From 644304d17153d183e296a2d3b89a303d8a148757 Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <37929162+mergify[bot]@users.noreply.github.com>
Date: Thu, 15 Oct 2020 20:15:29 +0000
Subject: [PATCH] Support arbitrary toolchains with cargo wrapper script
 (#12925)

(cherry picked from commit 99aecdaf65951d9dab9110ed4e114ac329cea6f3)

Co-authored-by: Trent Nelson <trent@solana.com>
---
 cargo | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cargo b/cargo
index 5c882eeebf..d081ce15f3 100755
--- a/cargo
+++ b/cargo
@@ -17,6 +17,10 @@ case "$1" in
     toolchain="$rust_nightly"
     shift
     ;;
+  +*)
+    toolchain="${1#+}"
+    shift
+    ;;
   *)
     # shellcheck disable=SC2054 # rust_stable is sourced from rust-version.sh
     toolchain="$rust_stable"