git-annex-5.20140517: Utility/DirWatcher/Types.hs

{- generic directory watching types
 -
 - Copyright 2012 Joey Hess <joey@kitenet.net>
 -
 - License: BSD-2-clause
 -}

module Utility.DirWatcher.Types where

import Common

type Hook a = Maybe (a -> Maybe FileStatus -> IO ())

data WatchHooks = WatchHooks
	{ addHook :: Hook FilePath
	, addSymlinkHook :: Hook FilePath
	, delHook :: Hook FilePath
	, delDirHook :: Hook FilePath
	, errHook :: Hook String -- error message
	, modifyHook :: Hook FilePath
	}

mkWatchHooks :: WatchHooks
mkWatchHooks = WatchHooks Nothing Nothing Nothing Nothing Nothing Nothing