From 49f44b837d976d45dbdfb2d117416d4090ac0db9 Mon Sep 17 00:00:00 2001
From: Michael Gehring <mg@ebfe.org>
Date: Sun, 18 May 2014 12:15:49 +0200
Subject: [PATCH] mkdir: exit with error if no directory given

---
 mkdir/mkdir.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mkdir/mkdir.rs b/mkdir/mkdir.rs
index 81d12f4b4..4d4084bcf 100644
--- a/mkdir/mkdir.rs
+++ b/mkdir/mkdir.rs
@@ -79,6 +79,9 @@ fn main() {
     };
 
     let dirs = matches.free;
+    if dirs.is_empty() {
+        crash!(1, "missing operand");
+    }
     exec(dirs, mk_parents, mode, verbose_flag);
 }