#!/bin/sh
REPOS="http://dzen.googlecode.com/svn/trunk/"

# Revison is ${1} when given
REVISION=${1:-$(date +%Y%m%d)}
VERSION=${2:-0.8.5}
NAME="${0%-tarball}-${VERSION}-${REVISION}"

echo USAGE: "${0} [DATE]"
echo "Creates a tarball with the sources from DATE"
echo "Format of DATE: YYYY-MM-DD"
echo "Default is today"
echo

echo Using revision ${REVISION}

if [[ ! -e ${NAME} && ! -e ${NAME}.tar.gz ]]
then
	svn export -r "{${REVISION}}" ${REPOS} ${NAME} || \
        (echo "svn export did not work, maybe wrong date format?" && exit 1)
	
	tar czvf ${NAME}.tar.gz ${NAME}
	rm -rf ${NAME}
else
	echo "${NAME}(.tar.gz) does already exist"
fi