anchor.diff:      for f in $out/bin/*
       do
         wrapProgram $f \
  -      --prefix PATH ":" "${erlang}/bin:${coreutils}/bin"
  +      --prefix PATH ":" "${erlang}/bin:${coreutils}/bin:${curl}/bin:${bash}/bin" \
  +      --set CURL_CA_BUNDLE "${cacert}/etc/ca-bundle.crt"
       done
     '';
   
  
positive.code: 
      substituteInPlace Makefile \
        --replace "/usr/local" $out
    '';
  
    postFixup = ''
  
negative.code: { stdenv, fetchurl, erlang, rebar, makeWrapper, coreutils, curl, bash, cacert }:
  
  let
    version = "1.0.0";
  