88 lines
2.6 KiB
Haskell
88 lines
2.6 KiB
Haskell
{- Git configuration
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-
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- Copyright 2011 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 Data.Maybe
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import Control.Monad.State (liftIO)
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import qualified Git
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import qualified Annex
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import Types
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import Utility
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type ConfigKey = String
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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 k value = do
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g <- Annex.gitRepo
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liftIO $ Git.run g "config" [Param k, Param value]
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-- re-read git config and update the repo's state
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g' <- liftIO $ Git.configRead g
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Annex.changeState $ \s -> s { Annex.repo = g' }
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{- Looks up a per-remote config setting in git config.
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- Failing that, tries looking for a global config option. -}
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getConfig :: Git.Repo -> ConfigKey -> String -> Annex String
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getConfig r key def = do
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g <- Annex.gitRepo
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let def' = Git.configGet g ("annex." ++ key) def
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return $ Git.configGet g (remoteConfig r key) def'
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remoteConfig :: Git.Repo -> ConfigKey -> String
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remoteConfig r key = "remote." ++ fromMaybe "" (Git.repoRemoteName r) ++ ".annex-" ++ key
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{- Calculates cost for a remote.
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-
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- The default cost is 100 for local repositories, and 200 for remote
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- repositories; it can also be configured by remote.<name>.annex-cost
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-}
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remoteCost :: Git.Repo -> Int -> Annex Int
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remoteCost r def = do
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c <- getConfig r "cost" ""
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if not $ null c
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then return $ read c
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else return def
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cheapRemoteCost :: Int
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cheapRemoteCost = 100
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semiCheapRemoteCost :: Int
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semiCheapRemoteCost = 110
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expensiveRemoteCost :: Int
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expensiveRemoteCost = 200
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{- Adjust's a remote's cost to reflect it being encrypted. -}
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encryptedRemoteCostAdj :: Int
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encryptedRemoteCostAdj = 50
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{- Make sure the remote cost numbers work out. -}
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prop_cost_sane :: Bool
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prop_cost_sane = False `notElem`
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[ expensiveRemoteCost > 0
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, cheapRemoteCost < semiCheapRemoteCost
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, semiCheapRemoteCost < expensiveRemoteCost
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, cheapRemoteCost + encryptedRemoteCostAdj > semiCheapRemoteCost
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, cheapRemoteCost + encryptedRemoteCostAdj < expensiveRemoteCost
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, semiCheapRemoteCost + encryptedRemoteCostAdj < expensiveRemoteCost
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]
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{- Checks if a repo should be ignored, based either on annex-ignore
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- setting, or on command-line options. Allows command-line to override
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- annex-ignore. -}
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remoteNotIgnored :: Git.Repo -> Annex Bool
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remoteNotIgnored r = do
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ignored <- getConfig r "ignore" "false"
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to <- match Annex.toremote
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from <- match Annex.fromremote
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if to || from
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then return True
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else return $ not $ Git.configTrue ignored
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where
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match a = do
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n <- Annex.getState a
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return $ n == Git.repoRemoteName r
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