{
  fetchFromGitHub,
  runCommandNoCC,
  kubernetes-helm,
  formats,
  lib,
  istioctl,
}: {
  helmChart,
  values ? {},
  name,
  attrs ? {},
  namespace ? "default",
}: let
  inherit
    (lib)
    getExe'
    ;
in
  runCommandNoCC (name + ".yaml") attrs ''
    ${getExe' kubernetes-helm "helm"} template \
      --namespace ${namespace} \
      -f ${(formats.json {}).generate "values.yaml" values} \
      ${name} ${helmChart} > $out
  ''