Add mastodon support

README.md

@@ -34,6 +34,7 @@ For more information about this fork and the differences to the original theme,
 - [Features](#features)
   - [OpenGraph](#opengraph)
   - [Comments](#comments)
+  - [Mastodon](#mastodon)
 - [Configuration](#configuration)
   - [Only show the post's description](#only-show-the-posts-description)
   - [Colors](#colors)
@@ -173,6 +174,17 @@ See the [utterances] documentation regarding these options:
 - [`label`](https://utteranc.es/#heading-mapping)
 - [`theme`](https://utteranc.es/#heading-theme)
 
+### Mastodon
+
+To add Mastodon support, add the following to your `config.toml`:
+
+```toml
+[extra]
+mastodon_url = "https://hachyderm.io/@opeik"
+```
+
+This will add headers required for [verification](https://docs.joinmastodon.org/user/profile/#verification).
+
 ## Configuration
 
 ### Only show the post's description

templates/index.html

@@ -26,6 +26,10 @@
         <link rel="shortcut icon" type="{{ config.extra.favicon_mimetype | default(value="image/x-icon") | safe }}" href="{{ config.extra.favicon | safe }}">
     {% endif -%}
 
+    {%- if config.extra.mastodon_url %}
+        {%- block mastodon %}{{ head_macros::mastodon(config=config) }}{% endblock mastodon -%}
+    {% endif -%}
+
     {%- block extra_head %}
     {% endblock extra_head -%}
 </head>

templates/macros/head.html

@@ -92,3 +92,7 @@
     <meta property="twitter:domain" content="{{ config.base_url | replace(from="https://", to="") }}">
     <meta property="twitter:url" content="{{ permalink | safe }}">
 {% endmacro open_graph %}
+
+{% macro mastodon(config) %}
+    <link rel="me" href="{{ config.extra.mastodon_url }}" />
+{% endmacro mastodon %}