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|
{- git-annex command
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.InitRemote where
import qualified Data.Map as M
import Control.Monad (when)
import Control.Monad.State (liftIO)
import Command
import qualified Remote
import UUID
import Messages
command :: [Command]
command = [repoCommand "initremote"
(paramPair paramName $
paramOptional $ paramRepeating $ paramKeyValue) seek
"sets up a special (non-git) remote"]
seek :: [CommandSeek]
seek = [withString start]
start :: CommandStartString
start params = notBareRepo $ do
when (null ws) $ error "Specify a name for the remote"
showStart "initremote" name
m <- Remote.readRemoteLog
(u, c) <- case findByName name m of
Just t -> return t
Nothing -> do
uuid <- liftIO $ genUUID
return $ (uuid, M.insert nameKey name M.empty)
return $ Just $ perform name u $ M.union config c
where
ws = words params
name = head ws
config = Remote.keyValToMap $ tail ws
perform :: String -> UUID -> M.Map String String -> CommandPerform
perform name uuid config = do
liftIO $ putStrLn $ show $ (uuid, config)
return Nothing
findByName :: String -> M.Map UUID (M.Map String String) -> Maybe (UUID, M.Map String String)
findByName n m = if null matches then Nothing else Just $ head matches
where
matches = filter (matching . snd) $ M.toList m
matching c = case M.lookup nameKey c of
Nothing -> False
Just n'
| n' == n -> True
| otherwise -> False
{- The name of a configured remote is stored in its config using this key. -}
nameKey :: String
nameKey = "name"
|
