From 5ee57f18df26499c4fc5abaf5138cd649d09a6db Mon Sep 17 00:00:00 2001
From: Enrico Lumetti <enrico.lumetti@gmail.com>
Date: Tue, 30 Aug 2016 16:48:21 +0200
Subject: [PATCH] Invoke tmux only after checking its existence

---
 rc/extra/tmux-repl.kak | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/rc/extra/tmux-repl.kak b/rc/extra/tmux-repl.kak
index 5f96bd30..55919d0e 100644
--- a/rc/extra/tmux-repl.kak
+++ b/rc/extra/tmux-repl.kak
@@ -3,10 +3,10 @@
 
 hook global KakBegin .* %{
     %sh{
-        VERSION_TMUX=$(tmux -V)
-        VERSION_TMUX=$(expr "${VERSION_TMUX}" : 'tmux \([0-9]*\).*')
-
         if [ -n "$TMUX" ]; then
+            VERSION_TMUX=$(tmux -V)
+            VERSION_TMUX=$(expr "${VERSION_TMUX}" : 'tmux \([0-9]*\).*')
+
             if [ "${VERSION_TMUX}" -gt 1 ]; then
                 echo "
                     alias global repl tmux-repl-horizontal