anchor.diff:    };
   
     nativeBuildInputs = [
  -    gobject-introspection
       meson
       ninja
       pkgconfig
  
positive.code:   ];
  
    postPatch = ''
      chmod +x ./meson/post_install.py
      patchShebangs ./meson/post_install.py
    '';
  
    meta = with stdenv.lib; {
      description = "Simple Mastodon client designed for elementary OS";
      homepage    = https://github.com/bleakgrey/tootle;
      license     = licenses.gpl3;
      maintainers = with maintainers; [ dtzWill ];
    };
  }
  
negative.code: { stdenv
  , fetchFromGitHub
  , fetchpatch
  , vala
  , meson
  , ninja
  , pkgconfig
  , python3
  , libgee
  , gsettings-desktop-schemas
  , gnome3
  , pantheon
  , wrapGAppsHook
  , gtk3
  , json-glib
  , glib
  , glib-networking
  }:
  
  stdenv.mkDerivation rec {
    pname = "tootle";
    version = "0.2.0";
  
    src = fetchFromGitHub {
      owner = "bleakgrey";
  