Attempt to reproduce #12124

.github/workflows/scaladoc.yaml

@@ -92,3 +92,24 @@ jobs:
 
       - name: Test sourcelinks to stdlib
         run: ./project/scripts/sbt scaladoc/sourceLinksIntegrationTest:test
+
+  community-docs:
+    runs-on: ubuntu-latest
+    if: "(    github.event_name == 'pull_request'
+           && !contains(github.event.pull_request.body, '[skip docs]')
+         )"
+
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up JDK 8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 8
+
+      - name: Init submodules
+        run: git submodule update --init --recursive --jobs 7
+
+      - name: Generate docs
+        run: ./project/scripts/sbt "community-build/run doc all docsOutput"