#!/usr/bin/env bash
# Snapshot current source into an isolated clean Git checkout; never commit root.
set -euo pipefail
repository=$(cd -- "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
cd "$repository"
check=$(mktemp -d "$repository/.tools/clean-release.XXXXXX")
printf '%s\n' "$check" > .tools/latest-clean-release-path
mkdir "$check/source"
git ls-files --cached --others --exclude-standard -z > "$check/files.list"
tar --null -T "$check/files.list" -cf "$check/source.tar"
tar --no-same-owner -xf "$check/source.tar" -C "$check/source"
git -C "$check/source" init -q
git -C "$check/source" add -A
git -C "$check/source" -c user.name='Local release snapshot' -c user.email='release@localhost' commit -qm 'Local source snapshot for clean release'
git clone -q "$check/source" "$check/clone"
mkdir -p "$check/clone/node_modules" "$check/clone/.tools/packwiz"
cp -a "$repository/node_modules/yaml" "$repository/node_modules/smol-toml" "$check/clone/node_modules/"
cp "$repository/.tools/packwiz/packwiz" "$check/clone/.tools/packwiz/packwiz"
cp "$repository/.tools/docker-compose" "$check/clone/.tools/docker-compose"
cd "$check/clone"
./mcpack build --release
node --input-type=module - "$repository" <<'JS'
import fs from 'node:fs';
import path from 'node:path';
import {parse} from 'smol-toml';
import {verifyRelease} from './platform/runtime.mjs';
const repository=process.argv[2],pack=parse(fs.readFileSync('pack/pack.toml','utf8'));
const name=pack.name+'-'+pack.version,source=path.resolve('dist',name);
const release=verifyRelease(source),destination=path.join(repository,'dist',name);
if(fs.existsSync(destination))throw new Error('Immutable release already exists: '+destination);
const stage=fs.mkdtempSync(path.join(repository,'dist','.clean-release-'));
try{
  fs.cpSync(source,stage,{recursive:true});
  if(verifyRelease(stage).identity!==release.identity)throw new Error('Copied release identity differs');
  fs.renameSync(stage,destination);
}catch(error){fs.rmSync(stage,{recursive:true,force:true});throw error;}
console.log('Published clean release: '+destination);
JS