# unpackPhase
# patchPhase
# configurePhase
# buildPhase
# checkPhase
# installPhase
# fixupPhase
# installCheckPhase
# distPhase
{
  lib,
  pkgs,
  stdenv,
  kubernetes-helm,
  helm_src,
  helm_name,
  helm_namespace,
  helm_path ? ".",
  helm_manifest_name,
  helm_values ? { },
  ...
}:
stdenv.mkDerivation (
  finalAttrs:
  let
    to_yaml_file = ((import ../../../functions/to_yaml.nix) { inherit pkgs; }).to_yaml_file;
  in
  {
    name = "${helm_name}-manifest";
    nativeBuildInputs = [
      kubernetes-helm
    ];
    buildInputs = [ ];

    src = helm_src;

    buildPhase = ''
      helm template --dry-run=client ${lib.strings.escapeShellArg helm_name} $src/${helm_path} --namespace ${helm_namespace} \
           --values ${to_yaml_file "values.yaml" helm_values} \
           | tee $NIX_BUILD_TOP/${helm_manifest_name}
    '';

    installPhase = ''
      mkdir -p "$out"
      cp $NIX_BUILD_TOP/${helm_manifest_name} $out/
    '';
  }
)