From e189acb4d63724d096f6db3b26fbedfbdcda183d Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Sat, 21 Jun 2014 14:35:22 +0200
Subject: [PATCH] use set -eu

Also correct check if $SSH_CONNECTION is set.
---
 setup.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/setup.sh b/setup.sh
index 08efb21..ee5fed1 100755
--- a/setup.sh
+++ b/setup.sh
@@ -18,7 +18,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-set -e
+set -eu
 
 . ../lib.sh
 
@@ -132,7 +132,7 @@ if terminal_available screen-256color; then
         echo 'screenrc: running on virtual terminal, disabling 256 colors'
     # Called through SSH connection, assume the local system supports 256
     # colors.
-    elif test -n "$SSH_CONNECTION"; then
+    elif test -n "${SSH_CONNECTION:+set}"; then
         use_256colors=1
     # We have rxvt-unicode installed, check if it supports 256 colors.
     elif installed urxvt; then
-- 
2.45.2