From 01af87a1f7d8ae5dcd68213bdc8b46047611583a Mon Sep 17 00:00:00 2001
From: Bo Lopker <lopkerk@gmail.com>
Date: Thu, 25 Apr 2013 15:19:46 -0700
Subject: [PATCH] Changed which to command for more accurate results.

---
 plugins/debian/debian.plugin.zsh | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/plugins/debian/debian.plugin.zsh b/plugins/debian/debian.plugin.zsh
index 55b90e379..b60f9f6e2 100644
--- a/plugins/debian/debian.plugin.zsh
+++ b/plugins/debian/debian.plugin.zsh
@@ -4,16 +4,26 @@
 #
 # Debian-related zsh aliases and functions for zsh
 
+# Function to check if a command exists
+exists() {
+    if command -v $1 >/dev/null 2>&1 
+    then
+        return 0
+    else
+        return 1
+    fi
+}
+
 # Use aptitude if installed, or apt-get if not.
 # You can just set apt_pref='apt-get' to override it.
-if [[ -e $( which aptitude 2>&1 ) ]]; then
+if exists aptitude; then
     apt_pref='aptitude'
 else
     apt_pref='apt-get'
 fi
 
 # Use sudo by default if it's installed
-if [[ -e $( which sudo 2>&1 ) ]]; then
+if exists sudo; then
     use_sudo=1
 fi