Re-add XML Sitemap

source/_pages/404.html

@@ -1,6 +1,7 @@
 ---
 title: Page not found
 permalink: /404.html
+exclude_from_sitemap: true
 ---
 
 {% block javascripts %}

source/_pages/index.md

@@ -2,6 +2,7 @@
 title: Oliver Davies - UK-based Lead Software Developer, PHP and Drupal specialist
 permalink: /
 is_front: true
+exclude_from_sitemap: true
 ---
 
 <div class="markdown" markdown="1">

source/sitemap.xml.twig

@@ -0,0 +1,44 @@
+---
+permalink: sitemap.xml
+use:
+    - pages
+    - posts
+    - talks
+---
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>{{ site.url }}</loc>
+    <lastmod>{{ site.calculated_date|date('Y-m-d') }}</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+
+  {% for page in data.pages if not page.exclude_from_sitemap %}
+      <url>
+        <loc>{{ site.url }}{{ page.url }}</loc>
+        <lastmod>{{ site.calculated_date|date('Y-m-d') }}</lastmod>
+        <changefreq>monthly</changefreq>
+        <priority>0.8</priority>
+      </url>
+  {% endfor %}
+
+  {% for post in data.posts %}
+  <url>
+    <loc>{{ site.url }}{{ post.url }}</loc>
+    <lastmod>{{ post.date|date('c') }}</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>1.0</priority>
+  </url>
+  {% endfor %}
+
+  {% for talk in data.talks if not talk.hide_page %}
+  <url>
+    <loc>{{ site.url }}{{ talk.url }}</loc>
+    <lastmod>{{ talk.date|date('c') }}</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>1.0</priority>
+  </url>
+  {% endfor %}
+
+</urlset>