From f67dc0218bcfb62be3e839a63a1dee042909a6c6 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Thu, 12 Jan 2023 08:17:48 +0100
Subject: global-functions: $ScriptInstallUpdate: handle config version
 decrease...

... and log a warning.
---
 global-functions | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'global-functions')

diff --git a/global-functions b/global-functions
index 9e89670..9ed6b4a 100644
--- a/global-functions
+++ b/global-functions
@@ -796,7 +796,13 @@
     }
   }
 
-  :if ($ExpectedConfigVersionBefore != $ExpectedConfigVersion) do={
+  :if ($ExpectedConfigVersionBefore > $ExpectedConfigVersion) do={
+    $LogPrintExit2 warning $0 ("The configuration version decreased from " . \
+      $ExpectedConfigVersionBefore . " to " . $ExpectedConfigVersion . \
+      ". Installed an older version?") false;
+  }
+
+  :if ($ExpectedConfigVersionBefore < $ExpectedConfigVersion) do={
     :global GlobalConfigChanges;
     :global GlobalConfigMigration;
     :local ChangeLogCode;
-- 
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