44 lines
1.1 KiB
Haskell
44 lines
1.1 KiB
Haskell
{- 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 Annex.CatFile (
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catFile,
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catObject,
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catObjectDetails,
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catFileHandle
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) where
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import qualified Data.ByteString.Lazy.Char8 as L
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import Common.Annex
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import qualified Git
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import qualified Git.CatFile
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import qualified Annex
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import Git.Types
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catFile :: Git.Branch -> FilePath -> Annex L.ByteString
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catFile branch file = do
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h <- catFileHandle
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liftIO $ Git.CatFile.catFile h branch file
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catObject :: Git.Ref -> Annex L.ByteString
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catObject ref = do
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h <- catFileHandle
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liftIO $ Git.CatFile.catObject h ref
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catObjectDetails :: Git.Ref -> Annex (Maybe (L.ByteString, Sha))
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catObjectDetails ref = do
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h <- catFileHandle
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liftIO $ Git.CatFile.catObjectDetails h ref
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catFileHandle :: Annex Git.CatFile.CatFileHandle
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catFileHandle = maybe startup return =<< Annex.getState Annex.catfilehandle
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where
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startup = do
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h <- inRepo Git.CatFile.catFileStart
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Annex.changeState $ \s -> s { Annex.catfilehandle = Just h }
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return h
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