50 lines
1.2 KiB
Haskell
50 lines
1.2 KiB
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.SetKey where
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import Control.Monad.State (liftIO)
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import Control.Monad (when)
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import Command
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import qualified Annex
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import Utility
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import qualified Backend
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import LocationLog
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import Types
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import Core
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import Messages
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seek :: [SubCmdSeek]
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seek = [withTempFile start]
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{- Sets cached content for a key. -}
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start :: SubCmdStartString
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start file = do
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keyname <- Annex.flagGet "key"
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when (null keyname) $ error "please specify the key with --key"
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backends <- Backend.list
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let key = genKey (head backends) keyname
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showStart "setkey" file
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return $ Just $ perform file key
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perform :: FilePath -> Key -> SubCmdPerform
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perform file key = do
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-- the file might be on a different filesystem, so mv is used
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-- rather than simply calling moveToObjectDir key file
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ok <- getViaTmp key $ \dest -> do
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if dest /= file
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then liftIO $ boolSystem "mv" [file, dest]
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else return True
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if ok
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then return $ Just $ cleanup key
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else error "mv failed!"
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cleanup :: Key -> SubCmdCleanup
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cleanup key = do
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logStatus key ValuePresent
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return True
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