#! /bin/sh

set -e

prevver="$2"

initperms() {
	chown munin:adm /var/log/munin
	chmod 755 /var/log/munin

	chown root:munin /etc/munin/plugin-conf.d
	chmod 750 /etc/munin/plugin-conf.d
}

# create symlinks below /etc/munin/plugins/ for all plugins reporting "yes" via "autoconf"
init_plugins() {
	TMPFILE=$(mktemp /tmp/munin-node.configure.XXXXXXXXXX)
	TMPFILE_STDERR=$(mktemp /tmp/munin-node.configure.err.XXXXXXXXXX)
	MUNIN_NODE_CONF_LOG="/var/log/munin/munin-node-configure.log"
	if [ -n "$prevver" ]; then
		MUNIN_NODE_CMD="munin-node-configure --shell --newer '${prevver%-*}'"
		echo -n "Initializing new plugins.."
	else
		MUNIN_NODE_CMD="munin-node-configure --shell"
		echo -n "Initializing plugins.."
	fi

	# munin-node-conf returns 1 in case of partial plugin autoconf
	# errors. We need to ignore these errors as even one plugin
	# can fail the entire process. See Debian bug #539886 for details.
	$MUNIN_NODE_CMD 2>"$TMPFILE_STDERR" >"$TMPFILE" || true
	# log the details
	{
		echo "$(date '+%b %d %T') - Starting $MUNIN_NODE_CMD"
		cat "$TMPFILE"
		if [ -s "$TMPFILE_STDERR" ]; then
			echo "The following errors were reported by $MUNIN_NODE_CMD"
			cat "$TMPFILE_STDERR"
		fi
	} >>"$MUNIN_NODE_CONF_LOG"
	# create the symlinks for new plugins
	sh <"$TMPFILE"
	echo "done."
	rm -f "$TMPFILE" "$TMPFILE_STDERR"
}

case "$1" in
	configure)
		if [ -z "$2" ]; then
			initperms
		fi
		init_plugins
		;;
        triggered)
		if [ "$2" = "perl-major-upgrade" ]; then
			invoke-rc.d munin-node restart
		fi
		;;
esac

# Automatically added by dh_installtmpfiles/13.14.1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "$(command -v systemd-tmpfiles)" ]; then
		systemd-tmpfiles ${DPKG_ROOT:+--root="$DPKG_ROOT"} --create munin-node.conf || true
	fi
fi
# End automatically added section
# Automatically added by dh_installdeb/13.14.1
dpkg-maintscript-helper rm_conffile /etc/init/munin-node.conf 2.0.49-2\~ -- "$@"
# End automatically added section
# Automatically added by dh_installinit/13.14.1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "${DPKG_ROOT:-}" ] && [ -x "/etc/init.d/munin-node" ]; then
		update-rc.d munin-node defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native munin-node $_dh_action || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.14.1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'munin-node.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'munin-node.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'munin-node.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 'munin-node.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.14.1
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 'munin-node.service' >/dev/null || true
	fi
fi
# End automatically added section