From d61f1d26ebbffd5c3b414331f2e15aa18334ad41 Mon Sep 17 00:00:00 2001
From: Hui Li <huili@taosdata.com>
Date: Wed, 23 Dec 2020 12:03:00 +0800
Subject: [PATCH] [TD-2531]<fix> support interactive in rpm package

---
 packaging/tools/post.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packaging/tools/post.sh b/packaging/tools/post.sh
index fc0caba5aa..7a416c5576 100755
--- a/packaging/tools/post.sh
+++ b/packaging/tools/post.sh
@@ -265,8 +265,14 @@ function install_config() {
         [ -f ${cfg_dir}/taos.cfg ] && ${csudo} cp ${cfg_dir}/taos.cfg ${cfg_install_dir}
         ${csudo} chmod 644 ${cfg_install_dir}/*
     fi
+    
+    # Save standard input to 6 and open / dev / TTY on standard input
+    exec 6<&0 0</dev/tty 
 
     local_fqdn_check
+    
+    # restore the backup standard input, and turn off 6
+    exec 0<&6 6<&-
 
     ${csudo} mv ${cfg_dir}/taos.cfg ${cfg_dir}/taos.cfg.org
     ${csudo} ln -s ${cfg_install_dir}/taos.cfg ${cfg_dir}
-- 
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