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{- git-annex command
 -
 - Copyright 2010,2012 Joey Hess <joey@kitenet.net>
 -
 - Licensed under the GNU GPL version 3 or higher.
 -}

module Command.SendKey where

import Common.Annex
import Command
import Annex.Content
import Utility.RsyncFile
import Logs.Transfer
import qualified Fields

def :: [Command]
def = [oneShot $ command "sendkey" paramKey seek
	"runs rsync in server mode to send content"]

seek :: [CommandSeek]
seek = [withKeys start]

start :: Key -> CommandStart
start key = ifM (inAnnex key)
	( fieldTransfer Upload key $ do
		file <- inRepo $ gitAnnexLocation key
		liftIO $ rsyncServerSend file
	, do
		warning "requested key is not present"
		liftIO exitFailure
	)

fieldTransfer :: Direction -> Key -> Annex Bool -> CommandStart
fieldTransfer direction key a = do
	afile <- Fields.getField Fields.associatedFile
	ok <- maybe a (\u -> runTransfer (Transfer direction (toUUID u) key) afile a)
		=<< Fields.getField Fields.remoteUUID
	if ok
		then liftIO exitSuccess
		else liftIO exitFailure