diff options
| -rw-r--r-- | Utility/Process.hs | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/Utility/Process.hs b/Utility/Process.hs index e12b9700e..ed02f49e5 100644 --- a/Utility/Process.hs +++ b/Utility/Process.hs @@ -18,6 +18,7 @@ module Utility.Process ( readProcessEnv, writeReadProcessEnv, forceSuccessProcess, + forceSuccessProcess', checkSuccessProcess, ignoreFailureProcess, createProcessSuccess, @@ -129,12 +130,12 @@ writeReadProcessEnv cmd args environ writestdin adjusthandle = do -- | Waits for a ProcessHandle, and throws an IOError if the process -- did not exit successfully. forceSuccessProcess :: CreateProcess -> ProcessHandle -> IO () -forceSuccessProcess p pid = do - code <- waitForProcess pid - case code of - ExitSuccess -> return () - ExitFailure n -> ioError $ userError $ - showCmd p ++ " exited " ++ show n +forceSuccessProcess p pid = waitForProcess pid >>= forceSuccessProcess' p + +forceSuccessProcess' :: CreateProcess -> ExitCode -> IO () +forceSuccessProcess' _ ExitSuccess = return () +forceSuccessProcess' p (ExitFailure n) = fail $ + showCmd p ++ " exited " ++ show n -- | Waits for a ProcessHandle and returns True if it exited successfully. -- Note that using this with createProcessChecked will throw away |