anchor.diff:    meta = with lib; {
       description = "Native Linux Design application built in Vala and GTK";
       homepage = "https://github.com/akiraux/Akira";
  -    license = licenses.gpl3;
  +    license = licenses.gpl3Plus;
       maintainers = with maintainers; [ Br1ght0ne neonfuz ] ++ pantheon.maintainers;
       platforms = platforms.linux;
     };
  
positive.code:   buildInputs = [
      cairo
      glib
      goocanvas2
      pantheon.granite
      gtk3
      gtksourceview3
  
negative.code: , wrapGAppsHook
  , cairo
  , glib
  , goocanvas3
  , gtk3
  , gtksourceview3
  , json-glib
  , libarchive
  , libgee
  , libxml2
  }:
  
  stdenv.mkDerivation rec {
    pname = "akira";
    version = "0.0.14";
  
    src = fetchFromGitHub {
      owner = "akiraux";
      repo = "Akira";
      rev = "v${version}";
      sha256 = "1zbb2bsc6v2rwrbigbkgrzfjmlj96s3ri73zbdcyqg4p08v1w4l6";
    };
  
    nativeBuildInputs = [
  