Add GNOME

- Add config option to switch between window managers / desktop environments
- Remove systemPackages attribute when a service or program attribute is available
- Add GNOME to gui

system/app/gaming/gamemode.nix

@@ -1,6 +1,5 @@
 { config, lib, pkgs, ... }:
 
 {
-  environment.systemPackages = [ pkgs.gamemode ];
   programs.gamemode.enable = true;
 }

system/app/gaming/steam.nix

@@ -1,7 +1,6 @@
 { config, lib, pkgs, ... }:
 
 {
-  environment.systemPackages = [ pkgs.steam ];
   programs.steam = {
     enable = true;
     remotePlay.openFirewall = true;

system/gui/dwm.nix

@@ -9,7 +9,6 @@
     ../app/launcher/rofi.nix
   ];
 
-  environment.systemPackages = [ pkgs.dwm ];
   services.xserver.windowManager.dwm.enable = true;
   services.xserver.displayManager.defaultSession = "none+dwm";
 }

system/gui/gnome.nix

@@ -0,0 +1,10 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    ./x11.nix
+  ];
+
+  services.xserver.displayManager.gdm.enable = true;
+  services.xserver.desktopManager.gnome.enable = true;
+}

system/gui/lightdm.nix

@@ -1,8 +1,5 @@
 { config, lib, pkgs, ... }:
 
 {
-  environment.systemPackages = [ pkgs.lightdm ];
-  services.xserver.displayManager = {
-    lightdm.enable = true;
-  };
+  services.xserver.displayManager.lightdm.enable = true;
 }

system/hardware/audio.nix

@@ -1,8 +1,6 @@
 { config, lib, pkgs, ... }:
 
 {
-  environment.systemPackages = [ pkgs.pipewire ];
-  hardware.pulseaudio.enable = false;
   sound.enable = true;
   security.rtkit.enable = true;
   services.pipewire = {

system/hardware/automount.nix

@@ -1,11 +1,6 @@
 { config, lib, pkgs, ... }:
 
 {
-  environment.systemPackages = [
-    pkgs.gvfs
-    pkgs.udisks
-    pkgs.udiskie
-  ];
   services.devmon.enable = true;
   services.gvfs.enable = true;
   services.udisks2.enable = true;

system/hardware/bluetooth.nix

@@ -1,7 +1,6 @@
 { config, lib, pkgs, ... }:
 
 {
-  environment.systemPackages = [ pkgs.blueman ];
   hardware.bluetooth.enable = true;
   services.blueman.enable = true;
 }

system/hardware/openrgb.nix

@@ -2,7 +2,5 @@
 
 {
   environment.systemPackages = [ pkgs.openrgb-with-all-plugins ];
-  services.hardware.openrgb = {
-    enable = true;
-  };
+  services.hardware.openrgb.enable = true;
 }

system/hardware/printing.nix

@@ -1,11 +1,6 @@
 { config, lib, pkgs, ... }:
 
 {
-  environment.systemPackages = [
-    pkgs.cups
-    pkgs.cups-filters
-    pkgs.avahi
-  ];
   services.printing.enable = true;
   services.avahi.enable = true;
   services.avahi.nssmdns4 = true;