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{- git-annex plumbing command (for use by old assistant, and users)
-
- Copyright 2012 Joey Hess <id@joeyh.name>
-
- 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 Annex.Transfer
import qualified Remote
import Types.Remote
cmd :: [Command]
cmd = [withOptions transferKeyOptions $
noCommit $ command "transferkey" paramKey seek SectionPlumbing
"transfers a key from or to a remote"]
transferKeyOptions :: [Option]
transferKeyOptions = fileOption : fromToOptions
fileOption :: Option
fileOption = fieldOption [] "file" paramFile "the associated file"
seek :: CommandSeek
seek ps = do
to <- getOptionField toOption Remote.byNameWithUUID
from <- getOptionField fromOption Remote.byNameWithUUID
file <- getOptionField fileOption return
withKeys (start to from file) ps
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 file $
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 Upload file $
download (uuid remote) key file forwardRetry $ \p ->
getViaTmp key $ \t -> Remote.retrieveKeyFile remote key file t p
go :: Direction -> AssociatedFile -> (NotifyWitness -> Annex Bool) -> CommandPerform
go direction file a = notifyTransfer direction file a >>= liftIO . exitBool
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