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{- git-annex command
-
- Copyright 2015 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.CheckPresentKey where
import Command
import qualified Remote
import Annex
import Types.Messages
cmd :: Command
cmd = noCommit $
command "checkpresentkey" SectionPlumbing
"check if key is present in remote"
(paramPair paramKey paramRemote)
(withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords start
start :: [String] -> CommandStart
start (ks:rn:[]) = do
setOutput QuietOutput
maybe (error "Unknown remote") (go <=< flip Remote.hasKey k)
=<< Remote.byNameWithUUID (Just rn)
where
k = fromMaybe (error "bad key") (file2key ks)
go (Right True) = liftIO exitSuccess
go (Right False) = liftIO exitFailure
go (Left e) = liftIO $ do
hPutStrLn stderr e
exitWith $ ExitFailure 100
start _ = error "Wrong number of parameters"
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