From da3ad9cbdaa332ed9384799e4b3198b9e55c5cd3 Mon Sep 17 00:00:00 2001
From: Kairui Song <kasong@redhat.com>
Date: Wed, 4 Aug 2021 15:47:43 +0800
Subject: [PATCH] dracut-module-setup.sh: use "*" to expend array as string

As suggested by:
https://github.com/koalaman/shellcheck/wiki/SC2199
The array is not quoted here but implicitly concatenate still happens,
could be harmless but shellcheck complains about it so fix it.

Signed-off-by: Kairui Song <kasong@redhat.com>
Acked-by: Philipp Rudo <prudo@redhat.com>
---
 dracut-module-setup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dracut-module-setup.sh b/dracut-module-setup.sh
index 815abeb..3d465c4 100755
--- a/dracut-module-setup.sh
+++ b/dracut-module-setup.sh
@@ -94,7 +94,7 @@ kdump_setup_dns() {
 
     _tmp=$(get_nmcli_value_by_field "$_nm_show_cmd" "IP4.DNS")
     array=(${_tmp//|/ })
-    if [[ ${array[@]} ]]; then
+    if [[ ${array[*]} ]]; then
         for _dns in "${array[@]}"
         do
             echo "nameserver=$_dns" >> "$_dnsfile"