Merge pull request 'Add sitemap CI/CD' (#7) from ari/purplebored.pl:main into main

Reviewed-on: https://git.ari.lt/purplebored/purplebored.pl/pulls/7

.forgejo/workflows/sitemap.yml

@@ -0,0 +1,41 @@
+on:
+    push:
+        paths:
+            - "pages/**"
+            - "blog/**"
+            - "sitemap.sh"
+            - "index.xhtml"
+
+jobs:
+    stats:
+        runs-on: ubuntu-latest
+        container: catthehacker/ubuntu:act-latest
+        steps:
+            - uses: actions/checkout@v4
+              with:
+                  token: ${{ secrets.GIT_TOKEN }}
+
+            - name: Set up repository
+              run: |
+                  git reset --hard
+                  git pull
+                  git reset --hard
+
+            - name: Generate sitemap
+              run: |
+                  sh ./sitemap.sh
+
+            - name: Stage the changes
+              run: |
+                  git add sitemap.xml
+
+            - name: Commit and Push Changes
+              run: |
+                  if git diff --staged --quiet; then
+                    echo "No changes to commit."
+                  else
+                    git config --local user.email "sitemap@localhost"
+                    git config --local user.name "Sitemap CI/CD"
+                    git commit -am "[skip ci] Update sitemap" || echo "No changes to commit"
+                    git push origin HEAD -f
+                  fi

sitemap.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -eu
+
+main() {
+    echo '<urlset>'
+    echo '<url><loc>https://purplebored.pl/</loc><priority>1.0</priority></url>'
+    find pages/ blog/ -name '*.xhtml' -not -name 'template.xhtml' | while read -r file; do
+        echo "<url><loc>https://purplebored.pl/${file}</loc><priority>1.0</priority></url>"
+    done
+    echo '</urlset>'
+}
+
+main >sitemap.xml