Publish Documentation to Github Pages cmake-multi-platform.yml

.github/workflows/cmake-multi-platform.yml

@@ -210,3 +210,19 @@ jobs:
         if (NOT result EQUAL 0)
           message(FATAL_ERROR "Building documentation failed")
         endif()
+
+    # See https://github.com/marketplace/actions/github-pages-action#%EF%B8%8F-deploy-to-external-repository-external_repository 
+    # for more information on the parameters.
+    - name: Publish Documentation to Github Pages
+      uses: peaceiris/actions-gh-pages@v3
+      if: ${{ github.event_name == 'push' && startsWith(matrix.os,'ubuntu-') }}
+      with:
+         github_token: ${{ secrets.GITHUB_TOKEN }}
+         deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+         publish_dir: documentation/html
+         force_orphan: true
+         commit_message: ${{ github.event.head_commit.message }}
+         publish_branch: gh-pages
+         user_name: 'github-actions[bot]'
+         user_email: 'github-actions[bot]@users.noreply.github.com'
+      # if: ${{ github.event_name == 'push' && matrix.config.name == 'Ubuntu Latest GCC Release' }}