From 7b63ebfcaa8e59d6099953de14b0c20e0be722e2 Mon Sep 17 00:00:00 2001
From: Vinicius Mello <vmmello@vmmello.eti.br>
Date: Thu, 7 Nov 2024 12:33:56 -0300
Subject: [PATCH] fix random failures due to unnecessary headers on requests

was unintendedly replaying the save _H4 header on all requests, what was
causing random failures on responses from the API.
---
 dnsapi/dns_linode_v4.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dnsapi/dns_linode_v4.sh b/dnsapi/dns_linode_v4.sh
index a4cec0b3..fc59c342 100755
--- a/dnsapi/dns_linode_v4.sh
+++ b/dnsapi/dns_linode_v4.sh
@@ -192,6 +192,10 @@ _rest() {
     response="$(_get "$LINODE_V4_API_URL$ep$data")"
   fi
 
+  # unset _H4, for it not to be used on every request unnecessarily, because it
+  # causes random failures inside Linode API when using unnecessary _H4 parameters (e.g. X-Filter)
+  unset _H4
+
   if [ "$?" != "0" ]; then
     _err "error $ep"
     return 1