From 07abb75bd618089f09732b74671c0fc46ac26356 Mon Sep 17 00:00:00 2001
From: Nydragon <contact@ccnlc.eu>
Date: Tue, 10 Dec 2024 15:22:46 +0100
Subject: [PATCH] feat: add udev rule to properly initialize apple superdrive

---
 modules/default.nix          |  1 +
 modules/services/default.nix |  3 +++
 modules/services/udev.nix    | 22 ++++++++++++++++++++++
 parts/lib/functions.nix      |  3 +++
 4 files changed, 29 insertions(+)
 create mode 100644 modules/services/default.nix
 create mode 100644 modules/services/udev.nix

diff --git a/modules/default.nix b/modules/default.nix
index 54cd6fa..d8f5059 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -6,6 +6,7 @@
     ./fonts.nix
     ./portals.nix
     ./env.nix
+    ./services
 
     ./system/printing.nix
     ./system/audio.nix
diff --git a/modules/services/default.nix b/modules/services/default.nix
new file mode 100644
index 0000000..da81259
--- /dev/null
+++ b/modules/services/default.nix
@@ -0,0 +1,3 @@
+{
+  imports = [ ./udev.nix ];
+}
diff --git a/modules/services/udev.nix b/modules/services/udev.nix
new file mode 100644
index 0000000..662685d
--- /dev/null
+++ b/modules/services/udev.nix
@@ -0,0 +1,22 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+let
+  inherit (lib.my) getExe' mkStringIf;
+  isDesktop = config.modules.system.roles.desktop.enable;
+in
+{
+  services.udev.extraRules = ''
+    ${mkStringIf isDesktop ''
+      # Rule for the MacBook Air SuperDrive
+      ACTION=="add", \
+          ATTRS{product}=="MacBook Air SuperDrive", \
+          ATTRS{idProduct}=="1500", ATTRS{idVendor}=="05ac", \
+          DRIVERS=="usb", \
+          RUN+="${getExe' pkgs.sg3_utils "sg_raw"} %r/sr%n EA 00 00 00 00 00 01"
+    ''}
+  '';
+}
diff --git a/parts/lib/functions.nix b/parts/lib/functions.nix
index 98c540c..7145846 100644
--- a/parts/lib/functions.nix
+++ b/parts/lib/functions.nix
@@ -87,6 +87,9 @@ in
     in
     if builtins.pathExists abs then abs else throw "${abs} does not exist.";
 
+  # Returns the string if the given predicate is true, otherwise returns an empty string is returned
+  mkStringIf = predicate: string: if predicate then string else "";
+
   mkVHost = name: port: ssl: {
     inherit name;
     value = {