anchor.diff:    src = fetchurl {
       urls = map (n: "${n}.xz") tarballUrls;
       hashOutput = false;
  -    sha256 = "371a592a52d240a6350d4ec6b63cd8301e1fab6dd03388a339a8c7429305afda";
  +    sha256 = "f93e6e6a307d2e953cccafd9f4003c62992628fa508d07586476c953c1655975";
     };
   
     patches = [
  
positive.code:     curl
      expat
      openssl
      pcre
      zlib
    ];
  
  
negative.code:     gnused
    ];
  
    version = "2.14.0";
  
    tarballUrls = [
      "mirror://kernel/software/scm/git/git-${version}.tar"
  