d66535f065
* numcopies: New command, sets global numcopies value that is seen by all clones of a repository. * The annex.numcopies git config setting is deprecated. Once the numcopies command is used to set the global number of copies, any annex.numcopies git configs will be ignored. * assistant: Make the prefs page set the global numcopies. This global numcopies setting is needed to let preferred content expressions operate on numcopies. It's also convenient, because typically if you want git-annex to preserve N copies of files in a repo, you want it to do that no matter which repo it's running in. Making it global avoids needing to warn the user about gotchas involving inconsistent annex.numcopies settings. (See changes to doc/numcopies.mdwn.) Added a new variety of git-annex branch log file, that holds only 1 value. Will probably be useful for other stuff later. This commit was sponsored by Nicolas Pouillard.
96 lines
3.2 KiB
Haskell
96 lines
3.2 KiB
Haskell
{- Git configuration
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-
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- Copyright 2011-2014 Joey Hess <joey@kitenet.net>
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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 Config where
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import Common.Annex
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import qualified Git
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import qualified Git.Config
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import qualified Git.Command
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import qualified Annex
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import Config.Cost
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import Types.Availability
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type UnqualifiedConfigKey = String
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data ConfigKey = ConfigKey String
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instance Show ConfigKey where
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show (ConfigKey s) = s
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{- Looks up a setting in git config. -}
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getConfig :: ConfigKey -> String -> Annex String
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getConfig (ConfigKey key) def = fromRepo $ Git.Config.get key def
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getConfigMaybe :: ConfigKey -> Annex (Maybe String)
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getConfigMaybe (ConfigKey key) = fromRepo $ Git.Config.getMaybe key
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{- Changes a git config setting in both internal state and .git/config -}
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setConfig :: ConfigKey -> String -> Annex ()
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setConfig (ConfigKey key) value = do
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inRepo $ Git.Command.run [Param "config", Param key, Param value]
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Annex.changeGitRepo =<< inRepo Git.Config.reRead
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{- Unsets a git config setting. (Leaves it in state currently.) -}
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unsetConfig :: ConfigKey -> Annex ()
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unsetConfig ck@(ConfigKey key) = ifM (isJust <$> getConfigMaybe ck)
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( inRepo $ Git.Command.run
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[Param "config", Param "--unset", Param key]
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, noop -- avoid unsetting something not set; that would fail
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)
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{- A per-remote config setting in git config. -}
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remoteConfig :: Git.Repo -> UnqualifiedConfigKey -> ConfigKey
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remoteConfig r key = ConfigKey $
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"remote." ++ fromMaybe "" (Git.remoteName r) ++ ".annex-" ++ key
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{- A global annex setting in git config. -}
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annexConfig :: UnqualifiedConfigKey -> ConfigKey
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annexConfig key = ConfigKey $ "annex." ++ key
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{- Calculates cost for a remote. Either the specific default, or as configured
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- by remote.<name>.annex-cost, or if remote.<name>.annex-cost-command
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- is set and prints a number, that is used. -}
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remoteCost :: RemoteGitConfig -> Cost -> Annex Cost
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remoteCost c def = fromMaybe def <$> remoteCost' c
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remoteCost' :: RemoteGitConfig -> Annex (Maybe Cost)
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remoteCost' c = case remoteAnnexCostCommand c of
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Just cmd | not (null cmd) -> liftIO $
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readish <$> readProcess "sh" ["-c", cmd]
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_ -> return $ remoteAnnexCost c
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setRemoteCost :: Git.Repo -> Cost -> Annex ()
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setRemoteCost r c = setConfig (remoteConfig r "cost") (show c)
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setRemoteAvailability :: Git.Repo -> Availability -> Annex ()
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setRemoteAvailability r c = setConfig (remoteConfig r "availability") (show c)
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getNumCopies :: Maybe Int -> Annex Int
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getNumCopies (Just v) = return v
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getNumCopies Nothing = deprecatedNumCopies
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deprecatedNumCopies :: Annex Int
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deprecatedNumCopies = fromMaybe 1 . annexNumCopies <$> Annex.getGitConfig
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isDirect :: Annex Bool
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isDirect = annexDirect <$> Annex.getGitConfig
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crippledFileSystem :: Annex Bool
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crippledFileSystem = annexCrippledFileSystem <$> Annex.getGitConfig
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setCrippledFileSystem :: Bool -> Annex ()
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setCrippledFileSystem b = do
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setConfig (annexConfig "crippledfilesystem") (Git.Config.boolConfig b)
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Annex.changeGitConfig $ \c -> c { annexCrippledFileSystem = b }
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{- Gets the http headers to use. -}
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getHttpHeaders :: Annex [String]
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getHttpHeaders = do
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v <- annexHttpHeadersCommand <$> Annex.getGitConfig
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case v of
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Just cmd -> lines <$> liftIO (readProcess "sh" ["-c", cmd])
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Nothing -> annexHttpHeaders <$> Annex.getGitConfig
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