#!/bin/sh
# postinst script for lliurex-dgti-defaults-configs
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see https://www.debian.org/doc/debian-policy/ or
# the debian-policy package

package='lliurex-dgti-defaults-configs'

divert_file()
{
    file=$1
    theirfile=$2
    if ! LC_ALL=C dpkg-divert --list "$package" | \
        grep -xFq "diversion of $file to $theirfile by $package"; then
        dpkg-divert --divert "$theirfile" --rename --package "$package" --add "$file"
    fi
}


case "$1" in
    configure | abort-remove )
	divert_file /usr/bin/firefox /usr/bin/firefox-latest
	divert_file /usr/share/applications/firefox-esr.desktop /usr/share/applications/firefox-esr.desktop.diverted
	divert_file /opt/firefox-esr/defaults/pref/lliurex-default.js /opt/firefox-esr/defaults/pref/lliurex-default.js.diverted
	if [ ! -e '/usr/bin/firefox' ]; then
		ln -s /opt/firefox-esr/firefoxESR /usr/bin/firefox
	fi

	alternative=$(readlink -f /etc/alternatives/java)
	oracle_value='/usr/lib/jvm/java-8-oracle/jre/bin/java'
	if [ '$alternative' != $oracle_value ]; then
		update-alternatives --set java $oracle_value
	fi
	alternative=$(readlink -f /etc/alternatives/mozilla-javaplugin.so)
	oracle_value='/usr/lib/jvm/java-8-oracle/jre/lib/amd64/libnpjp2.so'
	if [ '$alternative' != $oracle_value ]; then
		update-alternatives --set mozilla-javaplugin.so $oracle_value
	fi
	alternative=$(readlink -f /etc/alternatives/javaws)
	oracle_value='/usr/lib/jvm/java-8-oracle/jre/bin/javaws'
	if [ '$alternative' != $oracle_value ]; then
		update-alternatives --set javaws $oracle_value
	fi
    ;;

    abort-upgrade|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0