PREIN

/bin/sh

if [ $1 -gt 1 ]; then
    # Upgrade => deregister old extension
    unopkg remove --shared org.openoffice.legacy.writer2latex.uno.pkg -env:JFW_PLUGIN_DO_NOT_CHECK_ACCESSIBILITY=1 > /dev/null 2>&1 || :
fi

PREUN

/bin/sh

if [ $1 -eq 0 ]; then
    # not upgrading => deregister
    unopkg remove --shared org.openoffice.legacy.writer2latex.uno.pkg -env:JFW_PLUGIN_DO_NOT_CHECK_ACCESSIBILITY=1 || :
fi

POSTIN

/bin/sh

    # register extension
    unopkg add --shared --link /usr/share/writer2latex.uno.pkg -env:JFW_PLUGIN_DO_NOT_CHECK_ACCESSIBILITY=1 || :

POSTUN

/bin/sh

    # clear disk cache
    unopkg list --shared -env:JFW_PLUGIN_DO_NOT_CHECK_ACCESSIBILITY=1 > /dev/null 2>&1 || :