setup

#!/bin/bash

set -e

elixirs_key="elixir-$ELIXIR_VERSION-erlang-$ERLANG_VERSION-elixirs"
archives_key="elixir-$ELIXIR_VERSION-erlang-$ERLANG_VERSION-archives"

elixirs_path=~/".kiex/elixirs"
archives_path=~/".kiex/mix/archives"

rm -rf "$elixirs_path"/*
rm -rf "$archives_path"/*

EXPECTED_ERLANG_VERSION="26.0"
if [[ "$ERLANG_VERSION" == "$EXPECTED_ERLANG_VERSION" && $(cache has_key "v2-erlang-$ERLANG_VERSION") ]]; then
  cache restore "v2-erlang-$ERLANG_VERSION"
fi
sem-version erlang "$ERLANG_VERSION"
if [ "$ERLANG_VERSION" == "$EXPECTED_ERLANG_VERSION" ]; then
  cache store "v2-erlang-$ERLANG_VERSION" /home/semaphore/.kerl
fi
erl -eval '{ok, Version} = file:read_file(filename:join([code:root_dir(), "releases", erlang:system_info(otp_release), "OTP_VERSION"])), io:fwrite(Version), halt().' -noshell

if [ $ELIXIR_VERSION != "main" ] && \
  cache has_key "$elixirs_key" && \
  cache has_key "$archives_key"
then
  cache restore "$elixirs_key"
  cache restore "$archives_key"
else
  kiex install $ELIXIR_VERSION
  cache store "$elixirs_key" "$elixirs_path"
  cache store "$archives_key" "$archives_path"
fi

kiex use $ELIXIR_VERSION
elixir -v

mix local.rebar
mix local.hex --force
mix deps.get

# Unset exit on error so the shell is usable after running this script
set +e