git-annex/Command/RecvKey.hs
2011-01-29 23:32:32 -04:00

43 lines
937 B
Haskell

{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.RecvKey where
import Control.Monad (when)
import Control.Monad.State (liftIO)
import System.Exit
import Command
import Types
import CmdLine
import Content
import qualified Backend
import RsyncFile
command :: [Command]
command = [Command "recvkey" paramKey seek
"runs rsync in server mode to receive content"]
seek :: [CommandSeek]
seek = [withKeys start]
start :: CommandStartString
start keyname = do
backends <- Backend.list
let key = genKey (head backends) keyname
present <- inAnnex key
when present $
error "key is already present in annex"
ok <- getViaTmp key (liftIO . rsyncServerReceive)
if ok
then do
-- forcibly quit after receiving one key,
-- and shutdown cleanly so queued git commands run
_ <- shutdown
liftIO exitSuccess
else liftIO exitFailure