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|
{- common command-line options
-
- Copyright 2010-2011 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module CmdLine.Option (
commonGlobalOptions,
flagOption,
fieldOption,
optionName,
optionParam,
ArgDescr(..),
OptDescr(..),
) where
import Options.Applicative
import System.Console.GetOpt
import Common.Annex
import CmdLine.Usage
import qualified Annex
import Types.Messages
import Types.DeferredParse
-- Global options accepted by both git-annex and git-annex-shell sub-commands.
commonGlobalOptions :: Parser GlobalSetter
commonGlobalOptions = globalSetters
[ globalFlag (setforce True)
( long "force"
<> help "allow actions that may lose annexed data"
)
, globalFlag (setfast True)
( long "fast" <> short 'F'
<> help "avoid slow operations"
)
, globalFlag (Annex.setOutput QuietOutput)
( long "quiet" <> short 'q'
<> help "avoid verbose output"
)
, globalFlag (Annex.setOutput NormalOutput)
( long "verbose" <> short 'v'
<> help "allow verbose output (default)"
)
, globalFlag setdebug
( long "debug" <> short 'd'
<> help "show debug messages"
)
, globalFlag unsetdebug
( long "no-debug"
<> help "don't show debug messages"
)
, globalSetter setforcebackend $ strOption
( long "backend" <> short 'b' <> metavar paramName
<> help "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 }
setforcebackend v = Annex.changeState $ \s -> s { Annex.forcebackend = Just v }
setdebug = Annex.changeGitConfig $ \c -> c { annexDebug = True }
unsetdebug = Annex.changeGitConfig $ \c -> c { annexDebug = False }
{- An option that sets a flag. -}
flagOption :: String -> String -> String -> Option
flagOption shortv opt description =
Option shortv [opt] (NoArg (Annex.setFlag opt)) description
{- An option that sets a field. -}
fieldOption :: String -> String -> String -> String -> Option
fieldOption shortv opt paramdesc description =
Option shortv [opt] (ReqArg (Annex.setField opt) paramdesc) description
{- The flag or field name used for an option. -}
optionName :: Option -> String
optionName (Option _ o _ _) = Prelude.head o
optionParam :: Option -> String
optionParam o = "--" ++ optionName o
|
