Function computeCacheKey

src/cache.ts:91–105

* A function that generates a cache key to use. * Format of the generated key will be "${{ platform }}-${{ id }}-${{ fileHash }}"". * @see https://docs.github.com/en/actions/guides/caching-dependencies-to-speed-up-workflows#matching-a-cache-key|spec of cache key

(
  packageManager: PackageManager,
  cacheDependencyPath: string
)

 * @see {@link https://docs.github.com/en/actions/guides/caching-dependencies-to-speed-up-workflows#matching-a-cache-key|spec of cache key}
 */
async function computeCacheKey(
  packageManager: PackageManager,
  cacheDependencyPath: string
) {
  const pattern = cacheDependencyPath
    ? cacheDependencyPath.trim().split('\n')
    : packageManager.pattern;
  const fileHash = await glob.hashFiles(pattern.join('\n'));
  if (!fileHash) {
    throw new Error(
      `No file in ${process.cwd()} matched to [${pattern}], make sure you have checked out the target repository`
    );
  }
  return `${CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-${process.arch}-${packageManager.id}-${fileHash}`;
}

/**
 * Restore the dependency cache