anchor.diff:        mathutil
         strutil
       ];
  +    postPatch = ''
  +      rm -r vendored
  +      sed -i 's,github.com/cznic/ql/vendored/,,' file.go
  +    '';
       date = "2018-02-28";
     };
   
  
positive.code:       dns
        ewma
        godaemon
        go-immutable-radix
        go-minisign
        go-systemd
  
negative.code: 
      excludedPackages = "\\(test\\|benchmark\\|example\\|bridge\\)";
      meta.useUnstable = true;
      date = "2018-03-17";
    };
  
    etcd_client = etcd.override {
  