From: Michał Bartoszkiewicz <mbartoszkiewicz@gmail.com>
Date: Sun, 26 Jul 2015 20:25:54 +0000 (+0200)
Subject: Uodpornienie na set -u
X-Git-Url: https://git.bzium.org/embe/embe-profile-files.git/commitdiff_plain/bb2fb60b80c32e3273979158c46e119f0158c501

Uodpornienie na set -u
---

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