1#!/bin/sh
2#
3# $FreeBSD: src/etc/periodic/daily/210.backup-aliases,v 1.3.2.3 2000/09/20 02:46:15 jkh Exp $
4# $DragonFly: src/etc/periodic/daily/210.backup-aliases,v 1.2 2003/06/17 04:24:48 dillon Exp $
5#
6
7# If there is a global system configuration file, suck it in.
8#
9if [ -r /etc/defaults/periodic.conf ]
10then
11    . /etc/defaults/periodic.conf
12    source_periodic_confs
13fi
14
15case "$daily_backup_aliases_enable" in
16    [Yy][Ee][Ss])
17	if [ ! -f /etc/mail/aliases ]
18	then
19	    echo '$daily_backup_aliases_enable is enabled but' \
20		"/etc/mail/aliases doesn't exist"
21	    rc=2
22	else
23	    bak=/var/backups
24	    rc=0
25
26	    echo ""
27	    echo "Backing up mail aliases:"
28
29	    if [ ! -f $bak/aliases.bak ]
30	    then
31		echo "no $bak/aliases.bak"
32		cp -p /etc/mail/aliases $bak/aliases.bak || rc=3
33	    fi
34
35	    if ! cmp -s $bak/aliases.bak /etc/mail/aliases
36	    then
37		[ $rc -lt 1 ] && rc=1
38		echo "$host aliases diffs:"
39		diff -u $bak/aliases.bak /etc/mail/aliases
40		mv $bak/aliases.bak $bak/aliases.bak2
41		cp -p /etc/mail/aliases $bak/aliases.bak || rc=3
42	    fi
43	fi;;
44
45    *)  rc=0;;
46esac
47
48exit $rc
49