POSTIN

/bin/sh

# update icon themes
touch --no-create /usr/share/icons/hicolor || :
/usr/bin/gtk-update-icon-cache --quiet /usr/share/icons/hicolor || :

POSTUN

/bin/sh

# update icon themes
touch --no-create /usr/share/icons/hicolor || :
/usr/bin/gtk-update-icon-cache --quiet /usr/share/icons/hicolor || :