From 5ea5f588a964e46fefcac1efabb7f241c719f7ac Mon Sep 17 00:00:00 2001
From: Mario Krehl <mkrehl@science-computing.de>
Date: Wed, 7 Sep 2016 10:12:55 +0200
Subject: [PATCH] Fix panics due to unwrap on Option::None

---
 bin/src/main.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bin/src/main.rs b/bin/src/main.rs
index 25d47ce3..12af035e 100644
--- a/bin/src/main.rs
+++ b/bin/src/main.rs
@@ -170,7 +170,11 @@ fn main() {
 
     match matches.subcommand() {
         (subcommand, Some(scmd)) => {
-            let subcommand_args : Vec<&str> = scmd.values_of("").unwrap().collect();
+            debug!("Calling with subcommand: {}", subcommand);
+            let subcommand_args : Vec<&str> = match scmd.values_of("") {
+                Some(values) => values.collect(),
+                None => Vec::new()
+            };
             debug!("Calling 'imag-{}' with args: {:?}", subcommand, subcommand_args);
 
             match Command::new(format!("imag-{}", subcommand))