extract i3-specific parts

nixos/boxes/foureighty.nix

@@ -1,6 +1,5 @@
 { config, pkgs, ... }:
 {
-
   networking.hostName = "foureighty";
   nixpkgs.config.packageOverrides = pkgs: {
     linux_latest_hardened = pkgs.linux_latest_hardened.override {
@@ -67,5 +66,6 @@
       ../gfx-intel.nix
       ../virtualbox.nix
       ../zerotier.nix
+      ../i3/root.nix
     ];
   }

nixos/common-services.nix

@@ -39,9 +39,6 @@
       timerConfig = { OnCalendar = "hourly"; };
     };
 
-    autorandr.enable = true;
-
-    colord.enable = true;
     xserver = {
       enable = true;
       layout = "pl";
@@ -58,10 +55,6 @@
           Option "AccelMethod" "sna"
       '';
 
-      displayManager.sddm = {
-        enable = true;
-        enableHidpi = true;
-      };
     };
   };
 }

nixos/gnome.nix

@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+{
+
+  services.xserver.enable = true;
+  services.xserver.displayManager.gdm.enable = true;
+  services.xserver.displayManager.gdm.wayland = false;
+  services.xserver.desktopManager.gnome3.enable = true;
+}
+

nixos/i3/root.nix

@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+{
+  services = {
+    colord.enable = true;
+    autorandr.enable = true;
+    xserver.displayManager.sddm = {
+      enable = true;
+      enableHidpi = true;
+    };
+  };
+}