From bb2fb60b80c32e3273979158c46e119f0158c501 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Micha=C5=82=20Bartoszkiewicz?= <mbartoszkiewicz@gmail.com>
Date: Sun, 26 Jul 2015 22:25:54 +0200
Subject: [PATCH] Uodpornienie na set -u

---
 prefix.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/prefix.sh b/prefix.sh
index 092a0a8..e5972b2 100644
--- a/prefix.sh
+++ b/prefix.sh
@@ -1,3 +1,3 @@
-[[ -z "$BASH_VERSION" ]] || shopt -q login_shell || return
-[[ -z "$ZSH_VERSION" ]] || [[ -o login ]] || return
+[[ -z "${BASH_VERSION+set}" ]] || shopt -q login_shell || return
+[[ -z "${ZSH_VERSION+set}" ]] || [[ -o login ]] || return
 [[ "$-" == *i* ]] || return
-- 
2.43.2