From 2dcdd72d693f9a886a2751ab65fc0e85c04d1e1a Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Tue, 29 Apr 2025 19:23:58 -0300
Subject: Add "mapentry" and "sitemap" subcommands

---
 deps.mk      |  2 ++
 src/conf     | 12 ++++++++++++
 src/mapentry | 19 +++++++++++++++++++
 src/sitemap  | 22 ++++++++++++++++++++++
 4 files changed, 55 insertions(+)
 create mode 100755 src/mapentry
 create mode 100755 src/sitemap

diff --git a/deps.mk b/deps.mk
index 49c90a3..c65c232 100644
--- a/deps.mk
+++ b/deps.mk
@@ -10,6 +10,8 @@ libexec.sh = \
 	src/indexbody \
 	src/indexentry \
 	src/links \
+	src/mapentry \
+	src/sitemap \
 	src/snippets \
 	src/sortdata \
 	src/symlinks \
diff --git a/src/conf b/src/conf
index 16c43a8..6951462 100755
--- a/src/conf
+++ b/src/conf
@@ -168,6 +168,9 @@ cat -- "$CONF"
 
 url="$(printf '%s\n' "${UNPREFIXED%.adoc}.html" | shesc)"
 
+
+lastmod_epoch="$(stat --printf='%Y' "$FILENAME" | shesc)"
+
 collurl=
 date_iso=
 date_epoch=
@@ -180,15 +183,21 @@ if is_article; then
 	date_iso="$(dateiso "$lastdirnames"      | shesc)"
 	date_epoch="$(dateepoch "$date_iso"      | shesc)"
 	date_formatted="$(datefmt "$date_iso"    | shesc)"
+	lastmod_epoch="$date_epoch"
 	if [ -n "${updatedat:-}" ]; then
 		updatedat_iso="$(dateiso "$updatedat" | shesc)"
 		updatedat_epoch="$(dateepoch "$updatedat_iso"   | shesc)"
 		updatedat_formatted="$(datefmt "$updatedat_iso" | shesc)"
+		lastmod_epoch="$updatedat_epoch"
 	fi
 	file="$(basename "$url")"
 	collurl="$(printf '%s\n' "$lastdirnames" | sed 's|-|/|g' | shesc)/$file"
 fi
 
+lastmod_iso="$(dateiso "@$lastmod_epoch"    | shesc)"
+lastmod_formatted="$(datefmt "$lastmod_iso" | shesc)"
+
+
 BASE_URL="$(base_url)"
 TITLE_RAW="$(cat -- "$FILENAME" | grep '^= .*' | head -n1 | cut -d' ' -f2- ||
 	echo 'MISSING')"
@@ -257,6 +266,9 @@ cat <<-EOF
 	export title_html="$title_html"
 	export titlefull="$titlefull"
 	export titlefull_html="$titlefull_html"
+	export lastmod_iso="$lastmod_iso"
+	export lastmod_epoch="$lastmod_epoch"
+	export lastmod_formatted="$lastmod_formatted"
 	export date_iso="$date_iso"
 	export date_epoch="$date_epoch"
 	export date_formatted="$date_formatted"
diff --git a/src/mapentry b/src/mapentry
new file mode 100755
index 0000000..857d4bd
--- /dev/null
+++ b/src/mapentry
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -euo pipefail
+
+
+usage() {
+	echo 'Usage: mapentry FILENAME.conf'
+}
+
+FILENAME="${1:-}"
+eval "$(assert-arg -- "$FILENAME" 'FILENAME.conf')"
+. ./"$FILENAME"
+
+
+cat <<EOF
+  <url>
+    <loc>$url_absolute</loc>
+    <lastmod>$lastmod_iso</lastmod>
+  </url>
+EOF
diff --git a/src/sitemap b/src/sitemap
new file mode 100755
index 0000000..48be5ea
--- /dev/null
+++ b/src/sitemap
@@ -0,0 +1,22 @@
+#!/bin/sh
+set -euo pipefail
+
+
+opening() {
+	cat <<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"
+  xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+EOF
+}
+
+closing() {
+	echo '</urlset>'
+}
+
+
+opening
+cat "$@"
+closing
-- 
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