anchor.diff:  stdenv.mkDerivation rec {
     name = "eog-${version}";
     versionMajor = "3.18";
  -  versionMinor = "1";
  +  versionMinor = "2";
     version = "${versionMajor}.${versionMinor}";
   
     src = fetchurl {
       url = "mirror://gnome/sources/eog/${versionMajor}/${name}.tar.xz";
  -    sha256 = "19wkawrcwjjcvlmizkj57qycnbgizhr8ck3j5qg70605d1xb8yvv";
  +    sha256 = "0dp6kxs4yl8sd0l6qbr874pdzi4rfmp5izk169q15bacfpiicbfw";
     };
   
     nativeBuildInputs = [
  
positive.code:   buildInputs = [
      adwaita-icon-theme
      atk
      exempi
      gdk-pixbuf
      glib
  
negative.code:     wrapProgram $out/bin/eog \
        --set 'GDK_PIXBUF_MODULE_FILE' "$GDK_PIXBUF_MODULE_FILE" \
        --set 'GSETTINGS_BACKEND' 'dconf' \
        --prefix 'GIO_EXTRA_MODULES' : "$GIO_EXTRA_MODULES" \
        --prefix 'GI_TYPELIB_PATH' : "$GI_TYPELIB_PATH" \
        --prefix 'XDG_DATA_DIRS' : "$GSETTINGS_SCHEMAS_PATH" \
        --prefix 'XDG_DATA_DIRS' : "$out/share" \
  