Switch to home-manager.

nix/steam_deck/configuration/flake.nix

@@ -3,10 +3,17 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    # nixgl.url = "github:nix-community/nixGL";
+    home-manager = {
+      url = "github:nix-community/home-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
   outputs =
     {
       nixpkgs,
+      # nixgl,
+      home-manager,
       ...
     }:
     let
@@ -14,23 +21,18 @@
       pkgs = nixpkgs.legacyPackages.${system};
     in
     {
-      packages.${system}.default = pkgs.buildEnv {
-        name = "default";
-        paths = [
-          pkgs.emacs
-          pkgs.mg
-          pkgs.steam-rom-manager
-        ];
-      };
+      defaultPackage.${system} = home-manager.defaultPackage.${system};
+      homeConfigurations."deck" = home-manager.lib.homeManagerConfiguration {
+        inherit pkgs;
 
-      formatter.${system} = pkgs.nixfmt-rfc-style;
-      # formatter.${system} = pkgs.alejandra;
+        modules = [ ./home.nix ];
+      };
     };
 
-  # nixConfig = {
-  #   experimental-features = [
-  #     "nix-command"
-  #     "flakes"
-  #   ];
-  # };
+  nixConfig = {
+    experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+  };
 }