From: Simon Ruderich <simon@ruderich.org>
Date: Mon, 16 Sep 2013 21:46:12 +0000 (+0200)
Subject: zsh/rc: Check if the multiplexer is available.
X-Git-Url: https://ruderich.org/simon/gitweb/?p=config%2Fdotfiles.git;a=commitdiff_plain;h=00f6bae72e77b3772413cfa5b7cf790b6e670935

zsh/rc: Check if the multiplexer is available.
---

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.