anchor.diff:  , glib
   , gnome2
   , gtk3
  +, libGL
   , libappindicator-gtk3
   , libdrm
   , libnotify
  
positive.code:       /usr/bin/defaults write com.tinyspeck.slackmacgap SlackNoAutoUpdates -bool YES
      '';
    };
  in if stdenv.isDarwin
    then darwin
    else linux
  
negative.code: { lib
  , stdenv
  , fetchurl
  , dpkg
  , undmg
  