Function saveCache

src/cache-save.ts:26–81

(packageManager: string)

}

async function saveCache(packageManager: string) {
  const cachePathState = core.getState(State.CACHE_PATHS);

  if (!cachePathState) {
    core.warning(
      'Cache paths are empty. Please check the previous logs and make sure that the python version is specified'
    );
    return;
  }

  const cachePaths = JSON.parse(cachePathState) as string[];

  core.debug(`paths for caching are ${cachePaths.join(', ')}`);

  if (!isCacheDirectoryExists(cachePaths)) {
    core.warning(
      `Cache folder path is retrieved for ${packageManager} but doesn't exist on disk: ${cachePaths.join(
        ', '
      )}. This likely indicates that there are no dependencies to cache. Consider removing the cache step if it is not needed.`
    );
    return;
  }

  const primaryKey = core.getState(State.STATE_CACHE_PRIMARY_KEY);
  const matchedKey = core.getState(State.CACHE_MATCHED_KEY);

  if (!primaryKey) {
    core.warning('Error retrieving key from state.');
    return;
  } else if (matchedKey === primaryKey) {
    // no change in target directories
    core.info(
      `Cache hit occurred on the primary key ${primaryKey}, not saving cache.`
    );
    return;
  }

  let cacheId = 0;

  try {
    cacheId = await cache.saveCache(cachePaths, primaryKey);
  } catch (err) {
    const message = (err as Error).message;
    core.info(`[warning]${message}`);
    return;
  }

  if (cacheId === -1) {
    // saveCache returns -1 without throwing when the cache was not saved, e.g.
    // a reserve collision or a read-only token (fork PR). @actions/cache has
    // already logged the reason at the appropriate severity, so just trace it.
    core.debug(`Cache was not saved for the key: ${primaryKey}`);
    return;
  }
  core.info(`Cache saved with the key: ${primaryKey}`);
}

function isCacheDirectoryExists(cacheDirectory: string[]) {