From 79e30f94c241ae4a1edf835bf92f4272d257ddc1 Mon Sep 17 00:00:00 2001
From: Bohan Yang <youthdna@live.com>
Date: Mon, 9 Nov 2020 03:05:58 +0000
Subject: [PATCH] Fix prompt password

---
 netboot.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/netboot.sh b/netboot.sh
index ebec18c..8a0844a 100755
--- a/netboot.sh
+++ b/netboot.sh
@@ -18,7 +18,9 @@ _late_command() {
 }
 
 _prompt_password() {
-    [ -z "$password" ] && read -rs -p 'Password: ' password
+    if [ -z "$password" ]; then
+        read -rs -p 'Password: ' password
+    fi
 }
 
 ip=