ci: handle no commit gracefully

Author: kRHYME7

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         id: generate-commits
         run: |
           chmod +x .github/scripts/promote_to_master.sh
-          .github/scripts/promote_to_master.sh
+          bash .github/scripts/promote_to_master.sh
 
       # Use a fixed branch name for the PR
       - name: Update dev-to-master branch
@@ -37,8 +37,26 @@ jobs:
           git checkout -b $BRANCH_NAME
           git push --force origin $BRANCH_NAME
 
+      # Check if there are any commits between master and our branch
+      - name: Check for commits between branches
+        id: check-commits
+        run: |
+          # Compare the branches to see if there are any differences
+          COMMIT_COUNT=$(git rev-list --count master..$BRANCH_NAME)
+          echo "commit_count=$COMMIT_COUNT" >> $GITHUB_OUTPUT
+          if [ "$COMMIT_COUNT" -gt 0 ]; then
+            echo "Detected $COMMIT_COUNT commit(s) between master and $BRANCH_NAME"
+            echo "has_commits=true" >> $GITHUB_OUTPUT
+          else
+            echo "No commits detected between master and $BRANCH_NAME"
+            echo "has_commits=false" >> $GITHUB_OUTPUT
+          fi
+        env:
+          BRANCH_NAME: "automated-dev-to-master-branch"
+
       # Create or update PR using GitHub API with retry logic
       - name: Create or Update Pull Request
+        if: steps.check-commits.outputs.has_commits == 'true'
         uses: actions/github-script@v6
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -113,6 +131,13 @@ jobs:
               }
             }
 
+      # Output message when no commits are found
+      - name: No Commits Message
+        if: steps.check-commits.outputs.has_commits == 'false'
+        run: |
+          echo "::notice::No new commits detected between master and dev branches. Skipping PR creation."
+          echo "The branches master and dev are already in sync."
+
   release:
     name: release
     if: ${{ github.ref == 'refs/heads/master' }}