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