anchor.diff:              inherit system crossSystem;
               overlays = [ self.overlays.default ];
             };
  -        in with commonDeps nixpkgsCross; nixpkgsCross.stdenv.mkDerivation {
  +        in with commonDeps { pkgs = nixpkgsCross; }; nixpkgsCross.stdenv.mkDerivation {
             name = "nix-${version}";
   
             src = self;
  
positive.code:       } // (nixpkgs.lib.optionalAttrs (builtins.elem system linux64BitSystems) {
          nix-static = let
            nixpkgs = nixpkgsFor.${system}.pkgsStatic;
          in with commonDeps nixpkgs; nixpkgs.stdenv.mkDerivation {
            name = "nix-${version}";
  
            src = self;
  
negative.code:             echo "file installer $out/install" >> $out/nix-support/hydra-build-products
            '';
  
        testNixVersions = pkgs: client: daemon: with commonDeps { inherit pkgs; }; with pkgs.lib; pkgs.stdenv.mkDerivation {
          NIX_DAEMON_PACKAGE = daemon;
          NIX_CLIENT_PACKAGE = client;
          name =
  