test

desktops/gnome.nix

@@ -1,5 +1,6 @@
-{ config, pkgs, unstable, ... }: {
+{ config, unstable, ... }: {
   services.xserver = {
+    # https://nixos.org/manual/nixos/stable/index.html#chap-gnome
     # Enable the GNOME Desktop Environment.
     displayManager.gdm.enable = true;
     desktopManager.gnome.enable = true;

flake.nix

@@ -52,6 +52,8 @@
       # Declare a generic configuration using the $hostname variable:
       ${hostname} = lib.nixosSystem { 
         inherit system;
+        # Tell NixOS to inherit the "Unstable" packages defined above.  
+        # Used in the { } imports on each configuration file.  See gnome.nix
         specialArgs = { inherit unstable; };
         modules = [
           # Configuration Imports