From b817a68391bbd3cfe5285457d61111500afeb158 Mon Sep 17 00:00:00 2001
From: Sebastien Marie <semarie@online.fr>
Date: Fri, 27 Dec 2019 05:32:11 +0000
Subject: [PATCH 1/2] allow rustfmt key in [build] section

---
 src/bootstrap/config.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
index 11bfc7a47cc48..4fdfb744f381c 100644
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -201,6 +201,7 @@ struct Build {
     target: Vec<String>,
     cargo: Option<String>,
     rustc: Option<String>,
+    rustfmt: Option<String>, /* allow bootstrap.py to use rustfmt key */
     docs: Option<bool>,
     compiler_docs: Option<bool>,
     submodules: Option<bool>,

From 98d8326cfc0b20b20d161fe2830bcfe2072cfdfd Mon Sep 17 00:00:00 2001
From: Sebastien Marie <semarie@online.fr>
Date: Fri, 27 Dec 2019 05:32:12 +0000
Subject: [PATCH 2/2] add comment for rustfmt in config.toml.example

---
 config.toml.example | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/config.toml.example b/config.toml.example
index 5152a6c988582..39be51758068f 100644
--- a/config.toml.example
+++ b/config.toml.example
@@ -132,6 +132,10 @@
 # specified, use this rustc binary instead as the stage0 snapshot compiler.
 #rustc = "/path/to/bin/rustc"
 
+# Instead of download the src/stage0.txt version of rustfmt specified,
+# use this rustfmt binary instead as the stage0 snapshot rustfmt.
+#rustfmt = "/path/to/bin/rustfmt"
+
 # Flag to specify whether any documentation is built. If false, rustdoc and
 # friends will still be compiled but they will not be used to generate any
 # documentation.