git-annex/Command/RecvKey.hs
Joey Hess 53526136e8
move commandAction out of CmdLine.Seek
This is groundwork for nested seek loops, eg seeking over all files and
then performing commandActions on a list of remotes, which can be done
concurrently.

This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
2018-10-01 14:12:06 -04:00

49 lines
1.4 KiB
Haskell

{- git-annex command
-
- Copyright 2010 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.RecvKey where
import Command
import Annex.Content
import Annex.Action
import Annex
import Utility.Rsync
import Types.Transfer
import Types.Remote (RetrievalSecurityPolicy(..))
import Command.SendKey (fieldTransfer)
import qualified CmdLine.GitAnnexShell.Fields as Fields
cmd :: Command
cmd = noCommit $ command "recvkey" SectionPlumbing
"runs rsync in server mode to receive content"
paramKey (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withKeys (commandAction . start)
start :: Key -> CommandStart
start key = fieldTransfer Download key $ \_p -> do
-- Always verify content when a repo is sending an unlocked file,
-- as the file could change while being transferred.
fromunlocked <- (isJust <$> Fields.getField Fields.unlocked)
<||> (isJust <$> Fields.getField Fields.direct)
let verify = if fromunlocked then AlwaysVerify else DefaultVerify
-- This matches the retrievalSecurityPolicy of Remote.Git
let rsp = RetrievalAllKeysSecure
ifM (getViaTmp rsp verify key go)
( do
-- forcibly quit after receiving one key,
-- and shutdown cleanly
_ <- shutdown True
return True
, return False
)
where
go tmp = unVerified $ do
opts <- filterRsyncSafeOptions . maybe [] words
<$> getField "RsyncOptions"
liftIO $ rsyncServerReceive (map Param opts) tmp