Improve hextra-starter-template: HUGO_VERSION Update and Multilanguage Sitemap Fix

[dinhngocdung]

Hi @imfing,

When I used your excellent template, I made two changes to make it work more correctly:

1. In .github/workflows/pages.yaml, I changed HUGO_VERSION: 0.132.2 to 0.145.0 (latest) because blockquotes were not building correctly.
2. The sitemap multilanguage format was not in XML. I had to modify the template to fix this.

Perhaps you should update your template to make it ready to use out of the box! 😉

[imfing]

the first issue has been addressed

can you elaborate more on the second one?

[dinhngocdung]

By default, a multilingual site's sitemap structure includes a main sitemap (e.g., https://regolith-desktop.com/sitemap.xml) and separate language-specific sitemaps (e.g., https://regolith-desktop.com/en/sitemap.xml, https://regolith-desktop.com/de/sitemap.xml).

However, the language-specific sitemaps are not generated correctly, as seen in the provided link.

To resolve this, I added a custom sitemap template at /layouts/sitemap.xml with the following content:

{{- printf "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>" | safeHTML }}
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  {{- range .Site.Pages }}
  <url>
    <loc>{{ .Permalink | absURL }}</loc> 
    <lastmod>{{ .Lastmod.Format "2006-01-02T15:04:05Z07:00" }}</lastmod>
  </url>
  {{- end }}
</urlset>

With this modification, the sitemap is now correctly generated. You can view the result at:
👉 /en/sitemap.xml

[imfing]

@dinhngocdung thanks, this is good catch.

I also noticed the same for hextra's doc site: https://imfing.github.io/hextra/en/sitemap.xml

this project doesn't override the sitemap template, instead Hugo should take care of it: see https://gohugo.io/templates/sitemap/

guess this might be a Hugo issue

[imfing]

actually this is the expected behaviour. Per hugo's doc:

With a multilingual project, Hugo generates:

• A sitemap.xml file in the root of each site (language) using the embedded sitemap template
• A sitemap.xml file in the root of the publishDir using the embedded sitemapindex template