From b15c1ffedcd1d627e6339396179e7691ca83938e Mon Sep 17 00:00:00 2001
From: neilpang <neil@neilpang.com>
Date: Mon, 21 Jan 2019 22:09:13 +0800
Subject: [PATCH] clean TXT records when error happens.
 https://github.com/Neilpang/acme.sh/issues/2037

---
 acme.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/acme.sh b/acme.sh
index ff472867..697a14a4 100755
--- a/acme.sh
+++ b/acme.sh
@@ -2921,7 +2921,10 @@ _clearup() {
 
 _clearupdns() {
   _debug "_clearupdns"
-  if [ "$dnsadded" != 1 ] || [ -z "$vlist" ]; then
+  _debug "dnsadded" "$dnsadded"
+  _debug "vlist" "$vlist"
+  #dnsadded is "0" or "1" means dns-01 method was used for at least one domain
+  if [ -z "$dnsadded" ] || [ -z "$vlist" ]; then
     _debug "skip dns."
     return
   fi