{
  description =
    "npiperelay";

  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
  inputs.flake-utils.url = "github:numtide/flake-utils";

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let pkgs = nixpkgs.legacyPackages.${system};
      in {
        defaultPackage = pkgs.symlinkJoin {
          name = "npiperealy-0.1";
          paths = builtins.attrValues
            self.packages.${system}; 
        };

        packages.npiperelay = pkgs.stdenvNoCC.mkDerivation {
         name = "npiperelay";
  src = pkgs.fetchurl {
    url = "https://github.com/rupor-github/wsl-ssh-agent/releases/download/v1.6.3/wsl-ssh-agent.zip";
    sha256 = "sha256-A1ykYteoNZi6QACkYHSxa1hY55GfqgClIFZFX2GuLMU=";
  };
  phases = ["installPhase" "patchPhase"];
  installPhase = ''
    mkdir -p $out/bin
    cp $src $out/bin/npiperelay.exe
    chmod +x $out/bin/npiperelay.exe
  '';
          meta = { description = "npipe"; };
        };
      });
}