From 3c1d4fe5e4afbd33cf5636fec4db9c16a8a13da2 Mon Sep 17 00:00:00 2001
From: Henrik Lissner <henrik@lissner.net>
Date: Thu, 21 Aug 2014 03:28:45 -0400
Subject: [PATCH] Don't load everything on dumb terminals

---
 zshrc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/zshrc b/zshrc
index 6dd75b00..59070578 100644
--- a/zshrc
+++ b/zshrc
@@ -1,5 +1,13 @@
 #!/bin/zsh
 
+# Prevent any of this initialization in non-interactive (or emacs)
+# shell commands. It slows them down.
+[[ $TERM == "dumb" ]] && return
+
+function command_exists {
+    command -v "$1" &> /dev/null
+}
+
 # Source Prezto.
 if [[ -s "${ZDOTDIR:-$HOME}/.zprezto/init.zsh" ]]; then
   source ~/.zsh/preztorc