profiles/default: make sure gpg and git paths are set

profiles/default.nix

@@ -88,7 +88,8 @@ with lib;
         inherit (config.environment.variables) GNUPGHOME;
         HOME = "/root";
       } // config.networking.proxy.envVars;
-      script = "cd /etc/nixos && ${pkgs.git}/bin/git pull --verify-signatures origin master";
+      path = [ pkgs.gnupg pkgs.git ];
+      script = "cd /etc/nixos && git pull --verify-signatures origin master";
     };
     systemd.services.nixos-upgrade.requires = [ "navi-update.service" ];
     systemd.services.nixos-upgrade.after = [ "navi-update.service" ];