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#!/bin/sh
# postinst script for open5gs-pgw
#
# 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 http://www.debian.org/doc/debian-policy/ or
# the debian-policy package


case "$1" in
    configure)
    if test "x`sysctl -n net.ipv6.conf.all.disable_ipv6`" = x1; then
        echo "net.ipv6.conf.all.disable_ipv6=0" > /etc/sysctl.d/30-open5gs.conf
        sysctl -p /etc/sysctl.d/30-open5gs.conf
    fi
    if test "x`systemctl is-enabled systemd-networkd`" = xdisabled; then
        systemctl enable systemd-networkd
    fi
    if test -d "/run/systemd"; then
        deb-systemd-invoke restart systemd-networkd
    fi
    if test -f /etc/sysctl.d/30-open5gs.conf && grep "ogstun" /proc/net/dev > /dev/null; then
        echo "net.ipv6.conf.ogstun.disable_ipv6=0" > /etc/sysctl.d/30-open5gs.conf
        sysctl -p /etc/sysctl.d/30-open5gs.conf
    fi
    ;;

    abort-upgrade|abort-remove|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