#!/usr/bin/env bash
# Compila o v32lua (compilador de Lua para Vircon32 de Matthew Haas, tag v20261020-release, 3-Clause BSD,
# github.com/wedge1020/v32lua) em artifacts/tools/v32lua-v20261020/bin. Usado so pelo Vircout (escrito em Lua).
# O compilador embute no cartucho o runtime dele (BSD-3): o LICENSE.txt do jogo traz o texto da licenca.
# Idempotente. Precisa de gcc/make.
set -euo pipefail
TAG=v20261020-release
SHA256=88f1e23474d83c4ecf472b5bd822622dd47dc08b92779ee3312bf119050a39ac
here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
root="$(git -C "$here" rev-parse --show-toplevel 2>/dev/null || (cd "$here/../../../.." && pwd))"
prefix="$root/artifacts/tools/v32lua-v20261020"
cache="$root/artifacts/build/vircon32-70ed768/cache"
[ -x "$prefix/bin/v32lua" ] && { echo "v32lua ja instalado em $prefix/bin"; exit 0; }
mkdir -p "$cache"
tarball="$cache/v32lua-$TAG.tar.gz"
[ -f "$tarball" ] || curl -fsSL "https://github.com/wedge1020/v32lua/archive/refs/tags/$TAG.tar.gz" -o "$tarball"
echo "$SHA256  $tarball" | shasum -a 256 -c -
rm -rf "$prefix.src" && mkdir -p "$prefix.src"
tar -xzf "$tarball" -C "$prefix.src" --strip-components 1
( cd "$prefix.src" && make >/dev/null && make sysinstall PREFIX="$prefix" >/dev/null )
echo "v32lua instalado em $prefix/bin"