Function buildCachedFixtureApp

scripts/integration/fixture.mjs:9–63

({
  root,
  tempRoot,
  bundleId,
  urlScheme,
  log = () => {},
})

const minimumIosVersion = "15.0";

export function buildCachedFixtureApp({
  root,
  tempRoot,
  bundleId,
  urlScheme,
  log = () => {},
}) {
  const targetArch = process.arch === "arm64" ? "arm64" : "x86_64";
  const sdkVersion = commandOutput("xcrun", [
    "--sdk",
    "iphonesimulator",
    "--show-sdk-version",
  ]);
  const clangVersion = commandOutput("xcrun", [
    "--sdk",
    "iphonesimulator",
    "clang",
    "--version",
  ]);
  const plist = fixtureInfoPlist(bundleId, urlScheme);
  const source = fixtureSource();
  const fingerprint = crypto
    .createHash("sha256")
    .update(
      JSON.stringify({ targetArch, sdkVersion, clangVersion, plist, source }),
    )
    .digest("hex")
    .slice(0, 16);
  const cacheRoot = path.join(
    root,
    ".cache",
    "simdeck",
    "fixture",
    `${targetArch}-iphonesimulator-${fingerprint}`,
  );
  const cachedAppPath = path.join(cacheRoot, `${executable}.app`);
  const appPath = path.join(tempRoot, `${executable}.app`);

  if (!isUsableApp(cachedAppPath)) {
    log(`building cached UIKit fixture ${fingerprint}`);
    buildFixtureIntoCache({
      cacheRoot,
      cachedAppPath,
      plist,
      source,
      targetArch,
    });
  } else {
    log(`using cached UIKit fixture ${fingerprint}`);
  }

  fs.rmSync(appPath, { recursive: true, force: true });
  fs.cpSync(cachedAppPath, appPath, { recursive: true });
  return { appPath };
}

function buildFixtureIntoCache({
  cacheRoot,