From 00f6bae72e77b3772413cfa5b7cf790b6e670935 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Mon, 16 Sep 2013 23:46:12 +0200
Subject: [PATCH] zsh/rc: Check if the multiplexer is available.

---
 zsh/rc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/zsh/rc b/zsh/rc
index 8b5a333..6b646b5 100644
--- a/zsh/rc
+++ b/zsh/rc
@@ -853,6 +853,15 @@ source_config ~/.zsh/rc.local
 
 # RUN COMMANDS
 
+# Make sure the multiplexer is available. Otherwise the exec terminates our
+# session.
+if [[ -n $zshrc_use_multiplexer ]]; then
+    if ! (( $+commands[$zshrc_use_multiplexer] )); then
+        echo "Multiplexer '$zshrc_use_multiplexer' not found." >&2
+        zshrc_use_multiplexer=
+    fi
+fi
+
 # If not already in screen or tmux, reattach to a running session or create a
 # new one. This also starts screen/tmux on a remote server when connecting
 # through ssh.
-- 
2.44.1