debug formatting

.github/workflows/ffigen.yml

diff --git a/.github/workflows/ffigen.yml b/.github/workflows/ffigen.yml
index c06836a..ca1502b 100644
--- a/.github/workflows/ffigen.yml
+++ b/.github/workflows/ffigen.yml
@@ -41,6 +41,7 @@
       - name: Check formatting
         run: dart format --output=none --set-exit-if-changed .
         if: always() && steps.install.outcome == 'success'
+      - run: git diff
       - name: Build test dylib and bindings
         run: dart --enable-asserts test/setup.dart
       - name: Analyze code