POSTUN

/bin/sh

if [ $1 -eq 0 ]; then
  alternatives --remove zlibrary-ui \
    /usr/lib/zlibrary/ui/zlui-qt4.so
fi
exit 0

POSTTRANS

/bin/sh

alternatives \
  --install \
  /usr/lib/zlibrary/ui/zlui-active.so \
  zlibrary-ui \
  /usr/lib/zlibrary/ui/zlui-qt4.so \
  1