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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 Command
import Annex.Content
import Logs.Location
import Annex.Transfer
import qualified Remote
import Types.Remote
cmd :: Command
cmd = noCommit $
command "transferkey" SectionPlumbing
"transfers a key from or to a remote"
paramKey (seek <--< optParser)
data TransferKeyOptions = TransferKeyOptions
{ keyOptions :: CmdParams
, fromToOptions :: FromToOptions
, fileOption :: AssociatedFile
}
optParser :: CmdParamsDesc -> Parser TransferKeyOptions
optParser desc = TransferKeyOptions
<$> cmdParams desc
<*> parseFromToOptions
<*> optional (strOption
( long "file" <> metavar paramFile
<> help "the associated file"
))
instance DeferredParseClass TransferKeyOptions where
finishParse v = TransferKeyOptions
<$> pure (keyOptions v)
<*> finishParse (fromToOptions v)
<*> pure (fileOption v)
seek :: TransferKeyOptions -> CommandSeek
seek o = withKeys (start o) (keyOptions o)
start :: TransferKeyOptions -> Key -> CommandStart
start o key = case fromToOptions o of
ToRemote dest -> next $ toPerform key (fileOption o) =<< getParsed dest
FromRemote src -> next $ fromPerform key (fileOption o) =<< getParsed src
toPerform :: Key -> AssociatedFile -> Remote -> CommandPerform
toPerform key file remote = go Upload file $
upload (uuid remote) key file forwardRetry noObserver $ \p -> do
ok <- Remote.storeKey remote key file p
when ok $
Remote.logStatus remote key InfoPresent
return ok
fromPerform :: Key -> AssociatedFile -> Remote -> CommandPerform
fromPerform key file remote = go Upload file $
download (uuid remote) key file forwardRetry noObserver $ \p ->
getViaTmp (RemoteVerify remote) 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
|
