From 16b2d41dd6a27db8d9a064ffc16c5d5f23c19b6a Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@gmail.com>
Date: Thu, 16 Apr 2020 10:10:59 -0700
Subject: [PATCH] Improve error message on `solana-keygen new` filesystem
 permission errors

---
 keygen/src/keygen.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/keygen/src/keygen.rs b/keygen/src/keygen.rs
index 233891212d..0642fefb9b 100644
--- a/keygen/src/keygen.rs
+++ b/keygen/src/keygen.rs
@@ -457,7 +457,8 @@ fn do_main(matches: &ArgMatches<'_>) -> Result<(), Box<dyn error::Error>> {
             let keypair = keypair_from_seed(seed.as_bytes())?;
 
             if let Some(outfile) = outfile {
-                output_keypair(&keypair, &outfile, "new")?;
+                output_keypair(&keypair, &outfile, "new")
+                    .map_err(|err| format!("Unable to write {}: {}", outfile, err))?;
             }
 
             let silent = matches.is_present("silent");