#!/bin/bash

# Copyright 2022 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -o errexit
set -o nounset
set -o pipefail

VERSION=${1}
OUTPUT_PATH=${2}

# Ensure the output folder exists
mkdir -p "${OUTPUT_PATH}"

# Get what release to download
RELEASE_NAME=""
case "$OSTYPE" in
  darwin*) RELEASE_NAME="x86_64-apple-darwin.tar.gz"  ;;
  linux*)  RELEASE_NAME="x86_64-unknown-linux-gnu.tar.gz" ;;
#  msys*)    echo "WINDOWS" ;;
  *)        echo "No mdBook release available for: $OSTYPE" && exit 1;;
esac

# Download and extract the mdBook release
curl -L "https://github.com/rust-lang/mdBook/releases/download/${VERSION}/mdbook-${VERSION}-${RELEASE_NAME}" | tar -xvz -C "${OUTPUT_PATH}"