#!/bin/bash -e

# Note: This script is designed to be run inside a Docker Build for a container

CYAN='\E[1;36m'
YELLOW='\E[1;33m'
BLUE='\E[1;34m'
GREEN='\E[1;32m'
RESET='\E[0m'

S6_OVERLAY_VERSION=3.1.6.2
TARGETPLATFORM=${1:-linux/amd64}

# Determine the correct binary file for the architecture given
case $TARGETPLATFORM in
	linux/arm64)
		S6_ARCH=aarch64
		;;

	linux/arm/v7)
		S6_ARCH=armhf
		;;

	*)
		S6_ARCH=x86_64
		;;
esac

echo -e "${BLUE}❯ ${CYAN}Installing S6-overlay v${S6_OVERLAY_VERSION} for ${YELLOW}${TARGETPLATFORM} (${S6_ARCH})${RESET}"

curl -L -o '/tmp/s6-overlay-noarch.tar.xz' "https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-noarch.tar.xz"
curl -L -o "/tmp/s6-overlay-${S6_ARCH}.tar.xz" "https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-${S6_ARCH}.tar.xz"
tar -C / -Jxpf '/tmp/s6-overlay-noarch.tar.xz'
tar -C / -Jxpf "/tmp/s6-overlay-${S6_ARCH}.tar.xz"

rm -rf "/tmp/s6-overlay-${S6_ARCH}.tar.xz"

echo -e "${BLUE}❯ ${GREEN}S6-overlay install Complete${RESET}"