Someone

# cat /var/www/wiki.phpdoctrine.com/mksnapshot.sh
#!/bin/bash
set -e
TEMPDIR=/tmp/$(uuidgen)
trap "rm -rf ${TEMPDIR}" EXIT
mkdir -p ${TEMPDIR}
svn export -q http://doctrine.pengus.net/svn/trunk/lib ${TEMPDIR}/doctrine
tar -czf /var/www/wiki.phpdoctrine.com/htdocs/downloads/doctrine-snapshot-$(date +%Y-%m-%d).tar.gz -C ${TEMPDIR} doctrine
rm /var/www/wiki.phpdoctrine.com/htdocs/downloads/latest-snapshot.tar.gz
ln -s /var/www/wiki.phpdoctrine.com/htdocs/downloads/doctrine-snapshot-$(date +%Y-%m-%d).tar.gz /var/www/wiki.phpdoctrine.com/htdocs/downloads/latest-snapshot.tar.gz
echo $TEMPDIR