Modified home-manager flake.nix

.config/home-manager/flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "Home Manager multi-machine flake";
+  description = "Multi-machine Home Manager (Linux/macOS/NixOS)";
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
@@ -8,12 +8,13 @@
   };
 
   outputs = { self, nixpkgs, home-manager, ... }: let
-    # Get system type (Linux or MacOS, x86_64 or ARM)
     system = builtins.currentSystem;
     pkgs = import nixpkgs { inherit system; };
-    # Get current machine hostname
+
+    # Grab hostname from environment
     hostname = builtins.getEnv "HOSTNAME";
   in {
+    # -------- Standalone Home Manager (macOS / non-NixOS Linux) --------
     homeConfigurations = {
       "${hostname}" = home-manager.lib.homeManagerConfiguration {
         inherit pkgs;
@@ -21,7 +22,32 @@
           ./common.nix
           ./${hostname}/home.nix
         ];
-      }
+      };
+    };
+
+    # -------- NixOS Integration --------
+    nixosConfigurations = {
+      "${hostname}" = nixpkgs.lib.nixosSystem {
+        inherit system;
+        modules = [
+          ./configuration.nix
+
+          # Enable Home Manager as NixOS module
+          home-manager.nixosModules.home-manager
+
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+
+            home-manager.users.elisha = {
+              imports = [
+                ./common.nix
+                ./${hostname}/home.nix
+              ];
+            };
+          }
+        ];
+      };
     };
   };
 }