From 1a75fccb43c9bf3cbe2c14a807c20727a988de96 Mon Sep 17 00:00:00 2001
From: Stephen J Day <stephen.day@docker.com>
Date: Fri, 5 Dec 2014 14:34:54 -0800
Subject: [PATCH] Address PathNotFoundError in (*manifestStore).Exists

Exists was returning an error when encountering a PathNotFoundError when it
should just return false without an error.
---
 storage/manifeststore.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/storage/manifeststore.go b/storage/manifeststore.go
index a6bdf3b34..ebbc6b3c7 100644
--- a/storage/manifeststore.go
+++ b/storage/manifeststore.go
@@ -24,7 +24,12 @@ func (ms *manifestStore) Exists(name, tag string) (bool, error) {
 
 	fi, err := ms.driver.Stat(p)
 	if err != nil {
-		return false, err
+		switch err.(type) {
+		case storagedriver.PathNotFoundError:
+			return false, nil
+		default:
+			return false, err
+		}
 	}
 
 	if fi.IsDir() {