126 lines
4.4 KiB
Haskell
126 lines
4.4 KiB
Haskell
{- git-annex command
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-
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- Copyright 2013-2019 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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{-# LANGUAGE OverloadedStrings #-}
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module Command.EnableRemote where
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import Command
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import qualified Annex
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import qualified Logs.Remote
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import qualified Types.Remote as R
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import qualified Git
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import qualified Git.Types as Git
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import qualified Annex.SpecialRemote as SpecialRemote
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import qualified Remote
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import qualified Types.Remote as Remote
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import qualified Remote.Git
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import Logs.UUID
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import Annex.UUID
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import Config
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import Config.DynamicConfig
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import Types.GitConfig
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import Types.ProposedAccepted
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import qualified Data.Map as M
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cmd :: Command
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cmd = command "enableremote" SectionSetup
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"enables git-annex to use a remote"
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(paramPair paramName $ paramOptional $ paramRepeating paramParamValue)
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(withParams seek)
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seek :: CmdParams -> CommandSeek
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seek = withWords (commandAction . start)
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start :: [String] -> CommandStart
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start [] = unknownNameError "Specify the remote to enable."
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start (name:rest) = go =<< filter matchingname <$> Annex.getGitRemotes
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where
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matchingname r = Git.remoteName r == Just name
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go [] = startSpecialRemote name (Logs.Remote.keyValToConfig Proposed rest)
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=<< SpecialRemote.findExisting name
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go (r:_) = do
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-- This could be either a normal git remote or a special
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-- remote that has an url (eg gcrypt).
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rs <- Remote.remoteList
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case filter (\rmt -> Remote.name rmt == name) rs of
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(rmt:_) | Remote.remotetype rmt == Remote.Git.remote ->
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startNormalRemote name rest r
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_ -> go []
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-- Normal git remotes are special-cased; enableremote retries probing
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-- the remote uuid.
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startNormalRemote :: Git.RemoteName -> [String] -> Git.Repo -> CommandStart
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startNormalRemote name restparams r
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| null restparams = starting "enableremote" (ActionItemOther (Just name)) $ do
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setRemoteIgnore r False
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r' <- Remote.Git.configRead False r
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u <- getRepoUUID r'
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next $ return $ u /= NoUUID
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| otherwise = giveup $
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"That is a normal git remote; passing these parameters does not make sense: " ++ unwords restparams
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startSpecialRemote :: Git.RemoteName -> Remote.RemoteConfig -> Maybe (UUID, Remote.RemoteConfig, Maybe (SpecialRemote.ConfigFrom UUID)) -> CommandStart
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startSpecialRemote name config Nothing = do
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m <- SpecialRemote.specialRemoteMap
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confm <- Logs.Remote.readRemoteLog
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Remote.nameToUUID' name >>= \case
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Right u | u `M.member` m ->
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startSpecialRemote name config $
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Just (u, fromMaybe M.empty (M.lookup u confm), Nothing)
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_ -> unknownNameError "Unknown remote name."
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startSpecialRemote name config (Just (u, c, mcu)) =
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starting "enableremote" (ActionItemOther (Just name)) $ do
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let fullconfig = config `M.union` c
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t <- either giveup return (SpecialRemote.findType fullconfig)
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gc <- maybe (liftIO dummyRemoteGitConfig)
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(return . Remote.gitconfig)
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=<< Remote.byUUID u
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performSpecialRemote t u c fullconfig gc mcu
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performSpecialRemote :: RemoteType -> UUID -> R.RemoteConfig -> R.RemoteConfig -> RemoteGitConfig -> Maybe (SpecialRemote.ConfigFrom UUID) -> CommandPerform
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performSpecialRemote t u oldc c gc mcu = do
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(c', u') <- R.setup t (R.Enable oldc) (Just u) Nothing c gc
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next $ cleanupSpecialRemote u' c' mcu
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cleanupSpecialRemote :: UUID -> R.RemoteConfig -> Maybe (SpecialRemote.ConfigFrom UUID) -> CommandCleanup
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cleanupSpecialRemote u c mcu = do
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case mcu of
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Nothing ->
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Logs.Remote.configSet u c
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Just (SpecialRemote.ConfigFrom cu) -> do
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setConfig (remoteConfig c "config-uuid") (fromUUID cu)
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Logs.Remote.configSet cu c
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Remote.byUUID u >>= \case
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Nothing -> noop
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Just r -> do
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repo <- R.getRepo r
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setRemoteIgnore repo False
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return True
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unknownNameError :: String -> Annex a
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unknownNameError prefix = do
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m <- SpecialRemote.specialRemoteMap
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descm <- M.unionWith Remote.addName
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<$> uuidDescMap
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<*> pure (M.map toUUIDDesc m)
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specialmsg <- if M.null m
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then pure "(No special remotes are currently known; perhaps use initremote instead?)"
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else Remote.prettyPrintUUIDsDescs
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"known special remotes"
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descm (M.keys m)
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disabledremotes <- filterM isdisabled =<< Annex.getGitRemotes
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let remotesmsg = unlines $ map ("\t" ++) $
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mapMaybe Git.remoteName disabledremotes
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giveup $ concat $ filter (not . null) [prefix ++ "\n", remotesmsg, specialmsg]
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where
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isdisabled r = anyM id
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[ (==) NoUUID <$> getRepoUUID r
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, liftIO . getDynamicConfig . remoteAnnexIgnore
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=<< Annex.getRemoteGitConfig r
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]
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