#!/bin/sh
#

set -e

OTF_VERSION=00302-4
OTF_ALT_NAME=otf-japanese-gothic
OTF_FONT_ENTRY=/usr/share/fonts/opentype/ipafont/ipag.otf

CHECK_VERSION=00303-5
OLD_ALT_NAME=ttf-japanese-gothic
FONT_ENTRY=$OTF_FONT_ENTRY
OLD_FONT_ENTRY=/usr/share/fonts/opentype/ipafont/ipag.ttf


case "$1" in
install|upgrade)
    if dpkg --compare-versions "$2" lt-nl "$OTF_VERSION"; then
        # remove old alternative otf symlinks.
        update-alternatives --remove $OTF_ALT_NAME.otf $OTF_FONT_ENTRY
    fi

    if dpkg --compare-versions "$2" lt-nl "$CHECK_VERSION"; then
        if [ -d /usr/share/fonts/opentype/fonts-ipafont-gothic ]; then
          update-alternatives --remove $OLD_ALT_NAME.ttf /usr/share/fonts/opentype/fonts-ipafont-gothic/ipag.ttf
        else
          update-alternatives --remove $OLD_ALT_NAME.ttf $FONT_ENTRY
        fi
    fi

    # do this on new installations, too, as these could be "upgrades"
    # from otf-ipafont-gothic
    if dpkg --compare-versions "$2" lt "00303-10.1~" ; then
        update-alternatives --remove $OLD_ALT_NAME.ttf $OLD_FONT_ENTRY
    fi

esac



exit 0