From cba97c58d5a6b93fc2ec1d415efa602332e530d1 Mon Sep 17 00:00:00 2001
From: Trey Valenta <tvalenta@domaintools.com>
Date: Fri, 20 Sep 2019 16:37:04 -0700
Subject: [PATCH] Pass the head option to curl When curl is using http1/1 and
 "-X HEAD", curl may hang on the new-nonce request from
 https://acme-staging-v02.api.letsencrypt.org/acme/new-nonce

---
 acme.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/acme.sh b/acme.sh
index 980dc02f..a18d6239 100755
--- a/acme.sh
+++ b/acme.sh
@@ -1878,7 +1878,7 @@ _send_signed_request() {
       if [ "$ACME_NEW_NONCE" ]; then
         _debug2 "Get nonce with HEAD. ACME_NEW_NONCE" "$ACME_NEW_NONCE"
         nonceurl="$ACME_NEW_NONCE"
-        if _post "" "$nonceurl" "" "HEAD" "$__request_conent_type"; then
+        if _post "" "$nonceurl" "" "HEAD --head" "$__request_conent_type"; then
           _headers="$(cat "$HTTP_HEADER")"
           _debug2 _headers "$_headers"
           _CACHED_NONCE="$(echo "$_headers" | grep -i "Replay-Nonce:" | _head_n 1 | tr -d "\r\n " | cut -d ':' -f 2)"