From c83c03ed63df305dfeedcc39bb56a83ff67e0e07 Mon Sep 17 00:00:00 2001
From: Alexander Neumann <alexander@bumpern.de>
Date: Mon, 30 Apr 2018 15:31:08 +0200
Subject: [PATCH] archiver: Fix blocking on pipes

---
 internal/archiver/archiver.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/archiver/archiver.go b/internal/archiver/archiver.go
index 677976153..9970e45b3 100644
--- a/internal/archiver/archiver.go
+++ b/internal/archiver/archiver.go
@@ -334,7 +334,7 @@ func (arch *Archiver) Save(ctx context.Context, snPath, target string, previous
 	var fi os.FileInfo
 	var errFI error
 
-	file, errOpen := arch.FS.OpenFile(target, fs.O_RDONLY|fs.O_NOFOLLOW, 0)
+	file, errOpen := arch.FS.OpenFile(target, fs.O_RDONLY|fs.O_NOFOLLOW|fs.O_NONBLOCK, 0)
 	if errOpen == nil {
 		fi, errFI = file.Stat()
 	}