From a288c2b3a3d867a1c25d5627357bfc16e7b083fe Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Wed, 9 Sep 2015 23:22:41 +0100
Subject: [PATCH] Make a retry error wrapper for a plain error

---
 fs/fs.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/fs/fs.go b/fs/fs.go
index 8e8cbe065..c213a522b 100644
--- a/fs/fs.go
+++ b/fs/fs.go
@@ -222,6 +222,24 @@ func RetryErrorf(format string, a ...interface{}) error {
 	return retryError(fmt.Sprintf(format, a...))
 }
 
+// PlainRetryError is an error wrapped so it will retry
+type plainRetryError struct {
+	error
+}
+
+// Retry interface
+func (_ plainRetryError) Retry() bool {
+	return true
+}
+
+// Check interface
+var _ Retry = plainRetryError{(error)(nil)}
+
+// RetryError makes an error which indicates it would like to be retried
+func RetryError(err error) error {
+	return plainRetryError{err}
+}
+
 // A channel of Objects
 type ObjectsChan chan Object