anchor.diff:    pythonBuildInputs = with python3Packages;
       [ qscintilla-qt5 gdal jinja2 numpy psycopg2
         chardet dateutil pyyaml pytz requests urllib3 pygments pyqt5 sip owslib six ];
  -in stdenv.mkDerivation rec {
  -  version = "3.8.0";
  +in mkDerivation rec {
  +  version = "3.8.3";
     pname = "qgis";
     name = "${pname}-unwrapped-${version}";
   
  
positive.code: { stdenv, lib, fetchFromGitHub, cmake, ninja, flex, bison, proj, geos, xlibsWrapper, sqlite, gsl
  , qwt, fcgi, python3Packages, libspatialindex, libspatialite, postgresql
  , txt2tags, openssl, libzip, hdf5, netcdf, exiv2
  , qtbase, qtwebkit, qtsensors, qca-qt5, qtkeychain, qscintilla, qtserialport, qtxmlpatterns
  
negative.code:     owner = "qgis";
      repo = "QGIS";
      rev = "final-${lib.replaceStrings ["."] ["_"] version}";
      sha256 = "16axjih48qn8ri3p71d8f7k0y3rd05wghmg1fcbyda871b45b2f8";
    };
  
    passthru = {
  