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path: root/etc/periodic/daily/210.backup-aliases
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#!/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

case "$daily_backup_aliases_enable" in
    [Yy][Ee][Ss])
	if [ ! -f /etc/mail/aliases ]
	then
	    echo '$daily_backup_aliases_enable is enabled but' \
		"/etc/mail/aliases doesn't exist"
	    rc=2
	else
	    bak=/var/backups
	    rc=0

	    echo ""
	    echo "Backing up mail aliases:"

	    if [ ! -f $bak/aliases.bak ]
	    then
		echo "no $bak/aliases.bak"
		cp -p /etc/mail/aliases $bak/aliases.bak || rc=3
	    fi

	    if ! cmp -s $bak/aliases.bak /etc/mail/aliases
	    then
		[ $rc -lt 1 ] && rc=1
		echo "$host aliases diffs:"
		diff -u $bak/aliases.bak /etc/mail/aliases
		mv $bak/aliases.bak $bak/aliases.bak2
		cp -p /etc/mail/aliases $bak/aliases.bak || rc=3
	    fi
	fi;;

    *)  rc=0;;
esac

exit $rc
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