make changes to have a more modular config

configuration.nix

@@ -1,23 +1,16 @@
 { config, pkgs, ... }:
 
 let
-  home-manager = builtins.fetchTarball {
-    url = "https://github.com/nix-community/home-manager/archive/release-23.05.tar.gz";
-    sha256 = "0dfshsgj93ikfkcihf4c5z876h4dwjds998kvgv7sqbfv0z6a4bc";
-  };
   hostname = "virtbox";
 in
 {
   imports =
     [
-      (import "./hardware-config/${hostname}.nix")
-      (import "${home-manager}/nixos")
+      ./hardware-configuration.nix # include the results of the hardware scan
+      ./virtbox.nix
+      ./netbox.nix
     ];
 
-  boot.loader.grub.enable = true;
-  boot.loader.grub.device = "/dev/vda";
-
-  networking.hostName = hostname; # Define your hostname.
   networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
 
   time.timeZone = "America/Chicago";
@@ -28,100 +21,19 @@ in
     keyMap = "us";
   };
 
-  services.xserver = {
-    enable = true;
-    libinput.enable = true;
-    layout = "us";
-
-    # we're going to be pulling a sneaky
-    # we don't actually use startx, it just gets lightdm out of the way
-    displayManager.startx.enable = true;
-  };
-
-  sound.enable = true;
-  hardware.pulseaudio.enable = true;
-
   environment.systemPackages = with pkgs; [
     neovim
     curl
     htop
     git
-    sx
-
-    (pkgs.callPackage ./builds/utils.nix {})
   ];
 
-  users.users.usr = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" ];
-    packages = with pkgs; [
-      firefox
-      tree
-      bspwm
-      sxhkd
-    ];
-  };
-
-  system.activationScripts.test-script.text = ''
-    #!${pkgs.bash}/bin/bash
-
-    if [ "$(${pkgs.coreutils}/bin/whoami)" = "usr"]; then
-      ${pkgs.coreutils}/bin/mkdir -p /home/usr/git
-      ${pkgs.git}/bin/git https://git.beepboop.systems/rndusr/dot /home/usr/git/dot
-    fi
-  '';
-
-  home-manager.users.usr.home = {
-    stateVersion = "23.05";
-
-    file = {
-      ".config/bash" = {
-        source = ./config/bash;
-        recursive = true;
-      };
-      ".config/bspwm" = {
-        source = ./config/bspwm;
-        recursive = true;
-      };
-      ".config/git" = {
-        source = ./config/git;
-        recursive = true;
-      };
-      ".config/htop" = {
-        source = ./config/htop;
-        recursive = true;
-      };
-      ".config/nvim" = {
-        source = ./config/nvim;
-        recursive = true;
-      };
-      ".config/python" = {
-        source = ./config/python;
-        recursive = true;
-      };
-      ".config/sx" = {
-        source = ./config/sx;
-        recursive = true;
-      };
-      ".config/sxhkd" = {
-        source = ./config/sxhkd;
-        recursive = true;
-      };
-      ".config/tridactyl" = {
-        source = ./config/tridactyl;
-        recursive = true;
-      };
-      ".config/zathura" = {
-        source = ./config/zathura;
-        recursive = true;
-      };
-      ".local/share/wallpapers" = {
-        source = ./wallpapers;
-        recursive = true;
-      };
-    };
-  };
-
   system.copySystemConfiguration = true;
   system.stateVersion = "23.05"; # don't change this, lol
+
+  # branch and enable different capabilities based on the system
+
+  lib.mkIf hostname == "virtbox" {
+    services.virtbox.enable = true;
+  };
 }

virtbox.nix

@@ -0,0 +1,117 @@
+{ config, pkgs, ...}:
+
+with lib;
+let
+  cfg = config.services.virtbox;
+  home-manager = builtins.fetchTarball {
+    url = "https://github.com/nix-community/home-manager/archive/release-23.05.tar.gz";
+    sha256 = "0dfshsgj93ikfkcihf4c5z876h4dwjds998kvgv7sqbfv0z6a4bc";
+  };
+in {
+  options.serviecs.virtbox = {
+    enable = mkEnableOption "virtbox configs";
+  };
+
+  imports = [
+    (import "${home-manager}/nixos")
+  ];
+
+  config = mkIf cfg.enable {
+    boot.loader.grub.enable = true;
+    boot.loader.grub.device = "/dev/vda";
+
+    networking.hostName = "virtbox";
+
+    services.xserver = {
+      enable = true;
+      libinput.enable = true;
+      layout = "us";
+
+      # we're going to be pulling a sneaky
+      # we don't actually use startx, it just gets lightdm out of the way
+      displayManager.startx.enable = true;
+    };
+
+    sound.enable = true;
+    hardware.pulseaudio.enable = true;
+
+    environment.systemPackages = with pkgs; [
+      sx
+
+      (pkgs.callPackage ./builds/utils.nix {})
+    ];
+
+    users.users.usr = {
+      isNormalUser = true;
+      extraGroups = [ "wheel" ];
+      packages = with pkgs; [
+        firefox
+        tree
+        bspwm
+        sxhkd
+      ];
+    };
+
+
+    # honking impure, but who's counting anyway?
+    system.activationScripts.test-script.text = ''
+      #!${pkgs.bash}/bin/bash
+
+      if [ "$(${pkgs.coreutils}/bin/whoami)" = "usr"]; then
+        ${pkgs.coreutils}/bin/mkdir -p /home/usr/git
+        ${pkgs.git}/bin/git https://git.beepboop.systems/rndusr/dot /home/usr/git/dot
+      fi
+    '';
+
+    home-manager.users.usr.home = {
+      stateVersion = "23.05";
+
+      file = {
+        ".config/bash" = {
+          source = ./config/bash;
+          recursive = true;
+        };
+        ".config/bspwm" = {
+          source = ./config/bspwm;
+          recursive = true;
+        };
+        ".config/git" = {
+          source = ./config/git;
+          recursive = true;
+        };
+        ".config/htop" = {
+          source = ./config/htop;
+          recursive = true;
+        };
+        ".config/nvim" = {
+          source = ./config/nvim;
+          recursive = true;
+        };
+        ".config/python" = {
+          source = ./config/python;
+          recursive = true;
+        };
+        ".config/sx" = {
+          source = ./config/sx;
+          recursive = true;
+        };
+        ".config/sxhkd" = {
+          source = ./config/sxhkd;
+          recursive = true;
+        };
+        ".config/tridactyl" = {
+          source = ./config/tridactyl;
+          recursive = true;
+        };
+        ".config/zathura" = {
+          source = ./config/zathura;
+          recursive = true;
+        };
+        ".local/share/wallpapers" = {
+          source = ./wallpapers;
+          recursive = true;
+        };
+      };
+    };
+  };
+}