From b42875c294c49b5d294e32a4c271eeee37300ee1 Mon Sep 17 00:00:00 2001
From: Ben Brown <ben@demerara.io>
Date: Wed, 25 Feb 2026 19:40:46 +0000
Subject: [PATCH] waybar: Avoid reload onChange when systemd integration is
 enabled

When systemd integration is enabled, systemd will handle the issuing of
`SIGUSR2` through `X-Reload-Triggers`.

All this would do is trigger multiple `SIGUSR2` signals, which can
exacerbate this upstream issue:
https://github.com/Alexays/Waybar/issues/3344#issuecomment-2390661508
---
 modules/programs/waybar.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/programs/waybar.nix b/modules/programs/waybar.nix
index 17c8bfbf..9af2b900 100644
--- a/modules/programs/waybar.nix
+++ b/modules/programs/waybar.nix
@@ -318,7 +318,7 @@ in
 
         xdg.configFile."waybar/config" = mkIf (settings != [ ]) {
           source = configSource;
-          onChange = ''
+          onChange = mkIf (!cfg.systemd.enable) ''
             ${pkgs.procps}/bin/pkill -u $USER -USR2 waybar || true
           '';
         };
@@ -329,7 +329,7 @@ in
               cfg.style
             else
               pkgs.writeText "waybar/style.css" cfg.style;
-          onChange = ''
+          onChange = mkIf (!cfg.systemd.enable) ''
             ${pkgs.procps}/bin/pkill -u $USER -USR2 waybar || true
           '';
         };