Method RemoveDir

backend/cache/storage_persistent.go:302–338

RemoveDir will delete a CachedDirectory, all its objects and all the chunks stored for it

(fp string)

// RemoveDir will delete a CachedDirectory, all its objects and all the chunks stored for it
func (b *Persistent) RemoveDir(fp string) error {
	var err error
	parentDir, dirName := path.Split(fp)
	if fp == "" {
		err = b.db.Update(func(tx *bolt.Tx) error {
			err := tx.DeleteBucket([]byte(RootBucket))
			if err != nil {
				fs.Debugf(fp, "couldn't delete from cache: %v", err)
				return err
			}
			_, _ = tx.CreateBucketIfNotExists([]byte(RootBucket))
			return nil
		})
	} else {
		err = b.db.Update(func(tx *bolt.Tx) error {
			bucket := b.getBucket(cleanPath(parentDir), false, tx)
			if bucket == nil {
				return fmt.Errorf("couldn't open bucket (%v)", fp)
			}
			// delete the cached dir
			err := bucket.DeleteBucket([]byte(cleanPath(dirName)))
			if err != nil {
				fs.Debugf(fp, "couldn't delete from cache: %v", err)
			}
			return nil
		})
	}

	// delete chunks on disk
	// safe to ignore as the files might not have been open
	if err == nil {
		_ = os.RemoveAll(path.Join(b.dataPath, fp))
		_ = os.MkdirAll(b.dataPath, os.ModePerm)
	}

	return err
}

// ExpireDir will flush a CachedDirectory and all its objects from the objects
// chunks will remain as they are