#!/bin/sh

USAGE="Usage: $0 <path> <svn_revision> <version>
  * <path> is relative to the SVN root (eg: branches/dspace-1_4_x/dspace)
  * <svn_revision> is the revision you want to build the release from
  * <version> is the version number to release as (eg: 1.4.2)
Example:
./make-release-package branches/dspace-1_4_x/dspace 1795 1.4.2"

SVN="svn"
SVN_BASE_URL="https://dspace.svn.sourceforge.net/svnroot/dspace"

# Check we have required command-line arguments
if [ "$#" != "3" ]; then
	echo "${USAGE}"
	exit 1
fi

mkdir tmp

if [ $? -eq 1 ]; then
	# If mkdir failed, then tmp/ already exists, and we don't want to overwrite
	# anything in there.
	exit 1
fi

cd tmp
FILENAME="dspace-$3-source"

echo "Checking out core code..."
$SVN export -r $2 "$SVN_BASE_URL/$1" dspace

if [ $? -eq 1 ] || [ ! -d "dspace" ]; then
	# SVN export failed
	echo "SVN export failed. Check your path & revision number and try again."
	cd ..
	rmdir tmp
	exit 1
fi

if [ ! -f "dspace/make-release-package" ]; then
	cat <<-EOF
	ERROR: The file dspace/make-release-package doesn't exist. There must have
	been a problem with the export. Check the contents of tmp/ to find out what
	the problem was.
	EOF
	exit 1
else
	# Don't need to include this script!
	rm -f dspace/make-release-package
fi

echo "Creating tarball..."
mv dspace $FILENAME

tar czf $FILENAME.tgz $FILENAME
tar cjf $FILENAME.tbz2 $FILENAME
zip -r $FILENAME.zip $FILENAME

echo "Cleaning up..."

cd ..
mv tmp/$FILENAME.* .
rm -r tmp

echo "Packages created:
  * $FILENAME.tgz
  * $FILENAME.tbz2
  * $FILENAME.zip"