chore: prepare config structure for multiple hosts

flake.nix

@@ -1,15 +1,8 @@
 {
-  description = "Your new nix config";
-
   inputs = {
-    # Nixpkgs
     nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
-    # You can access packages and modules from different nixpkgs revs
-    # at the same time. Here's an working example:
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
-    # Also see the 'unstable-packages' overlay at 'overlays/default.nix'.
 
-    # Home manager
     home-manager.url = "github:nix-community/home-manager/release-25.11";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
 
@@ -27,44 +20,27 @@
     }@inputs:
     let
       inherit (self) outputs;
-      # Supported systems for your flake packages, shell, etc.
-      systems = [
-        "x86_64-linux"
-      ];
-      # This is a function that generates an attribute by calling a function you
-      # pass to it, with each system as an argument
-      forAllSystems = nixpkgs.lib.genAttrs systems;
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
     in
     {
-      # Your custom packages
-      # Accessible through 'nix build', 'nix shell', etc
-      packages = forAllSystems (system: import ./pkgs nixpkgs.legacyPackages.${system});
-
-      # Your custom packages and modifications, exported as overlays
+      packages = import ./pkgs pkgs;
       overlays = import ./overlays { inherit inputs; };
-      # Reusable nixos modules you might want to export
-      # These are usually stuff you would upstream into nixpkgs
       nixosModules = import ./modules/nixos;
-      # Reusable home-manager modules you might want to export
-      # These are usually stuff you would upstream into home-manager
       homeManagerModules = import ./modules/home-manager;
 
-      # NixOS configuration entrypoint
-      # Available through 'nixos-rebuild --flake .#your-hostname'
       nixosConfigurations = {
         desktop = nixpkgs.lib.nixosSystem {
           specialArgs = { inherit inputs outputs; };
           modules = [
-            ./nixos/configuration.nix
+            ./nixos/desktop
           ];
         };
       };
 
-      # Standalone home-manager configuration entrypoint
-      # Available through 'home-manager --flake .#your-username@your-hostname'
       homeConfigurations = {
         "leonhard@desktop" = home-manager.lib.homeManagerConfiguration {
-          pkgs = nixpkgs.legacyPackages.x86_64-linux; # Home-manager requires 'pkgs' instance
+          inherit pkgs;
           extraSpecialArgs = { inherit inputs outputs; };
           modules = [
             ./home-manager/home.nix

nixos/base.nix

@@ -1,5 +1,3 @@
-# This is your system's configuration file.
-# Use this to configure your system environment (it replaces /etc/nixos/configuration.nix)
 {
   inputs,
   outputs,
@@ -10,7 +8,6 @@
 }:
 {
   imports = [
-    ./hardware-configuration.nix
     outputs.nixosModules
   ];
 
@@ -73,32 +70,12 @@
     LC_TIME = "de_DE.UTF-8";
   };
 
-  # Enable CUPS to print documents.
-  #services.printing.enable = true;
-
-  # Enable firmware
-  #hardware.enableAllFirmware = true;
-
-  # Enable bluetooth
-  #hardware.bluetooth.enable = true;
-
-  # Enable sound with pipewire.
-  # security.rtkit.enable = true;
-  # services.pipewire = {
-  #   enable = true;
-  #   alsa.enable = true;
-  #   alsa.support32Bit = true;
-  #   pulse.enable = true;
-  # };
-
-  networking.hostName = "desktop";
-
   users.users = {
     leonhard = {
-      # TODO: You can set an initial password for your user.
+      # You can set an initial password for your user.
       # If you do, you can skip setting a root password by passing '--no-root-passwd' to nixos-install.
       # Be sure to change it (using passwd) after rebooting!
-      initialPassword = "correcthorsebatterystaple";
+      initialPassword = "leonhard";
       isNormalUser = true;
       extraGroups = [ "wheel" ];
     };

nixos/desktop/default.nix

@@ -0,0 +1,44 @@
+{
+  inputs,
+  outputs,
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    (import ../base.nix {
+      inherit
+        inputs
+        outputs
+        config
+        lib
+        pkgs
+        ;
+    })
+    (import ./hardware-configuration.nix {
+      inherit lib;
+    })
+  ];
+
+  # Enable CUPS to print documents.
+  #services.printing.enable = true;
+
+  # Enable firmware
+  #hardware.enableAllFirmware = true;
+
+  # Enable bluetooth
+  #hardware.bluetooth.enable = true;
+
+  # Enable sound with pipewire.
+  # security.rtkit.enable = true;
+  # services.pipewire = {
+  #   enable = true;
+  #   alsa.enable = true;
+  #   alsa.support32Bit = true;
+  #   pulse.enable = true;
+  # };
+
+  networking.hostName = "desktop";
+}

nixos/desktop/hardware-configuration.nix

@@ -1,8 +1,5 @@
 {
-  config,
   lib,
-  pkgs,
-  modulesPath,
   ...
 }: