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 = "runc";
        rev = "2f7393a47307a16f8cee44a37b262e8b81021e3e";
        sha256 = "1s5nfnbinzmcnm8avhvsniz0ihxyva4w5qz1hzzyqdyr0w2scnbj";
      };
      # docker/runc already include these patches / are not applicable
      patches = [];
  
negative.code:     src = fetchFromGitHub {
        owner = "docker";
        repo = "containerd";
        rev = "aa8187dbd3b7ad67d8e5e3a15115d3eef43a7ed1";
        sha256 = "0vidbsgyn77m98kisrqnbykva0zmk1ljprgqhbfp5lw16ac6qj8c";
      };
    });
    docker-tini = tini.overrideAttrs  (oldAttrs: rec {
  