From 378b910af695ab641c3b448339d8d79b7a15acd7 Mon Sep 17 00:00:00 2001
From: John Koelndorfer <jkoelndorfer@gmail.com>
Date: Tue, 1 Sep 2015 18:55:14 -0500
Subject: [PATCH] Use defined to check if ICON_USER_VARIABLE is defined.

---
 powerlevel9k.zsh-theme | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index d5f77148..3b89b1df 100644
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -60,7 +60,7 @@ function print_icon() {
   local icon_name=$1
   local ICON_USER_VARIABLE=POWERLEVEL9K_${icon_name}
   local USER_ICON=${(P)ICON_USER_VARIABLE}
-  if [[ -n "$USER_ICON" ]]; then
+  if defined "$ICON_USER_VARIABLE"; then
     echo -n $USER_ICON
   else
     echo -n ${icons[$icon_name]}