From b86f67126c86a07aac155f38aefd6c1ef538e24d Mon Sep 17 00:00:00 2001
From: Alexander Larsson <alexl@redhat.com>
Date: Thu, 5 Sep 2013 20:11:18 +0200
Subject: [PATCH] Archive: Fix up tar commandline arguments in TarFilter()

There is no need to duplicate the compression flags for
every element in the filter.
---
 archive.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/archive.go b/archive.go
index bb019fb033..80b305a418 100644
--- a/archive.go
+++ b/archive.go
@@ -90,8 +90,9 @@ func TarFilter(path string, compression Compression, filter []string) (io.Reader
 	if filter == nil {
 		filter = []string{"."}
 	}
+	args = append(args, "-c"+compression.Flag())
 	for _, f := range filter {
-		args = append(args, "-c"+compression.Flag(), f)
+		args = append(args, f)
 	}
 	return CmdStream(exec.Command(args[0], args[1:]...))
 }