From 6855be011bddc16d478464f99efd7a0a37120593 Mon Sep 17 00:00:00 2001
From: Magnus Hagander <magnus@hagander.net>
Date: Sun, 6 Feb 2022 13:47:32 +0100
Subject: [PATCH] Tell search engines not to index outbound links from
 unsupported docs

Our old versions of the docs often link to sites that are dead or in
some cases even hijacked. Let's stop feeding them to search engines.
---
 templates/docs/docspage.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/templates/docs/docspage.html b/templates/docs/docspage.html
index f5f3e3b1..b23fafbb 100644
--- a/templates/docs/docspage.html
+++ b/templates/docs/docspage.html
@@ -14,6 +14,7 @@
   <meta property="og:title" content="{{og.title}}" />
 {%if og.description%}  <meta property="og:description" content="{{og.description|truncatewords:"20"}}" />{%endif%}
   <meta property="og:site_name" content="{{og.sitename|default:"PostgreSQL"}}" />{%endif%}
+{%if not page.version.supported%}  <meta name="robots" content="nofollow" />{%endif%}
   <link href="/media/css/fontawesome.css?{{gitrev}}" rel="stylesheet">
   <link rel="stylesheet" href="/media/css/bootstrap-4.4.1.min.css">
   <link rel="shortcut icon" href="/favicon.ico" />
-- 
2.39.5