Log reviewdog for debugging, only run on PRs

.github/workflows/quick-check.yml

@@ -41,12 +41,13 @@ jobs:
 #        with:
 #          report_paths: 'gwt/build/out/**/test/**/reports/TEST-*.xml'
       - name: Run reviewdog on all checkstyle output as applied to this PR's contents
-        if: always()
+        if: github.event_name == 'pull_request'
         env:
           REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
               cd gwt
               for xml in $(find build/out | grep checkstyle); do
+                reviewdog -f=checkstyle -reporter=local -level=info -diff="git diff ${{github.event.pull_request.base}}"< $xml
                 reviewdog -f=checkstyle -reporter=github-pr-review -level=info < $xml
               done
       - name: Upload checkstyle xml for manual review