git-annex/Annex/CatFile.hs
Joey Hess 637b5feb45 lint
2011-11-11 01:52:58 -04:00

23 lines
612 B
Haskell

{- git cat-file interface, with handle automatically stored in the Annex monad
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Annex.CatFile (
catFile
) where
import Common.Annex
import qualified Git.CatFile
import qualified Annex
catFile :: String -> FilePath -> Annex String
catFile branch file = maybe startup go =<< Annex.getState Annex.catfilehandle
where
startup = do
h <- inRepo Git.CatFile.catFileStart
Annex.changeState $ \s -> s { Annex.catfilehandle = Just h }
go h
go h = liftIO $ Git.CatFile.catFile h branch file