From 32e22831fc80731937da77bfdfbb92763a176621 Mon Sep 17 00:00:00 2001
From: Martin von Zweigbergk <martinvonz@google.com>
Date: Mon, 7 Mar 2022 21:02:25 -0800
Subject: [PATCH] github: make CI check formatting

I've forgotten to run `rustfmt` many times (most recently in
572143655866), so let's have CI check for it.
---
 .github/workflows/build.yml | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d2ea1be2c..2df6e9d8d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -34,6 +34,22 @@ jobs:
       env:
         RUST_BACKTRACE: 1
 
+  rustfmt:
+    name: Check formatting
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          profile: minimal
+          components: rustfmt
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
   clippy-stable:
     name: Clippy check (stable)
     runs-on: ubuntu-latest