anchor.diff:  { stdenv
   , fetchurl
  +, ninja
   , python
   
   , c-ares
  
positive.code: 
    setupHook = ./setup-hook.sh;
  
    # Fix scripts like npm that depend on node
    postInstall = ''
      export PATH="$out/bin:$PATH"
      command -v node
      while read file; do
  
negative.code:   };
  
    nativeBuildInputs = [
      ninja
      python
    ];
  
  