From 3b7d2fee2bb31eb93e34aba0fab2bba283ae7025 Mon Sep 17 00:00:00 2001
From: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
Date: Sat, 4 Aug 2018 03:54:00 +0200
Subject: [PATCH] Fix undefined variable warn_msg on amd64

Fixes: 6ad614bd

Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
---
 bootstrap-salt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bootstrap-salt.sh b/bootstrap-salt.sh
index 7279aa0..6005a83 100755
--- a/bootstrap-salt.sh
+++ b/bootstrap-salt.sh
@@ -1353,7 +1353,7 @@ __check_dpkg_architecture() {
             ;;
     esac
 
-    if [ "${warn_msg}" != "" ]; then
+    if [ "${warn_msg:-}" != "" ]; then
         # AArch64: Do not fail at this point, but warn the user about experimental support
         # See https://github.com/saltstack/salt-bootstrap/issues/1240
         echowarn "${warn_msg}"