anchor.diff:      };
     };
   in stdenv.mkDerivation rec {
  -  name = "guix-0.2";
  +  name = "guix-0.3";
   
     src = fetchurl {
       url = "ftp://alpha.gnu.org/gnu/guix/${name}.tar.gz";
  -    sha256 = "140y0ywbgl6vxl4nwswz4vim2wwdiajxlksj24lnv40aw5hyvifr";
  +    sha256 = "0xpfdmlfkkpmgrb8lpaqs5wxx31m4jslajs6b9waz5wp91zk7fix";
     };
   
     configureFlags =
  
positive.code: 
        In addition to standard package management features, Guix supports
        transactional upgrades and roll-backs, unprivileged package management,
        per-user profiles, and garbage collection. 
  
        It provides Guile Scheme APIs, including high-level embedded
        domain-specific languages (EDSLs), to describe how packages are built
  
negative.code:     license = "GPLv3+";
  
      maintainers = [ stdenv.lib.maintainers.ludo ];
      platforms = stdenv.lib.platforms.linux;
  
      homepage = http://www.gnu.org/software/guix;
    };
  