[SPARK-53472][DOCS] Fix jekyll-redirect-from template and generated html files

yaooqinn · yaooqinn · commit 6c1c512bbf5c · 2025-09-04T10:38:09.000+08:00
### Why are the changes needed? `page.redirect.to` defaults to pages with the absolute site root. In this PR, we revise it to the docs relative. ### Does this PR introduce _any_ user-facing change? doc fix Check https://dist.apache.org/repos/dist/dev/spark/v4.0.1-rc1-docs/_site/ for https://dist.apache.org/repos/dist/dev/spark/v4.0.1-rc1-docs/_site/building-with-maven.html ### How was this patch tested? build docs locally. ### Was this patch authored or co-authored using generative AI tooling? no Closes apache#52217 from yaooqinn/SPARK-53472. Authored-by: Kent Yao <yao@apache.org> Signed-off-by: Kent Yao <yao@apache.org> (cherry picked from commit 7635204) Signed-off-by: Kent Yao <yao@apache.org>
diff --git a/docs/_layouts/redirect.html b/docs/_layouts/redirect.html
@@ -19,10 +19,11 @@
 <html lang="en-US">
 <meta charset="utf-8">
 <title>Redirecting&hellip;</title>
-<link rel="canonical" href="{{ page.redirect.to }}.html">
-<script>location="{{ page.redirect.to }}.html"</script>
-<meta http-equiv="refresh" content="0; url={{ page.redirect.to }}.html">
+{% assign redirect_url = page.redirect.to | replace_first: '/', '' | prepend: rel_path_to_root | append: '.html' %}
+<link rel="canonical" href="{{ redirect_url }}">
+<script>location="{{ redirect_url }}"</script>
+<meta http-equiv="refresh" content="0; url={{ redirect_url }}">
 <meta name="robots" content="noindex">
 <h1>Redirecting&hellip;</h1>
-<a href="{{ page.redirect.to }}.html">Click here if you are not redirected.</a>
-</html>
+<a href="{{ redirect_url }}">Click here if you are not redirected.</a>
+</html>
