Function IsZeroObjectID

git/git.go:141–148

IsZeroObjectID returns true if the string is a valid hexadecimal Git object ID and represents the all-zeros object ID for some hash algorithm.

(s string)

// IsZeroObjectID returns true if the string is a valid hexadecimal Git object
// ID and represents the all-zeros object ID for some hash algorithm.
func IsZeroObjectID(s string) bool {
	for _, length := range ObjectIDLengths {
		if s == strings.Repeat("0", length) {
			return true
		}
	}
	return false
}

func EmptyTree() (string, error) {
	emptyTreeMutex.Lock()