anchor.diff:  
   buildGoPackage rec {
     name = "gocode-gomod-unstable-${version}";
  -  version = "2018-10-16";
  -  rev = "12640289f65065d652cc942ffa01a52bece1dd53";
  +  version = "2019-02-12";
  +  rev = "8cc90faaf4765d16de060350da41eadccc1a15d1";
   
     goPackagePath = "github.com/stamblerre/gocode";
   
  
positive.code: 
      owner = "stamblerre";
      repo = "gocode";
      sha256 = "1avv0b5p2l8pv38m5gg97k57ndr5k9yy0rfkmmwjq96pa221hs1q";
    };
  
    goDeps = ./deps.nix;
  
negative.code:     homepage = https://github.com/stamblerre/gocode;
      license = licenses.mit;
      platforms = platforms.all;
      maintainers = with maintainers; [ kalbasit rvolosatovs ];
    };
  }
  