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

# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/periodic.conf ]
then
    . /etc/defaults/periodic.conf
    source_periodic_confs
fi

rc=0

case "$daily_backup_pkgdb_enable" in
    [Yy][Ee][Ss])
	bak="${daily_backup_pkgdb_dir:-/var/backups}"
	bak_file="${bak}/pkgdb.bak.tbz"

	pkg_dbdir=`make -f/usr/share/mk/bsd.port.mk -V PKG_DBDIR 2>/dev/null` ||
	  pkg_dbdir=/var/db/pkg

	if [ ! -d "$bak" ]
	then
	    install -d -o root -g wheel -m 750 $bak || {
		echo '$daily_backup_pkgdb_enable is enabled but' \
		    "$daily_backup_pkgdb_dir doesn't exist" ;
		exit 2 ; }
	fi

	echo ''
	echo 'Backing up package db directory:'

	new_bak_file=`mktemp ${bak_file}-XXXXX`

	if tar -cjHf "${new_bak_file}" "$pkg_dbdir" 2>/dev/null; then
	    chmod 644 "${new_bak_file}"

	    if [ -e "${bak_file}.2" -a -e "${bak_file}" ]; then
		unlink "${bak_file}.2"
		mv "${bak_file}" "${bak_file}.2"
	    fi
	    [ -e "${bak_file}" ] && mv "${bak_file}" "${bak_file}.2"
	    mv "${new_bak_file}" "${bak_file}"
	else
	    rc=3
	fi ;;
esac

exit $rc