anchor.diff: -{ lib, stdenv, fetchurl, unzip }:
  +{ lib, stdenv, fetchurl, unzip, makeWrapper, gawk, glibc }:
   
   let
     version = "1.7.3";
  
positive.code: 
    src = sources.${stdenv.hostPlatform.system} or (throw "unsupported system: ${stdenv.hostPlatform.system}");
  
    nativeBuildInputs = [ unzip ];
  
    sourceRoot = ".";
  
  
negative.code:     mkdir -p $out/bin $out/share/bash-completion/completions
      mv vault $out/bin
      echo "complete -C $out/bin/vault vault" > $out/share/bash-completion/completions/vault
  
      wrapProgram $out/bin/vault \
        --prefix PATH ${lib.makeBinPath [ gawk glibc ]}
  
      runHook postInstall
    '';
  