if [ -x /usr/bin/update-desktop-database ]; then
  /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
fi
( cd opt/light-firefox-48.0/usr/local/bin ; rm -rf light )
( cd opt/light-firefox-48.0/usr/local/bin ; ln -sf /usr/local/lib/light/light light )
( cd usr/bin ; rm -rf light-firefox )
( cd usr/bin ; ln -sf /opt/light-firefox-48.0/usr/local/lib/light/light-bin light-firefox )
