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|
{- git-annex command
-
- Copyright 2011,2013 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 Common.Annex
import Command
import qualified Remote
import qualified Logs.Remote
import qualified Types.Remote as R
import Logs.UUID
import Logs.Trust
import Data.Ord
def :: [Command]
def = [command "initremote"
(paramPair paramName $ paramOptional $ paramRepeating paramKeyValue)
seek SectionSetup "creates a special (non-git) remote"]
seek :: CommandSeek
seek = withWords start
start :: [String] -> CommandStart
start [] = error "Specify a name for the remote."
start (name:ws) = ifM (isJust <$> findExisting name)
( error $ "There is already a special remote named \"" ++ name ++
"\". (Use enableremote to enable an existing special remote.)"
, do
let c = newConfig name
t <- findType config
showStart "initremote" name
next $ perform t name $ M.union config c
)
where
config = Logs.Remote.keyValToConfig ws
perform :: RemoteType -> String -> R.RemoteConfig -> CommandPerform
perform t name c = do
(c', u) <- R.setup t Nothing Nothing c
next $ cleanup u name c'
cleanup :: UUID -> String -> R.RemoteConfig -> CommandCleanup
cleanup u name c = do
describeUUID u name
Logs.Remote.configSet u c
return True
{- See if there's an existing special remote with this name. -}
findExisting :: String -> Annex (Maybe (UUID, R.RemoteConfig))
findExisting name = do
t <- trustMap
matches <- sortBy (comparing $ \(u, _c) -> M.lookup u t )
. findByName name
<$> Logs.Remote.readRemoteLog
return $ headMaybe matches
newConfig :: String -> R.RemoteConfig
newConfig = M.singleton nameKey
findByName :: String -> M.Map UUID R.RemoteConfig -> [(UUID, R.RemoteConfig)]
findByName n = filter (matching . snd) . M.toList
where
matching c = case M.lookup nameKey c of
Nothing -> False
Just n'
| n' == n -> True
| otherwise -> False
remoteNames :: Annex [String]
remoteNames = do
m <- Logs.Remote.readRemoteLog
return $ mapMaybe (M.lookup nameKey . snd) $ M.toList m
{- find the specified remote type -}
findType :: R.RemoteConfig -> Annex RemoteType
findType config = maybe unspecified specified $ M.lookup typeKey config
where
unspecified = error "Specify the type of remote with type="
specified s = case filter (findtype s) Remote.remoteTypes of
[] -> error $ "Unknown remote type " ++ s
(t:_) -> return t
findtype s i = R.typename i == s
{- The name of a configured remote is stored in its config using this key. -}
nameKey :: String
nameKey = "name"
{- The type of a remote is stored in its config using this key. -}
typeKey :: String
typeKey = "type"
|
