From 91cfa0aac9d95da1d66bf31aaab72e3a8a6b0701 Mon Sep 17 00:00:00 2001
From: Jack May <jack@solana.com>
Date: Mon, 11 Nov 2019 12:58:24 -0800
Subject: [PATCH] Upgrade xargo if old (#6869)

---
 sdk/bpf/scripts/install.sh | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/sdk/bpf/scripts/install.sh b/sdk/bpf/scripts/install.sh
index 8418ede6e8..fdfde506c9 100755
--- a/sdk/bpf/scripts/install.sh
+++ b/sdk/bpf/scripts/install.sh
@@ -22,11 +22,9 @@ download() {
   wget "${args[@]}"
 }
 
-# Install xargo
-if [[ ! -r xargo.md ]]; then
-  cargo install xargo
-  xargo --version > xargo.md 2>&1
-fi
+# Install or upgrade xargo
+cargo +nightly install xargo -Z install-upgrade
+xargo --version > xargo.md 2>&1
 
 # Install Criterion
 version=v2.3.2