git-annex/Command/Watch.hs
2012-06-13 12:46:39 -04:00

38 lines
905 B
Haskell

{-# LANGUAGE CPP #-}
{-# LANGUAGE BangPatterns #-}
{- 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
def :: [Command]
def = [withOptions [foregroundOption, stopOption] $
command "watch" paramNothing seek "watch for changes"]
seek :: [CommandSeek]
seek = [withFlag stopOption $ \stopdaemon ->
withFlag foregroundOption $ \foreground ->
withNothing $ start foreground stopdaemon]
foregroundOption :: Option
foregroundOption = Option.flag [] "foreground" "do not daemonize"
stopOption :: Option
stopOption = Option.flag [] "stop" "stop daemon"
start :: Bool -> Bool -> CommandStart
start foreground stopdaemon = notBareRepo $ do
if stopdaemon
then stopDaemon
else startDaemon foreground -- does not return
stop