git-annex/Options.hs
2011-09-20 23:24:48 -04:00

62 lines
2 KiB
Haskell

{- git-annex dashed options
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Options where
import System.Console.GetOpt
import System.Log.Logger
import Control.Monad.State (liftIO)
import qualified Annex
import Types
import Command
import Limit
{- Each dashed command-line option results in generation of an action
- in the Annex monad that performs the necessary setting.
-}
type Option = OptDescr (Annex ())
commonOptions :: [Option]
commonOptions =
[ Option [] ["force"] (NoArg (setforce True))
"allow actions that may lose annexed data"
, Option ['F'] ["fast"] (NoArg (setfast True))
"avoid slow operations"
, Option ['a'] ["auto"] (NoArg (setauto True))
"automatic mode"
, Option ['q'] ["quiet"] (NoArg (setoutput Annex.QuietOutput))
"avoid verbose output"
, Option ['v'] ["verbose"] (NoArg (setoutput Annex.NormalOutput))
"allow verbose output (default)"
, Option ['j'] ["json"] (NoArg (setoutput Annex.JSONOutput))
"enable JSON output"
, Option ['d'] ["debug"] (NoArg (setdebug))
"show debug messages"
, Option ['b'] ["backend"] (ReqArg setforcebackend paramName)
"specify key-value backend to use"
]
where
setforce v = Annex.changeState $ \s -> s { Annex.force = v }
setfast v = Annex.changeState $ \s -> s { Annex.fast = v }
setauto v = Annex.changeState $ \s -> s { Annex.auto = v }
setoutput v = Annex.changeState $ \s -> s { Annex.output = v }
setforcebackend v = Annex.changeState $ \s -> s { Annex.forcebackend = Just v }
setdebug = liftIO $ updateGlobalLogger rootLoggerName $
setLevel DEBUG
matcherOptions :: [Option]
matcherOptions =
[ longopt "not" "negate next option"
, longopt "and" "both previous and next option must match"
, longopt "or" "either previous or next option must match"
, shortopt "(" "open group of options"
, shortopt ")" "close group of options"
]
where
longopt o = Option [] [o] $ NoArg $ addToken o
shortopt o = Option o [] $ NoArg $ addToken o