From 7a4baf4b67d8100620cf22e75742eb04cf8c8714 Mon Sep 17 00:00:00 2001
From: Alex Arslan <ararslan@comcast.net>
Date: Fri, 4 Oct 2024 18:14:01 -0700
Subject: [PATCH] Use reviewdog to suggest rustfmt diff

---
 .github/workflows/rustfmt.yml | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/rustfmt.yml b/.github/workflows/rustfmt.yml
index 03cafbf4..5877f7e9 100644
--- a/.github/workflows/rustfmt.yml
+++ b/.github/workflows/rustfmt.yml
@@ -6,6 +6,13 @@ on:
   pull_request:
   workflow_dispatch:
 
+# https://github.com/reviewdog/action-suggester?tab=readme-ov-file#required-permissions
+permissions:
+  contents: read
+  checks: write
+  issues: write
+  pull-requests: write
+
 jobs:
   rustfmt:
     name: Rustfmt Check
@@ -18,4 +25,10 @@ jobs:
         with:
           components: rustfmt
       - name: Rustfmt check
-        run: cargo fmt -- --check -v
+        run: cargo fmt -- -v ${{ github.event_name == 'pull_request' && '' || '--check' }}
+      - name: Suggest changes
+        if: ${{ github.event_name == 'pull_request' }}
+        uses: reviewdog/action-suggester@v1
+        with:
+          tool_name: rustfmt
+          fail_on_error: true