296 lines
11 KiB
Haskell
296 lines
11 KiB
Haskell
{- git-annex configuration
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-
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- Copyright 2012-2015 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Types.GitConfig (
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Configurable(..),
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GitConfig(..),
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extractGitConfig,
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mergeGitConfig,
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RemoteGitConfig(..),
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extractRemoteGitConfig,
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dummyRemoteGitConfig,
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) where
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import Common
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import qualified Git
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import qualified Git.Config
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import qualified Git.Construct
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import Git.ConfigTypes
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import Utility.DataUnits
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import Config.Cost
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import Types.UUID
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import Types.Distribution
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import Types.Availability
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import Types.NumCopies
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import Types.Difference
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import Types.RefSpec
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import Config.DynamicConfig
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import Utility.HumanTime
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import Utility.Gpg (GpgCmd, mkGpgCmd)
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import Utility.ThreadScheduler (Seconds(..))
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import Control.Concurrent.STM
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-- | A configurable value, that may not be fully determined yet because
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-- the global git config has not yet been loaded.
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data Configurable a
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= HasConfig a
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-- ^ Value is fully determined.
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| DefaultConfig a
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-- ^ A default value is known, but not all config sources
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-- have been read yet.
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deriving (Show)
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{- Main git-annex settings. Each setting corresponds to a git-config key
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- such as annex.foo -}
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data GitConfig = GitConfig
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{ annexVersion :: Maybe String
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, annexUUID :: UUID
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, annexNumCopies :: Maybe NumCopies
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, annexDiskReserve :: Integer
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, annexDirect :: Bool
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, annexBackend :: Maybe String
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, annexQueueSize :: Maybe Int
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, annexBloomCapacity :: Maybe Int
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, annexBloomAccuracy :: Maybe Int
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, annexSshCaching :: Maybe Bool
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, annexAlwaysCommit :: Bool
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, annexDelayAdd :: Maybe Int
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, annexHttpHeaders :: [String]
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, annexHttpHeadersCommand :: Maybe String
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, annexAutoCommit :: Configurable Bool
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, annexResolveMerge :: Configurable Bool
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, annexSyncContent :: Configurable Bool
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, annexDebug :: Bool
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, annexWebOptions :: [String]
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, annexQuviOptions :: [String]
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, annexAriaTorrentOptions :: [String]
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, annexWebDownloadCommand :: Maybe String
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, annexCrippledFileSystem :: Bool
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, annexLargeFiles :: Maybe String
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, annexAddSmallFiles :: Bool
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, annexFsckNudge :: Bool
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, annexAutoUpgrade :: AutoUpgrade
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, annexExpireUnused :: Maybe (Maybe Duration)
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, annexSecureEraseCommand :: Maybe String
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, annexGenMetaData :: Bool
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, annexListen :: Maybe String
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, annexStartupScan :: Bool
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, annexHardLink :: Bool
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, annexThin :: Bool
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, annexDifferences :: Differences
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, annexUsedRefSpec :: Maybe RefSpec
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, annexVerify :: Bool
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, annexPidLock :: Bool
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, annexPidLockTimeout :: Seconds
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, annexAddUnlocked :: Bool
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, annexSecureHashesOnly :: Bool
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, coreSymlinks :: Bool
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, coreSharedRepository :: SharedRepository
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, receiveDenyCurrentBranch :: DenyCurrentBranch
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, gcryptId :: Maybe String
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, gpgCmd :: GpgCmd
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, gitConfigRepo :: Git.Repo
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}
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extractGitConfig :: Git.Repo -> GitConfig
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extractGitConfig r = GitConfig
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{ annexVersion = notempty $ getmaybe (annex "version")
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, annexUUID = maybe NoUUID toUUID $ getmaybe (annex "uuid")
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, annexNumCopies = NumCopies <$> getmayberead (annex "numcopies")
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, annexDiskReserve = fromMaybe onemegabyte $
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readSize dataUnits =<< getmaybe (annex "diskreserve")
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, annexDirect = getbool (annex "direct") False
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, annexBackend = maybe
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-- annex.backends is the old name of the option, still used
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-- when annex.backend is not set.
