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#!/bin/bash
LOCKFILE=/var/lock/makewhatis.lock
# the lockfile is not meant to be perfect, it's just in case the
# two makewhatis cron scripts get run close to each other to keep
# them from stepping on each other's toes. The worst that will
# happen is that they will temporarily corrupt the database...
[ -f $LOCKFILE ] && exit 0
# if MAKEWHATISDBUPDATES variable is set to "n" or "N", then the
# update will not passed
MDU=`sed -n -e 's/^[[:blank:]]*MAKEWHATISDBUPDATES[[:blank:]]*\(.\)[[:blank:]]*$/\1/p' < /etc/man.config`
([ "$MDU" == "n" ] || [ "$MDU" == "N" ]) && exit 0
trap "{ rm -f $LOCKFILE ; exit 255; }" EXIT
touch $LOCKFILE
# Rebuild the database if makewhatis was since last full run,
# otherwise just update with new pages
if [ ! -f /var/cache/man/whatis ] ||
find /usr/sbin/makewhatis -newer /var/cache/man/whatis |grep -q .
then
makewhatis -w
else
makewhatis -U -w
fi
exit 0