version_check

# Func: Telegram send message
:local TGSendMessage do={
    :local tgUrl "https://api.telegram.org/bot$Token/sendMessage?chat_id=$ChatID&text=$Text&parse_mode=html&disable_web_page_preview=True";
    /tool fetch http-method=get url=$tgUrl keep-result=no;
}

# Constants
:local TelegramBotToken "<TOKEN>";
:local TelegramChatID "<CHAT ID>";
:local DeviceName [/system identity get name];
:local TelegramMessageText "\F0\9F\9F\A5 <b> $DeviceName:</b>  ";

# Check Update
:local MyVar [/system package update check-for-updates as-value];
:local InstVer ($MyVar -> "installed-version");
:local LatVer ($MyVar -> "latest-version");

:if ($InstVer = $LatVer) do={
    :log info "System is already up to date.";
} else={
    :set TelegramMessageText  "$TelegramMessageText New version $LatVer is available! [Installed version $InstVer].";
    $TGSendMessage Token=$TelegramBotToken ChatID=$TelegramChatID Text=$TelegramMessageText;

    :log info "System is out of date!";
}