From 892ca196f11040d816af347aa774e67785d32bb8 Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@gmail.com>
Date: Fri, 15 Nov 2019 10:39:05 -0700
Subject: [PATCH] Improve error message when unable to read a file (#6978)

---
 genesis/src/main.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/genesis/src/main.rs b/genesis/src/main.rs
index ece329fc6a..fac46f0196 100644
--- a/genesis/src/main.rs
+++ b/genesis/src/main.rs
@@ -33,6 +33,7 @@ pub enum AccountFileFormat {
 fn pubkey_from_file(key_file: &str) -> Result<Pubkey, Box<dyn error::Error>> {
     read_pubkey_file(key_file)
         .or_else(|_| read_keypair_file(key_file).map(|keypair| keypair.pubkey()))
+        .map_err(|err| format!("Failed to read {}: {}", key_file, err).into())
 }
 
 fn pubkey_from_str(key_str: &str) -> Result<Pubkey, Box<dyn error::Error>> {