From 391c3390e89d4a5f8e8c8baa2f747867e1ad23e6 Mon Sep 17 00:00:00 2001
From: 10sr <8slashes+git@gmail.com>
Date: Fri, 3 Jun 2016 09:21:37 +0900
Subject: [PATCH] Fix tmux alias

---
 shrc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/shrc b/shrc
index 4717b69..fef66b7 100755
--- a/shrc
+++ b/shrc
@@ -640,9 +640,9 @@ __realpath(){
 if $isdarwin
 then
     # I want to use env -u, but darwin env does not provide this option
-    __safe_alias tmux='SHLVL= tmux'
+    null type tmux && alias tmux='SHLVL= tmux'
 else
-    __safe_alias tmux='env -u SHLVL tmux'
+    null type tmux && alias tmux='env -u SHLVL tmux'
 fi
 tx(){
     tmux start-server