#!/bin/sh

#           archive the ${REP} repository

########
# EXIT #
########

do_exit()
{

Mail -s "CVS run2 backup" kreymer@fnal.gov < ${HOME}/archive/archive.log
mv ${HOME}/archive/archive.log ${HOME}/archive/${REP}/${YEAR}/${DATIME}.log
exit
}

#########
# start #
#########

REP=run2

DATIME=`date +%Y%m%d%H`
YEAR=`date '+%Y'`

TARFILE=/cdf/scratch/cdfcvs/${REP}/${YEAR}/${DATIME}.tar

echo " Enter  `date '+%Y %m %d %H:%M:%S'` "

if [ -r "${HOME}/.shutdown" ]
then
    echo " OOPS, found .shutdown file, quitting "
    do_exit
fi

mkdir -p ${HOME}/archive/${REP}/${YEAR}
if [ -r "${HOME}/archive/${REP}/${YEAR}/${DATIME}.log" ]
then
    echo " OOPS, ${REP} log file already exists, quitting "
    ls -l ${HOME}/archive/${REP}/${YEAR}/${DATIME}.log
    do_exit
fi

########
# size #
########

#  How big are we ?  This also pulls directories into cache
#  Add 100 MBytes for safety

USING=`du -sk ${HOME}/${REP} | cut -f1`
SIZE=`expr ${USING} + 100000`

#echo " OK, used ${USING} " kbytes free disk
echo " "
echo " OK, need ${SIZE} " kbytes free disk

########
# disk #
########

free=`df -k -P /cdf/scratch/cdfcvs | tail -1 | tr -s ' ' | cut -f4 -d' '`

if [ ${free} -gt ${SIZE} ]
then
    echo " OK, have ${free} kbytes free disk "
else
    echo " OOPS , ${free} is less than needed, bailing out "
    do_exit
fi

###########
# tarfile #
###########

if [ -r "${TARFILE}" ]
then
    echo " OOPS , already have ${TARFILE}, bailing out "
    ls -l ${TARFILE}
    do_exit
fi

#######
# tar #
#######

echo "Nightly backups `date '+%Y %m %d %H:%M:%S'` " > ${HOME}/.shutdown

cd ${HOME}

echo " "
echo " Start  `date '+%Y %m %d %H:%M:%S'` "
echo " "
/usr/bin/time -p tar cf ${TARFILE}  \
  .admin   \
  .bashrc  \
  .cvshrc  \
  .forward \
  .k5login \
  .ssh     \
  LOG      \
  archive  \
  ark      \
  bin      \
  crontab.dat \
  cvshlog  \
  ${REP}
  
echo " "
echo " Tarred `date '+%Y %m %d %H:%M:%S'` "

rm ${HOME}/.shutdown

TARF1=`du -sk         ${TARFILE}`

echo " "
/usr/bin/time -p gzip ${TARFILE}
echo " "

TARF2=`du -sk         ${TARFILE}.gz`

echo " Zipped `date '+%Y %m %d %H:%M:%S'` "

echo " "
echo "${TARF1}"
echo "${TARF2}"

do_exit

# 2002 06 24   kreymer

# Added top level files and misc directories