From b4e5de4ba4666951e501a01e1d1483531ce32009 Mon Sep 17 00:00:00 2001
From: rnhmjoj <rnhmjoj@inventati.org>
Date: Sun, 4 Jun 2023 21:22:32 +0200
Subject: [PATCH] nixos/hardware/i2c: fix uaccess rule

---
 nixos/modules/hardware/i2c.nix | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/nixos/modules/hardware/i2c.nix b/nixos/modules/hardware/i2c.nix
index c0423cc5d997..9a5a2e44813e 100644
--- a/nixos/modules/hardware/i2c.nix
+++ b/nixos/modules/hardware/i2c.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -31,10 +31,14 @@ in
       i2c = { };
     };
 
-    services.udev.extraRules = ''
-      # allow group ${cfg.group} and users with a seat use of i2c devices
-      ACTION=="add", KERNEL=="i2c-[0-9]*", TAG+="uaccess", GROUP="${cfg.group}", MODE="660"
-    '';
+    services.udev.packages = lib.singleton (pkgs.writeTextFile
+      { name = "i2c-udev-rules";
+        text = ''
+          # allow group ${cfg.group} and users with a seat use of i2c devices
+          ACTION=="add", KERNEL=="i2c-[0-9]*", TAG+="uaccess", GROUP="${cfg.group}", MODE="660"
+        '';
+        destination = "/etc/udev/rules.d/70-i2c.rules";
+      });
 
   };