#!/bin/sh
#
# Addapted from http://motoyuki.bsdclub.org/BSD/cvsup.html
#
# This script requires that $BASE/$COL exist and is owned by the user
# ruinning the script.  The $BASE and $COL are specified so there is
# no interference with the hosts regular cvsup usage.

export PATH=/bin:/usr/bin:/usr/local/bin
export LANG=C

SUPFILE=/etc/cvsup/freebsd-supfile
LOCK=/var/spool/lock/freebsd-supfile.lock
LOG=/var/log/cvsup.log
BASE=/etc/cvsup
COL=sup.client
ADMIN="root@cvsup.straycat.dhs.org"
S_HOUR=00
SUPHOST=${SUPHOST:="cvsup3.us.freebsd.org"}

LOG="/var/log/cvsup.log"
NUM_LOGS=6

random_server="no"

if [ x`date "+%H"` = x$S_HOUR ]; then
    SFLAG=
else
    SFLAG=-s
fi

# Create our own lock so cvsup can be run as a non-root user w/o
# directory permission playing.

if [ -f ${LOCK} ]; then
    echo "FreeBSD CVSup lock held by `cat ${LOCK}`" | mail -s "CVSup FreeBSD locked" $ADMIN
    exit 1
else
     echo $$ > ${LOCK}
fi


# Log rotation.  From FreeBSD cvsup-mirror update.sh
for i in $(/usr/bin/jot ${NUM_LOGS} $((${NUM_LOGS}-1)) 0)
do
    test -f ${LOG}.$i.gz && mv -f ${LOG}.$i.gz ${LOG}.$(($i+1)).gz
done

test -f ${LOG}   && mv -f ${LOG}   ${LOG}.0 &&  /usr/bin/gzip -9 ${LOG}.0
exec >${LOG} 2>&1


(
    echo
    echo "========== CVSup $SFLAG started at `date`"
    if ! su -m cvsup -c "/usr/local/bin/cvsup \
	${SFLAG} -h ${SUPHOST} -g -L 2 -r 1 -b ${BASE} \
	-c ${COL} ${SUPFILE}"; then
	tail ${LOG} | mail -s "CVSup FreeBSD failed" ${ADMIN}
    fi
    echo "========== CVSup ${SFLAG} ended at `date`"
) >> ${LOG}

# Clean up after ourself
rm -f ${LOCK}