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{- Git configuration
-
- Copyright 2011-2014 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
module Config where
import Annex.Common
import qualified Git
import qualified Git.Config
import qualified Git.Command
import qualified Annex
import Config.Cost
import Types.Availability
import Git.Types
type UnqualifiedConfigKey = String
data ConfigKey = ConfigKey String
instance Show ConfigKey where
show (ConfigKey s) = s
{- Looks up a setting in git config. -}
getConfig :: ConfigKey -> String -> Annex String
getConfig (ConfigKey key) d = fromRepo $ Git.Config.get key d
getConfigMaybe :: ConfigKey -> Annex (Maybe String)
getConfigMaybe (ConfigKey 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 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 (ConfigKey key) = void $ inRepo $ Git.Config.unset key
class RemoteNameable r where
getRemoteName :: r -> RemoteName
instance RemoteNameable Git.Repo where
getRemoteName r = fromMaybe "" (Git.remoteName r)
instance RemoteNameable RemoteName where
getRemoteName = id
{- A per-remote config setting in git config. -}
remoteConfig :: RemoteNameable r => r -> UnqualifiedConfigKey -> ConfigKey
remoteConfig r key = ConfigKey $
"remote." ++ 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
- by remote.<name>.annex-cost, or if remote.<name>.annex-cost-command
- is set and prints a number, that is used. -}
remoteCost :: RemoteGitConfig -> Cost -> Annex Cost
remoteCost c d = fromMaybe d <$> remoteCost' c
remoteCost' :: RemoteGitConfig -> Annex (Maybe Cost)
remoteCost' c = case remoteAnnexCostCommand c of
Just cmd | not (null cmd) -> liftIO $
readish <$> readProcess "sh" ["-c", cmd]
_ -> return $ remoteAnnexCost c
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)
isDirect :: Annex Bool
isDirect = annexDirect <$> Annex.getGitConfig
crippledFileSystem :: Annex Bool
crippledFileSystem = annexCrippledFileSystem <$> Annex.getGitConfig
setCrippledFileSystem :: Bool -> Annex ()
setCrippledFileSystem b = do
setConfig (annexConfig "crippledfilesystem") (Git.Config.boolConfig b)
Annex.changeGitConfig $ \c -> c { annexCrippledFileSystem = b }
configureSmudgeFilter :: Annex ()
configureSmudgeFilter = do
setConfig (ConfigKey "filter.annex.smudge") "git-annex smudge %f"
setConfig (ConfigKey "filter.annex.clean") "git-annex smudge --clean %f"
lf <- Annex.fromRepo Git.attributesLocal
gf <- Annex.fromRepo Git.attributes
lfs <- readattr lf
gfs <- readattr gf
liftIO $ unless ("filter=annex" `isInfixOf` (lfs ++ gfs)) $ do
createDirectoryIfMissing True (takeDirectory lf)
writeFile lf (lfs ++ "\n" ++ stdattr)
where
readattr = liftIO . catchDefaultIO "" . readFileStrictAnyEncoding
stdattr = unlines
[ "* filter=annex"
, ".* !filter"
]
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