// Error 
./knoxite -r backblaze://49979f5abff9:001ac045eb46758d123dbab9d487aa32fb6e291ff8@backblaze.com/KnoxiteTestRepo -p "123" repo init

Creating repository at backblaze://49979f5abff9:001ac045eb46758d123dbab9d487aa32fb6e291ff8@backblaze.com/KnoxiteTestRepo failed: Invalid repository url specified

// In backend.go
..
	case "dropbox":
		return NewStorageDropbox(*u), nil
	case "backblaze":
		return NewStorageBackblaze(*u)
....

// In storage_backblaze.go
func NewStorageBackblaze(URL url.URL) (*StorageBackblaze, error) {
	// Checking username and password
	if URL.User.Username() == "" {
		return &StorageBackblaze{}, nil
	}
	pw, pwexist := URL.User.Password()
	if pwexist {
		return &StorageBackblaze{}, ErrInvalidPassword
	}

	// Creating a new Client for accessing the B2 API
	cl, err := backblaze.NewB2(backblaze.Credentials{
		AccountID:      URL.User.Username(),
		ApplicationKey: pw,
	})
	if err != nil {
		return &StorageBackblaze{}, err
	}
	// Creating the bucket
	bucket, err := cl.CreateBucket(URL.Path, backblaze.AllPrivate)
	if err != nil {
		return &StorageBackblaze{}, err
	}

	return &StorageBackblaze{
		url:            URL,
		chunkFile:      URL.Path + "_chunks",
		snapshotFile:   URL.Path + "_snapshots",
		repositoryFile: URL.Path + "_repository",
		bucket:         bucket,
		backblaze:      cl,
	}, nil

}