From fddbf73a57dd5cf980d2eb32e025591a8e0e33cc Mon Sep 17 00:00:00 2001
From: Ted Reed <ted.reed@gmail.com>
Date: Fri, 6 Nov 2015 17:10:28 -0800
Subject: [PATCH] De-obfuscate error message

Previously, this error message would stringify as a pointer address,
which isn't particularly helpful.

This change breaks out the elements of the challenge object such that
the error is appropriately represented.

Signed-off-by: Ted Reed <ted.reed@gmail.com>
---
 registry/auth/htpasswd/access.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/registry/auth/htpasswd/access.go b/registry/auth/htpasswd/access.go
index 5ac3d84a7..82d3556dc 100644
--- a/registry/auth/htpasswd/access.go
+++ b/registry/auth/htpasswd/access.go
@@ -94,7 +94,7 @@ func (ch challenge) SetHeaders(w http.ResponseWriter) {
 }
 
 func (ch challenge) Error() string {
-	return fmt.Sprintf("basic authentication challenge: %#v", ch)
+	return fmt.Sprintf("basic authentication challenge for realm %q: %s", ch.realm, ch.err)
 }
 
 func init() {