anchor.diff:  , fetchurl
   , gettext
   , glib
  -, gnome-bluetooth_1_0
  +, gnome-bluetooth
   , gnome-desktop
   , gnome-panel
   , gnome-session
  
positive.code: 
      buildInputs = [
        glib
        gnome-bluetooth_1_0
        gnome-desktop
        gsettings-desktop-schemas
        gtk3
  
negative.code:       -Exec=gnome-flashback
        +Exec=$out/bin/gnome-flashback
        END_PATCH
      '';
  
      postInstall = ''
  