Function ensureFile

apps/kimi-code/src/native/native-assets.ts:181–206

(path: string, bytes: Buffer, expectedSha256: string, mode?: number)

}

function ensureFile(path: string, bytes: Buffer, expectedSha256: string, mode?: number): void {
  if (readFileSha256(path) === expectedSha256) return;

  mkdirSync(dirname(path), { recursive: true });
  const tempPath = `${path}.${process.pid}.${Date.now()}.tmp`;
  writeFileSync(tempPath, bytes, { mode: mode ?? 0o644 });

  try {
    renameSync(tempPath, path);
    return;
  } catch {
    if (readFileSha256(path) === expectedSha256) {
      rmSync(tempPath, { force: true });
      return;
    }
  }

  try {
    rmSync(path, { force: true });
    renameSync(tempPath, path);
  } catch (error) {
    rmSync(tempPath, { force: true });
    if (readFileSha256(path) === expectedSha256) return;
    throw error;
  }
}

function ensureEntryFile(cacheRoot: string): void {
  const entryPath = join(cacheRoot, 'node_modules', '.kimi-native-entry.cjs');