Use sonarcloud

.github/workflows/tests.yml

@@ -101,6 +101,17 @@ jobs:
         arguments: coveralls
       env:
         COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+    - name: Cache SonarCloud packages
+      uses: actions/cache@v1
+      with:
+        path: ~/.sonar/cache
+        key: ${{ runner.os }}-sonar
+        restore-keys: ${{ runner.os }}-sonar
+    - name: Build and analyze
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+      run: ./gradlew build sonarqube --info
 
   lint:
     needs: build