Fix python-semver#203: Use --check option for black (infra) (python-semver#204)

tomschr · scls19fr · commit 8169c12e4df4 · 2019-11-25T10:24:21.000+01:00
* Remove uploading the diff file as artifact
* Use `--check` to test our source code
diff --git a/.github/workflows/black-formatting.yml b/.github/workflows/black-formatting.yml
@@ -39,11 +39,5 @@ jobs:
       - name: Run black
         id: black
         run: |
-          black . > project.diff
+          black --check .
           echo "::set-output name=rc::$?"
-
-      - name: Upload diff artifact
-        uses: actions/upload-artifact@v1
-        with:
-          name: black-project-diff
-          path: project.diff
