From 0887152e2e0f4033d33f83b35fb88a78eb2e3dd5 Mon Sep 17 00:00:00 2001
From: Ivan Malison <IvanMalison@gmail.com>
Date: Fri, 26 Aug 2016 16:37:13 -0700
Subject: [PATCH] Add command_exists function

---
 dotfiles/lib/setup_functions.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dotfiles/lib/setup_functions.sh b/dotfiles/lib/setup_functions.sh
index 55ec8840..ed753802 100644
--- a/dotfiles/lib/setup_functions.sh
+++ b/dotfiles/lib/setup_functions.sh
@@ -34,3 +34,7 @@ function environment_variable_exists {
     eval "value=\"\${$1+x}\""
     [ ! -z $value ]
 }
+
+function command_exists {
+    hash "$1" 2>/dev/null 1>/dev/null
+}