From 4210a4909802b7c6c594b0fb1263cb4e06e62ad1 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Thu, 8 Aug 2019 20:27:11 +0200
Subject: check-routeros-update: fail on empty version string

---
 check-routeros-update | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'check-routeros-update')

diff --git a/check-routeros-update b/check-routeros-update
index cc6d245..c4e620c 100644
--- a/check-routeros-update
+++ b/check-routeros-update
@@ -30,6 +30,11 @@
 / system package update check-for-updates without-paging;
 :local Update [ / system package update get ];
 
+:if ([ :len ($Update->"latest-version") ] = 0) do={
+  :log warning "An empty string is not a valid version.";
+  :error "Warning: See log for details.";
+}
+
 :if ($Update->"installed-version" != $Update->"latest-version") do={
   :local BoardName [ / system resource get board-name ];
   :local RouterBoard [ / system routerboard get ];
-- 
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