#!/usr/bin/env bash

set -e
set -o pipefail

if [ $# -ne 2 ]; then
  echo "usage: $0 VERSION RELEASE_DIRECTORY"
  exit 1
fi

version="$1"
release_directory="$2"
file="share/ruby-build/jruby-${version}"

basename="jruby-bin-${version}.tar.gz"
url="https://s3.amazonaws.com/jruby.org/downloads/${version}/${basename}"
archive="$release_directory/$basename"
[ -e "$archive" ] || wget -O "$archive" "$url"
sha256=$(sha256sum "$archive" | cut -d ' ' -f 1)

cat > "$file" <<EOS
require_java 8
install_package "jruby-${version}" "${url}#${sha256}" jruby
EOS