Template: Add robots meta-tag, set noindex on staging

Stolen from https://github.com/dereckcurry/hugo-robots-meta-tags

.forgejo/workflows/deploy.yaml

@@ -35,6 +35,8 @@ jobs:
         if: github.ref_name != 'main'
         run: |
           sed -i "s#baseURL = 'https://hamburg.ccc.de/'#baseURL = 'https://staging.hamburg.ccc.de/pr${{ github.event.pull_request.number }}/'#" hugo.toml
+          sed -i "s#index = true#index = false#" hugo.toml
+          sed -i "s#follow = true#follow = false#" hugo.toml
       - name: Build website
         run: |
           ./fetch-calendar.sh

hugo.toml

@@ -63,3 +63,8 @@ enableGitInfo = true
   url = "https://wiki.ccchh.net/verein:offizielles:foemi-formular"
   [menu.footer.params]
     rel = "external"
+
+
+[params.robots]
+  index = true
+  follow = true

themes/ccchh/layouts/partials/head.html

@@ -3,6 +3,7 @@
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <meta charset="utf-8">
+  {{- partial "robots.html" . -}}
   {{- with resources.GetRemote "https://cdn.jsdelivr.net/npm/@picocss/pico@1/css/pico.min.css" }}
   <link rel="stylesheet" href="{{ .RelPermalink }}" crossorigin="anonymous">
   {{ end }}
@@ -17,7 +18,7 @@
   {{- end }}
   {{- end }}
 
-  {{ range .AlternativeOutputFormats -}}
+  {{- range .AlternativeOutputFormats -}}
     {{ printf `<link rel="%s" type="%s" href="%s" title="%s" />` .Rel .MediaType.Type .RelPermalink $.Site.Title | safeHTML }}
   {{- end }}
 

themes/ccchh/layouts/partials/robots.html

@@ -0,0 +1,35 @@
+{{  $robotsGenerate := false -}}
+{{- if or (isset $.Params.robots "index") (isset $.Params.robots "follow") }}
+{{-     $robotsGenerate = true -}}
+{{- else if or (isset $.Site.Params.robots "index") (isset $.Site.Params.robots "follow") -}}
+{{-     $robotsGenerate = true -}}
+{{- end -}}
+{{- if eq $robotsGenerate true -}}
+{{-     $robotsIndex := true -}}
+{{-     $robotsFollow := true -}}
+{{-     if isset $.Site.Params "robots" -}}
+{{-         if isset $.Site.Params.robots "index" -}}
+{{-             $robotsIndex = $.Site.Params.robots.index -}}
+{{-         end -}}
+{{-         if isset $.Site.Params.robots "follow" -}}
+{{-             $robotsFollow = $.Site.Params.robots.follow -}}
+{{-         end -}}
+{{-     end -}}
+{{-     if isset $.Params "robots" -}}
+{{-         if isset $.Params.robots "index" -}}
+{{-             $robotsIndex = $.Params.robots.index -}}
+{{-         end -}}
+{{-         if isset $.Params.robots "follow" -}}
+{{-             $robotsFollow = $.Params.robots.follow -}}
+{{-         end -}}
+{{-     end -}}
+{{-     if and (eq $robotsIndex true) (eq $robotsFollow true) }}
+  <meta name="robots" content="index, follow" />
+{{-     else if and (eq $robotsIndex true) (eq $robotsFollow false) }}
+  <meta name="robots" content="index, nofollow" />
+{{-     else if and (eq $robotsIndex false) (eq $robotsFollow true) }}
+  <meta name="robots" content="noindex, follow" />
+{{-     else if and (eq $robotsIndex false) (eq $robotsFollow false) }}
+  <meta name="robots" content="noindex, nofollow" />
+{{-     end -}}
+{{- end -}}