Fix home/nix module on non-nixos machines

flake.nix

@@ -18,7 +18,10 @@
               config = {
                 home-manager.users."riley" = a: lib.pipe a [
                   (import "${path}/home.nix")
-                  (x: x // { imports = [ ./shared/home ]; })
+                  (x: x // {
+                    imports = [ ./shared/home ];
+                    isNixos = true;
+                  })
                 ];
               };
             };

shared/home/default.nix

@@ -1,4 +1,4 @@
-{ ... }:
+{ lib, ... }:
 
 {
 
@@ -12,6 +12,11 @@
     ./gui
   ];
 
+  options.isNixos = lib.mkOption {
+    type = lib.types.bool;
+    default = false;
+  };
+
   config.theme = import ../../themes/lean.nix;
 
 }

shared/home/nix.nix

@@ -1,6 +1,8 @@
-{ ... }:
+{ lib, pkgs, config, ... }:
 
-{
+(lib.mkIf (!config.isNixos) {
+  nix.package = pkgs.nix;
+}) // {
 
   nix.settings = {
     experimental-features = [ "nix-command" "flakes" ];