From 51e7933c35ecdc76f987afd39030442fbc32c5dc Mon Sep 17 00:00:00 2001
From: Jeb Rosen <jeb@jebrosen.com>
Date: Tue, 28 Jul 2020 13:30:33 -0700
Subject: ci: add information to the rustfmt check, hinting at the necessary
 fix (#2673)

---
 .github/workflows/ci.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to '.github')

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 054cf116..f24bdb88 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -184,7 +184,11 @@ jobs:
       # Check fmt
       - name: "rustfmt --check"
         # Workaround for rust-lang/cargo#7732
-        run: rustfmt --check --edition 2018 $(find . -name '*.rs' -print)
+        run: |
+          if ! rustfmt --check --edition 2018 $(find . -name '*.rs' -print); then
+            printf "Please run \`rustfmt --edition 2018 \$(find . -name '*.rs' -print)\` to fix rustfmt errors.\nSee CONTRIBUTING.md for more details.\n" >&2
+            exit 1
+          fi
 
   clippy:
     name: clippy
-- 
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