Update and add backup file extension to home manager

flake.lock

@@ -77,11 +77,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1785491804,
-        "narHash": "sha256-p00vplVOyfKGlhju0+eGGPAxyYYKaY0lpyuoHLFIx2Y=",
+        "lastModified": 1785599192,
+        "narHash": "sha256-dg4RTtDxnXY13UkJNdhmgTUTl0n/IJBlCigfO7nutZw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5b4f72e1705a63aace42900610c4db82cb4af0ec",
+        "rev": "6d65bfc1bcef2ef39a239d38e577e92a89fb0f07",
         "type": "github"
       },
       "original": {

flake.nix

@@ -68,6 +68,8 @@
             {
               home-manager.extraSpecialArgs = { inherit inputs; };
               home-manager.useGlobalPkgs = true;
+              home-manager.useUserPackages = true;
+              home-manager.backupFileExtension = "backup";
               home-manager.users."${host.user}" = import ./hosts/${host.dir}/home.nix;
             }
           ] ++ modules;