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(headMaybe $ getwords (annex "backends"))
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Just
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(getmaybe (annex "backend"))
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, annexQueueSize = getmayberead (annex "queuesize")
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, annexBloomCapacity = getmayberead (annex "bloomcapacity")
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, annexBloomAccuracy = getmayberead (annex "bloomaccuracy")
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, annexSshCaching = getmaybebool (annex "sshcaching")
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, annexAlwaysCommit = getbool (annex "alwayscommit") True
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, annexDelayAdd = getmayberead (annex "delayadd")
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, annexHttpHeaders = getlist (annex "http-headers")
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, annexHttpHeadersCommand = getmaybe (annex "http-headers-command")
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, annexAutoCommit = configurable True $
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getmaybebool (annex "autocommit")
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, annexResolveMerge = configurable True $
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getmaybebool (annex "resolvemerge")
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, annexSyncContent = configurable False $
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getmaybebool (annex "synccontent")
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, annexDebug = getbool (annex "debug") False
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, annexWebOptions = getwords (annex "web-options")
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, annexQuviOptions = getwords (annex "quvi-options")
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, annexAriaTorrentOptions = getwords (annex "aria-torrent-options")
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, annexWebDownloadCommand = getmaybe (annex "web-download-command")
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, annexCrippledFileSystem = getbool (annex "crippledfilesystem") False
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, annexLargeFiles = getmaybe (annex "largefiles")
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, annexAddSmallFiles = getbool (annex "addsmallfiles") True
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, annexFsckNudge = getbool (annex "fscknudge") True
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, annexAutoUpgrade = toAutoUpgrade $ getmaybe (annex "autoupgrade")
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, annexExpireUnused = maybe Nothing Just . parseDuration
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<$> getmaybe (annex "expireunused")
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, annexSecureEraseCommand = getmaybe (annex "secure-erase-command")
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, annexGenMetaData = getbool (annex "genmetadata") False
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, annexListen = getmaybe (annex "listen")
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, annexStartupScan = getbool (annex "startupscan") True
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, annexHardLink = getbool (annex "hardlink") False
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, annexThin = getbool (annex "thin") False
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, annexDifferences = getDifferences r
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, annexUsedRefSpec = either (const Nothing) Just . parseRefSpec
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=<< getmaybe (annex "used-refspec")
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, annexVerify = getbool (annex "verify") True
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, annexPidLock = getbool (annex "pidlock") False
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, annexPidLockTimeout = Seconds $ fromMaybe 300 $
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getmayberead (annex "pidlocktimeout")
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, annexAddUnlocked = getbool (annex "addunlocked") False
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, annexSecureHashesOnly = getbool (annex "securehashesonly") False
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, coreSymlinks = getbool "core.symlinks" True
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, coreSharedRepository = getSharedRepository r
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, receiveDenyCurrentBranch = getDenyCurrentBranch r
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, gcryptId = getmaybe "core.gcrypt-id"
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, gpgCmd = mkGpgCmd (getmaybe "gpg.program")
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, gitConfigRepo = r
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}
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where
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getbool k d = fromMaybe d $ getmaybebool k
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getmaybebool k = Git.Config.isTrue =<< getmaybe k
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getmayberead k = readish =<< getmaybe k
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getmaybe k = Git.Config.getMaybe k r
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getlist k = Git.Config.getList k r
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getwords k = fromMaybe [] $ words <$> getmaybe k
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configurable d Nothing = DefaultConfig d
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configurable _ (Just v) = HasConfig v
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annex k = "annex." ++ k
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onemegabyte = 1000000
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{- Merge a GitConfig that comes from git-config with one containing
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- repository-global defaults. -}
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mergeGitConfig :: GitConfig -> GitConfig -> GitConfig
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mergeGitConfig gitconfig repoglobals = gitconfig
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{ annexAutoCommit = merge annexAutoCommit
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, annexSyncContent = merge annexSyncContent
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}
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where
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merge f = case f gitconfig of
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HasConfig v -> HasConfig v
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DefaultConfig d -> case f repoglobals of
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HasConfig v -> HasConfig v
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DefaultConfig _ -> HasConfig d
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{- Per-remote git-annex settings. Each setting corresponds to a git-config
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- key such as <remote>.annex-foo, or if that is not set, a default from
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- annex.foo -}
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data RemoteGitConfig = RemoteGitConfig
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{ remoteAnnexCost :: DynamicConfig (Maybe Cost)
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, remoteAnnexIgnore :: DynamicConfig Bool
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, remoteAnnexSync :: DynamicConfig Bool
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, remoteAnnexPull :: Bool
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, remoteAnnexPush :: Bool
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, remoteAnnexReadOnly :: Bool
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, remoteAnnexVerify :: Bool
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, remoteAnnexExportTracking :: Maybe Git.Ref
