anchor.diff:      (placeholder "out")
     ];
   
  -  nativeBuildInputs = [ makeWrapper ];
  +  nativeBuildInputs = [ makeWrapper installShellFiles ];
   
     installPhase = ''
       runHook preInstall
  
positive.code:     mkdir -p $out/bin
      cp bin/* $out/bin/
  
      mkdir -p $out/share/man/man1
      cp man/man1/* $out/share/man/man1/
  
      for i in $out/bin/*; do
        echo "Wrapping $i"
  
negative.code: , lib
  , fetchFromGitHub
  , makeWrapper
  , installShellFiles
  , coreutils
  , gnused
  , gnugrep
  