post_install() {
  echo "If the application claims there's no graphic support for 3D rendering"
  echo "you can switch to Java3D 1.5 by using:"
  echo "SWEETHOME3D_JAVA3D=1.5 sweethome3d"
  echo "or set the SWEETHOME3D_JAVA3D environment variable in your profile"
}

post_upgrade() {
  post_install $1
}