Function createLock

src/utils/fs-lock.ts:128–150

(lockDir: string, owner: FsLockOwner)

}

async function createLock(lockDir: string, owner: FsLockOwner): Promise<AcquiredFsLock> {
  await fs.mkdir(lockDir, { mode: 0o700 });
  try {
    await fs.writeFile(path.join(lockDir, FS_LOCK_OWNER_FILE), `${JSON.stringify(owner)}\n`, {
      encoding: 'utf8',
      mode: 0o600,
    });
  } catch (error) {
    await removeLockDir(lockDir);
    throw error;
  }

  return {
    owner,
    async release(): Promise<void> {
      const currentOwner = await readLockOwner(lockDir);
      if (currentOwner?.token !== owner.token) {
        return;
      }
      await fs.rm(lockDir, { recursive: true, force: true });
    },
  };
}

async function tryAcquireGuard(
  lockDir: string,