{
  fetchFromGitHub,
  runCommandNoCC,
  kubernetes-helm,
  formats,
  lib,
  istioctl,
}: let
  inherit
    (lib)
    getExe'
    ;
  istioSrc =
    istioctl.src
    + "/manifests/charts";

  extractHelmChart = helmChart: values: name: attrs:
    runCommandNoCC (name + ".yaml") attrs ''
      (
        ${getExe' kubernetes-helm "helm"} template --namespace kube-system -f ${(formats.json {}).generate "values.yaml" values} ${helmChart}/base
        ${getExe' kubernetes-helm "helm"} template --namespace kube-system -f ${(formats.json {}).generate "values.yaml" values} ${helmChart}/istiod
      ) > $out
    '';
in
  extractHelmChart istioSrc {} "istio" {}