git-annex-5.20150727: CmdLine/GlobalSetter.hs

{- git-annex global options
 -
 - Copyright 2015 Joey Hess <id@joeyh.name>
 -
 - Licensed under the GNU GPL version 3 or higher.
  -}
  
module CmdLine.GlobalSetter where

import Types.DeferredParse
import Common
import Annex

import Options.Applicative

globalFlag :: Annex () -> Mod FlagFields GlobalSetter -> GlobalOption
globalFlag setter = flag' (DeferredParse setter) 

globalSetter :: (v -> Annex ()) -> Parser v -> GlobalOption
globalSetter setter parser = DeferredParse . setter <$> parser

combineGlobalOptions :: [GlobalOption] -> Parser GlobalSetter
combineGlobalOptions l = DeferredParse . sequence_ . map getParsed
	<$> many (foldl1 (<|>) l)