git-annex/Command/RecvKey.hs
Joey Hess aa1ad0b7ca
remove redundant imports
Clean build under ghc 8.8.3, which seems to do better at finding cases
where two imports both provide the same symbol, and warns about one of
them.

This commit was sponsored by Ilya Shlyakhter on Patreon.
2020-06-22 11:05:34 -04:00

48 lines
1.4 KiB
Haskell

{- git-annex command
-
- Copyright 2010 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL 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 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