ab7746a2ae
Note that it does not prevent storing p2p access tokens or multicast encryption keys, since those are not cached; the previous commit established the distinction. How well this works depends on how often getRemoteCredPair is called and how expensive it is. In some cases setting this will result in an annoying number of gpg password prompts and/or slowdowns due to reading creds from the git-annex branch and decrypting, which could be improved by calling getRemoteCredPair less often. This commit was sponsored by Ilya Shlyakhter on Patreon.
341 lines
13 KiB
Haskell
341 lines
13 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.Types
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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.Concurrency
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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 Types.RepoVersion
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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 Utility.Url (Scheme, mkScheme)
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import Control.Concurrent.STM
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import qualified Data.Set as S
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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 RepoVersion
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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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, annexCommitMessage :: Maybe String
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, annexMergeAnnexBranches :: 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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, annexYoutubeDlOptions :: [String]
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, annexAriaTorrentOptions :: [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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, annexRetry :: Maybe Integer
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, annexRetryDelay :: Maybe Seconds
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, annexAllowedUrlSchemes :: S.Set Scheme
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, annexAllowedHttpAddresses :: String
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, annexAllowUnverifiedDownloads :: Bool
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, annexMaxExtensionLength :: Maybe Int
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, annexJobs :: Concurrency
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, annexCacheCreds :: 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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}
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extractGitConfig :: Git.Repo -> GitConfig
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extractGitConfig r = GitConfig
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{ annexVersion = RepoVersion <$> getmayberead (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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, annexCommitMessage = getmaybe (annex "commitmessage")
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, annexMergeAnnexBranches = getbool (annex "merge-annex-branches") 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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, annexYoutubeDlOptions = getwords (annex "youtube-dl-options")
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, annexAriaTorrentOptions = getwords (annex "aria-torrent-options")
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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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, annexRetry = getmayberead (annex "retry")
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, annexRetryDelay = Seconds
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<$> getmayberead (annex "retrydelay")
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, annexAllowedUrlSchemes = S.fromList $ map mkScheme $
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maybe ["http", "https", "ftp"] words $
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getmaybe (annex "security.allowed-url-schemes")
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, annexAllowedHttpAddresses = fromMaybe "" $
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getmaybe (annex "security.allowed-http-addresses")
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, annexAllowUnverifiedDownloads = (== Just "ACKTHPPT") $
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getmaybe (annex "security.allow-unverified-downloads")
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, annexMaxExtensionLength = getmayberead (annex "maxextensionlength")
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, annexJobs = maybe NonConcurrent Concurrent $ getmayberead (annex "jobs")
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, annexCacheCreds = getbool (annex "cachecreds") True
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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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}
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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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-
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- Note that this is from the perspective of the local repository,
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- it is not influenced in any way by the contents of the remote
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- repository's git config.
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-}
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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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, remoteAnnexCheckUUID :: 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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, remoteAnnexSpeculatePresent :: Bool
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, remoteAnnexBare :: Maybe Bool
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, remoteAnnexRetry :: Maybe Integer
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, remoteAnnexRetryDelay :: Maybe Seconds
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, remoteAnnexAllowUnverifiedDownloads :: 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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, remoteAnnexAndroidDirectory :: Maybe FilePath
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, remoteAnnexAndroidSerial :: Maybe String
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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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}
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{- The Git.Repo is the local repository, which has the remote with the
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- given RemoteName. -}
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extractRemoteGitConfig :: Git.Repo -> RemoteName -> 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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, remoteAnnexCheckUUID = getbool "checkuuid" True
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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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, remoteAnnexSpeculatePresent = getbool "speculate-present" False
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, remoteAnnexBare = getmaybebool "bare"
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, remoteAnnexRetry = getmayberead "retry"
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, remoteAnnexRetryDelay = Seconds
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<$> getmayberead "retrydelay"
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, remoteAnnexAllowUnverifiedDownloads = (== Just "ACKTHPPT") $
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getmaybe ("security-allow-unverified-downloads")
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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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, remoteAnnexAndroidDirectory = notempty $ getmaybe "androiddirectory"
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, remoteAnnexAndroidSerial = notempty $ getmaybe "androidserial"
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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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}
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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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