update-canonical.yml

# .github/workflows/update-canonical.yml
name: Update Canonical URL from CNAME

on:
  push:
    paths:
      - "CNAME"
  workflow_dispatch:

jobs:
  update-canonical:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Read new domain from CNAME file
        id: get_new_domain
        run: echo "new_domain=$(cat CNAME)" >> $GITHUB_ENV

      - name: Extract old domain from index.html
        id: get_old_domain
        run: |
          old_domain=$(grep -oP -m 1 'href="https://\K[^"]+' index.html)
          echo "old_domain=$old_domain" >> $GITHUB_ENV
          echo "Old domain found: $old_domain"

      - name: Update canonical URL in index.html
        run: |
          echo "Replacing ${old_domain} with ${new_domain} in index.html"
          sed -i "s|${old_domain}|${new_domain}|g" index.html

      - name: Update canonical URL in opensearch.xml
        run: |
          echo "Replacing ${old_domain} with ${new_domain} in opensearch.xml"
          sed -i "s|${old_domain}|${new_domain}|g" opensearch.xml

      - name: Commit and push changes
        run: |
          git config --global user.email "action@github.com"
          git config --global user.name "GitHub Action"
          git add .
          git commit -m "Update canonical URL based on new CNAME" || echo "No changes to commit"
          git push