67 lines
2 KiB
Haskell
67 lines
2 KiB
Haskell
{- git-annex plumbing command (for use by old assistant, and users)
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-
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- Copyright 2012 Joey Hess <id@joeyh.name>
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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.TransferKey where
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import Common.Annex
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import Command
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import Annex.Content
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import Logs.Location
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import Annex.Transfer
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import qualified Remote
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import Types.Remote
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cmd :: Command
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cmd = noCommit $
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command "transferkey" SectionPlumbing
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"transfers a key from or to a remote"
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paramKey (seek <--< optParser)
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data TransferKeyOptions = TransferKeyOptions
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{ keyOptions :: CmdParams
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, fromToOptions :: FromToOptions
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, fileOption :: AssociatedFile
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}
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optParser :: CmdParamsDesc -> Parser TransferKeyOptions
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optParser desc = TransferKeyOptions
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<$> cmdParams desc
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<*> parseFromToOptions
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<*> optional (strOption
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( long "file" <> metavar paramFile
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<> help "the associated file"
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))
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instance DeferredParseClass TransferKeyOptions where
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finishParse v = TransferKeyOptions
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<$> pure (keyOptions v)
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<*> finishParse (fromToOptions v)
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<*> pure (fileOption v)
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seek :: TransferKeyOptions -> CommandSeek
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seek o = withKeys (start o) (keyOptions o)
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start :: TransferKeyOptions -> Key -> CommandStart
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start o key = case fromToOptions o of
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ToRemote dest -> next $ toPerform key (fileOption o) =<< getParsed dest
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FromRemote src -> next $ fromPerform key (fileOption o) =<< getParsed src
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toPerform :: Key -> AssociatedFile -> Remote -> CommandPerform
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toPerform key file remote = go Upload file $
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upload (uuid remote) key file forwardRetry noObserver $ \p -> do
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ok <- Remote.storeKey remote key file p
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when ok $
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Remote.logStatus remote key InfoPresent
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return ok
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fromPerform :: Key -> AssociatedFile -> Remote -> CommandPerform
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fromPerform key file remote = go Upload file $
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download (uuid remote) key file forwardRetry noObserver $ \p ->
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getViaTmp key $ \t -> Remote.retrieveKeyFile remote key file t p
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go :: Direction -> AssociatedFile -> (NotifyWitness -> Annex Bool) -> CommandPerform
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go direction file a = notifyTransfer direction file a >>= liftIO . exitBool
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