anchor.diff:  
   stdenv.mkDerivation rec {
     name = "docker-${version}";
  -  version = "1.13.0";
  -  rev = "49bf474"; # should match the version commit
  +  version = "1.13.1";
  +  rev = "092cba3"; # should match the version commit
   
     src = fetchFromGitHub {
       owner = "docker";
       repo = "docker";
       rev = "v${version}";
  -    sha256 = "03b181xiqgnwanc567w9p6rbdgdvrfv0lk4r7b604ksm0fr4cz23";
  +    sha256 = "0l9kjibnpwcgk844sibxk9ppyqniw9r0np1mzp95f8f461jb0iar";
     };
   
     docker-runc = runc.overrideAttrs (oldAttrs: rec {
  
positive.code:     src = fetchFromGitHub {
        owner = "docker";
        repo = "containerd";
        rev = "03e5862ec0d8d3b3f750e19fca3ee367e13c090e";
        sha256 = "184sd9dwkcba3zhxnz9grw8p81x05977p36cif2dgkhjdhv12map";
      };
    });
    docker-tini = tini.overrideAttrs  (oldAttrs: rec {
  
negative.code:     src = fetchFromGitHub {
        owner = "docker";
        repo = "runc";
        rev = "9df8b306d01f59d3a8029be411de015b7304dd8f";
        sha256 = "1yvrk1w2409b90gk55k72z7l3jlkj682x4h3b7004mkl9bhscqd9";
      };
      # docker/runc already include these patches / are not applicable
      patches = [];
  