git-annex/Config/GitConfig.hs
Joey Hess ccd8c43dc8
git-annex config: guard against non-repo-global configs
git-annex config: Only allow configs be set that are ones git-annex
actually supports reading from repo-global config, to avoid confused users
trying to set other configs with this.
2020-03-02 15:54:18 -04:00

41 lines
1.3 KiB
Haskell

{- git-annex configuration
-
- Copyright 2017-2019 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Config.GitConfig where
import Annex.Common
import qualified Annex
import Types.GitConfig
import Git.Types
import Logs.Config
{- Gets a specific setting from GitConfig. If necessary, loads the
- repository-global defaults when the GitConfig does not yet
- have a value.
-
- Note: Be sure to add the config to mergeGitConfig and to
- globalConfigs.
-}
getGitConfigVal :: (GitConfig -> Configurable a) -> Annex a
getGitConfigVal f = getGitConfigVal' f >>= \case
HasGlobalConfig c -> return c
DefaultConfig d -> return d
HasGitConfig c -> return c
getGitConfigVal' :: (GitConfig -> Configurable a) -> Annex (Configurable a)
getGitConfigVal' f = (f <$> Annex.getGitConfig) >>= \case
DefaultConfig _ -> do
r <- Annex.gitRepo
m <- loadGlobalConfig
let globalgc = extractGitConfig FromGlobalConfig (r { config = m })
-- This merge of the repo-global config and the git
-- config makes all repository-global default
-- values populate the GitConfig with HasGlobalConfig
-- values, so it will only need to be done once.
Annex.overrideGitConfig (\gc -> mergeGitConfig gc globalgc)
f <$> Annex.getGitConfig
c -> return c