Move mkHost helper into a separate module

flake.nix

@@ -6,33 +6,22 @@
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
   };
 
-  outputs = { self, nixpkgs, nixpkgs-unstable } @inputs:
+  outputs = { nixpkgs, ... }@inputs: 
   let
-    mkHost = { hostname, system, stateVersion }: nixpkgs.lib.nixosSystem {
-      system = system;
-      modules = [
-        {
-          networking = {
-            hostName = hostname;
-            networkmanager.enable = true;
-          };
-          system.stateVersion = stateVersion;
-        }
-        ./modules/nixos
-        ./hosts/${hostname}
-      ];
-      specialArgs = { inherit inputs; };
-    };
+    utils = import ./lib { inherit inputs; };
+    inherit (utils) mkHost;
   in {
     nixosConfigurations = {
       marauder = mkHost {
-        hostname = "marauder";
+        hostName = "marauder";
         system = "x86_64-linux";
+        timeZone = "America/Los_Angeles";
         stateVersion = "24.05";
       };
       monolith = mkHost {
-        hostname = "monolith";
+        hostName = "monolith";
         system = "x86_64-linux";
+        timeZone = "America/Los_Angeles";
         stateVersion = "24.05";
       };
     };

hosts/marauder/default.nix

@@ -5,18 +5,10 @@
     ./backup.nix
     ./boot.nix
     ./hardware.nix
-    ../../modules/nixos
   ];
 
-  time.timeZone = "America/Los_Angeles";
-  
   nixpkgs.config.allowUnfree = true;
 
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
-  ];
-
   services = {
     xserver = {
       enable = true;
@@ -27,6 +19,4 @@
     };
     displayManager.defaultSession = "cinnamon";
   };
-
-  system.stateVersion = "24.05";
 }

hosts/monolith/default.nix

@@ -1,20 +1 @@
-{ config, lib, pkgs, inputs, outputs, ... }:
-{
-  imports = [
-    outputs.nixosModules
-  ];
-
-  time.timeZone = "America/Los_Angeles";
-
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
-  ];
-
-  networking = {
-    hostName = "monolith";
-    networkmanager.enable = true;
-  };
-
-  system.stateVersion = "24.05";
-}
+{ ... }: {}

lib/default.nix

@@ -0,0 +1,18 @@
+{ inputs }: {
+  mkHost = { hostName, system, timeZone, stateVersion }: inputs.nixpkgs.lib.nixosSystem {
+    inherit system;
+    modules = [
+      {
+        networking.hostName = hostName;
+        nix.settings.experimental-features = [ "nix-command" "flakes" ];
+        system.stateVersion = stateVersion;
+        time.timeZone = timeZone;
+      }
+      ../modules/nixos
+      ../hosts/${hostName}
+    ];
+    specialArgs = {
+      inherit inputs;
+    };
+  };
+}

modules/nixos/default.nix

@@ -1,6 +1,11 @@
-{ ... }:
+{ options, config, lib, ... }:
 {
-  imports = [
-    ./users.nix
-  ];
+  users.users = {
+    nettika = {
+      isNormalUser = true;
+      extraGroups = [ "wheel" "networkmanager" ];
+    };
+  };
+
+  networking.networkmanager.enable = true;
 }

modules/nixos/users.nix

@@ -1,9 +0,0 @@
-{ ... }:
-{
-  users.users = {
-    nettika = {
-      isNormalUser = true;
-      extraGroups = [ "wheel" "networkmanager" ];
-    };
-  };
-}