From afd80c034cac3fd3e99628eaf9d30f53f82e3866 Mon Sep 17 00:00:00 2001
From: presbrey <presbrey+git@gmail.com>
Date: Fri, 20 Sep 2013 12:47:55 -0400
Subject: [PATCH] fix race/panic on modify+delete

This fixes a race condition when a file is modified and unlinked in the OS before the inotify IsModify event has a chance to call os.Stat.
---
 watch/inotify.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/watch/inotify.go b/watch/inotify.go
index 7cab0fd..d7368e7 100644
--- a/watch/inotify.go
+++ b/watch/inotify.go
@@ -97,6 +97,10 @@ func (fw *InotifyFileWatcher) ChangeEvents(t tomb.Tomb, fi os.FileInfo) *FileCha
 			case evt.IsModify():
 				fi, err := os.Stat(fw.Filename)
 				if err != nil {
+					if os.IsNotExist(err) {
+						changes.NotifyDeleted()
+						return
+					}
 					// XXX: no panic here
 					panic(err)
 				}