fix standalone home-manager on macos

modules/darwin/nixpkgs.nix

@@ -21,7 +21,7 @@
         rebuild-home = lib.mkForce {
           body = ''
             git -C ${config.dotfilesPath} add --intent-to-add --all
-            commandline -r "${pkgs.home-manager}/bin/home-manager switch --flake ${config.dotfilesPath}#${config.networking.hostName}";
+            commandline -r "${pkgs.home-manager}/bin/home-manager switch --flake ${config.dotfilesPath}#macbook";
             commandline --function execute
           '';
         };