#!/bin/sh

lockfile="/tmp/duplicacy.lock"
LOGFILE="/var/log/duplicacy/duplicacy_$(date +%Y%m%d-%H%M%S).log"

if [ -e ${lockfile} ] && kill -0 `cat ${lockfile}`; then
        echo "duplicacy backup already running" >> ${LOGFILE}
        exit
fi

# make sure the lockfile is removed when we exit and then claim it
trap "rm -f ${lockfile}; exit" INT TERM EXIT
echo $$ > ${lockfile}

# run the backup
cd /
duplicacy -verbose -log backup -stats >> ${LOGFILE} 2>&1

# compress the logs
gzip $(dirname ${LOGFILE})/*.log

# clean up lockfile
rm -f ${lockfile}