anchor.diff:      sha256 = "1vvrc3k81jm9c664g0j9666i7ypn7n7jfyj4gxcybq3sg2d4di27";
     };
   
  -  nativeBuildInputs = [ groff ronn utillinux glibcLocales ];
  -  buildInputs = [ ruby ] ++
  -    stdenv.lib.optional stdenv.isDarwin Security;
  +  nativeBuildInputs = [ groff utillinux ];
  +  buildInputs = stdenv.lib.optional stdenv.isDarwin Security;
   
     postPatch = ''
       patchShebangs .
  
positive.code: { stdenv, buildGoPackage, fetchFromGitHub, ronn, ruby, groff, Security, utillinux, git, glibcLocales }:
  
  buildGoPackage rec {
    pname = "hub";
  
negative.code:     install -D etc/hub.bash_completion.sh "$bin/share/bash-completion/completions/hub"
      install -D etc/hub.fish_completion  "$bin/share/fish/vendor_completions.d/hub.fish"
  
      LC_ALL=C.UTF8 \
      make man-pages
      cp -vr --parents share/man/man[1-9]/*.[1-9] $bin/
    '';
  
  