From cd935d9da1275dc39b97453c831c74cc0cc66a25 Mon Sep 17 00:00:00 2001
From: Russell Keane <Russell.Keane@inps.co.uk>
Date: Thu, 13 Jun 2019 09:08:39 +0100
Subject: [PATCH] Add validation for the rebuild mode

---
 cloudformation/template.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cloudformation/template.yaml b/cloudformation/template.yaml
index 551cafc15..3a5288aa8 100644
--- a/cloudformation/template.yaml
+++ b/cloudformation/template.yaml
@@ -74,6 +74,10 @@ Parameters:
     Type: String
     Description: By default, a static asset rebuild doesn't overwrite custom-content. Provide the value `overwrite-content` to replace the custom-content with your local version. Don't do this unless you know what you're doing -- all custom changes in your s3 bucket will be lost. 
     Default: ''
+    AllowedValues:
+      - 'overwrite-content'
+      - ''
+    ConstraintDescription: Malformed input - Parameter StaticAssetRebuildMode value must be either 'overwrite-content' or left blank.
 
   MarketplaceSubscriptionTopicProductCode:
     Type: String