anchor.diff:    meta = with lib; {
       description = "GTK3 camera application using raw v4l2 and media-requests";
       homepage = "https://sr.ht/~martijnbraam/Megapixels";
  +    changelog = "https://git.sr.ht/~martijnbraam/megapixels/refs/${version}";
       license = licenses.gpl3Only;
       maintainers = with maintainers; [ OPNA2608 ];
       platforms = platforms.linux;
  
positive.code: in
  stdenv.mkDerivation rec {
    pname = "megapixels";
    version = "0.15.0";
  
    src = fetchgit {
      url = "https://git.sr.ht/~martijnbraam/megapixels";
      rev = version;
      sha256 = "1y8irwi8lbjs948j90gpic96dx5wjmwacd41hb3d9vzhkyni2dvb";
    };
  
    nativeBuildInputs = [ meson ninja pkg-config wrapGAppsHook ];
  
negative.code: { stdenv
  , lib
  , fetchFromSourcehut
  , meson
  , ninja
  , pkg-config
  