From f81544afe32300afdd10acb576770e4af6e0d8cb Mon Sep 17 00:00:00 2001
From: Jonathan Li <30177086+MonliH@users.noreply.github.com>
Date: Sat, 10 Oct 2020 11:58:15 -0400
Subject: [PATCH] Document RUSTFMT env var behaviour

---
 src/doc/src/reference/environment-variables.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/doc/src/reference/environment-variables.md b/src/doc/src/reference/environment-variables.md
index a630a5f58..135e4d089 100644
--- a/src/doc/src/reference/environment-variables.md
+++ b/src/doc/src/reference/environment-variables.md
@@ -49,6 +49,8 @@ system:
 * `TERM` — If this is set to `dumb`, it disables the progress bar.
 * `BROWSER` — The web browser to execute to open documentation with [`cargo
   doc`]'s' `--open` flag.
+* `RUSTFMT` — Instead of running `rustfmt`, Cargo will execute this specified
+  `rustfmt` instance instead.
 
 #### Configuration environment variables
 
-- 
2.39.5