#!/bin/bash

LUAJIT_PKGNAME="LuaJIT"

LUAJIT_URL=$(rpmspec -P *.spec | awk '/Source0/ { print $NF }')

LUAJIT_TARBALL=$(basename $LUAJIT_URL)

LUAJIT_VERSION_MAJOR=$(awk '/%global luajit_version_major/ { print $NF }' *.spec)

LUAJIT_VERSION_MINOR=$(awk '/%global luajit_version_minor/ { print $NF }' *.spec)

LUAJIT_VERSION_PATCH=$(awk '/%global luajit_version_patch/ { print $NF }' *.spec)

LUAJIT_VERSION="${LUAJIT_VERSION_MAJOR}.${LUAJIT_VERSION_MINOR}.${LUAJIT_VERSION_PATCH}"

LUAJIT_PKGDIR="$(pwd)"

LUAJIT_TMPDIR=$(mktemp --tmpdir -d luajit-XXXXXXXX)

cleanup_tmpdir() {

    popd 2>/dev/null || true

    rm -rf "${LUAJIT_TMPDIR}"

}

trap cleanup_tmpdir SIGINT

cleanup_and_exit() {

    cleanup_tmpdir

    if test "$1" = 0 -o -z "$1" ; then

        exit 0

    else

        exit "${1}"

    fi

}

pushd "${LUAJIT_TMPDIR}" || cleanup_and_exit 1

wget "${LUAJIT_URL}"

tar xf ${LUAJIT_PKGNAME}-${LUAJIT_VERSION}.tar.gz

# commiter date, unix timestamp

LUAJIT_VERSION_PATCH_NEW=$(<${LUAJIT_PKGNAME}-${LUAJIT_VERSION_MAJOR}.${LUAJIT_VERSION_MINOR}/.relver)

LUAJIT_VERSION_NEW="${LUAJIT_VERSION_MAJOR}.${LUAJIT_VERSION_MINOR}.${LUAJIT_VERSION_PATCH_NEW}"

echo "LUAJIT_VERSION=${LUAJIT_VERSION_NEW}"

mv "${LUAJIT_PKGNAME}-${LUAJIT_VERSION}.tar.gz" "${LUAJIT_PKGDIR}/${LUAJIT_PKGNAME}-${LUAJIT_VERSION_NEW}.tar.gz"

echo

echo ">>> New tarball ${LUAJIT_PKGNAME}-${LUAJIT_VERSION_NEW}.tar.gz"

popd || cleanup_and_exit 1

echo

echo ">>> Update spec file with: %global luajit_version_patch ${LUAJIT_VERSION_PATCH_NEW}"

echo

cleanup_and_exit 0