From cc13db0f4fa81e1e4e7f66697f930177c60b0bd4 Mon Sep 17 00:00:00 2001
From: Jeremy Maitin-Shepard <jbms@google.com>
Date: Mon, 8 Jan 2024 13:53:56 -0800
Subject: [PATCH] chore(github actions): properly detect Python formatting
 issues

---
 .github/workflows/build.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f7fa0ff73..c66803460 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -102,6 +102,8 @@ jobs:
         run: python -m pip install --upgrade pip tox nox wheel numpy pytest
       - uses: ./.github/actions/setup-firefox
       - run: nox -s lint format mypy
+      - name: Check for dirty working directory
+        run: git diff --exit-code
       - name: Test with tox
         run: tox -e ${{ fromJSON('["skip-browser-tests","firefox-xvfb"]')[runner.os == 'Linux'] }}
       # Verify that editable install works