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{- Copyright 2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module UI.NonInteractive (noninteractiveUI) where
import Types.UI
import Output
import Control.Exception
noninteractiveUI :: UI
noninteractiveUI = UI
{ isAvailable = return True
, showError = myShowError
, showInfo = myShowInfo
, promptQuestion = myPrompt
, promptName = \t d _ -> myPrompt t d
, promptPassword = \b t d -> myPrompt t d b
, promptKeyId = myPrompt
, withProgress = myWithProgress
}
myShowError :: Desc -> IO ()
myShowError desc = warn $ "Error: " ++ desc
myShowInfo :: Title -> Desc -> IO ()
myShowInfo _title desc = say desc
myPrompt :: Title -> Desc -> x -> IO a
myPrompt _title desc _ = do
say desc
error "Not running at a terminal and zenity is not installed; cannot interact with user."
myWithProgress :: Title -> Desc -> ((Percent -> IO ()) -> IO a) -> IO a
myWithProgress _title desc a = bracket_ setup cleanup (a sendpercent)
where
setup = say desc
sendpercent p = progress (show p ++ "% ")
cleanup = say "done"
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