From 7ed4f205ad86501c86f1f51533170bed187f7b8f Mon Sep 17 00:00:00 2001
From: Honza Pokorny <me@honza.ca>
Date: Sat, 7 Jan 2017 08:43:58 -0400
Subject: [PATCH] Avoid unwrap when determining proper shell to use

---
 src/tty.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/tty.rs b/src/tty.rs
index 78e2a8ff..ad89397d 100644
--- a/src/tty.rs
+++ b/src/tty.rs
@@ -208,7 +208,10 @@ fn execsh(config: &Config) -> ! {
     let pw = get_pw_entry(&mut buf);
 
     let shell = match config.shell() {
-        Some(shell) => shell.to_str().unwrap(),
+        Some(shell) => match shell.to_str() {
+            Some(shell) => shell,
+            None => die!("Invalid shell value")
+        },
         None => pw.shell
     };