From 325310b10d780de56449be69619e2a1273de2186 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakobus=20Sch=C3=BCrz?= <jakobus.schuerz@schuerz.at>
Date: Sun, 14 Feb 2021 00:27:47 +0100
Subject: [PATCH] change variable-substitution

---
 myshell_git_sync | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/myshell_git_sync b/myshell_git_sync
index 2694e95..d349aaf 100644
--- a/myshell_git_sync
+++ b/myshell_git_sync
@@ -79,7 +79,7 @@ if ! $SSHS; then
     [ -z "${MSC_GIT_REMOTE_NAME+x}" ] && export MSC_GIT_REMOTE_NAME=origin
     [ -z "${MSC_GIT_BRANCH+x}" ] && export MSC_GIT_BRANCH=master
     # If TAG is set, checkout is always headless. 
-    [ -z "${MSC_GIT_TAG:+x}" ] || { export MSC_GIT_BRANCH=${MSC_GIT_TAG}; export MSC_GIT_CHECKOUTSCRIPT_OPTIONS="-h"; }
+    [ -z "${MSC_GIT_TAG:-x}" ] || { export MSC_GIT_BRANCH=${MSC_GIT_TAG}; export MSC_GIT_CHECKOUTSCRIPT_OPTIONS="-h"; }
 
     #GIT_SSH_PATH="/srv/repos"