docs: upgrade Antora

Author: yann-soubeyrand

.github/workflows/website.yml

@@ -38,12 +38,9 @@ jobs:
         with:
           fetch-depth: 0   # Fetch all history for .gitinfo and .lastmod
       - name: "Generate site using antora site action"
-        uses: kameshsampath/antora-site-action@6069ae47f8c6dfd2a7c842d2dea766c639ab0053
-        with:
-          antora_playbook: antora-playbook.yml
-          antora_generator: "antora-site-generator-lunr"
-          antora_docsearch_enabled: "true"
-          antora_docsearch_index_version: "latest"
+        uses: docker://ghcr.io/camptocamp/antora:v3
+        run: |
+          ./generate-documentation.sh
       - name: "List folder"
         run: |
           ls -ltr $GITHUB_WORKSPACE/build/

antora-playbook.yml

@@ -5,9 +5,13 @@ site:
   keys:
     google_analytics: "G-GDBX9466LL"
   start_page: devops-stack::index.adoc
+antora:
+  extensions:
+    - require: "@antora/lunr-extension"
+      index_latest_only: true
 content:
   branches: HEAD
-  tags: 
+  tags:
   - "v0.3*"
   - "!v0.3.0"
   sources:
@@ -17,8 +21,4 @@ ui:
   bundle:
     url: https://github.com/camptocamp/devops-stack-antora-ui/releases/download/master-LATEST/ui-bundle.zip
     snapshot: true
-  supplemental_files:
-  - path: ui.yml
-    contents: |
-      static_files: [ .nojekyll ]
-  - path: .nojekyll
+  supplemental_files: ./supplemental_ui

generate-documentation.sh

@@ -0,0 +1,9 @@
+#! /bin/sh
+
+cd "$(dirname $0)"
+
+mkdir -p 'supplemental_ui'
+
+cp -RT "$(yarn global dir)/node_modules/@antora/lunr-extension/supplemental_ui/" 'supplemental_ui'
+
+antora generate 'antora-playbook.yml'

supplemental_ui/.gitignore

@@ -0,0 +1,2 @@
+css/search.css
+js/search-ui.js

supplemental_ui/.nojekyll

@@ -0,0 +1,3 @@
+---
+static_files:
+  - ".nojekyll"