From dcb9b9690271784b425bfcba23c2ad06b325faba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Abel=20Mui=C3=B1o?= <amuino@gmail.com>
Date: Fri, 31 Jan 2014 14:48:06 +0100
Subject: [PATCH] Unit test ensuring that a tar.TypeXGlobalHeader does not
 cause an error
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Docker-DCO-1.1-Signed-off-by: Abel Muiño <amuino@gmail.com> (github: amuino)
Upstream-commit: 7b2ec7fb2d13776ab02b63f32821519621b2c4e8
Component: engine
---
 components/engine/archive/archive_test.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/components/engine/archive/archive_test.go b/components/engine/archive/archive_test.go
index a5629deff1..891f977dcf 100644
--- a/components/engine/archive/archive_test.go
+++ b/components/engine/archive/archive_test.go
@@ -1,6 +1,7 @@
 package archive
 
 import (
+	"archive/tar"
 	"bytes"
 	"fmt"
 	"io"
@@ -124,3 +125,14 @@ func TestTarUntar(t *testing.T) {
 		}
 	}
 }
+
+// Some tar archives such as http://haproxy.1wt.eu/download/1.5/src/devel/haproxy-1.5-dev21.tar.gz
+// use PAX Global Extended Headers.
+// Failing prevents the archives from being uncompressed during ADD
+func TestTypeXGlobalHeaderDoesNotFail(t *testing.T) {
+	hdr := tar.Header{Typeflag: tar.TypeXGlobalHeader}
+	err := createTarFile("pax_global_header", "some_dir", &hdr, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+}