anchor.diff:      owner = "github";
       repo = "hub";
       rev = "v${version}";
  -    sha256 = "1gq8nmzdsqicjgam3h48l0dad46dn9mx9blr1413rc2cp9qmg7d4";
  +    sha256 = "1p90m1xp3jahs5y0lp0qfmfa7wqn7gxyygn7x45a6cbf2zzlb86l";
     };
   
     nativeBuildInputs = [ groff ronn utillinux ];
  
positive.code:   postInstall = ''
      cd go/src/${goPackagePath}
      install -D etc/hub.zsh_completion "$bin/share/zsh/site-functions/_hub"
      install -D etc/hub.bash_completion.sh "$bin/etc/bash_completion.d/hub.bash_completion.sh"
      install -D etc/hub.fish_completion  "$bin/share/fish/vendor_completions.d/hub.fish"
  
      make man-pages
  
negative.code: 
  buildGoPackage rec {
    name = "hub-${version}";
    version = "2.7.0";
  
    goPackagePath = "github.com/github/hub";
  
  