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, remoteAnnexTrustLevel :: Maybe String
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, remoteAnnexStartCommand :: Maybe String
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, remoteAnnexStopCommand :: Maybe String
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, remoteAnnexAvailability :: Maybe Availability
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, remoteAnnexBare :: Maybe Bool
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{- These settings are specific to particular types of remotes
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- including special remotes. -}
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, remoteAnnexShell :: Maybe String
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, remoteAnnexSshOptions :: [String]
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, remoteAnnexRsyncOptions :: [String]
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, remoteAnnexRsyncUploadOptions :: [String]
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, remoteAnnexRsyncDownloadOptions :: [String]
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, remoteAnnexRsyncTransport :: [String]
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, remoteAnnexGnupgOptions :: [String]
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, remoteAnnexGnupgDecryptOptions :: [String]
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, remoteAnnexRsyncUrl :: Maybe String
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, remoteAnnexBupRepo :: Maybe String
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, remoteAnnexTahoe :: Maybe FilePath
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, remoteAnnexBupSplitOptions :: [String]
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, remoteAnnexDirectory :: Maybe FilePath
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, remoteAnnexGCrypt :: Maybe String
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, remoteAnnexDdarRepo :: Maybe String
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, remoteAnnexHookType :: Maybe String
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, remoteAnnexExternalType :: Maybe String
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{- A regular git remote's git repository config. -}
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, remoteGitConfig :: GitConfig
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}
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extractRemoteGitConfig :: Git.Repo -> String -> STM RemoteGitConfig
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extractRemoteGitConfig r remotename = do
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annexcost <- mkDynamicConfig readCommandRunner
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(notempty $ getmaybe "cost-command")
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(getmayberead "cost")
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annexignore <- mkDynamicConfig unsuccessfullCommandRunner
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(notempty $ getmaybe "ignore-command")
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(getbool "ignore" False)
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annexsync <- mkDynamicConfig successfullCommandRunner
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(notempty $ getmaybe "sync-command")
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(getbool "sync" True)
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return $ RemoteGitConfig
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{ remoteAnnexCost = annexcost
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, remoteAnnexIgnore = annexignore
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, remoteAnnexSync = annexsync
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, remoteAnnexPull = getbool "pull" True
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, remoteAnnexPush = getbool "push" True
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, remoteAnnexReadOnly = getbool "readonly" False
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, remoteAnnexVerify = getbool "verify" True
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, remoteAnnexExportTracking = Git.Ref
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<$> notempty (getmaybe "export-tracking")
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, remoteAnnexTrustLevel = notempty $ getmaybe "trustlevel"
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, remoteAnnexStartCommand = notempty $ getmaybe "start-command"
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, remoteAnnexStopCommand = notempty $ getmaybe "stop-command"
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, remoteAnnexAvailability = getmayberead "availability"
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, remoteAnnexBare = getmaybebool "bare"
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, remoteAnnexShell = getmaybe "shell"
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, remoteAnnexSshOptions = getoptions "ssh-options"
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, remoteAnnexRsyncOptions = getoptions "rsync-options"
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, remoteAnnexRsyncDownloadOptions = getoptions "rsync-download-options"
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, remoteAnnexRsyncUploadOptions = getoptions "rsync-upload-options"
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, remoteAnnexRsyncTransport = getoptions "rsync-transport"
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, remoteAnnexGnupgOptions = getoptions "gnupg-options"
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, remoteAnnexGnupgDecryptOptions = getoptions "gnupg-decrypt-options"
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, remoteAnnexRsyncUrl = notempty $ getmaybe "rsyncurl"
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, remoteAnnexBupRepo = getmaybe "buprepo"
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, remoteAnnexTahoe = getmaybe "tahoe"
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, remoteAnnexBupSplitOptions = getoptions "bup-split-options"
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, remoteAnnexDirectory = notempty $ getmaybe "directory"
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, remoteAnnexGCrypt = notempty $ getmaybe "gcrypt"
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, remoteAnnexDdarRepo = getmaybe "ddarrepo"
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, remoteAnnexHookType = notempty $ getmaybe "hooktype"
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, remoteAnnexExternalType = notempty $ getmaybe "externaltype"
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, remoteGitConfig = extractGitConfig r
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}
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where
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getbool k d = fromMaybe d $ getmaybebool k
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getmaybebool k = Git.Config.isTrue =<< getmaybe k
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getmayberead k = readish =<< getmaybe k
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getmaybe k = mplus (Git.Config.getMaybe (key k) r)
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(Git.Config.getMaybe (remotekey k) r)
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getoptions k = fromMaybe [] $ words <$> getmaybe k
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key k = "annex." ++ k
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remotekey k = "remote." ++ remotename ++ ".annex-" ++ k
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notempty :: Maybe String -> Maybe String
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notempty Nothing = Nothing
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notempty (Just "") = Nothing
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notempty (Just s) = Just s
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dummyRemoteGitConfig :: IO RemoteGitConfig
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dummyRemoteGitConfig = atomically $
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extractRemoteGitConfig Git.Construct.fromUnknown "dummy"
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