From 9332c00ca562e97045490d3d45d8f805fae30330 Mon Sep 17 00:00:00 2001
From: Michael Crosby <crosby.michael@gmail.com>
Date: Thu, 25 Jul 2013 00:35:52 +0000
Subject: [PATCH] Copy authConfigs on save so data is not modified

SaveConfig sets the Username and Password to an empty string
on save.  A copy of the authConfigs need to be made so that the
in memory data is not modified.
---
 auth/auth.go | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/auth/auth.go b/auth/auth.go
index bffed49807..39de876875 100644
--- a/auth/auth.go
+++ b/auth/auth.go
@@ -116,14 +116,19 @@ func SaveConfig(configFile *ConfigFile) error {
 		os.Remove(confFile)
 		return nil
 	}
+
+	configs := make(map[string]AuthConfig, len(configFile.Configs))
 	for k, authConfig := range configFile.Configs {
-		authConfig.Auth = encodeAuth(&authConfig)
-		authConfig.Username = ""
-		authConfig.Password = ""
-		configFile.Configs[k] = authConfig
+		authCopy := authConfig
+
+		authCopy.Auth = encodeAuth(&authCopy)
+		authCopy.Username = ""
+		authCopy.Password = ""
+
+		configs[k] = authCopy
 	}
 
-	b, err := json.Marshal(configFile.Configs)
+	b, err := json.Marshal(configs)
 	if err != nil {
 		return err
 	}