Merge pull request #1112 from dwisiswant0/fix/nothing-to-commit

Add changes condition before commit & push on auto update README

.github/workflows/update-readme.yml

@@ -28,16 +28,20 @@ jobs:
           python-version: "3.8"
 
       - name: Update README
+        id: update-readme
         run: |
           python .github/scripts/update-readme.py
+          echo "::set-output name=changes::$(git status -s | wc -l)"
 
       - name: Commit files
+        if: steps.update-readme.outputs.changes > 0
         run: |
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
           git commit -m "Auto Update README [$(date)] :robot:" -a
 
       - name: Push changes
+        if: steps.update-readme.outputs.changes > 0
         uses: ad-m/github-push-action@master
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}