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module Propellor.Engine where
import System.Exit
import System.IO
import Data.Monoid
import System.Console.ANSI
import Propellor.Types
import Propellor.Message
import Utility.Exception
ensureProperty :: Property -> IO Result
ensureProperty = catchDefaultIO FailedChange . propertySatisfy
ensureProperties :: [Property] -> IO ()
ensureProperties ps = do
r <- ensureProperties' [Property "overall" $ ensureProperties' ps]
setTitle "propellor: done"
hFlush stdout
case r of
FailedChange -> exitWith (ExitFailure 1)
_ -> exitWith ExitSuccess
ensureProperties' :: [Property] -> IO Result
ensureProperties' ps = ensure ps NoChange
where
ensure [] rs = return rs
ensure (l:ls) rs = do
r <- actionMessage (propertyDesc l) (ensureProperty l)
ensure ls (r <> rs)
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