added setup script

configuration.nix

@@ -2,11 +2,7 @@
 let
   stateVersion = "24.05";
   unstable = import <nixos-unstable> {};
-  ad_src = builtins.fetchGit {
-    url = "https://gitea.john-stream.com/john/ad-nix";
-    ref = "main";
-  };
-  adTargetPath = "/srv/appdaemon/ad-nix";
+  adPath = "/usr/src/app";
 in
 {
   imports = [
@@ -22,21 +18,20 @@ in
     (pkgs.writeShellScriptBin "nrbsu" ''
       sudo nix-channel --update && sudo nixos-rebuild switch
     '')
+    (pkgs.writeShellScriptBin "setup" ''
+      if [ ! -d ${adPath} ]; then
+        sudo git clone https://gitea.john-stream.com/john/ad-nix ${adPath}
+        sudo chown -R appdaemon:users ${adPath}
+      else
+        echo "${adPath} already exists"
+      fi
+    '')
     bash
     git
     eza
     # appdaemon
   ];
 
-  system.userActivationScripts.ad-setup.text = ''
-  if [ ! -d ${adTargetPath} ]; then
-    ${pkgs.git}/bin/git clone https://gitea.john-stream.com/john/ad-nix ${adTargetPath}
-    chown -R appdaemon:users ${adTargetPath}
-  else
-    ${pkgs.git}/bin/git -C ${adTargetPath} pull
-  fi
-  '';
-
   virtualisation.docker.enable = true;
   services.vscode-server.enable = true;
   services.openssh.enable = true;