INNER CODE UNIT · JavaScript

ensureNative

tiliondev/fortress · sdk/node/index.js:68

async function ensureNative(plat, host, tag) {
  const { asset, kind, launcher } = ASSETS[plat];
  const root = join(CACHE, tag, plat);   // cache per release tag so channels don't collide
  const launcherPath = join(root, launcher);
  if (existsSync(launcherPath)) return launcherPath;
  mkdirSync(root, { recursive: true });
  const archive = join(root, asset);
  process.stderr.write(`[tilion-fortress] downloading ${host}/${asset} ...\n`);
  const res = await fetch(`${host}/${asset}`);
  if (!res.ok) throw new Error(`download failed: ${res.status}`);
  await pipeline(res.body, createWriteStream(archive));

  const exp = await expectedSha(asset, host);
  if (exp) {
    const act = await sha256(archive);
    if (act !== exp) throw new Error(`SHA256 mismatch for ${asset}: expected ${exp}, got ${act}`);
    process.stderr.write("[tilion-fortress] SHA256 verified\n");
  } else {

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