From 5ed690f68b85f2fe8bf99879b307784d2cdfdfec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Weber?= <mail@soeren-weber.de>
Date: Thu, 26 Jan 2023 00:08:25 +0100
Subject: [PATCH] nav: fix breadcrumb for huge installations #446

---
 layouts/partials/get-page-depth.hugo | 9 +++++++++
 layouts/partials/header.html         | 3 ++-
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 layouts/partials/get-page-depth.hugo

diff --git a/layouts/partials/get-page-depth.hugo b/layouts/partials/get-page-depth.hugo
new file mode 100644
index 0000000000..488e766e5c
--- /dev/null
+++ b/layouts/partials/get-page-depth.hugo
@@ -0,0 +1,9 @@
+{{- /* https://discourse.gohugo.io/t/how-to-know-the-section-depth/37302/4 */ -}}
+{{- $page := .page }}
+{{- $depth := .depth | default 0 }}
+{{- with $page.Parent }}
+    {{- $depth = add $depth 1 }}
+	{{- partial "get-page-depth.hugo" (dict "page" . "depth" $depth) }}
+{{- else }}
+  {{- $depth }}
+{{- end }}
\ No newline at end of file
diff --git a/layouts/partials/header.html b/layouts/partials/header.html
index b52e88ca13..0b346e3811 100644
--- a/layouts/partials/header.html
+++ b/layouts/partials/header.html
@@ -144,7 +144,8 @@
   {{- $page := .page }}
   {{- $to := .to }}
   {{- $breadcrumb = $breadcrumb | append $to }}
-  {{- range seq (len .to.Site.AllPages) }}
+  {{- $depth := int (partial "get-page-depth.hugo" (dict "page" $page)) }}
+  {{- range seq $depth }}
     {{- $to = $to.Parent }}
     {{- if $to }}
       {{- $breadcrumb = $breadcrumb | append $to }}