d7833def66
The parser and looking up config keys in the map should both be faster due to using ByteString. I had hoped this would speed up startup time, but any improvement to that was too small to measure. Seems worth keeping though. Note that the parser breaks up the ByteString, but a config map ends up pointing to the config as read, which is retained in memory until every value from it is no longer used. This can change memory usage patterns marginally, but won't affect git-annex.
128 lines
4 KiB
Haskell
128 lines
4 KiB
Haskell
{- Git configuration
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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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{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
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{-# LANGUAGE OverloadedStrings #-}
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module Config where
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import Annex.Common
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import qualified Git
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import qualified Git.Config
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import qualified Git.Command
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import qualified Annex
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import Config.Cost
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import Config.DynamicConfig
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import Types.Availability
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import Git.Types
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import qualified Types.Remote as Remote
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import qualified Annex.SpecialRemote.Config as SpecialRemote
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import qualified Data.Map as M
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import qualified Data.ByteString as S
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type UnqualifiedConfigKey = S.ByteString
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newtype ConfigKey = ConfigKey S.ByteString
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instance Show ConfigKey where
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show (ConfigKey s) = decodeBS' s
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{- Looks up a setting in git config. This is not as efficient as using the
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- GitConfig type. -}
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getConfig :: ConfigKey -> S.ByteString -> Annex S.ByteString
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getConfig (ConfigKey key) d = fromRepo $ Git.Config.get key d
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getConfigMaybe :: ConfigKey -> Annex (Maybe S.ByteString)
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getConfigMaybe (ConfigKey key) = fromRepo $ Git.Config.getMaybe key
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{- Changes a git config setting in both internal state and .git/config -}
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setConfig :: ConfigKey -> String -> Annex ()
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setConfig (ConfigKey key) value = do
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inRepo $ Git.Command.run
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[ Param "config"
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, Param (decodeBS' key)
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, Param value
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]
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reloadConfig
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reloadConfig :: Annex ()
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reloadConfig = Annex.changeGitRepo =<< inRepo Git.Config.reRead
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{- Unsets a git config setting. (Leaves it in state.) -}
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unsetConfig :: ConfigKey -> Annex ()
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unsetConfig (ConfigKey key) = void $ inRepo $ Git.Config.unset key
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class RemoteNameable r where
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getRemoteName :: r -> RemoteName
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instance RemoteNameable Git.Repo where
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getRemoteName r = fromMaybe "" (Git.remoteName r)
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instance RemoteNameable RemoteName where
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getRemoteName = id
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instance RemoteNameable Remote where
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getRemoteName = Remote.name
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instance RemoteNameable Remote.RemoteConfig where
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getRemoteName c = fromMaybe "" (SpecialRemote.lookupName c)
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{- A per-remote config setting in git config. -}
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remoteConfig :: RemoteNameable r => r -> UnqualifiedConfigKey -> ConfigKey
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remoteConfig r key = ConfigKey $
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"remote." <> encodeBS' (getRemoteName r) <> ".annex-" <> key
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{- A global annex setting in git config. -}
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annexConfig :: UnqualifiedConfigKey -> ConfigKey
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annexConfig key = ConfigKey ("annex." <> key)
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{- 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. -}
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remoteCost :: RemoteGitConfig -> Cost -> Annex Cost
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remoteCost c d = fromMaybe d <$> remoteCost' c
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remoteCost' :: RemoteGitConfig -> Annex (Maybe Cost)
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remoteCost' = liftIO . getDynamicConfig . remoteAnnexCost
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setRemoteCost :: Git.Repo -> Cost -> Annex ()
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setRemoteCost r c = setConfig (remoteConfig r "cost") (show c)
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setRemoteAvailability :: Git.Repo -> Availability -> Annex ()
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setRemoteAvailability r c = setConfig (remoteConfig r "availability") (show c)
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setRemoteIgnore :: Git.Repo -> Bool -> Annex ()
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setRemoteIgnore r b = setConfig (remoteConfig r "ignore") (Git.Config.boolConfig b)
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setRemoteBare :: Git.Repo -> Bool -> Annex ()
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setRemoteBare r b = setConfig (remoteConfig r "bare") (Git.Config.boolConfig b)
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exportTree :: Remote.RemoteConfig -> Bool
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exportTree c = fromMaybe False $ yesNo =<< M.lookup "exporttree" c
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importTree :: Remote.RemoteConfig -> Bool
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importTree c = fromMaybe False $ yesNo =<< M.lookup "importtree" c
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isBareRepo :: Annex Bool
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isBareRepo = fromRepo Git.repoIsLocalBare
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isDirect :: Annex Bool
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isDirect = annexDirect <$> Annex.getGitConfig
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crippledFileSystem :: Annex Bool
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crippledFileSystem = annexCrippledFileSystem <$> Annex.getGitConfig
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setCrippledFileSystem :: Bool -> Annex ()
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setCrippledFileSystem b = do
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setConfig (annexConfig "crippledfilesystem") (Git.Config.boolConfig b)
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Annex.changeGitConfig $ \c -> c { annexCrippledFileSystem = b }
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yesNo :: String -> Maybe Bool
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yesNo "yes" = Just True
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yesNo "no" = Just False
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yesNo _ = Nothing
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