From b117a18b7a068ee7a20ffea83b6f475a93b1bfff Mon Sep 17 00:00:00 2001
From: Nick Nisi <nick@nisi.org>
Date: Sun, 17 Apr 2016 08:51:49 -0500
Subject: [PATCH] add check for reattach-to-user-namespace

if reattach-to-user-name-space exists, run it, otherwise just run the shell

* create login-shell command to perform this check
* update tmux.conf to run login-shell instead of reattach-to-user-namespace directly
---
 bin/login-shell        | 10 ++++++++++
 tmux/tmux.conf.symlink |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100755 bin/login-shell

diff --git a/bin/login-shell b/bin/login-shell
new file mode 100755
index 0000000..499d5f7
--- /dev/null
+++ b/bin/login-shell
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+shell=$(basename "$SHELL")
+
+# check if reattach-to-user-namespace is available
+if [ -n "$(command -v reattach-to-user-namespace)" ]; then
+    reattach-to-user-namespace -l "$shell"
+else
+    exec "$shell -l"
+fi
diff --git a/tmux/tmux.conf.symlink b/tmux/tmux.conf.symlink
index 834d928..4643a47 100644
--- a/tmux/tmux.conf.symlink
+++ b/tmux/tmux.conf.symlink
@@ -1,4 +1,4 @@
-set -g default-command "reattach-to-user-namespace -l zsh"
+set -g default-command "login-shell"
 # tmux display things in 256 colors
 set -g default-terminal "tmux-256color-italic"
 set -g status-utf8 on