From 8cce8ee65d7f5b5eb841d1f2876b969656d50af6 Mon Sep 17 00:00:00 2001
From: Sorin Ionescu <sorin.ionescu@gmail.com>
Date: Mon, 26 Mar 2012 18:29:06 -0400
Subject: [PATCH] [#63] Replace $SHLVL with $TMUX

---
 plugins/tmux/init.zsh | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/plugins/tmux/init.zsh b/plugins/tmux/init.zsh
index b58db7c..97875fe 100644
--- a/plugins/tmux/init.zsh
+++ b/plugins/tmux/init.zsh
@@ -20,9 +20,7 @@ alias ta="tmux attach-session"
 alias tl="tmux list-sessions"
 
 # Auto Start
-if (( $SHLVL == 1 )) && zstyle -t ':omz:plugin:tmux:auto' start; then
-  (( SHLVL += 1 )) && export SHLVL
-
+if [[ -z "$TMUX" ]] && zstyle -t ':omz:plugin:tmux:auto' start; then
   session="$(
     tmux list-sessions 2> /dev/null \
       | cut -d':' -f1 \