deployment

Add stopIfChanged and restartIfChanged options to prevent the listener
from being interrupted when nixos-rebuild switch activates a new
configuration that changes the service definition.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 nixos/module.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nixos/module.nix b/nixos/module.nix
index efdd1a2..d17a68e 100644
--- a/nixos/module.nix
+++ b/nixos/module.nix
@@ -103,6 +103,11 @@ in
       after = [ "network-online.target" ];
       wants = [ "network-online.target" ];
 
+      # Prevent self-interruption during nixos-rebuild switch
+      # The service will continue running the old version until manually restarted
+      stopIfChanged = false;
+      restartIfChanged = false;
+
       environment = cfg.environment // {
         # Nix needs a writable cache for git flake fetching
         XDG_CACHE_HOME = "/var/cache/homelab-deploy";