#!/bin/bash

# https://stackoverflow.com/a/185473/1388019

lockfile="/tmp/duplicacy.lock"
LOGFILE="/var/log/duplicacy/plexmediaserverMetadata_$(/bin/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 /var/lib/plexmediaserver/Library/Application\ Support/Plex\ Media\ Server
/bin/duplicacy -verbose -log backup -stats >> ${LOGFILE} 2>&1

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

# clean up lockfile
rm -f ${lockfile}