//go:build darwin package commercial import ( "os/exec" "strings" ) func platformMachineID() string { out, err := exec.Command("ioreg", "-rd1", "-c", "IOPlatformExpertDevice").Output() if err != nil { return "" } for _, line := range strings.Split(string(out), "\n") { if strings.Contains(line, "IOPlatformUUID") { parts := strings.SplitN(line, "=", 2) if len(parts) == 2 { uuid := strings.Trim(strings.TrimSpace(parts[1]), "\"") if uuid != "" { return strings.TrimSpace(strings.ToLower(uuid)) } } } } return "" }