From 2cf1d8f13e5ac6906339f12367c2ec233a989245 Mon Sep 17 00:00:00 2001
From: Michael Marineau <michael.marineau@coreos.com>
Date: Wed, 11 Nov 2015 15:10:30 -0800
Subject: [PATCH] omaha: support using status codes as error values

---
 omaha/codes.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/omaha/codes.go b/omaha/codes.go
index 8eefeb2..783491a 100644
--- a/omaha/codes.go
+++ b/omaha/codes.go
@@ -155,8 +155,14 @@ const (
 
 	// Extra error values
 	AppInvalidVersion AppStatus = "error-invalidVersion"
+	AppInternalError  AppStatus = "error-internal"
 )
 
+// Make AppStatus easy to use as an error
+func (a AppStatus) Error() string {
+	return string(a)
+}
+
 type UpdateStatus string
 
 const (
@@ -168,3 +174,8 @@ const (
 	UpdateHashError            UpdateStatus = "error-hash"
 	UpdateInternalError        UpdateStatus = "error-internal"
 )
+
+// Make UpdateStatus easy to use as an error
+func (u UpdateStatus) Error() string {
+	return string(u)
+}