diff -r e77dad242f4c -r 2a9ec03fe5a1 vendor/github.com/fsnotify/fsnotify/open_mode_darwin.go
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/github.com/fsnotify/fsnotify/open_mode_darwin.go	Sat Sep 29 18:09:54 2018 +0200
@@ -0,0 +1,12 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin
+
+package fsnotify
+
+import "golang.org/x/sys/unix"
+
+// note: this constant is not defined on BSD
+const openMode = unix.O_EVTONLY