Function ParseQualifiedHeadRef

pkg/cmd/pr/shared/find_refs_resolution.go:55–66

ParseQualifiedHeadRef takes strings of the form : or and returns a QualifiedHeadRef. If the form : is used, the owner is set to the value of , and the branch name is set to the value of . If the form is used, the owner is set to None, an

(ref string)

// it is not safe to assume the ref is truly a valid ref, e.g. "my~bad:ref?"
// is going to result in a nonsense result.
func ParseQualifiedHeadRef(ref string) (QualifiedHeadRef, error) {
	if !strings.Contains(ref, ":") {
		return NewQualifiedHeadRefWithoutOwner(ref), nil
	}

	parts := strings.Split(ref, ":")
	if len(parts) != 2 {
		return QualifiedHeadRef{}, fmt.Errorf("invalid qualified head ref format '%s'", ref)
	}

	return NewQualifiedHeadRef(parts[0], parts[1]), nil
}

// A QualifiedHeadRef without an owner returns <branch>, while a QualifiedHeadRef
// with an owner returns <owner>:<branch>.