From d906a5994a3e847c8482e458ad6bc3e36f571f36 Mon Sep 17 00:00:00 2001
From: Stephen Chung <schung@redhat.com>
Date: Tue, 12 Jul 2016 09:40:45 -0400
Subject: [PATCH] Not all files will have a symlink

The linkname field in the header might not always
have a value. Need to check empty linkname.

Signed-off-by: Stephen Chung <schung@redhat.com>
---
 keywords.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/keywords.go b/keywords.go
index f629519..dc008ae 100644
--- a/keywords.go
+++ b/keywords.go
@@ -206,7 +206,10 @@ var (
 	}
 	linkKeywordFunc = func(path string, info os.FileInfo, r io.Reader) (string, error) {
 		if sys, ok := info.Sys().(*tar.Header); ok {
-			return fmt.Sprintf("link=%s", sys.Linkname), nil
+			if sys.Linkname != "" {
+				return fmt.Sprintf("link=%s", sys.Linkname), nil
+			}
+			return "", nil
 		}
 
 		if info.Mode()&os.ModeSymlink != 0 {