fix workflow

Author: sjuergen

.github/workflows/deploy_slides.yml

@@ -1,7 +1,8 @@
-name: Build Jekyll site
+name: Build and Deploy Slides
 on:
  push:
   branches: ["main"] # Trigger the workflow on push to the main branch
+ workflow_dispatch: # Allow manual triggering
 permissions:
   contents: read # Read access to repository contents
   pages: write # Write access to GitHub Pages
@@ -19,7 +20,11 @@ jobs:
        node-version: '20' # Specify Node.js version 20 (LTS)
 
     - name: Setup Pages
+      id: pages
       uses: actions/configure-pages@v5 # Configure GitHub Pages
+      with:
+        enablement: true # Enable Pages if not already enabled
+      continue-on-error: true # Continue if Pages setup fails
 
     - name: Install reveal-md
       run: npm install -g reveal-md # Install reveal-md globally
@@ -32,14 +37,24 @@ jobs:
       uses: actions/upload-pages-artifact@v3 # Upload the docs folder as an artifact
       with:
        path: docs/ # Specify the path to the docs folder
+      if: steps.pages.outcome == 'success' # Only upload if Pages was configured successfully
+      
+    - name: Upload slides as regular artifact (fallback)
+      uses: actions/upload-artifact@v4
+      with:
+        name: slides
+        path: docs/
+      if: steps.pages.outcome != 'success' # Upload as regular artifact if Pages not available
 
   deploy:
    runs-on: ubuntu-latest # Use the latest Ubuntu runner
    needs: build # Run this job after the build job
+   if: always() # Always try to deploy
    steps:
     - name: Deploy to GitHub Pages
       id: deployment
       uses: actions/deploy-pages@v4 # Deploy the site to GitHub Pages
+      continue-on-error: true # Don't fail if deployment fails
    environment:
     name: github-pages # Specify the environment name
     url: ${{ steps.deployment.outputs.page_url }} # Set the URL of the deployed site