#!/bin/sh

set -e

# This script can be called in the following ways:
#
# After the package was installed:
#	<postinst> configure <old-version>
#
#
# If prerm fails during upgrade or fails on failed upgrade:
#	<old-postinst> abort-upgrade <new-version>
#
# If prerm fails during deconfiguration of a package:
#	<postinst> abort-deconfigure in-favour <new-package> <version>
#	           removing <old-package> <version>
#
# If prerm fails during replacement due to conflict:
#	<postinst> abort-remove in-favour <new-package> <version>

case "$1" in
    configure)
        # request a reboot (NM tears down interfaces on restart
        # which is not the way we want to go)
        [ -x /usr/share/update-notifier/notify-reboot-required ] && \
            /usr/share/update-notifier/notify-reboot-required

        update-rc.d -f NetworkManager remove >/dev/null

        if [ -x "/etc/init.d/dbus" ]; then
            invoke-rc.d dbus force-reload || true
        fi

        # This directory can contain sensitive data and should not be world-readable
        chmod 0700 /var/lib/NetworkManager

        NIF=/etc/network/interfaces
        if [ -z "$2" ] && [ -f $NIF ]; then
            ifaces=`grep -v '^#' $NIF | awk '/iface/ {print $2}' | sort -u | sed -e 's/lo//' -e '/^$/d' -e 's/^/- /'`
            if [ -n "$ifaces" ]; then
                echo "" 1>&2
                echo "The following network interfaces were found in $NIF" 1>&2
                echo "which means they are currently configured by ifupdown:" 1>&2
                echo "$ifaces" 1>&2
                echo "If you want to manage those interfaces with NetworkManager instead" 1>&2
                echo "remove their configuration from $NIF." 1>&2
                echo "" 1>&2
            fi
        fi

        # Fix up existing /etc/resolv.conf symlinks after the migration to /run
        if dpkg --compare-versions "$2" lt-nl "1.8.0-4"; then
            if [ "$(readlink /etc/resolv.conf)" = /var/run/NetworkManager/resolv.conf ] ; then
                ln -sf  /run/NetworkManager/resolv.conf /etc/resolv.conf
            fi
        fi

	if dpkg --compare-versions "$2" le-nl "9999"; then
		mkdir -p /etc/NetworkManager/conf.d || true
		# for old versions, override the global config with a null config,
		# but only if the netplan config has not been modified by an user.
		if find /etc/netplan -name "*.yaml" | wc -l | grep -qc 0; then
			touch /etc/NetworkManager/conf.d/10-globally-managed-devices.conf
		fi
	fi

        if dpkg --compare-versions "$2" lt-nl "1.20.4-2"; then
            if [ -f /var/lib/NetworkManager/secret_key ]; then
                chmod 0600 /var/lib/NetworkManager/secret_key
            fi
        fi
        ;;

    abort-upgrade|abort-deconfigure|abort-remove)
        ;;

    *)
        echo "$0 called with unknown argument \`$1'" 1>&2
        exit 1
        ;;
esac

# Automatically added by dh_installdeb/12.10ubuntu1
dpkg-maintscript-helper mv_conffile /etc/NetworkManager/dispatcher.d/01ifupdown /etc/NetworkManager/dispatcher.d/01-ifupdown 1.8.0-5\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/dbus-1/system.d/nm-dispatcher.conf 1.14.4-4\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/dbus-1/system.d/org.freedesktop.NetworkManager.conf 1.14.4-4\~ -- "$@"
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'NetworkManager-dispatcher.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'NetworkManager-dispatcher.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'NetworkManager-dispatcher.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'NetworkManager-dispatcher.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'NetworkManager-wait-online.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'NetworkManager-wait-online.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'NetworkManager-wait-online.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'NetworkManager-wait-online.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			deb-systemd-invoke try-restart 'NetworkManager-dispatcher.service' 'NetworkManager-wait-online.service' >/dev/null || true
		fi
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'NetworkManager.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'NetworkManager.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'NetworkManager.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'NetworkManager.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'NetworkManager.service' >/dev/null || true
	fi
fi
# End automatically added section