git-annex/Config.hs

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{- Git configuration
-
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- Copyright 2011-2019 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
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{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
{-# LANGUAGE OverloadedStrings #-}
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module Config where
import Annex.Common
import qualified Git
import qualified Git.Config
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import qualified Git.Command
import qualified Annex
import Config.Cost
import Config.DynamicConfig
import Types.Availability
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import Git.Types
import qualified Types.Remote as Remote
import qualified Data.ByteString as S
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type UnqualifiedConfigKey = S.ByteString
{- Looks up a setting in git config. This is not as efficient as using the
- GitConfig type. -}
getConfig :: ConfigKey -> ConfigValue -> Annex ConfigValue
getConfig key d = fromRepo $ Git.Config.get key d
getConfigMaybe :: ConfigKey -> Annex (Maybe ConfigValue)
getConfigMaybe key = fromRepo $ Git.Config.getMaybe key
{- Changes a git config setting in both internal state and .git/config -}
setConfig :: ConfigKey -> String -> Annex ()
setConfig (ConfigKey key) value = do
inRepo $ Git.Command.run
[ Param "config"
, Param (decodeBS' key)
, Param value
]
reloadConfig
reloadConfig :: Annex ()
reloadConfig = Annex.changeGitRepo =<< inRepo Git.Config.reRead
{- Unsets a git config setting. (Leaves it in state.) -}
unsetConfig :: ConfigKey -> Annex ()
unsetConfig key = void $ inRepo $ Git.Config.unset key
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class RemoteNameable r where
getRemoteName :: r -> RemoteName
instance RemoteNameable Git.Repo where
getRemoteName r = fromMaybe "" (Git.remoteName r)
instance RemoteNameable RemoteName where
getRemoteName = id
instance RemoteNameable Remote where
getRemoteName = Remote.name
{- A per-remote config setting in git config. -}
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remoteConfig :: RemoteNameable r => r -> UnqualifiedConfigKey -> ConfigKey
remoteConfig r key = ConfigKey $
"remote." <> encodeBS' (getRemoteName r) <> ".annex-" <> key
{- A global annex setting in git config. -}
annexConfig :: UnqualifiedConfigKey -> ConfigKey
annexConfig key = ConfigKey ("annex." <> key)
{- Calculates cost for a remote. Either the specific default, or as configured
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- by remote.<name>.annex-cost, or if remote.<name>.annex-cost-command
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- is set and prints a number, that is used. -}
remoteCost :: RemoteGitConfig -> Cost -> Annex Cost
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remoteCost c d = fromMaybe d <$> remoteCost' c
remoteCost' :: RemoteGitConfig -> Annex (Maybe Cost)
remoteCost' = liftIO . getDynamicConfig . remoteAnnexCost
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setRemoteCost :: Git.Repo -> Cost -> Annex ()
setRemoteCost r c = setConfig (remoteConfig r "cost") (show c)
setRemoteAvailability :: Git.Repo -> Availability -> Annex ()
setRemoteAvailability r c = setConfig (remoteConfig r "availability") (show c)
setRemoteIgnore :: Git.Repo -> Bool -> Annex ()
setRemoteIgnore r b = setConfig (remoteConfig r "ignore") (Git.Config.boolConfig b)
setRemoteBare :: Git.Repo -> Bool -> Annex ()
setRemoteBare r b = setConfig (remoteConfig r "bare") (Git.Config.boolConfig b)
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isBareRepo :: Annex Bool
isBareRepo = fromRepo Git.repoIsLocalBare
isDirect :: Annex Bool
isDirect = annexDirect <$> Annex.getGitConfig
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crippledFileSystem :: Annex Bool
crippledFileSystem = annexCrippledFileSystem <$> Annex.getGitConfig
setCrippledFileSystem :: Bool -> Annex ()
setCrippledFileSystem b = do
setConfig (annexConfig "crippledfilesystem") (Git.Config.boolConfig b)
Annex.changeGitConfig $ \c -> c { annexCrippledFileSystem = b }
yesNo :: String -> Maybe Bool
yesNo "yes" = Just True
yesNo "no" = Just False
yesNo _ = Nothing