From 6eb837c54d707affba369d69e002fb6a5d9b6368 Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Sun, 14 Jun 2026 18:03:57 +0300
Subject: [PATCH 1/2] pizauth: use a global enableSystemd package flag

Makes overlays easier for systems such as [sixos][1] or [finix][2].

[1]: https://codeberg.org/amjoseph/sixos
[2]: https://github.com/finix-community/finix
---
 pkgs/by-name/pi/pizauth/package.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/pi/pizauth/package.nix b/pkgs/by-name/pi/pizauth/package.nix
index 1d0a5f9bb3cf..065dc042987a 100644
--- a/pkgs/by-name/pi/pizauth/package.nix
+++ b/pkgs/by-name/pi/pizauth/package.nix
@@ -4,6 +4,7 @@
   fetchFromGitHub,
   stdenv,
   nix-update-script,
+  enableSystemd ? stdenv.hostPlatform.isLinux,
 }:
 
 rustPlatform.buildRustPackage (finalAttrs: {
@@ -19,7 +20,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
 
   cargoHash = "sha256-pxzPcieUXE3VOyGNDaeDHUQPayRDZXpW57VWMejlZ4k=";
 
-  buildFeatures = lib.optionals stdenv.hostPlatform.isLinux [
+  buildFeatures = lib.optionals enableSystemd [
     "systemd"
   ];
 
@@ -29,7 +30,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
   '';
 
   postInstall = ''
-    make PREFIX=$out install ${lib.optionalString stdenv.hostPlatform.isLinux "install-systemd"}
+    make PREFIX=$out install ${lib.optionalString enableSystemd "install-systemd"}
   '';
 
   passthru.updateScript = nix-update-script { extraArgs = [ "--version-regex=pizauth-(.*)" ]; };

From 583024221d3a8e5f0648c0e834328b2836d2aed0 Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Sun, 14 Jun 2026 18:14:51 +0300
Subject: [PATCH 2/2] pizauth: fix systemd feature

Although we had `systemd` included in `buildFeatures`, it didn't reach
`$out/bin/pizauth`, because upstream's Makefile used
`target/release/pizauth` as a Makefile target that `cargo build
--release` (with or without `--features=systemd`) solves.
---
 pkgs/by-name/pi/pizauth/package.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/by-name/pi/pizauth/package.nix b/pkgs/by-name/pi/pizauth/package.nix
index 065dc042987a..a23a84d38ffb 100644
--- a/pkgs/by-name/pi/pizauth/package.nix
+++ b/pkgs/by-name/pi/pizauth/package.nix
@@ -27,6 +27,14 @@ rustPlatform.buildRustPackage (finalAttrs: {
   preConfigure = ''
     substituteInPlace lib/systemd/user/pizauth.service \
       --replace-fail /usr/bin/ ''${!outputBin}/bin/
+    # Upstream's Makefile uses target/release/pizauth as a Makefile target that
+    # the `install` target depends upon. Nixpkgs' cargoBuildHook defaults to
+    # using the explicit `--target @rustcTargetSpec@` flag, so that the
+    # executable always ends up in
+    # `target/${stdenv.hostPlatform.rust.rustcTargetSpec}/release`. To make the
+    # Makefile not run cargo build again, we use this substitution.
+    substituteInPlace Makefile \
+      --replace-fail target/release target/${stdenv.hostPlatform.rust.rustcTargetSpec}/release
   '';
 
   postInstall = ''