convoluted solution looking for a problem

unified modules structure

modules/hardware/common-desktop.nix

@@ -1,9 +1,14 @@
 {
   lib,
   pkgs,
+  config,
   ...
-}: {
-  config = {
+}: let
+  isEnabled = config.my.hardware.enableCommonDesktopSettings;
+in {
+  options.my.hardware.enableCommonDesktopSettings = lib.mkEnableOption "common hw settings for desktops";
+
+  config = lib.mkIf isEnabled {
     boot = {
       kernelPackages = pkgs.linuxPackages_zen;
       kernelParams = ["quiet" "udev.log_level=3"];

modules/hardware/default.nix

@@ -1,13 +1,20 @@
-hostName: {
+modulesCfg: {
   modulesPath,
   lib,
   ...
-}: {
+}: let
+  hostName = modulesCfg.hostName;
+in {
   imports = [
     (modulesPath + "/installer/scan/not-detected.nix")
     (builtins.toString ./. + "/${hostName}.nix")
+    ./common-desktop.nix
   ];
 
+  options.my.modulesCfg.hostName = lib.mkOption {
+    type = lib.types.str;
+  };
+
   config = {
     networking.hostName = hostName;
 

modules/hardware/vinzenz-lpt.nix

@@ -1,9 +1,7 @@
 {...}: {
-  imports = [
-    ./common-desktop.nix
-  ];
-
   config = {
+    my.hardware.enableCommonDesktopSettings = true;
+
     boot = {
       initrd.availableKernelModules = ["xhci_pci" "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sdhci_pci"];
       initrd.kernelModules = [];

modules/hardware/vinzenz-pc2.nix

@@ -1,9 +1,7 @@
 {...}: {
-  imports = [
-    ./common-desktop.nix
-  ];
-
   config = {
+    my.hardware.enableCommonDesktopSettings = true;
+
     boot = {
       initrd.availableKernelModules = ["nvme" "xhci_pci" "ahci" "usbhid" "sd_mod"]; # "usb_storage"
       initrd.kernelModules = [];