109a719b03
This allows the Backend type to not depend on the Annex type, and so the Annex type can later be moved out of TypeInternals.
39 lines
886 B
Haskell
39 lines
886 B
Haskell
{- git-annex command
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-
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- Copyright 2010 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 Command.Get where
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import Command
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import qualified Backend
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import Types
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import Content
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import Messages
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command :: [Command]
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command = [Command "get" paramPath seek
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"make content of annexed files available"]
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seek :: [CommandSeek]
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seek = [withFilesInGit start]
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{- Gets an annexed file from one of the backends. -}
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start :: CommandStartString
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start file = isAnnexed file $ \(key, backend) -> do
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inannex <- inAnnex key
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if inannex
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then return Nothing
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else do
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showStart "get" file
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return $ Just $ perform key backend
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perform :: Key -> Backend Annex -> CommandPerform
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perform key backend = do
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ok <- getViaTmp key (Backend.retrieveKeyFile backend key)
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if ok
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then return $ Just $ return True -- no cleanup needed
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else return Nothing
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