From 8cf6675ce459432c4713e41cea951d87b3627ee8 Mon Sep 17 00:00:00 2001
From: Mariano Cano <mariano.cano@gmail.com>
Date: Mon, 19 Sep 2022 12:48:35 -0700
Subject: [PATCH] Return the internal error instead of the ACME error

For ACME errors, return the internal error string instead of the
ACME one on the "Error() string" function. This way the logs will
have more information about the cause of an error.

Fixes #1057
---
 acme/errors.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/acme/errors.go b/acme/errors.go
index 95c006b7..3158b19b 100644
--- a/acme/errors.go
+++ b/acme/errors.go
@@ -337,7 +337,10 @@ func (e *Error) StatusCode() int {
 
 // Error allows AError to implement the error interface.
 func (e *Error) Error() string {
-	return e.Detail
+	if e.Err == nil {
+		return e.Detail
+	}
+	return e.Err.Error()
 }
 
 // Cause returns the internal error and implements the Causer interface.