chore: add logic when no difference between dev and master branch

Author: Minh141120

.github/workflows/upstream-sync.yml

@@ -53,6 +53,17 @@ jobs:
       env:
         GITHUB_TOKEN: ${{ secrets.PAT_SERVICE_ACCOUNT }}
       run: |
+        # Fetch dev branch to compare
+        git fetch origin dev
+        
+        # Check if there are differences between master and dev
+        git diff --quiet master origin/dev
+        if [ $? -eq 0 ]; then
+          echo "No differences found between master and dev. Skipping PR creation."
+          echo "SKIP_PR=true" >> $GITHUB_ENV
+          exit 0
+        fi
+        
         # Create branch for PR
         git checkout -b update-dev-from-master
         git push origin update-dev-from-master --force
@@ -66,13 +77,15 @@ jobs:
         
         if [[ -z "$PR_NUMBER" ]]; then
           echo "Failed to create PR"
+          echo "SKIP_PR=true" >> $GITHUB_ENV
           exit 0
         fi
         
         echo "PR_NUMBER=$PR_NUMBER" >> $GITHUB_ENV
 
     - name: Check PR status
       id: check_pr
+      if: ${{ env.SKIP_PR != 'true' }}
       env:
         GITHUB_TOKEN: ${{ secrets.PAT_SERVICE_ACCOUNT }}
       run: |
@@ -104,11 +117,12 @@ jobs:
         done
 
     - name: Merge PR and create tag
+      if: ${{ env.SKIP_PR != 'true' }}
       env:
         GITHUB_TOKEN: ${{ secrets.PAT_SERVICE_ACCOUNT }}
       run: |
         # Merge PR
-        gh pr merge $PR_NUMBER --merge
+        gh pr merge $PR_NUMBER --merge --admin
         
         # Create tag
         git fetch origin dev