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|
{- Git configuration
-
- Copyright 2011-2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Config where
import Common.Annex
import qualified Git
import qualified Git.Config
import qualified Git.Command
import qualified Annex
type UnqualifiedConfigKey = String
data ConfigKey = ConfigKey String
{- Looks up a setting in git config. -}
getConfig :: ConfigKey -> String -> Annex String
getConfig (ConfigKey key) def = fromRepo $ Git.Config.get key def
{- Changes a git config setting in both internal state and .git/config -}
setConfig :: ConfigKey -> String -> Annex ()
setConfig (ConfigKey key) value = do
inRepo $ Git.Command.run "config" [Param key, Param value]
Annex.changeGitRepo =<< inRepo Git.Config.reRead
{- Unsets a git config setting. (Leaves it in state currently.) -}
unsetConfig :: ConfigKey -> Annex ()
unsetConfig (ConfigKey key) = inRepo $ Git.Command.run "config"
[Param "--unset", Param key]
{- A per-remote config setting in git config. -}
remoteConfig :: Git.Repo -> UnqualifiedConfigKey -> ConfigKey
remoteConfig r key = ConfigKey $
"remote." ++ fromMaybe "" (Git.remoteName r) ++ ".annex-" ++ key
{- A global annex setting in git config. -}
annexConfig :: UnqualifiedConfigKey -> ConfigKey
annexConfig key = ConfigKey $ "annex." ++ key
{- Calculates cost for a remote. Either the specific default, or as configured
- by remote.<name>.annex-cost, or if remote.<name>.annex-cost-command
- is set and prints a number, that is used. -}
remoteCost :: RemoteGitConfig -> Int -> Annex Int
remoteCost c def = case remoteAnnexCostCommand c of
Just cmd | not (null cmd) -> liftIO $
(fromMaybe def . readish) <$>
readProcess "sh" ["-c", cmd]
_ -> return $ fromMaybe def $ remoteAnnexCost c
cheapRemoteCost :: Int
cheapRemoteCost = 100
semiCheapRemoteCost :: Int
semiCheapRemoteCost = 110
expensiveRemoteCost :: Int
expensiveRemoteCost = 200
veryExpensiveRemoteCost :: Int
veryExpensiveRemoteCost = 1000
{- Adjusts a remote's cost to reflect it being encrypted. -}
encryptedRemoteCostAdj :: Int
encryptedRemoteCostAdj = 50
{- Make sure the remote cost numbers work out. -}
prop_cost_sane :: Bool
prop_cost_sane = False `notElem`
[ expensiveRemoteCost > 0
, cheapRemoteCost < semiCheapRemoteCost
, semiCheapRemoteCost < expensiveRemoteCost
, cheapRemoteCost + encryptedRemoteCostAdj > semiCheapRemoteCost
, cheapRemoteCost + encryptedRemoteCostAdj < expensiveRemoteCost
, semiCheapRemoteCost + encryptedRemoteCostAdj < expensiveRemoteCost
]
getNumCopies :: Maybe Int -> Annex Int
getNumCopies (Just v) = return v
getNumCopies Nothing = annexNumCopies <$> Annex.getGitConfig
isDirect :: Annex Bool
isDirect = annexDirect <$> Annex.getGitConfig
setDirect :: Bool -> Annex ()
setDirect b = do
setConfig (annexConfig "direct") (Git.Config.boolConfig b)
Annex.changeGitConfig $ \c -> c { annexDirect = b }
crippledFileSystem :: Annex Bool
crippledFileSystem = annexCrippledFileSystem <$> Annex.getGitConfig
setCrippledFileSystem :: Bool -> Annex ()
setCrippledFileSystem b = do
setConfig (annexConfig "crippledfilesystem") (Git.Config.boolConfig b)
Annex.changeGitConfig $ \c -> c { annexCrippledFileSystem = b }
{- Gets the http headers to use. -}
getHttpHeaders :: Annex [String]
getHttpHeaders = do
v <- annexHttpHeadersCommand <$> Annex.getGitConfig
case v of
Just cmd -> lines <$> liftIO (readProcess "sh" ["-c", cmd])
Nothing -> annexHttpHeaders <$> Annex.getGitConfig
|
