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|
{- git-annex config log
-
- Copyright 2017 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Logs.Config (
ConfigName,
ConfigValue,
setGlobalConfig,
unsetGlobalConfig,
getGlobalConfig,
loadGlobalConfig,
) where
import Annex.Common
import qualified Annex
import Logs
import Logs.MapLog
import qualified Annex.Branch
import Data.Time.Clock.POSIX
import qualified Data.Map as M
type ConfigName = String
type ConfigValue = String
setGlobalConfig :: ConfigName -> ConfigValue -> Annex ()
setGlobalConfig name new = do
curr <- getGlobalConfig name
when (curr /= Just new) $
setGlobalConfig' name new
setGlobalConfig' :: ConfigName -> ConfigValue -> Annex ()
setGlobalConfig' name new = do
now <- liftIO getPOSIXTime
Annex.Branch.change configLog $
showMapLog id id . changeMapLog now name new . parseGlobalConfig
unsetGlobalConfig :: ConfigName -> Annex ()
unsetGlobalConfig name = do
curr <- getGlobalConfig name
when (curr /= Nothing) $
setGlobalConfig' name "" -- set to empty string to unset
getGlobalConfig :: ConfigName -> Annex (Maybe ConfigValue)
getGlobalConfig name = do
m <- maybe loadGlobalConfig return
=<< Annex.getState Annex.globalconfig
return (M.lookup name m)
parseGlobalConfig :: String -> MapLog ConfigName ConfigValue
parseGlobalConfig = parseMapLog Just Just
loadGlobalConfig :: Annex (M.Map ConfigName ConfigValue)
loadGlobalConfig = do
m <- M.filter (not . null) . simpleMap . parseGlobalConfig
<$> Annex.Branch.get configLog
Annex.changeState $ \s -> s { Annex.globalconfig = Just m }
return m
|
