From 2d6798145a0fb1198158bb9ddad031c45b5268c6 Mon Sep 17 00:00:00 2001
From: James Dinsdale <hi@molovo.co>
Date: Sat, 15 Oct 2016 13:35:36 +0100
Subject: [PATCH] Safer checking of arguments to prevent script breaking in ZSH
 5.0

---
 revolver | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/revolver b/revolver
index 90bfe34..0a230d7 100755
--- a/revolver
+++ b/revolver
@@ -263,14 +263,13 @@ function _revolver() {
     s:=style -style:=style
 
   # Output usage information and exit
-  if [[ $help ]]; then
+  if [[ -n $help ]]; then
     _revolver_usage
     exit 0
   fi
 
   # Output version information and exit
-  if [[ $version ]]; then
-    echo '0.1.1'
+  if [[ -n $version ]]; then
     exit 0
   fi