another try to implement method in

Signed-off-by: Juan Bustamante <[email protected]>

pkg/archive/archive_windows.go

@@ -6,7 +6,17 @@ import (
 )
 
 func hasHardlinks(fi os.FileInfo) bool {
-	return fi.Sys().(*syscall.ByHandleFileInformation).NumberOfLinks > 1
+	// A hard link is the file-system representation of a file by which more than one path references a single file in the same volume.
+	switch v := fi.Sys().(type) {
+	case *syscall.Win32FileAttributeData:
+		return len(v.FileName) > 1
+	case *syscall.ByHandleFileInformation:
+		return v.NumberOfLinks > 1
+	case *syscall.Win32finddata:
+		return len(v.FileName) > 1
+	default:
+		return false
+	}
 }
 
 func getInodeFromStat(stat interface{}) (inode uint64, err error) {

pkg/buildpack/buildpack_test.go

@@ -527,7 +527,7 @@ version = "1.2.3"
 				os.RemoveAll(filepath.Join(bpRootFolder, "original-file-2"))
 			})
 
-			it("hardlink is preserved in the output tar file", func() {
+			it.Focus("hardlink is preserved in the output tar file", func() {
 				bp, err := buildpack.FromBuildpackRootBlob(
 					blob.NewBlob(bpRootFolder),
 					archive.DefaultTarWriterFactory(),