#!/bin/bash

set -e

DIR=$(dirname "$0")

case $# in
0) ;;
1)
	cd "$1"
	;;
*)
	echo "Too many arguments" >&2
	exit 1
	;;
esac

if [[ ! -d cookbook ]] || [[ ! -f filesystem.toml ]]; then
	echo "You do not appear to be in a redox checkout (no 'cookbook'" \
		" directory or filesystem.toml file). Please run this script from or " \
		"specify as an argument the root of your redox checkout." >&2
	exit 1
fi

mkdir -p cookbook/recipes/rustpython

cp "$DIR"/recipe.sh cookbook/recipes/rustpython/

if ! grep -q -w rustpython filesystem.toml; then
	sed -i 's/\[packages\]/[packages]\nrustpython = {}/' filesystem.toml
fi

echo "All done! Run 'make qemu' to rebuild and run with rustpython installed."