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{- git-annex command, used internally by assistant
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.TransferKey where
import Common.Annex
import Command
import Annex.Content
import Logs.Location
import Logs.Transfer
import qualified Remote
import Types.Remote
import qualified Command.Move
import qualified Option
def :: [Command]
def = [withOptions options $
noCommit $ command "transferkey" paramKey seek
"transfers a key from or to a remote"]
options :: [Option]
options = fileOption : Command.Move.options
fileOption :: Option
fileOption = Option.field [] "file" paramFile "the associated file"
seek :: [CommandSeek]
seek = [withField Command.Move.toOption Remote.byNameWithUUID $ \to ->
withField Command.Move.fromOption Remote.byNameWithUUID $ \from ->
withField fileOption return $ \file ->
withKeys $ start to from file]
start :: Maybe Remote -> Maybe Remote -> AssociatedFile -> Key -> CommandStart
start to from file key =
case (from, to) of
(Nothing, Just dest) -> next $ toPerform dest key file
(Just src, Nothing) -> next $ fromPerform src key file
_ -> error "specify either --from or --to"
toPerform :: Remote -> Key -> AssociatedFile -> CommandPerform
toPerform remote key file = go $
upload (uuid remote) key file forwardRetry $ \p -> do
ok <- Remote.storeKey remote key file p
when ok $
Remote.logStatus remote key InfoPresent
return ok
fromPerform :: Remote -> Key -> AssociatedFile -> CommandPerform
fromPerform remote key file = go $
download (uuid remote) key file forwardRetry $
getViaTmp key $ Remote.retrieveKeyFile remote key file
go :: Annex Bool -> CommandPerform
go a = ifM a ( liftIO exitSuccess, liftIO exitFailure)
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