From aa448efb6d863e8037c4072d44286dc16dab6085 Mon Sep 17 00:00:00 2001
From: Dict Xiong <me@beardic.cn>
Date: Sat, 29 Oct 2022 22:36:25 +0800
Subject: [PATCH] introduce DFS_QUIET

---
 tools/common.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/common.sh b/tools/common.sh
index f3f716b..53dfa89 100755
--- a/tools/common.sh
+++ b/tools/common.sh
@@ -103,13 +103,14 @@ setup_color() {
 
 ask_for_yN()
 {
-    while true; do
+    while [[ -z "$DFS_QUIET" ]]; do
         read -p "${FMT_YELLOW}$1${FMT_RESET} [yN]: " yn
         case $yn in
             [Yy]* ) return 1;;
             * ) return 0;;
         esac
     done
+    return 0
 }
 
 post_log()