#!/bin/sh -
#
# $FreeBSD$
#

if [ -r /etc/defaults/periodic.conf ]; then
	. /etc/defaults/periodic.conf
	source_periodic_confs
fi

# On 9.x or lower, 490.status-pkg-changes exists in the base system,
# but using the old pkg_tools commands.  Unfortunately it uses the
# same configuration variables, so allow the setting of 
# $daily_status_pkgng_changes_enable to turn on this script without
# enabling the pkg_tools equivalent

case "$daily_status_pkgng_changes_enable" in
        [Yy][Ee][Ss])
	daily_status_pkg_changes_enable="$daily_status_pkgng_changes_enable"
	;;
esac

case "$daily_status_pkg_changes_enable" in
	[Yy][Ee][Ss])
	pkgcmd=/usr/local/sbin/pkg

	echo
	echo 'Changes in installed packages:'

	if ! ${pkgcmd} -N >/dev/null 2>&1 ; then
		echo 'status-pkg-changes is enabled but pkg is not used'
		rc=2
	else
		bak=/var/backups
		rc=0

		[ -r $bak/pkg.bak ] && mv -f $bak/pkg.bak $bak/pkg.bak2
		${pkgcmd} info > $bak/pkg.bak

		cmp -sz $bak/pkg.bak $bak/pkg.bak2
		if [ $? -eq 1 ]; then
			diff -U 0 $bak/pkg.bak2 $bak/pkg.bak | \
			grep '^[-+][^-+]' | sort -k 1.2
		fi
	fi
	;;
	*)
	rc=0
	;;
esac

exit $rc