From 493b704080cf302bce6567ed1ece90884dda0f10 Mon Sep 17 00:00:00 2001
From: Mostafa Khaled <m.khaled.dev@gmail.com>
Date: Fri, 20 Jun 2025 18:55:34 +0300
Subject: [PATCH] gtklock-powerbar-module: Fix systemctl command paths

Replace hardcoded "systemctl" commands with full store paths to ensure
the module works correctly in NixOS environments.
---
 pkgs/by-name/gt/gtklock-powerbar-module/package.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pkgs/by-name/gt/gtklock-powerbar-module/package.nix b/pkgs/by-name/gt/gtklock-powerbar-module/package.nix
index 9be823146038..db251f1a0293 100644
--- a/pkgs/by-name/gt/gtklock-powerbar-module/package.nix
+++ b/pkgs/by-name/gt/gtklock-powerbar-module/package.nix
@@ -7,6 +7,7 @@
   pkg-config,
   gtk3,
   gtklock,
+  systemd,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -28,6 +29,17 @@ stdenv.mkDerivation (finalAttrs: {
 
   buildInputs = [ gtk3 ];
 
+  postPatch =
+    let
+      systemctl = lib.getExe' systemd "systemctl";
+    in
+    ''
+      substituteInPlace source.c \
+        --replace-fail '"systemctl reboot"' '"${systemctl} reboot"' \
+        --replace-fail '"systemctl -i poweroff"' '"${systemctl} -i poweroff"' \
+        --replace-fail '"systemctl suspend"' '"${systemctl} suspend"'
+    '';
+
   passthru.tests.testModule = gtklock.testModule finalAttrs.finalPackage;
 
   meta = {