54 lines
1.3 KiB
Haskell
54 lines
1.3 KiB
Haskell
module Propellor.Engine where
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import System.Console.ANSI
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import System.Exit
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import System.IO
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import Data.Monoid
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import Propellor.Types
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import Utility.Exception
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ensureProperty :: Property -> IO Result
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ensureProperty = catchDefaultIO FailedChange . propertySatisfy
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ensureProperties :: [Property] -> IO ()
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ensureProperties ps = do
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r <- ensureProperties' [Property "overall" $ ensureProperties' ps]
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setTitle "propellor done"
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hFlush stdout
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case r of
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FailedChange -> exitWith (ExitFailure 1)
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_ -> exitWith ExitSuccess
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ensureProperties' :: [Property] -> IO Result
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ensureProperties' ps = ensure ps NoChange
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where
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ensure [] rs = return rs
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ensure (l:ls) rs = do
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setTitle $ propertyDesc l
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hFlush stdout
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r <- ensureProperty l
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clearFromCursorToLineBeginning
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setCursorColumn 0
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putStr $ propertyDesc l ++ "... "
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case r of
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FailedChange -> do
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setSGR [SetColor Foreground Vivid Red]
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putStrLn "failed"
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NoChange -> do
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setSGR [SetColor Foreground Dull Green]
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putStrLn "unchanged"
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MadeChange -> do
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setSGR [SetColor Foreground Vivid Green]
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putStrLn "done"
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setSGR []
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hFlush stdout
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ensure ls (r <> rs)
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warningMessage :: String -> IO ()
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warningMessage s = do
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setSGR [SetColor Foreground Vivid Red]
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putStrLn $ "** warning: " ++ s
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setSGR []
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hFlush stdout
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