version

var (
	RegexVersionNumber = regexp.MustCompile(`(?m)[v\s](\d+\.\d+\.\d+)`)

	// ErrNotInstalled is returned when the tool binary is missing.
	ErrNotInstalled = errors.New("not installed")
	// ErrVersionUnknown is returned when the binary exists but its version
	// could not be determined (unsupported flag, empty/unparseable output, ...).
	// Callers should surface a generic label and may log the wrapped detail.
	ErrVersionUnknown = errors.New("unknown")
)