#!/bin/bash -e
################################################################################
##  File:  erlang.sh
##  Desc:  Installs erlang
################################################################################

# Source the helpers for use with the script
source $HELPER_SCRIPTS/install.sh

source_list=/etc/apt/sources.list.d/eslerlang.list

# Install Erlang
echo "deb https://binaries.erlang-solutions.com/debian $(lsb_release -cs) contrib" > $source_list
wget -q -O - https://binaries.erlang-solutions.com/debian/erlang_solutions.asc | apt-key add -
apt-get update
apt-get install -y --no-install-recommends esl-erlang

# Install rebar3
json=$(curl -sL "https://api.github.com/repos/erlang/rebar3/releases")
rebar3Version=$(echo $json | jq -r '.[] | select(.tag_name | contains("-") | not).tag_name' | sort -V | tail -n1)
rebar3DownloadUrl=$(echo $json | jq -r ".[] | select(.tag_name==\"$rebar3Version\").assets[].browser_download_url")
download_with_retries $rebar3DownloadUrl "/tmp"
mv /tmp/rebar3 /usr/local/bin/rebar3
chmod +x /usr/local/bin/rebar3

invoke_tests "Tools" "erlang"

# Clean up source list
rm $source_list