{- git-annex configuration - - Copyright 2012-2021 Joey Hess - - Licensed under the GNU AGPL version 3 or higher. -} {-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-} {-# LANGUAGE OverloadedStrings #-} module Types.GitConfig ( GlobalConfigurable(..), ConfigSource(..), GitConfig(..), extractGitConfig, mergeGitConfig, globalConfigs, RemoteGitConfig(..), extractRemoteGitConfig, dummyRemoteGitConfig, annexConfig, RemoteNameable(..), remoteAnnexConfig, remoteConfig, ) where import Common import qualified Git import qualified Git.Config import qualified Git.Construct import Git.Types import Git.ConfigTypes import Git.Remote (isRemoteKey, remoteKeyToRemoteName) import Git.Branch (CommitMode(..)) import Utility.DataUnits import Config.Cost import Types.UUID import Types.Distribution import Types.Availability import Types.Concurrency import Types.NumCopies import Types.Difference import Types.RefSpec import Types.RepoVersion import Types.StallDetection import Config.DynamicConfig import Utility.HumanTime import Utility.Gpg (GpgCmd, mkGpgCmd) import Utility.ThreadScheduler (Seconds(..)) import Utility.Url (Scheme, mkScheme) import Control.Concurrent.STM import qualified Data.Set as S import qualified Data.Map as M import qualified Data.ByteString as B -- | A configurable value, that may not be fully determined yet because -- the global git config has not yet been loaded. data GlobalConfigurable a = HasGitConfig a -- ^ The git config has a value. | HasGlobalConfig a -- ^ The global config has a value (and the git config does not). | DefaultConfig a -- ^ A default value is known, but not all config sources -- have been read yet. deriving (Show) data ConfigSource = FromGitConfig | FromGlobalConfig {- Main git-annex settings. Each setting corresponds to a git-config key - such as annex.foo -} data GitConfig = GitConfig { annexVersion :: Maybe RepoVersion , annexUUID :: UUID , annexNumCopies :: Maybe NumCopies , annexDiskReserve :: Integer , annexDirect :: Bool , annexBackend :: Maybe String , annexQueueSize :: Maybe Int , annexBloomCapacity :: Maybe Int , annexBloomAccuracy :: Maybe Int , annexSshCaching :: Maybe Bool , annexAlwaysCommit :: Bool , annexCommitMessage :: Maybe String , annexMergeAnnexBranches :: Bool , annexDelayAdd :: Maybe Int , annexHttpHeaders :: [String] , annexHttpHeadersCommand :: Maybe String , annexAutoCommit :: GlobalConfigurable Bool , annexResolveMerge :: GlobalConfigurable Bool , annexSyncContent :: GlobalConfigurable Bool , annexSyncOnlyAnnex :: GlobalConfigurable Bool , annexDebug :: Bool , annexDebugFilter :: Maybe String , annexWebOptions :: [String] , annexYoutubeDlOptions :: [String] , annexYoutubeDlCommand :: Maybe String , annexAriaTorrentOptions :: [String] , annexCrippledFileSystem :: Bool , annexLargeFiles :: GlobalConfigurable (Maybe String) , annexDotFiles :: GlobalConfigurable Bool , annexGitAddToAnnex :: Bool , annexAddSmallFiles :: Bool , annexFsckNudge :: Bool , annexAutoUpgrade :: AutoUpgrade , annexExpireUnused :: Maybe (Maybe Duration) , annexFreezeContentCommand :: Maybe String , annexThawContentCommand :: Maybe String , annexSecureEraseCommand :: Maybe String , annexGenMetaData :: Bool , annexListen :: Maybe String , annexStartupScan :: Bool , annexHardLink :: Bool , annexThin :: Bool , annexDifferences :: Differences , annexUsedRefSpec :: Maybe RefSpec , annexVerify :: Bool , annexPidLock :: Bool , annexPidLockTimeout :: Seconds , annexAddUnlocked :: GlobalConfigurable (Maybe String) , annexSecureHashesOnly :: Bool , annexRetry :: Maybe Integer , annexForwardRetry :: Maybe Integer , annexRetryDelay :: Maybe Seconds , annexStallDetection :: Maybe StallDetection , annexAllowedUrlSchemes :: S.Set Scheme , annexAllowedIPAddresses :: String , annexAllowUnverifiedDownloads :: Bool , annexMaxExtensionLength :: Maybe Int , annexJobs :: Concurrency , annexCacheCreds :: Bool , annexAutoUpgradeRepository :: Bool , annexCommitMode :: CommitMode , annexSkipUnknown :: Bool , annexAdjustedBranchRefresh :: Integer , annexSupportUnlocked :: Bool , coreSymlinks :: Bool , coreSharedRepository :: SharedRepository , receiveDenyCurrentBranch :: DenyCurrentBranch , gcryptId :: Maybe String , gpgCmd :: GpgCmd , mergeDirectoryRenames :: Maybe String , annexPrivateRepos :: S.Set UUID , annexAdviceNoSshCaching :: Bool } extractGitConfig :: ConfigSource -> Git.Repo -> GitConfig extractGitConfig configsource r = GitConfig { annexVersion = RepoVersion <$> getmayberead (annexConfig "version") , annexUUID = hereuuid , annexNumCopies = NumCopies <$> getmayberead (annexConfig "numcopies") , annexDiskReserve = fromMaybe onemegabyte $ readSize dataUnits =<< getmaybe (annexConfig "diskreserve") , annexDirect = getbool (annexConfig "direct") False , annexBackend = maybe -- annex.backends is the old name of the option, still used -- when annex.backend is not set. (headMaybe $ getwords (annexConfig "backends")) Just (getmaybe (annexConfig "backend")) , annexQueueSize = getmayberead (annexConfig "queuesize") , annexBloomCapacity = getmayberead (annexConfig "bloomcapacity") , annexBloomAccuracy = getmayberead (annexConfig "bloomaccuracy") , annexSshCaching = getmaybebool (annexConfig "sshcaching") , annexAlwaysCommit = getbool (annexConfig "alwayscommit") True , annexCommitMessage = getmaybe (annexConfig "commitmessage") , annexMergeAnnexBranches = getbool (annexConfig "merge-annex-branches") True , annexDelayAdd = getmayberead (annexConfig "delayadd") , annexHttpHeaders = getlist (annexConfig "http-headers") , annexHttpHeadersCommand = getmaybe (annexConfig "http-headers-command") , annexAutoCommit = configurable True $ getmaybebool (annexConfig "autocommit") , annexResolveMerge = configurable True $ getmaybebool (annexConfig "resolvemerge") , annexSyncContent = configurable False $ getmaybebool (annexConfig "synccontent") , annexSyncOnlyAnnex = configurable False $ getmaybebool (annexConfig "synconlyannex") , annexDebug = getbool (annexConfig "debug") False , annexDebugFilter = getmaybe (annexConfig "debugfilter") , annexWebOptions = getwords (annexConfig "web-options") , annexYoutubeDlOptions = getwords (annexConfig "youtube-dl-options") , annexYoutubeDlCommand = getmaybe (annexConfig "youtube-dl-command") , annexAriaTorrentOptions = getwords (annexConfig "aria-torrent-options") , annexCrippledFileSystem = getbool (annexConfig "crippledfilesystem") False , annexLargeFiles = configurable Nothing $ fmap Just $ getmaybe (annexConfig "largefiles") , annexDotFiles = configurable False $ getmaybebool (annexConfig "dotfiles") , annexGitAddToAnnex = getbool (annexConfig "gitaddtoannex") True , annexAddSmallFiles = getbool (annexConfig "addsmallfiles") True , annexFsckNudge = getbool (annexConfig "fscknudge") True , annexAutoUpgrade = toAutoUpgrade $ getmaybe (annexConfig "autoupgrade") , annexExpireUnused = either (const Nothing) Just . parseDuration <$> getmaybe (annexConfig "expireunused") , annexFreezeContentCommand = getmaybe (annexConfig "freezecontent-command") , annexThawContentCommand = getmaybe (annexConfig "thawcontent-command") , annexSecureEraseCommand = getmaybe (annexConfig "secure-erase-command") , annexGenMetaData = getbool (annexConfig "genmetadata") False , annexListen = getmaybe (annexConfig "listen") , annexStartupScan = getbool (annexConfig "startupscan") True , annexHardLink = getbool (annexConfig "hardlink") False , annexThin = getbool (annexConfig "thin") False , annexDifferences = getDifferences r , annexUsedRefSpec = either (const Nothing) Just . parseRefSpec =<< getmaybe (annexConfig "used-refspec") , annexVerify = getbool (annexConfig "verify") True , annexPidLock = getbool (annexConfig "pidlock") False , annexPidLockTimeout = Seconds $ fromMaybe 300 $ getmayberead (annexConfig "pidlocktimeout") , annexAddUnlocked = configurable Nothing $ fmap Just $ getmaybe (annexConfig "addunlocked") , annexSecureHashesOnly = getbool (annexConfig "securehashesonly") False , annexRetry = getmayberead (annexConfig "retry") , annexForwardRetry = getmayberead (annexConfig "forward-retry") , annexRetryDelay = Seconds <$> getmayberead (annexConfig "retrydelay") , annexStallDetection = either (const Nothing) id . parseStallDetection =<< getmaybe (annexConfig "stalldetection") , annexAllowedUrlSchemes = S.fromList $ map mkScheme $ maybe ["http", "https", "ftp"] words $ getmaybe (annexConfig "security.allowed-url-schemes") , annexAllowedIPAddresses = fromMaybe "" $ getmaybe (annexConfig "security.allowed-ip-addresses") <|> getmaybe (annexConfig "security.allowed-http-addresses") -- old name , annexAllowUnverifiedDownloads = (== Just "ACKTHPPT") $ getmaybe (annexConfig "security.allow-unverified-downloads") , annexMaxExtensionLength = getmayberead (annexConfig "maxextensionlength") , annexJobs = fromMaybe NonConcurrent $ parseConcurrency =<< getmaybe (annexConfig "jobs") , annexCacheCreds = getbool (annexConfig "cachecreds") True , annexAutoUpgradeRepository = getbool (annexConfig "autoupgraderepository") True , annexCommitMode = if getbool (annexConfig "allowsign") False then ManualCommit else AutomaticCommit , annexSkipUnknown = getbool (annexConfig "skipunknown") True , annexAdjustedBranchRefresh = fromMaybe -- parse as bool if it's not a number (if getbool "adjustedbranchrefresh" False then 1 else 0) (getmayberead (annexConfig "adjustedbranchrefresh")) , annexSupportUnlocked = getbool (annexConfig "supportunlocked") True , coreSymlinks = getbool "core.symlinks" True , coreSharedRepository = getSharedRepository r , receiveDenyCurrentBranch = getDenyCurrentBranch r , gcryptId = getmaybe "core.gcrypt-id" , gpgCmd = mkGpgCmd (getmaybe "gpg.program") , mergeDirectoryRenames = getmaybe "directoryrenames" , annexPrivateRepos = S.fromList $ concat [ if getbool (annexConfig "private") False then [hereuuid] else [] , let get (k, v) | Git.Config.isTrueFalse' v /= Just True = Nothing | isRemoteKey (remoteAnnexConfigEnd "private") k = do remotename <- remoteKeyToRemoteName k toUUID <$> Git.Config.getMaybe (remoteAnnexConfig remotename "uuid") r | otherwise = Nothing in mapMaybe get (M.toList (Git.config r)) ] , annexAdviceNoSshCaching = getbool (annexConfig "adviceNoSshCaching") True } where getbool k d = fromMaybe d $ getmaybebool k getmaybebool k = Git.Config.isTrueFalse' =<< getmaybe' k getmayberead k = readish =<< getmaybe k getmaybe = fmap fromConfigValue . getmaybe' getmaybe' k = Git.Config.getMaybe k r getlist k = map fromConfigValue $ Git.Config.getList k r getwords k = fromMaybe [] $ words <$> getmaybe k configurable d Nothing = DefaultConfig d configurable _ (Just v) = case configsource of FromGitConfig -> HasGitConfig v FromGlobalConfig -> HasGlobalConfig v onemegabyte = 1000000 hereuuid = maybe NoUUID toUUID $ getmaybe (annexConfig "uuid") {- Merge a GitConfig that comes from git-config with one containing - repository-global defaults. -} mergeGitConfig :: GitConfig -> GitConfig -> GitConfig mergeGitConfig