git-annex/Command/Watch.hs
2013-11-17 14:58:35 -04:00

36 lines
998 B
Haskell

{- git-annex watch command
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Watch where
import Common.Annex
import Assistant
import Command
import Option
import Utility.HumanTime
def :: [Command]
def = [notBareRepo $ withOptions [foregroundOption, stopOption] $
command "watch" paramNothing seek SectionCommon "watch for changes"]
seek :: [CommandSeek]
seek = [withFlag stopOption $ \stopdaemon ->
withFlag foregroundOption $ \foreground ->
withNothing $ start False foreground stopdaemon Nothing]
foregroundOption :: Option
foregroundOption = Option.flag [] "foreground" "do not daemonize"
stopOption :: Option
stopOption = Option.flag [] "stop" "stop daemon"
start :: Bool -> Bool -> Bool -> Maybe Duration -> CommandStart
start assistant foreground stopdaemon startdelay = do
if stopdaemon
then stopDaemon
else startDaemon assistant foreground startdelay Nothing Nothing Nothing -- does not return
stop