sitemaps.xml

---
layout:
permalink: /sitemaps.xml
---
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">
  {% for post in site.posts %}
    {% if post.id contains "404" %}{% else %}
      <url>

        <loc>{{ post.url | prepend: site.baseurl | prepend: site.url }}</loc>
        {% if post.ref %}
        {% assign versions=site.posts | where:"ref", post.ref %}
        {% for version in versions %}
          <xhtml:link rel="alternate" hreflang="{{ version.lang }}" href="{{ version.url | prepend: site.baseurl | prepend: site.url  }}" />
        {% endfor %}
        {% endif %}
        <lastmod>{{ post.date | date_to_xmlschema }}</lastmod>
        <changefreq>weekly</changefreq>
      </url>
    {% endif %}
  {% endfor %}
  {% for page in site.pages %}
    {% if page.id contains "404" %}{% else %}
      <url>
        <loc>{{ page.url | prepend: site.baseurl | prepend: site.url  }}</loc>
        {% if page.ref %}
        {% assign versions=site.pages | where:"ref", page.ref %}
        {% for version in versions %}
          <xhtml:link rel="alternate" hreflang="{{ version.lang }}" href="{{ version.url | prepend: site.baseurl | prepend: site.url  }}" />
        {% endfor %}
        {% endif %}
        <changefreq>weekly</changefreq>
      </url>
    {% endif %}
  {% endfor %}
</urlset>