From 7154b5c0f1986957f8fc84b5740c7fce78f84de0 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Mon, 27 May 2013 23:36:34 -0700
Subject: [PATCH] packer/rpc: Close the net conn after done sending data for
 Comm

---
 packer/rpc/communicator.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packer/rpc/communicator.go b/packer/rpc/communicator.go
index 857b92277..b16c94e6f 100644
--- a/packer/rpc/communicator.go
+++ b/packer/rpc/communicator.go
@@ -222,6 +222,10 @@ func serveSingleCopy(name string, l net.Listener, dst io.Writer, src io.Reader)
 		return
 	}
 
+	// Be sure to close the connection after we're done copying so
+	// that an EOF will successfully be sent to the remote side
+	defer conn.Close()
+
 	// The connection is the destination/source that is nil
 	if dst == nil {
 		dst = conn