init

configuration.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, user, allowed, secrets, rice, nvidia, ... }:
+{ config, lib, pkgs, user, host, allowed, secrets, rice, nvidia, ... }:
 let
 in
 {
@@ -67,6 +67,7 @@ in
   # $ nix search wget
   environment.systemPackages = with pkgs; [
     ntfs3g
+    btrfs-progs
     git
     git-crypt
     wget

flake.nix

@@ -79,7 +79,14 @@
           modules = [
             ./configuration.nix
           ];
-          specialArgs = { inherit user pkgs-unstable allowed secrets rice nvidia; };
+          specialArgs = let host = "NxXPS"; in { inherit user host pkgs-unstable allowed secrets rice nvidia; };
+        };
+        NxNORTH = nixpkgs.lib.nixosSystem {
+          inherit system;
+          modules = [
+            ./configuration.nix
+          ];
+          specialArgs = let host = "NxNORTH"; in { inherit user host pkgs-unstable allowed secrets rice nvidia; };
         };
       };
 

system-modules/hardware-configuration.nix

@@ -1,4 +1,4 @@
-{ config, lib, user, pkgs, modulesPath, ... }:
+{ config, lib, user, host, pkgs, modulesPath, ... }:
 
 {
   imports = [
@@ -19,10 +19,10 @@
     device = "/dev/disk/by-label/EFI";
     fsType = "vfat";
   };
-  fileSystems."/home/${user}/shared" = {
+  #fileSystems."/home/${user}/shared" = if {
-    device = "/dev/disk/by-label/shared";
+  #  device = "/dev/disk/by-label/shared";
-    fsType = "ntfs";
+  #  fsType = if host == "NxXPS" then "ntfs" else "btrfs";
-  };
+  #};
 
   swapDevices = [
     { device = "/dev/disk/by-label/swap"; }