95 lines
2.7 KiB
Haskell
95 lines
2.7 KiB
Haskell
{- git-annex command
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-
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- Copyright 2011-2019 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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module Command.InitRemote where
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import qualified Data.Map as M
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import Command
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import Annex.SpecialRemote
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import qualified Remote
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import qualified Logs.Remote
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import qualified Types.Remote as R
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import Annex.UUID
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import Logs.UUID
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import Logs.Remote
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import Types.GitConfig
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import Config
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cmd :: Command
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cmd = command "initremote" SectionSetup
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"creates a special (non-git) remote"
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(paramPair paramName $ paramOptional $ paramRepeating paramKeyValue)
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(seek <$$> optParser)
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data InitRemoteOptions = InitRemoteOptions
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{ cmdparams :: CmdParams
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, sameas :: Maybe (DeferredParse UUID)
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}
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optParser :: CmdParamsDesc -> Parser InitRemoteOptions
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optParser desc = InitRemoteOptions
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<$> cmdParams desc
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<*> optional parseSameasOption
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parseSameasOption :: Parser (DeferredParse UUID)
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parseSameasOption = parseUUIDOption <$> strOption
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( long "sameas"
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<> metavar (paramRemote `paramOr` paramDesc `paramOr` paramUUID)
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<> help "new remote that accesses the same data"
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<> completeRemotes
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)
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seek :: InitRemoteOptions -> CommandSeek
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seek o = withWords (commandAction . (start o)) (cmdparams o)
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start :: InitRemoteOptions -> [String] -> CommandStart
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start _ [] = giveup "Specify a name for the remote."
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start o (name:ws) = ifM (isJust <$> findExisting name)
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( giveup $ "There is already a special remote named \"" ++ name ++
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"\". (Use enableremote to enable an existing special remote.)"
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, do
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ifM (isJust <$> Remote.byNameOnly name)
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( giveup $ "There is already a remote named \"" ++ name ++ "\""
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, do
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sameasuuid <- maybe
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(pure Nothing)
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(Just . Sameas <$$> getParsed)
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(sameas o)
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c <- newConfig name sameasuuid
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(Logs.Remote.keyValToConfig ws)
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<$> readRemoteLog
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t <- either giveup return (findType c)
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starting "initremote" (ActionItemOther (Just name)) $
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perform t name c o
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)
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)
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perform :: RemoteType -> String -> R.RemoteConfig -> InitRemoteOptions -> CommandPerform
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perform t name c o = do
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dummycfg <- liftIO dummyRemoteGitConfig
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(c', u) <- R.setup t R.Init (sameasu <|> uuidfromuser) Nothing c dummycfg
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next $ cleanup u name c' o
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where
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uuidfromuser = case M.lookup "uuid" c of
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Just s
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| isUUID s -> Just (toUUID s)
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| otherwise -> giveup "invalid uuid"
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Nothing -> Nothing
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sameasu = toUUID <$> M.lookup sameasUUIDField c
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cleanup :: UUID -> String -> R.RemoteConfig -> InitRemoteOptions -> CommandCleanup
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cleanup u name c o = do
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case sameas o of
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Nothing -> do
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describeUUID u (toUUIDDesc name)
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Logs.Remote.configSet u c
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Just _ -> do
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cu <- liftIO genUUID
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setConfig (remoteConfig c "config-uuid") (fromUUID cu)
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Logs.Remote.configSet cu c
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return True
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