#!/bin/sh
#
# $Header: /home/cvsroot/gentoo-x86/sys-apps/cronbase/files/run-crons,v 1.9 2003/11/19 06:31:23 prez Exp $
#
# 23 Jun 2002; Jon Nelson <jnelson@gentoo.org> run-crons:
#
# fixed a race condition, where cron jobs and run-crons wanted to delete
# touch files
#
# 20 Apr 2002; Thilo Bangert <bangert@gentoo.org> run-crons:
#
# moved lastrun directory to /var/spool/cron/lastrun
#
# Author: Achim Gottinger <achim@gentoo.org>
#
# Mostly copied from SuSE
#
# this script looks into /etc/cron.[hourly|daily|weekly|monthly]
# for scripts to be executed. The info about last run is stored in
# /var/spool/cron/lastrun

LOCKDIR=/var/spool/cron/lastrun
LOCKFILE=${LOCKDIR}/lock

mkdir -p ${LOCKDIR}

# Make sure its not running multiple instances at once.
if cronpid=`cat ${LOCKFILE} 2>/dev/null`
then
    if `kill -0 $cronpid >/dev/null 2>&1`
    then
        exit 0
    fi
fi

echo "$$" > ${LOCKFILE}

for BASE in hourly daily weekly monthly
do
    CRONDIR=/etc/cron.${BASE}

    test -d $CRONDIR || continue

    if [ -e ${LOCKDIR}/cron.$BASE ]
    then
        case $BASE in
            hourly)
            #>= 1 hour, 5 min -=> +65 min
            TIME="-cmin +65" ;;
            daily)
            #>= 1 day, 5 min -=> +1445 min
            TIME="-cmin +1445"  ;;
            weekly)
            #>= 1 week, 5 min -=> +10085 min
            TIME="-cmin +10085"  ;;
            monthly)
            #>= 31 days, 5 min -=> +44645 min
            TIME="-cmin +44645" ;;
        esac
        find ${LOCKDIR} -name cron.$BASE $TIME -exec rm {} \;
    fi

    # if there is no touch file, make one then run the scripts
    if [ ! -f ${LOCKDIR}/cron.$BASE ]
    then
        touch ${LOCKDIR}/cron.$BASE

        set +e
        for SCRIPT in $CRONDIR/*
        do
            [ -d $SCRIPT ] && continue
            if [ -x $SCRIPT ]; then
                $SCRIPT
            fi
        done
    fi
done

# Remove lock, we're done.
rm -f ${LOCKFILE}

touch ${LOCKDIR}
find ${LOCKDIR} -newer ${LOCKDIR} -exec /bin/rm -f {} \;