#!/bin/sh
# postrm script 
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postrm> `remove'
#        * <old-postrm> `upgrade' <new-version>
#        * <new-postrm> `failed-upgrade' <old-version>
#        * <conflictor's-postrm> `remove' `in-favour' <package> <new-version>
#        * <deconfigured's-postrm> `deconfigure' `in-favour'
#          <package-being-installed> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

oem_divert_create()
{
    if [ -e /cdrom/bto.xml ] ; then
		revision=`awk -F "[<>]" '/<revision>/{print $3}' /cdrom/bto.xml`
		platform=`awk -F "[<>]" '/<platform>/{print $3}' /cdrom/bto.xml`
        codename=`lsb_release -cs`
        case "${codename}" in
            "bionic")
                DIVERT_TARGET="/etc/lsb-release"
                KEYWORD="DISTRIB_DESCRIPTION"
            ;;
            "focal")
                DIVERT_TARGET="/usr/lib/os-release"
                KEYWORD="PRETTY_NAME"
            ;;
            *)
                exit 0
            ;;
        esac

		dpkg-divert --package oem-release --divert ${DIVERT_TARGET}.oem-release --rename ${DIVERT_TARGET}
		sed -e "s/\(${KEYWORD}.*\)\"/\1 \($platform $revision\)\"/g" ${DIVERT_TARGET}.oem-release >> ${DIVERT_TARGET}
	fi
}

oem_divert_remove()
{
    if [ "`dpkg-divert --list oem-release`" != "" ] ; then
        codename=`lsb_release -cs`
        case "${codename}" in
            "bionic")
                DIVERT_TARGET="/etc/lsb-release"
            ;;
            "focal")
                DIVERT_TARGET="/usr/lib/os-release"
            ;;
            *)
                exit 0
            ;;
        esac
		rm ${DIVERT_TARGET}
		dpkg-divert --package oem-release --rename --remove ${DIVERT_TARGET}
	fi
}

case "$1" in
    purge|remove|upgrade)
        oem_divert_remove
    ;;

    failed-upgrade|abort-install|abort-upgrade|disappear)
    ;;

    *)
        echo "postrm 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
