From 4dd26c30c3aa16b4acd8dd11bfaa79ff87b16a01 Mon Sep 17 00:00:00 2001
From: Nivayu <nivalux@web.de>
Date: Tue, 20 Oct 2026 18:08:49 +0200
Subject: [PATCH] linuxPackages.hid-fanatecff: install module through
 modules_install

---
 .../linux/hid-fanatecff/default.nix           | 25 +++++++++++++------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/pkgs/os-specific/linux/hid-fanatecff/default.nix b/pkgs/os-specific/linux/hid-fanatecff/default.nix
index 9c0d96a9d906..d368e6954102 100644
--- a/pkgs/os-specific/linux/hid-fanatecff/default.nix
+++ b/pkgs/os-specific/linux/hid-fanatecff/default.nix
@@ -25,13 +25,12 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = kernel.moduleBuildDependencies;
 
+  postInstall = ''
+    install -Dm644 fanatec.rules \
+      "$out/lib/udev/rules.d/99-fanatec.rules"
+  '';
+
   postPatch = ''
-    mkdir -p $out/{lib/udev/rules.d,${moduleDir}}
-
-    sed -i '/depmod/d' Makefile
-    substituteInPlace Makefile \
-      --replace-fail '/etc/udev/rules.d' "$out/lib/udev/rules.d"
-
     substituteInPlace fanatec.rules \
       --replace-fail '/usr/bin/evdev-joystick' '${lib.getExe' linuxConsoleTools "evdev-joystick"}' \
       --replace-fail '/bin/sh' '${lib.getExe bashNonInteractive}'
@@ -40,11 +39,23 @@ stdenv.mkDerivation (finalAttrs: {
   makeFlags = kernelModuleMakeFlags ++ [
     "KVERSION=${kernel.modDirVersion}"
     "KERNEL_SRC=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
-    "MODULEDIR=$(out)/${moduleDir}"
+    "INSTALL_MOD_PATH=${placeholder "out"}"
+    "INSTALL_MOD_DIR=kernel/drivers/hid"
+  ];
+
+  installTargets = [ "modules_install" ];
+
+  installFlags = [
+    "-C"
+    "${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+    "M=$(PWD)"
   ];
 
   passthru.updateScript = nix-update-script { };
 
+  strictDeps = true;
+  __structuredAttrs = true;
+
   meta = {
     description = "Linux module driver for Fanatec driving wheels";
     homepage = "https://github.com/gotzl/hid-fanatecff";