firmware-upgrade-reboot: ignore firmware downgrade

1 files changed, 4 insertions, 0 deletions

diff --git a/firmware-upgrade-reboot b/firmware-upgrade-reboot
index a3a25db..ac2cb55 100644
--- a/firmware-upgrade-reboot
+++ b/firmware-upgrade-reboot
@@ -11,11 +11,15 @@
 :while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
 
 :global LogPrintExit2;
+:global VersionToNum;
 
 :local RouterBoard [ / system routerboard get ];
 :if ($RouterBoard->"current-firmware" = $RouterBoard->"upgrade-firmware") do={
   $LogPrintExit2 info $0 ("Firmware is already up to date.") true;
 }
+:if ([ $VersionToNum ($RouterBoard->"current-firmware") ] > [ $VersionToNum ($RouterBoard->"upgrade-firmware") ]) do={
+  $LogPrintExit2 info $0 ("Different firmware version is available, but it is a downgrade. Ignoring.") true;
+}
 
 :if ([ / system routerboard settings get auto-upgrade ] = false) do={
   $LogPrintExit2 info $0 ("Firmware version " . $RouterBoard->"upgrade-firmware" . \