From d5151186aca3d706be73b02f47cff574cb91c641 Mon Sep 17 00:00:00 2001
From: Gabriel Fontes <eu@misterio.me>
Date: Thu, 19 Aug 2021 00:31:11 -0300
Subject: [PATCH] waybar: add onChange configuration reload

---
 modules/programs/waybar.nix | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/modules/programs/waybar.nix b/modules/programs/waybar.nix
index 207d311cd..52edf876e 100644
--- a/modules/programs/waybar.nix
+++ b/modules/programs/waybar.nix
@@ -366,11 +366,21 @@ in {
       # Generate warnings about defined but unreferenced modules
       inherit warnings;
 
-      xdg.configFile."waybar/config".source = configSource;
+      xdg.configFile."waybar/config" = {
+        source = configSource;
+        onChange = ''
+          ${pkgs.procps}/bin/pkill -u $USER -USR2 waybar || true
+        '';
+      };
     })
 
     (mkIf (cfg.style != null) {
-      xdg.configFile."waybar/style.css".text = cfg.style;
+      xdg.configFile."waybar/style.css" = {
+        text = cfg.style;
+        onChange = ''
+          ${pkgs.procps}/bin/pkill -u $USER -USR2 waybar || true
+        '';
+      };
     })
 
     (mkIf cfg.systemd.enable {