git-annex/Command/EnableRemote.hs

102 lines
3.2 KiB
Haskell

{- git-annex command
-
- Copyright 2013-2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.EnableRemote where
import Command
import qualified Annex
import qualified Logs.Remote
import qualified Types.Remote as R
import qualified Git
import qualified Annex.SpecialRemote
import qualified Remote
import qualified Types.Remote as Remote
import qualified Remote.Git
import Logs.UUID
import Annex.UUID
import Config
import qualified Data.Map as M
cmd :: Command
cmd = command "enableremote" SectionSetup
"enables git-annex to use a remote"
(paramPair paramName $ paramOptional $ paramRepeating paramKeyValue)
(withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords start
start :: [String] -> CommandStart
start [] = unknownNameError "Specify the remote to enable."
start (name:rest) = go =<< filter matchingname <$> Annex.fromRepo Git.remotes
where
matchingname r = Git.remoteName r == Just name
go [] = startSpecialRemote name (Logs.Remote.keyValToConfig rest)
=<< Annex.SpecialRemote.findExisting name
go (r:_) = startNormalRemote name r
type RemoteName = String
startNormalRemote :: RemoteName -> Git.Repo -> CommandStart
startNormalRemote name r = do
showStart "enableremote" name
next $ next $ do
setRemoteIgnore r False
r' <- Remote.Git.configRead False r
u <- getRepoUUID r'
return $ u /= NoUUID
startSpecialRemote :: RemoteName -> Remote.RemoteConfig -> Maybe (UUID, Remote.RemoteConfig) -> CommandStart
startSpecialRemote name config Nothing = do
m <- Annex.SpecialRemote.specialRemoteMap
confm <- Logs.Remote.readRemoteLog
v <- Remote.nameToUUID' name
case v of
Right u | u `M.member` m ->
startSpecialRemote name config $
Just (u, fromMaybe M.empty (M.lookup u confm))
_ -> unknownNameError "Unknown remote name."
startSpecialRemote name config (Just (u, c)) = do
let fullconfig = config `M.union` c
t <- either error return (Annex.SpecialRemote.findType fullconfig)
showStart "enableremote" name
gc <- maybe def Remote.gitconfig <$> Remote.byUUID u
next $ performSpecialRemote t u fullconfig gc
performSpecialRemote :: RemoteType -> UUID -> R.RemoteConfig -> RemoteGitConfig -> CommandPerform
performSpecialRemote t u c gc = do
(c', u') <- R.setup t (Just u) Nothing c gc
next $ cleanupSpecialRemote u' c'
cleanupSpecialRemote :: UUID -> R.RemoteConfig -> CommandCleanup
cleanupSpecialRemote u c = do
Logs.Remote.configSet u c
mr <- Remote.byUUID u
case mr of
Nothing -> noop
Just r -> setRemoteIgnore (R.repo r) False
return True
unknownNameError :: String -> Annex a
unknownNameError prefix = do
m <- Annex.SpecialRemote.specialRemoteMap
descm <- M.unionWith Remote.addName <$> uuidMap <*> pure m
specialmsg <- if M.null m
then pure "(No special remotes are currently known; perhaps use initremote instead?)"
else Remote.prettyPrintUUIDsDescs
"known special remotes"
descm (M.keys m)
disabledremotes <- filterM isdisabled =<< Annex.fromRepo Git.remotes
let remotesmsg = unlines $ map ("\t" ++) $
mapMaybe Git.remoteName disabledremotes
error $ concat $ filter (not . null) [prefix ++ "\n", remotesmsg, specialmsg]
where
isdisabled r = anyM id
[ (==) NoUUID <$> getRepoUUID r
, remoteAnnexIgnore <$> Annex.getRemoteGitConfig r
]