From a671b012679abbeacd722e149ab923959568427f Mon Sep 17 00:00:00 2001
From: Emmanuel Garette <egarette@silique.fr>
Date: Wed, 10 Jun 2026 22:29:13 +0200
Subject: [PATCH] [tutorial v1.1_170] A variable with custom validation

---
 firefox/60-dns_over_https.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/firefox/60-dns_over_https.yml b/firefox/60-dns_over_https.yml
index 309c653..bc03324 100644
--- a/firefox/60-dns_over_https.yml
+++ b/firefox/60-dns_over_https.yml
@@ -20,6 +20,11 @@ dns_over_https:  # DNS over HTTPS
   custom_dns_url:
     description: Custom DNS URL
     type: web_address
+    validators:
+      - jinja: |-
+          {{ _.custom_dns_url.startswith("http://") }}
+        return_type: boolean
+        description: must starts with 'https://' only
     disabled:
       jinja: |-
         {{ _.provider is propertyerror or _.provider != 'Custom' }}