anchor.diff:  
     meta = with lib; {
       homepage = "https://www.siril.org/";
  -    description = "Astronomical image processing tool";
  -    license = licenses.gpl3;
  +    description = "Astrophotographic image processing tool";
  +    license = licenses.gpl3Plus;
       maintainers = with maintainers; [ hjones2199 ];
       platforms = [ "x86_64-linux" ];
     };
  
positive.code: { lib, stdenv, fetchFromGitLab, fetchFromGitHub, pkg-config, meson, ninja,
    git, criterion, wrapGAppsHook, gtk3, libconfig, gnuplot, opencv,
    fftwFloat, cfitsio, gsl, exiv2, curl, librtprocess, ffmpeg,
    libraw, libtiff, libpng, libjpeg, libheif, ffms
  }:
  
  stdenv.mkDerivation rec {
    pname = "siril";
    version = "0.99.6";
  
    src = fetchFromGitLab {
      owner = "free-astro";
      repo = pname;
      rev = version;
      sha256 = "06vh8x45gv0gwlnqjwxglf12jmpdaxkiv5sixkqh20420wabx3ha";
    };
  
    nativeBuildInputs = [
  
negative.code:   ];
  
    buildInputs = [
      gtk3 cfitsio gsl exiv2 gnuplot opencv fftwFloat librtprocess wcslib
      libconfig libraw libtiff libpng libjpeg libheif ffms ffmpeg json-glib
    ];
  
    # Necessary because project uses default build dir for flatpaks/snaps
  