gitconfig repoglobals = gitconfig { annexAutoCommit = merge annexAutoCommit , annexSyncContent = merge annexSyncContent , annexSyncOnlyAnnex = merge annexSyncOnlyAnnex , annexResolveMerge = merge annexResolveMerge , annexLargeFiles = merge annexLargeFiles , annexDotFiles = merge annexDotFiles , annexAddUnlocked = merge annexAddUnlocked } where merge f = case f gitconfig of HasGitConfig v -> HasGitConfig v DefaultConfig d -> case f repoglobals of HasGlobalConfig v -> HasGlobalConfig v _ -> HasGitConfig d HasGlobalConfig v -> HasGlobalConfig v {- Configs that can be set repository-global. -} globalConfigs :: [ConfigKey] globalConfigs = [ annexConfig "largefiles" , annexConfig "dotfiles" , annexConfig "addunlocked" , annexConfig "autocommit" , annexConfig "resolvemerge" , annexConfig "synccontent" , annexConfig "synconlyannex" , annexConfig "securehashesonly" ] {- Per-remote git-annex settings. Each setting corresponds to a git-config - key such as .annex-foo, or if that is not set, a default from - annex.foo. - - Note that this is from the perspective of the local repository, - it is not influenced in any way by the contents of the remote - repository's git config. -} data RemoteGitConfig = RemoteGitConfig { remoteAnnexCost :: DynamicConfig (Maybe Cost) , remoteAnnexIgnore :: DynamicConfig Bool , remoteAnnexSync :: DynamicConfig Bool , remoteAnnexPull :: Bool , remoteAnnexPush :: Bool , remoteAnnexReadOnly :: Bool , remoteAnnexVerify :: Bool , remoteAnnexCheckUUID :: Bool , remoteAnnexTrackingBranch :: Maybe Git.Ref , remoteAnnexTrustLevel :: Maybe String , remoteAnnexStartCommand :: Maybe String , remoteAnnexStopCommand :: Maybe String , remoteAnnexAvailability :: Maybe Availability , remoteAnnexSpeculatePresent :: Bool , remoteAnnexBare :: Maybe Bool , remoteAnnexRetry :: Maybe Integer , remoteAnnexForwardRetry :: Maybe Integer , remoteAnnexRetryDelay :: Maybe Seconds , remoteAnnexStallDetection :: Maybe StallDetection , remoteAnnexAllowUnverifiedDownloads :: Bool , remoteAnnexConfigUUID :: Maybe UUID {- These settings are specific to particular types of remotes - including special remotes. -} , remoteAnnexShell :: Maybe String , remoteAnnexSshOptions :: [String] , remoteAnnexRsyncOptions :: [String] , remoteAnnexRsyncUploadOptions :: [String] , remoteAnnexRsyncDownloadOptions :: [String] , remoteAnnexRsyncTransport :: [String] , remoteAnnexGnupgOptions :: [String] , remoteAnnexGnupgDecryptOptions :: [String] , remoteAnnexRsyncUrl :: Maybe String , remoteAnnexBupRepo :: Maybe String , remoteAnnexBorgRepo :: Maybe String , remoteAnnexTahoe :: Maybe FilePath , remoteAnnexBupSplitOptions :: [String] , remoteAnnexDirectory :: Maybe FilePath , remoteAnnexAndroidDirectory :: Maybe FilePath , remoteAnnexAndroidSerial :: Maybe String , remoteAnnexGCrypt :: Maybe String , remoteAnnexGitLFS :: Bool , remoteAnnexDdarRepo :: Maybe String , remoteAnnexHookType :: Maybe String , remoteAnnexExternalType :: Maybe String } {- The Git.Repo is the local repository, which has the remote with the - given RemoteName. -} extractRemoteGitConfig :: Git.Repo -> RemoteName -> STM RemoteGitConfig extractRemoteGitConfig r remotename = do annexcost <- mkDynamicConfig readCommandRunner (notempty $ getmaybe "cost-command") (getmayberead "cost") annexignore <- mkDynamicConfig unsuccessfullCommandRunner (notempty $ getmaybe "ignore-command") (getbool "ignore" False) annexsync <- mkDynamicConfig successfullCommandRunner (notempty $ getmaybe "sync-command") (getbool "sync" True) return $ RemoteGitConfig { remoteAnnexCost = annexcost , remoteAnnexIgnore = annexignore , remoteAnnexSync = annexsync , remoteAnnexPull = getbool "pull" True , remoteAnnexPush = getbool "push" True , remoteAnnexReadOnly = getbool "readonly" False , remoteAnnexCheckUUID = getbool "checkuuid" True , remoteAnnexVerify = getbool "verify" True , remoteAnnexTrackingBranch = Git.Ref . encodeBS <$> ( notempty (getmaybe "tracking-branch") <|> notempty (getmaybe "export-tracking") -- old name ) , remoteAnnexTrustLevel = notempty $ getmaybe "trustlevel" , remoteAnnexStartCommand = notempty $ getmaybe "start-command" , remoteAnnexStopCommand = notempty $ getmaybe "stop-command" , remoteAnnexAvailability = getmayberead "availability" , remoteAnnexSpeculatePresent = getbool "speculate-present" False , remoteAnnexBare = getmaybebool "bare" , remoteAnnexRetry = getmayberead "retry" , remoteAnnexForwardRetry = getmayberead "forward-retry" , remoteAnnexRetryDelay = Seconds <$> getmayberead "retrydelay" , remoteAnnexStallDetection = either (const Nothing) id . parseStallDetection =<< getmaybe "stalldetection" , remoteAnnexAllowUnverifiedDownloads = (== Just "ACKTHPPT") $ getmaybe ("security-allow-unverified-downloads") , remoteAnnexConfigUUID = toUUID <$> getmaybe "config-uuid" , remoteAnnexShell = getmaybe "shell" , remoteAnnexSshOptions = getoptions "ssh-options" , remoteAnnexRsyncOptions = getoptions "rsync-options" , remoteAnnexRsyncDownloadOptions = getoptions "rsync-download-options" , remoteAnnexRsyncUploadOptions = getoptions "rsync-upload-options" , remoteAnnexRsyncTransport = getoptions "rsync-transport" , remoteAnnexGnupgOptions = getoptions "gnupg-options" , remoteAnnexGnupgDecryptOptions = getoptions "gnupg-decrypt-options" , remoteAnnexRsyncUrl = notempty $ getmaybe "rsyncurl" , remoteAnnexBupRepo = getmaybe "buprepo" , remoteAnnexBorgRepo = getmaybe "borgrepo" , remoteAnnexTahoe = getmaybe "tahoe" , remoteAnnexBupSplitOptions = getoptions "bup-split-options" , remoteAnnexDirectory = notempty $ getmaybe "directory" , remoteAnnexAndroidDirectory = notempty $ getmaybe "androiddirectory" , remoteAnnexAndroidSerial = notempty $ getmaybe "androidserial" , remoteAnnexGCrypt = notempty $ getmaybe "gcrypt" , remoteAnnexGitLFS = getbool "git-lfs" False , remoteAnnexDdarRepo = getmaybe "ddarrepo" , remoteAnnexHookType = notempty $ getmaybe "hooktype" , remoteAnnexExternalType = notempty $ getmaybe "externaltype" } where getbool k d = fromMaybe d $ getmaybebool k getmaybebool k = Git.Config.isTrueFalse' =<< getmaybe' k getmayberead k = readish =<< getmaybe k getmaybe = fmap fromConfigValue . getmaybe' getmaybe' k = mplus (Git.Config.getMaybe (annexConfig k) r) (Git.Config.getMaybe (remoteAnnexConfig remotename k) r) getoptions k = fromMaybe [] $ words <$> getmaybe k notempty :: Maybe String -> Maybe String notempty Nothing = Nothing notempty (Just "") = Nothing notempty (Just s) = Just s dummyRemoteGitConfig :: IO RemoteGitConfig dummyRemoteGitConfig = atomically $ extractRemoteGitConfig Git.Construct.fromUnknown "dummy" type UnqualifiedConfigKey = B.ByteString {- A global annex setting in git config. -} annexConfig :: UnqualifiedConfigKey -> ConfigKey annexConfig key = ConfigKey ("annex." <> 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 annex setting in git config. -} remoteAnnexConfig :: RemoteNameable r => r -> UnqualifiedConfigKey -> ConfigKey remoteAnnexConfig r = remoteConfig r . remoteAnnexConfigEnd remoteAnnexConfigEnd :: UnqualifiedConfigKey -> UnqualifiedConfigKey remoteAnnexConfigEnd key = "annex-" <> key {- A per-remote setting in git config. -} remoteConfig :: RemoteNameable r => r -> UnqualifiedConfigKey -> ConfigKey remoteConfig r key = ConfigKey $ "remote." <> encodeBS (getRemoteName r) <> "." <> key