Add atom feed too because cool

build.lua

@@ -6,6 +6,7 @@ local shapeshift = require 'shapeshift'
 
 -- Project-specific stuff
 local rss = require 'feed.rss'
+local atom = require 'feed.atom'
 local paramparser = require 'paramparser'
 local params = paramparser(...)
 package.loaded.params = params
@@ -36,6 +37,7 @@ for idx, post in ipairs(posts) do
 end
 
 scaffold.deep(tree, "feeds/all.rss.xml", rss(posts))
+scaffold.deep(tree, "feeds/all.atom.xml", atom(posts))
 
 if params.delete then
 	restia.utils.delete(params.output)

config/me.yaml

@@ -0,0 +1,2 @@
+name: Talia
+link: https://tech.lgbt/@darkwiiplayer

lib/feed/atom.lua

@@ -0,0 +1,60 @@
+local skooma = require 'skooma'
+local config = require 'config'
+
+local xml = skooma.env()
+
+local rfc3339 = "%Y-%m-%dT%H:%M:%SZ"
+
+local function map(sequence, fun)
+	local new = {}
+	for key, value in ipairs(sequence) do
+		new[key] = fun(value)
+	end
+	return new
+end
+
+return function(posts)
+	return [[<?xml version="1.0" encoding="utf-8"?>]] .. tostring(xml.feed{
+		xmlns="http://www.w3.org/2005/Atom";
+		xml.id("https://blog.but.gay/");
+		xml.title(config.title:gsub("\n$", ""));
+		xml.link { rel="alternate", href = "https://blog.but.gay/", type="text/html" };
+		xml.link { rel="self", href = "https://blog.but.gay/feeds/all.atom.xml" };
+		xml.updated(os.date(rfc3339));
+		xml.author(
+			xml.name(config.me.name),
+			xml.uri(config.me.link)
+		);
+		xml.generator {
+			uri = "https://github.com/darkwiiplayer/blog";
+			"Home-grown SSG"
+		};
+		--xml.description(config.description);
+		map(posts, function(post)
+			local link = "https://blog.but.gay"..post.head.uri
+			return xml.entry {
+				xml.id(link);
+				xml.title(post.head.title);
+				function()
+					if post.head.updates then
+						return xml.updated(os.date(rfc3339, post.head.updates[#post.head.updates]));
+					else
+						return xml.updated(os.date(rfc3339, post.head.timestamp));
+					end
+				end;
+				--
+				xml.summary(post.head.description);
+				xml.content {
+					type="html";
+					post.body;
+				};
+				xml.link { href = link };
+				--
+				xml.published(os.date(rfc3339, post.head.timestamp));
+				map(post.head.tags, function(tag)
+					return xml.category { term = tag }
+				end)
+			}
+		end)
+	})
+end

lib/feed/rss.lua

@@ -14,7 +14,6 @@ end
 return function(posts)
 	return tostring(xml.rss{
 		version="2.0";
-		["xmlns:atom"]="http://www.w3.org/2005/Atom";
 		xml.channel {
 			xml.title(config.title);
 			xml.link "https://blog.but.gay/";
@@ -26,10 +25,6 @@ return function(posts)
 				return xml.item {
 					xml.title(post.head.title);
 					xml.description(post.head.description);
-					xml.content {
-						type="html";
-						post.body;
-					};
 					xml.link(link);
 					xml.guid(link);
 					xml.pubDate(os.date("%d %b %Y", post.head.timestamp));

templates/main.html.skooma.yue

@@ -40,6 +40,7 @@ html
 	lang: "english"
 	* head
 		* link rel: 'alternate', type: 'application/rss+xml', title: 'RSS 2.0 feed', href: "/feeds/all.rss.xml"
+		* link rel: 'alternate', type: 'application/atom+xml', title: 'Atom feed', href: "/feeds/all.atom.xml"
 		* meta name: "view-transition", content: "same-origin"
 		* meta charset: "UTF-8"
 		* meta name: "viewport", content: "width=device-width"