rsync-media.sh

#!/bin/bash

lockfile=/var/tmp/rsync-media.lock

if ( set -o noclobber; echo "$$" > "$lockfile") 2> /dev/null; then

  trap 'rm -f "$lockfile"; exit $?' INT TERM EXIT

  # begin
  #rsync -Pa -x rsync://ftp.halifax.rwth-aachen.de/ccc/congress/2014/ /srv/ftp/congress/2014
  rsync -Pa rsync://mirror.netcologne.de/CCC/congress/2014/ /srv/ftp/congress/2014/
  # end

  rm -f "$lockfile"
  trap - INT TERM EXIT
else
  /usr/bin/logger -t "$(basename $0)[$$]" "Lock file for pid $(cat $lockfile) exists."
fi