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|
{-# LANGUAGE RecordWildCards #-}
module Test.Haddock.Process where
import Control.Monad
import System.Exit
import System.IO
import System.Process
type Environment = [(String, String)]
data ProcessConfig = ProcessConfig
{ pcArgs :: [String]
, pcWorkDir :: Maybe FilePath
, pcEnv :: Maybe Environment
, pcStdIn :: Maybe Handle
, pcStdOut :: Maybe Handle
, pcStdErr :: Maybe Handle
}
deriving (Show)
processConfig :: ProcessConfig
processConfig = ProcessConfig
{ pcArgs = []
, pcWorkDir = Nothing
, pcEnv = Nothing
, pcStdIn = Nothing
, pcStdOut = Nothing
, pcStdErr = Nothing
}
runProcess' :: FilePath -> ProcessConfig -> IO ProcessHandle
runProcess' path (ProcessConfig { .. }) = runProcess
path pcArgs pcWorkDir pcEnv pcStdIn pcStdOut pcStdErr
-- | Wait for a process to finish running. If it ends up failing, print out the
-- error message.
waitForSuccess :: String -> Handle -> ProcessHandle -> IO Bool
waitForSuccess msg out handle = do
succeeded <- fmap (== ExitSuccess) $ waitForProcess handle
unless succeeded $ hPutStrLn out msg
pure succeeded
|
