#!/bin/bash

RELEASE_BUILDDIR=${RELEASE_BUILDDIR:-/var/tmp/portage-release}
SOURCE_DIR=${RELEASE_BUILDDIR}/checkout
BRANCH=${BRANCH:-trunk}
REPOSITORY=svn+ssh://cvs.gentoo.org/var/svnroot/portage/main/${BRANCH}

die() {
	echo $@
	exit 1
}

[ -z "$1" ] && die "Need version argument"
[ -n "${1/[0-9]*}" ] && die "Invalid version argument"

VERSION=${1}
RELEASE=portage-${VERSION}
RELEASE_DIR=${RELEASE_BUILDDIR}/${RELEASE}
RELEASE_TARBALL="${RELEASE_BUILDDIR}/${RELEASE}.tar.bz2"

rm -rf "${RELEASE_DIR}" "${SOURCE_DIR}" || die "directory cleanup failed"
mkdir -p "${RELEASE_DIR}" || die "directory creation failed"


svn export "${REPOSITORY}" "${SOURCE_DIR}" || die "svn export failed"
svn2cl -o "${SOURCE_DIR}/ChangeLog" "${REPOSITORY}" || die "ChangeLog creation failed"

cp -a "${SOURCE_DIR}/"{bin,cnf,doc,man,pym,src} "${RELEASE_DIR}/" || die "directory copy failed"
cp "${SOURCE_DIR}/"{ChangeLog,DEVELOPING,NEWS,RELEASE-NOTES,TEST-NOTES,TODO} "${RELEASE_DIR}/" || die "file copy failed"

cd "${RELEASE_BUILDDIR}"
       
tar cfj "${RELEASE_TARBALL}" "${RELEASE}" || die "tarball creation failed"

if [ -n "${UPLOAD_LOCATION}" ]; then
	echo "uploading ${RELEASE_TARBALL} to ${UPLOAD_LOCATION}"
	scp "${RELEASE_TARBALL}" "dev.gentoo.org:${UPLOAD_LOCATION}" || die "upload failed"
else
	echo "${RELEASE_TARBALL} created"
fi