fix for #1

.tmux.conf

@@ -136,9 +136,5 @@ bind M command-prompt -p "Man page:" "new-window -n 'man %1' 'exec man %1'"
 # Double tapping the prefix jumps to last window
 bind-key C-b last-window
 
-##########################################
-### special settings for MacOS
-##########################################
-# url: https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard
-#set-option -g default-command "reattach-to-user-namespace -l bash"
-#set-option -g default-command "reattach-to-user-namespace -l zsh"
+# special settings for MacOS
+if-shell 'test "$(uname)" = "Darwin"' 'source ~/.tmux-osx.conf'