anchor.diff:        } // (nixpkgs.lib.optionalAttrs (builtins.elem system linux64BitSystems) {
           nix-static = let
             nixpkgs = nixpkgsFor.${system}.pkgsStatic;
  -        in with commonDeps nixpkgs; nixpkgs.stdenv.mkDerivation {
  +        in with commonDeps { pkgs = nixpkgs; isStatic = true; }; nixpkgs.stdenv.mkDerivation {
             name = "nix-${version}";
   
             src = self;
  
positive.code:           # Forward from the previous stage as we don’t want it to pick the lowdown override
            nixUnstable = prev.nixUnstable;
  
            nix = with final; with commonDeps pkgs; currentStdenv.mkDerivation {
              name = "nix-${version}";
              inherit version;
  
  
negative.code:           lib.optionals stdenv.isLinux [
              "--with-boost=${boost}/lib"
              "--with-sandbox-shell=${sh}/bin/busybox"
            ]
            ++ lib.optionals (stdenv.isLinux && !(isStatic && stdenv.system == "aarch64-linux")) [
              "LDFLAGS=-fuse-ld=gold"
            ];
  
  