ci/fmt.sh: Error if changes on CI

nhooyr · nhooyr · commit f4e61e5a124d · 2023-10-25T17:41:31.000-07:00
diff --git a/ci/fmt.sh b/ci/fmt.sh
@@ -18,3 +18,7 @@ npx prettier@3.0.3 \
   $(git ls-files "*.yml" "*.md" "*.js" "*.css" "*.html")
 
 go run golang.org/x/tools/cmd/stringer@latest -type=opcode,MessageType,StatusCode -output=stringer.go
+
+if [ "${CI-}" ]; then
+  git diff --exit-code
+fi
