From f21e7468586262e35d0b1494b0783d6eadc96985 Mon Sep 17 00:00:00 2001
From: omicron <omicron.me@protonmail.com>
Date: Fri, 7 Aug 2026 02:08:54 +0200
Subject: [PATCH] Add tag index rendering

---
 omicron/ssg/site.py                    | 12 ++++++++++--
 omicron/ssg/templates/plain/index.html | 17 +++++++++++------
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/omicron/ssg/site.py b/omicron/ssg/site.py
index 320e76e..abc539e 100644
--- a/omicron/ssg/site.py
+++ b/omicron/ssg/site.py
@@ -115,6 +115,7 @@ class Site:
         page_num: int,
         total_pages: int,
         section: str | None,
+        tag: str | None = None,
     ) -> None:
         template = self.jinja_env.get_template("index.html")
         html = template.render(
@@ -123,6 +124,7 @@ class Site:
             page_num=page_num,
             total_pages=total_pages,
             section=section,
+            tag=tag,
         )
         out_file = out_dir / f"page-{page_num}.html"
         out_file.write_text(html, encoding="utf-8")
@@ -132,16 +134,17 @@ class Site:
         items: list[Content],
         out_dir: Path,
         section: str | None,
+        tag: str | None = None,
     ) -> None:
         out_dir.mkdir(parents=True, exist_ok=True)
         if not items:
             log.warning("No content, generating empty index page")
-            self.render_single_index_page(out_dir, (), 1, 1, section)
+            self.render_single_index_page(out_dir, (), 1, 1, section, tag)
         else:
             num_pages = ceil(len(items) / self.items_per_page)
             for i, page_items in enumerate(batched(items, self.items_per_page)):
                 self.render_single_index_page(
-                    out_dir, page_items, i + 1, num_pages, section
+                    out_dir, page_items, i + 1, num_pages, section, tag
                 )
         index = out_dir / "index.html"
         if index.exists() or index.is_symlink():
@@ -154,6 +157,11 @@ class Site:
         for section, items in self.by_section.items():
             sorted_items = sorted(items, key=lambda c: c.created, reverse=True)
             self.render_index_pages(sorted_items, self.output_path / section, section)
+        for tag, items in self.by_tag.items():
+            sorted_items = sorted(items, key=lambda c: c.created, reverse=True)
+            self.render_index_pages(
+                sorted_items, self.output_path / "tags" / tag, None, tag
+            )
 
     def build(self) -> None:
         if not self.origin:
diff --git a/omicron/ssg/templates/plain/index.html b/omicron/ssg/templates/plain/index.html
index 352bc11..f27f36a 100644
--- a/omicron/ssg/templates/plain/index.html
+++ b/omicron/ssg/templates/plain/index.html
@@ -1,11 +1,16 @@
 {% extends "base.html" %}
+{% set prefix = (section + "/") if section else (("tags/" + tag + "/") if tag else "") %}
+{% set heading = section or tag or "" %}
 
-{% block title %}{% if section %}{{ section }} — {% endif %}{{ site.name }}{% if page_num > 1 %} — Page {{ page_num }}{% endif %}{% endblock %}
+{% block title %}{% if heading %}{{ heading }} — {% endif %}{{ site.name }}{% if page_num > 1 %} — Page {{ page_num }}{% endif %}{% endblock %}
 
-{% block head %}<link rel="canonical" href="{{ site.origin }}{{ site.base_dir }}{% if section %}{{ section }}/{% endif %}{% if page_num == 1 %}{% else %}page-{{ page_num }}.html{% endif %}">{% endblock %}
+{% block head %}
+<link rel="canonical" href="{{ site.origin }}{{ site.base_dir }}{{ prefix }}{% if page_num > 1 %}page-{{ page_num }}.html{% endif %}">
+{% if page_num > 1 %}<meta name="robots" content="noindex, follow">{% endif %}
+{% endblock %}
 
 {% block main %}
-{% if section %}<h1>{{ section }}</h1>{% endif %}
+{% if heading %}<h1>{{ heading }}</h1>{% endif %}
 {% for item in items %}
 <article>
     <header>
@@ -18,15 +23,15 @@
 {% if total_pages > 1 %}
 <nav>
     {% if page_num > 1 %}
-    <a href="{{ site.base_dir }}{% if section %}{{ section }}/{% endif %}page-{{ page_num - 1 }}.html">← Newer</a>
+    <a href="{{ site.base_dir }}{{ prefix }}page-{{ page_num - 1 }}.html">← Newer</a>
     {% endif %}
     {% for p in range(1, total_pages + 1) %}
     {% if p == page_num %}<strong>{{ p }}</strong>
-    {% else %}<a href="{{ site.base_dir }}{% if section %}{{ section }}/{% endif %}page-{{ p }}.html">{{ p }}</a>
+    {% else %}<a href="{{ site.base_dir }}{{ prefix }}page-{{ p }}.html">{{ p }}</a>
     {% endif %}
     {% endfor %}
     {% if page_num < total_pages %}
-    <a href="{{ site.base_dir }}{% if section %}{{ section }}/{% endif %}page-{{ page_num + 1 }}.html">Older →</a>
+    <a href="{{ site.base_dir }}{{ prefix }}page-{{ page_num + 1 }}.html">Older →</a>
     {% endif %}
 </nav>
 {% endif %}