Function HasUserXattrChanged

db/document.go:654–662

(userXattr []byte, prevUserXattrHash string)

}

func HasUserXattrChanged(userXattr []byte, prevUserXattrHash string) bool {
	// If hash is empty but userXattr is not empty an xattr has been added. Import
	if prevUserXattrHash == "" && len(userXattr) > 0 {
		return true
	}

	// Otherwise check hash value
	return userXattrCrc32cHash(userXattr) != prevUserXattrHash
}

// CVEqual returns true if the provided CV does not match _sync.rev.ver and _sync.rev.src. The caller is responsible for testing if the values are non-empty.
func (s *SyncData) CVEqual(cv Version) bool {