Fix warning about .BaseFileName on zero object

layouts/_default/baseof.html

@@ -14,6 +14,11 @@
 	{{ with .Site.Params.author }}<meta name="author" content="{{ . }}">{{ end }}
 	{{ $style := resources.Get "style/main.sass" | resources.ToCSS }}
 	<link rel="stylesheet" href="{{ $style.RelPermalink }}">
+
+	{{ with .Site.Params.comments.webmention }}<link rel="webmention" href="{{ . }}" />{{ end }}
+	{{ with .Site.Params.comments.pingback }}<link rel="pingback" href="{{ . }}" />{{ end }}
+
+	{{ if .Site.Params.comments.cactus }}<link rel="stylesheet" href="https://latest.cactus.chat/style.css" type="text/css">{{ end }}
 	{{ with .OutputFormats.Get "RSS" -}}
 		{{ printf `<link rel="%s" type="%s" href="%s" title="%s">` .Rel .MediaType.Type .RelPermalink $.Site.Title | safeHTML }}
 	{{- end }}

layouts/partials/comments.html

@@ -2,6 +2,7 @@
     <div class="columns">
         <div class="column is-8 is-offset-2">
             {{ partial "comments/webmention" . }}
+            {{ partial "comments/cactus" . }}
             {{ with .Site.DisqusShortname }}
                 <div>
                     {{ template "_internal/disqus.html" . }}

layouts/partials/comments/cactus.html

@@ -0,0 +1,10 @@
+{{ if .Site.Params.comments.cactus }}
+    <hr />
+    <div class="content">
+        <h2>Comments</h2>
+    </div>
+    <div id="cactus-comments"></div>
+    <p>
+        <em>Powered by <a href="https://cactus.chat/">Cactus Comments 🌵</a></em>
+    </p>
+{{ end }}

layouts/partials/comments/webmention.html

@@ -1,21 +1,13 @@
 {{ if .Site.Params.comments.webmention }}
     <hr />
     <div class="content">
-        <h2>Comments</h2>
-        <form method="get" action="https://quill.p3k.io/" target="_blank"><input type="hidden" name="dontask" value="1">
-            <input type="hidden" name="me" value="https://commentpara.de/">
-            <input type="hidden" name="reply" value="{{ .Permalink }}">
+        <h2>Webmentions</h2>
+        <p>
+            You can respond to this post, <a href="{{ .Permalink }}">"{{ .Title }}"</a>, by:
+            liking, boosting or replying to a tweet or <a href="https://joinmastodon.org/">toot</a> that mentions it; or
+            sending a <a href="https://indieweb.org/Webmention">webmention</a> from your own site to <code>{{ .Permalink }}</code>
 
-            You can comment on this post, <a href="{{ .Permalink }}">"{{ .Title }}"</a>, by:
-            <ul>
-                <li>Replying to its tweet on Twitter or its toot on Mastodon</li>
-                <li>Sending a Webmention from your own site to <code>{{ .Permalink }}</code></li>
-                <li>Using this button: </li>
-            </ul>
-            <div class="control ml-6">
-                <input class="button is-primary is-small" type="submit" value="Write a comment">
-            </div>
-        </form>
+        </p>
     </div>
 
     <div id="webmentions">

layouts/partials/scripts.html

@@ -1,8 +1,19 @@
 <script type="text/javascript" src="/js/navbar.js"></script>
 
-{{ if .Site.Params.comments.webmention }}
-    {{ $webmention_js := resources.Get "js/webmention.js" | minify }}
-    <script src="{{ $webmention_js.RelPermalink }}"
-            data-page-url="{{ .Permalink }}"
-            async></script>
+{{ if .File }}
+    {{ $page_id := .File.BaseFileName }}
+    {{ if .Site.Params.comments.webmention }}
+        {{ $webmention_js := resources.Get "js/webmention.js" | minify }}
+        <script src="{{ $webmention_js.RelPermalink }}"
+                data-page-url="{{ .Permalink }}"
+                async></script>
+    {{ end }}
+    {{ with .Site.Params.comments.cactus }}
+        <script type="text/javascript" src="https://latest.cactus.chat/cactus.js"
+                data-default-homeserver-url="https://matrix.cactus.chat:8448"
+                data-server-name="cactus.chat"
+                data-site-name="{{ . }}"
+                data-node="#cactus-comments"
+                data-comment-section-id="{{ $page_id }}"></script>
+    {{ end }}
 {{ end }}