anchor.diff:  
   let
     name = "stgit-${version}";
  -  version = "0.21";
  +  version = "0.22";
   in
   stdenv.mkDerivation {
     inherit name;
  
positive.code: 
    meta = with stdenv.lib; {
      description = "A patch manager implemented on top of Git";
      homepage = http://procode.org/stgit/;
      license = licenses.gpl2;
      maintainers = with maintainers; [ the-kenny ];
      platforms = platforms.unix;
  
negative.code:     owner = "ctmarinas";
      repo = "stgit";
      rev = "v${version}";
      sha256 = "0xpvs5fa50rrvl2c8naha1nblk5ip2mgg63a9srqqxfx6z8qmrfz";
    };
  
    buildInputs = [ python2 git ];
  