func importBucket(b *bolt.Bucket, children []*rawMessage) error {
// Decode each message into a key/value pair.
for _, child := range children {
// Bucket messages are handled recursively.
if child.Type == "bucket" {
// Create the bucket if it doesn't exist.
subbucket, err := b.CreateBucketIfNotExists(child.Key)
if err != nil {
return fmt.Errorf("create bucket: %s", err)
}
// Decode child messages.
var subchildren []*rawMessage
if err := json.Unmarshal(child.Value, &subchildren); err != nil {
return fmt.Errorf("decode children: %s", err)
}
// Import subbucket.
if err := importBucket(subbucket, subchildren); err != nil {
return fmt.Errorf("import bucket: %s", err)
}
continue
}
// Non-bucket values are decoded from base64.
var value []byte
if err := json.Unmarshal(child.Value, &value); err != nil {
return fmt.Errorf("decode value: %s", err)
}
// Insert key/value into bucket.
if err := b.Put(child.Key, value); err != nil {
return fmt.Errorf("put: %s", err)
}
}
return nil
}
