bin/install-elixir.sh

#!/usr/bin/env bash

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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.

# This shell script installs all OS package dependencies for Apache
# CouchDB 2.x for yum-based systems.
#
# While these scripts are primarily written to support building CI
# Docker images, they can be used on any workstation to install a
# suitable build environment.

# stop on error
set -e

ELIXIR_PACKAGES=https://github.com/elixir-lang/elixir/releases/download
ELIXIR_VSN=${ELIXIRVERSION:-v1.13.4}

# Check if running as root
if [[ ${EUID} -ne 0 ]]; then
  echo "Sorry, this script must be run as root."
  echo "Try: sudo $0 $*"
  exit 1
fi

SCRIPTPATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

function ensure_tool() {
    type "${1}" > /dev/null 2>&1 && return 0
    return 1
}

ensure_tool 'unzip' || { echo 'Please install `unzip`'; exit 1; }
ensure_tool 'wget' || { echo 'Please install `wget`'; exit 1; }


url=${ELIXIR_PACKAGES}/${ELIXIR_VSN}/Precompiled.zip
echo "==> Downloading Elixir from ${url}"
wget -q --max-redirect=1 -O elixir.zip ${url} \
    || { echo '===> Cannot download Elixir from ${url}'; exit 1; }

mkdir -p /usr/local/bin/
unzip -qq elixir.zip -d /usr/local \
    ||  { echo "===> Cannot unpack elixir.zip"; exit 1; }

rm elixir.zip