Detect new files, extract ref, add package.json

.github/workflows/update-septic-docs-pr.yml

@@ -30,17 +30,30 @@ jobs:
       - name: Look for documentation changes
         id: checkfiles
         run: |
+          # Ensure any new files are added before checking for changes
+          git add public/
           # --quiet does apparently not imply --exit-code as git doc claims
-          echo "changed=$(git diff --exit-code public ':!**/meta.yaml' >/dev/null; echo $?)" >> $GITHUB_OUTPUT
- 
+          echo "changed=$(git diff HEAD --exit-code public ':!**/meta.yaml' >/dev/null; echo $?)" >> $GITHUB_OUTPUT
+
+      - name: Extract ref name
+        if: ${{ steps.checkfiles.outputs.changed != 0 }}
+        run: |
+          ref=$(echo ${{ github.event.client_payload.ref }} | cut -d'/' -f3)
+          if [ "$ref" = "main" ]; then
+            ref="latest"
+          fi
+          echo "REF=$ref" >> $GITHUB_ENV
+
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v5
         if: ${{ steps.checkfiles.outputs.changed != 0 }}
         with:
-          add-paths: public/*
+          add-paths: |
+            public/*
+            package.json
           labels: "documentation"
-          branch: "septic-documentation-branch"
-          title: "docs: update SEPTIC documentation"
+          branch: "septic-documentation-${{ env.REF }}"
+          title: "docs: update SEPTIC documentation for ${{ env.REF }}"
           commit-message: "Autogenerated from SEPTIC repository"
           delete-branch: true
           body: |