anchor.diff:    hadoop_3_2 = common rec {
       pname = "hadoop";
       version = "3.2.2";
  -    sha256 = {
  -      x86_64-linux = "1hxq297cqvkfgz2yfdiwa3l28g44i2abv5921k2d6b4pqd33prwp";
  -    };
  +    sha256.x86_64-linux = "1hxq297cqvkfgz2yfdiwa3l28g44i2abv5921k2d6b4pqd33prwp";
       jdk = jdk8_headless;
       # not using native libs because of broken openssl_1_0_2 dependency
       # can be manually overriden
  
positive.code:   hadoop2 = common rec {
      pname = "hadoop";
      version = "2.10.1";
      sha256 = {
        x86_64-linux = "1w31x4bk9f2swnx8qxx0cgwfg8vbpm6cy5lvfnbbpl3rsjhmyg97";
      };
      jdk = jdk8_headless;
    };
  }
  
negative.code:           computers, each of which may be prone to failures.
          '';
          maintainers = with maintainers; [ volth illustris ];
          platforms = attrNames sha256;
        };
      };
  in
  {
  