cronupdate

#! /bin/sh
#
#
#
PATH=/bin:/usr/bin
progname=$(basename $0)

#### ligne à modifier a sa convenance
SITE_CRONTAB=/site/etc/crontab.local
if [ ! -f $SITE_CRONTAB ] ; then
    echo "$SITE_CRONTAB not found, aborting" >&2
    exit 1
fi
preview=0
diff=0
while getopts :pd OPT; do
    case $OPT in
        p)
            preview=1
            ;;
        d)
            diff=1
            ;;
        *)
            echo >&2 "usage: $progname [-p] [-d]"
            exit 2
    esac
done
shift `expr $OPTIND - 1`
OPTIND=1

CRONTAB=/etc/crontab

new_crontab=/tmp/crontab.new.$$

tag="Site custom part"
start_tag="START $tag"
end_tag="END $tag"


trap "/bin/rm -f $new_crontab" EXIT
(
    echo "# $start_tag"
    cat $SITE_CRONTAB
    echo "# $end_tag"
    sed -e "/$start_tag/,/$end_tag/d" $CRONTAB
) | sed -e '/^ *$/d' >$new_crontab

[ $preview -eq 1 ]   && exec cat $new_crontab 2>&1
[ $diff -eq 1 ]   && exec diff -t $CRONTAB $new_crontab

if cmp -s $CRONTAB $new_crontab  ;then
    echo "no changes" >&2
    exit
fi

#       backup
cp -p $CRONTAB  $CRONTAB.prev
#       apply
cat $new_crontab > $CRONTAB
#       restart
cd /tmp
for action in stop start
do
    env - /usr/syno/etc/rc.d/S04crond.sh $action
done