From e2214106eeb2d7ed41e6a0c2f0eb02d7815d0b97 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sun, 9 Jun 2013 23:06:47 -0700
Subject: [PATCH] packer: Cache keys should be hex encoded to string

---
 packer/cache.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packer/cache.go b/packer/cache.go
index 6a367253a..6f8d14134 100644
--- a/packer/cache.go
+++ b/packer/cache.go
@@ -2,6 +2,7 @@ package packer
 
 import (
 	"crypto/sha256"
+	"encoding/hex"
 	"path/filepath"
 	"sync"
 )
@@ -69,7 +70,7 @@ func (f *FileCache) RUnlock(key string) {
 func (f *FileCache) hashKey(key string) string {
 	sha := sha256.New()
 	sha.Write([]byte(key))
-	return string(sha.Sum(nil))
+	return hex.EncodeToString(sha.Sum(nil))
 }
 
 func (f *FileCache) rwLock(hashKey string) *sync.RWMutex {