anchor.diff: -{ stdenv, fetchurl, python2, git }:
  +{ stdenv, fetchFromGitHub, python2, git }:
   
   let
     name = "stgit-${version}";
  
positive.code: stdenv.mkDerivation {
    inherit name;
  
    src = fetchurl {
      url = "https://github.com/ctmarinas/stgit/archive/v${version}.tar.gz";
      sha256 = "19fk6vw3pgp2a98wpd4j3kyiyll5dy9bi4921wq1mrky0l53mj00";
    };
  
    buildInputs = [ python2 git ];
  
negative.code:   doCheck = false;
    checkTarget = "test";
  
    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;
    };
  }
  