#!/bin/sh
# vim: ft=sh
set -e
. common

if [ -n "$CLEAN" ]; then
	echo_stage "Remove root"
	flock --exclusive "$WORKSPACE/root.lock" uroot rm -rf "$WORKSPACE/root"
	exit 0
fi

# TODO get latest uri from latest-releases.yml file
flock --exclusive "$WORKSPACE/root.lock" /bin/sh -se <<EOF
	. utils
	if [ ! -d "$WORKSPACE/root" ]; then
		echo_stage "Setting up new root"
		wget "http://dl-cdn.alpinelinux.org/alpine/edge/releases/x86_64/alpine-minirootfs-3.8.0-x86_64.tar.gz" -O alpine.tar.gz
		gunzip alpine.tar.gz
		tar -f alpine.tar --delete ./dev/null
		mkdir "$WORKSPACE/root"
		uroot tar -xf alpine.tar -C "$WORKSPACE/root"
		uchroot "$WORKSPACE/root" /bin/sh -sxe <<EEOF
			apk update
			apk add alpine-sdk
			adduser -D -h /build build
			addgroup build abuild
			# TODO more setup
EEOF
	fi

	echo_stage "Update system"
	uchroot "$WORKSPACE/root" /bin/sh -ce 'apk update && apk upgrade'

	echo_stage "Update package sources"
	# TODO
EOF

# TODO