From 6f7dae0068327f59e4c0a383155936bbde6643b3 Mon Sep 17 00:00:00 2001
From: Yaroslav Halchenko <debian@onerussian.com>
Date: Wed, 8 Jul 2015 08:54:56 -0400
Subject: [PATCH] ENH: script (ssh_filter_btrbk.sh) should fail if any command
 fails, or var is undefined

---
 ssh_filter_btrbk.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 ssh_filter_btrbk.sh

diff --git a/ssh_filter_btrbk.sh b/ssh_filter_btrbk.sh
old mode 100644
new mode 100755
index ed24614..fd8d799
--- a/ssh_filter_btrbk.sh
+++ b/ssh_filter_btrbk.sh
@@ -1,8 +1,11 @@
 #!/bin/sh
 
+set -e
+set -u
+
 export PATH=/sbin:/bin:/usr/sbin:/usr/bin
 
-if [ "$1" = "-l" ]; then
+if [ "$#" -gt 1 ] && [ "$1" = "-l" ]; then
     enable_log=1
 fi