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-rw-r--r--Utility/Process.hs12
1 files changed, 5 insertions, 7 deletions
diff --git a/Utility/Process.hs b/Utility/Process.hs
index 205994811..ae9ce49c8 100644
--- a/Utility/Process.hs
+++ b/Utility/Process.hs
@@ -172,22 +172,21 @@ createBackgroundProcess p a = a =<< createProcess p
-- returns a transcript combining its stdout and stderr, and
-- whether it succeeded or failed.
processTranscript :: String -> [String] -> (Maybe String) -> IO (String, Bool)
-processTranscript cmd opts input = processTranscript' cmd opts Nothing input
+processTranscript = processTranscript' id
-processTranscript' :: String -> [String] -> Maybe [(String, String)] -> (Maybe String) -> IO (String, Bool)
-processTranscript' cmd opts environ input = do
+processTranscript' :: (CreateProcess -> CreateProcess) -> String -> [String] -> Maybe String -> IO (String, Bool)
+processTranscript' modproc cmd opts input = do
#ifndef mingw32_HOST_OS
{- This implementation interleves stdout and stderr in exactly the order
- the process writes them. -}
(readf, writef) <- System.Posix.IO.createPipe
readh <- System.Posix.IO.fdToHandle readf
writeh <- System.Posix.IO.fdToHandle writef
- p@(_, _, _, pid) <- createProcess $
+ p@(_, _, _, pid) <- createProcess $ modproc $
(proc cmd opts)
{ std_in = if isJust input then CreatePipe else Inherit
, std_out = UseHandle writeh
, std_err = UseHandle writeh
- , env = environ
}
hClose writeh
@@ -199,12 +198,11 @@ processTranscript' cmd opts environ input = do
return (transcript, ok)
#else
{- This implementation for Windows puts stderr after stdout. -}
- p@(_, _, _, pid) <- createProcess $
+ p@(_, _, _, pid) <- createProcess $ modproc $
(proc cmd opts)
{ std_in = if isJust input then CreatePipe else Inherit
, std_out = CreatePipe
, std_err = CreatePipe
- , env = environ
}
getout <- mkreader (stdoutHandle p)