git-annex/Command/EnableRemote.hs

56 lines
1.6 KiB
Haskell

{- git-annex command
-
- Copyright 2013 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.EnableRemote where
import Common.Annex
import Command
import qualified Logs.Remote
import qualified Types.Remote as R
import qualified Annex.SpecialRemote
import qualified Data.Map as M
cmd :: Command
cmd = command "enableremote" SectionSetup
"enables use of an existing special remote"
(paramPair paramName $ paramOptional $ paramRepeating paramKeyValue)
(withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords start
start :: [String] -> CommandStart
start [] = unknownNameError "Specify the name of the special remote to enable."
start (name:ws) = go =<< Annex.SpecialRemote.findExisting name
where
config = Logs.Remote.keyValToConfig ws
go Nothing = unknownNameError "Unknown special remote name."
go (Just (u, c)) = do
let fullconfig = config `M.union` c
t <- either error return (Annex.SpecialRemote.findType fullconfig)
showStart "enableremote" name
next $ perform t u fullconfig
unknownNameError :: String -> Annex a
unknownNameError prefix = do
names <- Annex.SpecialRemote.remoteNames
error $ prefix ++ "\n" ++
if null names
then "(No special remotes are currently known; perhaps use initremote instead?)"
else "Known special remotes: " ++ unwords names
perform :: RemoteType -> UUID -> R.RemoteConfig -> CommandPerform
perform t u c = do
(c', u') <- R.setup t (Just u) Nothing c
next $ cleanup u' c'
cleanup :: UUID -> R.RemoteConfig -> CommandCleanup
cleanup u c = do
Logs.Remote.configSet u c
return True