anchor.diff:      '';
   
       environment.systemPackages = [
  -      (pkgs.nixos-container.override {
  -        inherit stateDirectory configurationDirectory;
  -      })
  +      nixos-container
       ];
   
       boot.kernelModules = [
  
positive.code:     ExecReload = pkgs.writeScript "reload-container"
        ''
          #! ${pkgs.runtimeShell} -e
          ${pkgs.nixos-container}/bin/nixos-container run "$INSTANCE" -- \
            bash --login -c "''${SYSTEM_PATH:-/nix/var/nix/profiles/system}/bin/switch-to-configuration test"
        '';
  
  
negative.code:   configurationDirectoryName = "${configurationPrefix}containers";
    configurationDirectory = "/etc/${configurationDirectoryName}";
    stateDirectory = "/var/lib/${configurationPrefix}containers";
  
    nixos-container = pkgs.nixos-container.override {
      inherit stateDirectory configurationDirectory;
    };
  
    # The container's init script, a small wrapper around the regular
    # NixOS stage-2 init script.
  