PR: troubleshooting the PR not being created

.github/workflows/pr_from_upstream.yml

@@ -63,16 +63,25 @@ jobs:
           # Fetch changes from the upstream repository without merging
           git fetch "${{ env.UPSTREAM_REPO }}" "${{ env.TARGET_BRANCH }}"
 
-          git add -A
-          git commit -m "Updating ${{ github.event.repository.name }} with upstream changes"
+          git diff
+      
+          # Check if there are any changes to commit
+          if git diff --exit-code "origin/${{ env.TARGET_BRANCH }}"; then
+            echo "No changes detected from upstream. Exiting without creating PR."
+            echo "SKIP_PR=true" >> $GITHUB_ENV
+          else
+            git add -A
+            git commit -m "Updating ${{ github.event.repository.name }} with upstream changes"
+            echo "SKIP_PR=false" >> $GITHUB_ENV
+          fi
       
       - name: Push changes to new branch
-        if: success()
+        if: success() && env.SKIP_PR == 'false'
         run: |
           git push origin "${{ env.BRANCH_NAME }}"
       
       - name: Create Pull Request
-        if: success()
+        if: success() && env.SKIP_PR == 'false'
         uses: peter-evans/create-pull-request@v7.0.5
         with:
           token: ${{ steps.generate-rekku-token.outputs.token || secrets.GITHUB_TOKEN }}