From 52f4b16075bf01d2c8f8539c26fb9b135967713f Mon Sep 17 00:00:00 2001
From: Waffle Lapkin <waffle.lapkin@gmail.com>
Date: Tue, 15 Apr 2025 14:06:51 +0200
Subject: [PATCH] use helper function instead of writing rustfmt stamp by hand

---
 src/bootstrap/src/core/build_steps/format.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs
index b1a97bde97b5..43b831adf1f7 100644
--- a/src/bootstrap/src/core/build_steps/format.rs
+++ b/src/bootstrap/src/core/build_steps/format.rs
@@ -81,7 +81,8 @@ fn update_rustfmt_version(build: &Builder<'_>) {
     let Some((version, stamp_file)) = get_rustfmt_version(build) else {
         return;
     };
-    t!(std::fs::write(stamp_file.path(), version))
+
+    t!(stamp_file.add_stamp(version).write());
 }
 
 /// Returns the Rust files modified between the `merge-base` of HEAD and