anchor.diff:        "istio.io/pkg/version.buildTag=${version}"
         "istio.io/pkg/version.buildHub=docker.io/istio"
       ];
  -  in ["-ldflags=${lib.concatMapStringsSep " " (attr: "-X ${attr}") attrs}"];
  +  in ["-ldflags=-s -w ${lib.concatMapStringsSep " " (attr: "-X ${attr}") attrs}"];
   
     subPackages = [ "istioctl/cmd/istioctl" ];
  +
  +  postInstall = ''
  +    $out/bin/istioctl collateral --man --bash --zsh
  +    installManPage *.1
  +    installShellCompletion istioctl.bash
  +    installShellCompletion --zsh _istioctl
  +  '';
   
     meta = with lib; {
       description = "Istio configuration command line utility for service operators to debug and diagnose their Istio mesh";
  
positive.code:   };
    vendorSha256 = "0cc0lmjsxrn3f78k95wklf3yn5k7h8slwnwmssy1i1h0bkcg1bai";
  
    nativeBuildInputs = [ go-bindata ];
  
    # Bundle charts
    preBuild = ''
  
negative.code: { lib, buildGoModule, fetchFromGitHub, go-bindata, installShellFiles }:
  
  buildGoModule rec {
    pname = "istioctl";
  