From 8ecbbe903758d19c347791c809f88350124cb0c4 Mon Sep 17 00:00:00 2001
From: Ben P <ben@megatron.org>
Date: Thu, 11 Aug 2016 11:27:56 -0700
Subject: [PATCH] backticks instead of $() for csh compatibility

---
 builder/docker/communicator.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/builder/docker/communicator.go b/builder/docker/communicator.go
index aa048a1f4..dba50f7a5 100644
--- a/builder/docker/communicator.go
+++ b/builder/docker/communicator.go
@@ -179,7 +179,7 @@ func (c *Communicator) UploadDir(dst string, src string, exclude []string) error
 
 	// Make the directory, then copy into it
 	cmd := &packer.RemoteCmd{
-		Command: fmt.Sprintf("set -e; mkdir -p %s; cd %s; command cp -R $(ls -A .) %s",
+		Command: fmt.Sprintf("set -e; mkdir -p %s; cd %s; command cp -R `ls -A .` %s",
 			containerDst, containerSrc, containerDst),
 	}
 	if err := c.Start(cmd); err != nil {