anchor.diff:  
       install-force-no-daemon = {
         script = ''
  -        set -eux
  -
           tar -xf ./nix.tar.xz
           mv ./nix-* nix
           ./nix/install --no-daemon
  
positive.code:       "installer-test-${imageName}-${testName}"
        { buildInputs = [ qemu_kvm openssh ];
          image = image.image;
          installScript = installScripts.${testName}.script;
          binaryTarball = binaryTarballs.${system};
        }
  
negative.code:       };
        rootDisk = "box.img";
        system = "x86_64-linux";
        postBoot = disableSELinux;
      };
  
    };
  