#! /bin/sh
# postinst script for collectd
#
# 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

. /usr/share/debconf/confmodule

case "$1" in
    configure)
        db_get collectd/auto-migrate-3-4
        if [ "$RET" = "true" ]; then
            tmpdir=`mktemp -dt collectd.XXXXXXXXXX`
            hostname=`hostname`

            if [ -z "$hostname" ]; then hostname="localhost"; fi

            cp -a /var/lib/collectd/ /var/backups/collectd-"$2"
            /usr/lib/collectd/utils/migrate-3-4.px \
                --hostname="$hostname" --outdir="$tmpdir" | bash

            rm -rf /var/lib/collectd/
            mkdir /var/lib/collectd/
            mv $tmpdir /var/lib/collectd/rrd
            chmod 0755 /var/lib/collectd/rrd

            # this is only available on Solaris using libkstat
            rm -f /var/lib/collectd/rrd/$hostname/swap/swap-reserved.rrd
        fi

        db_get collectd/auto-migrate-4-5
        if [ "$RET" = "true" ]; then
            cp -a /var/lib/collectd/ /var/backups/collectd-"$2"
            /usr/lib/collectd/utils/migrate-4-5.px \
                --rrdfilter /usr/lib/collectd/utils/rrd_filter.px \
                --rrdtool /usr/bin/rrdtool \
                --indir /var/lib/collectd/rrd/ | bash
        fi
    ;;

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

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

db_stop

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

# Automatically added by dh_systemd_enable/13.3.4
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 'collectd.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'collectd.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'collectd.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 'collectd.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.3.4
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "/etc/init.d/collectd" ]; then
		update-rc.d collectd defaults 95 >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d collectd $_dh_action || exit 1
	fi
fi
# End automatically added section


exit 0