package fastmirror

import (
	"fmt"
	"os/exec"
	"strings"
)

func isUbuntu() error {
	cmd := exec.Command("lsb_release", "-is")
	output, err := cmd.Output()
	if err != nil {
		return fmt.Errorf("failed to run lsb_release: %v", err)
	}

	if strings.TrimSpace(string(output)) != "Ubuntu" {
		return fmt.Errorf("this program is only for Ubuntu")
	}
	return nil
}