From 0c885d6a040186f60468934fc5223d05b4a9e38f Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@gmail.com>
Date: Wed, 15 Apr 2020 22:21:05 -0700
Subject: [PATCH] Default to RUST_BACKTRACE=1 for more informative validator
 logs

(cherry picked from commit 4ac15e68cf6c3caad0f389354b431c0e1d3d49e5)
---
 validator/src/main.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/validator/src/main.rs b/validator/src/main.rs
index 983337a23f..cbddfed3df 100644
--- a/validator/src/main.rs
+++ b/validator/src/main.rs
@@ -34,6 +34,7 @@ use solana_sdk::{
 };
 use std::{
     collections::HashSet,
+    env,
     fs::{self, File},
     io::{self, Read},
     net::{SocketAddr, TcpListener, UdpSocket},
@@ -1084,6 +1085,11 @@ pub fn main() {
         .join(","),
     );
 
+    // Default to RUST_BACKTRACE=1 for more informative validator logs
+    if env::var_os("RUST_BACKTRACE").is_none() {
+        env::set_var("RUST_BACKTRACE", "1")
+    }
+
     info!("{} {}", crate_name!(), solana_clap_utils::version!());
     info!("Starting validator with: {:#?}", std::env::args_os());