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|
{- git-annex command
-
- Copyright 2010-2020 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.Init where
import Command
import Annex.Init
import Annex.Version
import Types.RepoVersion
import qualified Annex.SpecialRemote
import Control.Monad.Fail as Fail (MonadFail(..))
import qualified Data.Map as M
cmd :: Command
cmd = dontCheck repoExists $
command "init" SectionSetup "initialize git-annex"
paramDesc (seek <$$> optParser)
data InitOptions = InitOptions
{ initDesc :: String
, initVersion :: Maybe RepoVersion
, autoEnableOnly :: Bool
, noAutoEnable :: Bool
}
optParser :: CmdParamsDesc -> Parser InitOptions
optParser desc = InitOptions
<$> (unwords <$> cmdParams desc)
<*> optional (option (str >>= parseRepoVersion)
( long "version" <> metavar paramValue
<> help "Override default annex.version"
))
<*> switch
( long "autoenable"
<> help "only enable special remotes configured with autoenable=true"
)
<*> switch
( long "no-autoenable"
<> help "do not enable special remotes configured with autoenable=true"
)
parseRepoVersion :: MonadFail m => String -> m RepoVersion
parseRepoVersion s = case RepoVersion <$> readish s of
Nothing -> Fail.fail $ "version parse error"
Just v
| v `elem` supportedVersions -> return v
| otherwise -> case M.lookup v autoUpgradeableVersions of
Just v' -> return v'
Nothing -> Fail.fail $ s ++ " is not a currently supported repository version"
seek :: InitOptions -> CommandSeek
seek = commandAction . start
start :: InitOptions -> CommandStart
start os
| autoEnableOnly os =
starting "init" (ActionItemOther (Just "autoenable")) si $
performAutoEnableOnly
| otherwise =
starting "init" (ActionItemOther (Just $ initDesc os)) si $
perform os
where
si = SeekInput []
perform :: InitOptions -> CommandPerform
perform os = do
case initVersion os of
Nothing -> noop
Just wantversion -> getVersion >>= \case
Just v | v /= wantversion ->
giveup $ "This repository is already a initialized with version " ++ show (fromRepoVersion v) ++ ", not changing to requested version."
_ -> noop
initialize
(if null (initDesc os) then Nothing else Just (initDesc os))
(initVersion os)
unless (noAutoEnable os)
Annex.SpecialRemote.autoEnable
next $ return True
performAutoEnableOnly :: CommandPerform
performAutoEnableOnly = do
Annex.SpecialRemote.autoEnable
next $ return True
|
