From f281ef8a4af27b7ab789d25c29751b4a7bd8b34e Mon Sep 17 00:00:00 2001
From: Daniel Terhorst-North <daniel@dannorth.net>
Date: Mon, 30 Oct 2023 16:56:52 +0000
Subject: [PATCH] tpl: fix incorrect lastBuildDate

Set the `<lastBuildDate>` field to be the most recent Lastmod date
of all the posts in the current selection.

Fixes #11600
---
 tpl/tplimpl/embedded/templates/_default/rss.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tpl/tplimpl/embedded/templates/_default/rss.xml b/tpl/tplimpl/embedded/templates/_default/rss.xml
index 6818d31ec..c997be31c 100644
--- a/tpl/tplimpl/embedded/templates/_default/rss.xml
+++ b/tpl/tplimpl/embedded/templates/_default/rss.xml
@@ -53,7 +53,7 @@
     <managingEditor>{{.}}{{ with $authorName }} ({{ . }}){{ end }}</managingEditor>{{ end }}{{ with $authorEmail }}
     <webMaster>{{ . }}{{ with $authorName }} ({{ . }}){{ end }}</webMaster>{{ end }}{{ with .Site.Copyright }}
     <copyright>{{ . }}</copyright>{{ end }}{{ if not .Date.IsZero }}
-    <lastBuildDate>{{ .Date.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</lastBuildDate>{{ end }}
+    <lastBuildDate>{{ (index $pages.ByLastmod.Reverse 0).Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}</lastBuildDate>{{ end }}
     {{- with .OutputFormats.Get "RSS" }}
     {{ printf "<atom:link href=%q rel=\"self\" type=%q />" .Permalink .MediaType | safeHTML }}
     {{- end }}