#!/bin/sh

set -e

case $# in
2) URL=$1
   TARFILE=$2 ;;
*) echo "usage: svntotbz2 URL tarfile"
   echo "  e.g. svntotbz2 http://svn.example.com/foo/tags/1.1 foo-1.1.tbz2"
   exit 1
   ;;
esac

TMPDIR=/tmp

STEM=`basename $TARFILE .tbz2`
EXPORTDIR="${TMPDIR}/${STEM}"
TMPTAR="${TMPDIR}/svntotbz2.$$.tbz2"

pushd $TMPDIR
svn export $URL $STEM
tar cjf $TMPTAR $STEM
rm -r $STEM
popd

mv $TMPTAR $TARFILE