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