{
  pkgs ? import <nixpkgs> {}
, helm ? "${pkgs.kubernetes-helm}/bin/helm"
, lib ? pkgs.lib
}:
let
  mkHelm = { name, version, url, hash ? lib.fakeSha256 }:
    pkgs.stdenv.mkDerivation {
      inherit name;

      src = pkgs.fetchurl {
        inherit url hash;
      };

      phases = [
        "unpackPhase"
        "build" 
      ];

      build = ''
        mkdir -p $out
        ${helm} template ${name} ./ > $out/${name}-${version}.yaml
        #${helm} version > $out/README 
      '';
    };

  nixHelm = { 
    inherit mkHelm;
  };
in
  nixHelm