From 2e79377851962f5983a4cd8ccda689920fb6ef9f Mon Sep 17 00:00:00 2001
From: Vlad Losev <vlad@vsco.co>
Date: Mon, 20 Mar 2017 18:08:26 -0700
Subject: [PATCH] Restores error propagation from fsnotify.Watcher.Add.

---
 watch/inotify.go         | 2 +-
 watch/inotify_tracker.go | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/watch/inotify.go b/watch/inotify.go
index 4f6c031..f94ebdb 100644
--- a/watch/inotify.go
+++ b/watch/inotify.go
@@ -99,7 +99,7 @@ func (fw *InotifyFileWatcher) ChangeEvents(t *tomb.Tomb, pos int64) (*FileChange
 			//With an open fd, unlink(fd) - inotify returns IN_ATTRIB (==fsnotify.Chmod)
 			case evt.Op&fsnotify.Chmod == fsnotify.Chmod:
 				if _, err := os.Stat(fw.Filename); err != nil {
-					if ! os.IsNotExist(err) {
+					if !os.IsNotExist(err) {
 						return
 					}
 				}
diff --git a/watch/inotify_tracker.go b/watch/inotify_tracker.go
index 707e0fa..d68ab61 100644
--- a/watch/inotify_tracker.go
+++ b/watch/inotify_tracker.go
@@ -153,7 +153,9 @@ func (shared *InotifyTracker) addWatch(winfo *watchInfo) error {
 	if shared.watchNums[fname] == 0 {
 		err = shared.watcher.Add(fname)
 	}
-	shared.watchNums[fname]++
+	if err == nil {
+		shared.watchNums[fname]++
+	}
 	return err
 }