Fail the build if pylint checks are disabled (#1089)

Related PR:
- databrickslabs/lakebridge#191

Author: nfx

.github/workflows/push.yml

@@ -61,3 +61,20 @@ jobs:
 
       - name: Verify linting
         run: hatch run verify
+
+  no-lint-disabled:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Verify no lint disabled in the new code
+        run: |
+          NEW_CODE=$(git diff origin/main..$(git branch --show-current) | grep -e '^+')
+          CHEAT=$(echo "${NEW_CODE}" | grep '# pylint: disable')
+          if [ -n "${CHEAT}" ]; then
+            echo "Do not cheat the linter: ${CHEAT}"
+            exit 1
+          fi