From 869bc11be2294c98dc4635a040a448ae00dbaf18 Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Tue, 9 Jun 2026 17:45:04 +0300
Subject: [PATCH] pizauth: fix systemd units substitutions

Should have been part of 4b0398fd2c8205ce10c81aef2f1b63cadd75241a.

(cherry picked from commit 49091d78a4df7a536c4aa0f385f7481833999db6)
---
 pkgs/by-name/pi/pizauth/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/pi/pizauth/package.nix b/pkgs/by-name/pi/pizauth/package.nix
index 953a3fe1932c..0af0150531aa 100644
--- a/pkgs/by-name/pi/pizauth/package.nix
+++ b/pkgs/by-name/pi/pizauth/package.nix
@@ -19,6 +19,11 @@ rustPlatform.buildRustPackage (finalAttrs: {
 
   cargoHash = "sha256-9cDVbDCb8vY6KxreyiMX3gp13bXZpxTQOwYbk6TEVpc=";
 
+  preConfigure = ''
+    substituteInPlace lib/systemd/user/pizauth.service \
+      --replace-fail /usr/bin/ ''${!outputBin}/bin/
+  '';
+
   postInstall = ''
     make PREFIX=$out install ${lib.optionalString stdenv.hostPlatform.isLinux "install-systemd"}
   '';