51 lines
1.1 KiB
Haskell
51 lines
1.1 KiB
Haskell
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{- 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.Drop where
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import Control.Monad.State (liftIO)
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import System.Directory
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import Command
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import qualified Annex
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import Locations
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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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{- Indicates a file's content is not wanted anymore, and should be removed
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- if it's safe to do so. -}
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start :: SubCmdStartString
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start file = isAnnexed file $ \(key, backend) -> do
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inbackend <- Backend.hasKey key
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if (not inbackend)
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then return Nothing
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else do
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showStart "drop" file
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return $ Just $ perform key backend
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perform :: Key -> Backend -> SubCmdPerform
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perform key backend = do
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success <- Backend.removeKey backend key
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if (success)
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then return $ Just $ cleanup key
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else return Nothing
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cleanup :: Key -> SubCmdCleanup
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cleanup key = do
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logStatus key ValueMissing
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inannex <- inAnnex key
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if (inannex)
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then do
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g <- Annex.gitRepo
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let loc = annexLocation g key
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liftIO $ removeFile loc
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return True
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else return True
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