From 49336e7450df90a81a33f0934f539afe2427c70e Mon Sep 17 00:00:00 2001
From: Peng Li <seudut@gmail.com>
Date: Sun, 22 Jan 2017 15:05:59 +0800
Subject: [PATCH] fix installation issue, check command before run it

---
 zsh/zshrc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/zsh/zshrc b/zsh/zshrc
index d8f77ff..90b0c45 100644
--- a/zsh/zshrc
+++ b/zsh/zshrc
@@ -208,7 +208,10 @@ export ZSHHOME="$HOME/.zsh"
 
 
 #` git log --oneline --abbrev-commit --all --graph --decorate --color `
-[[ -s `brew --prefix`/etc/autojump.sh ]] && . `brew --prefix`/etc/autojump.sh
+`which brew`  &> /dev/null
+if [ $? -eq 0 ]; then
+	[[ -s `brew --prefix`/etc/autojump.sh ]] && . `brew --prefix`/etc/autojump.sh
+fi
 
 alias emacs='TERM=xterm-256color emacs -nw'
 
-- 
2.11.0