watcher: handle renames

rsync copies to temporary files first, and then renames to the proper name.

Author: mpolden

watcher/watcher_linux.go

@@ -5,4 +5,4 @@ package watcher
 import "github.com/rjeczalik/notify"
 
 // Watch IN_CLOSE_WRITE events on Linux to reduce the number of events to process
-const notifyFlag = notify.InCloseWrite
+const notifyFlag = notify.InCloseWrite | notify.InMovedTo

watcher/watcher_notlinux.go

@@ -4,4 +4,4 @@ package watcher
 
 import "github.com/rjeczalik/notify"
 
-const notifyFlag = notify.Write
+const notifyFlag = notify.Write | notify.Rename