From 6f8f1428c70a72693193d13af33453869bd1a394 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Tue, 26 Nov 2024 10:44:43 -0800
Subject: [PATCH] Test that all source files are covered by rustfmt

---
 .github/workflows/CI.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f4b69a304..6e77d42e5 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -18,6 +18,11 @@ jobs:
           toolchain: stable
           components: rustfmt
       - run: cargo fmt -- --check
+      - name: test that all source files are covered by rustfmt
+        run: |
+          for f in $(find src -name '*.rs'); do echo -e '\n\n\n\n\n' >> $f; done
+          cargo fmt
+          git diff --exit-code  # expect all changes from above wiped away
 
   clippy:
     runs-on: ${{ matrix.os }}