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fix stderr handling

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This commit is contained in:
Joey Hess 2015-04-03 19:48:56 -04:00
parent 20fb91a7ad
commit 45e97191c3
2 changed files with 3 additions and 2 deletions
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4
Messages/Progress.hs
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@ -61,8 +61,8 @@ mkProgressHandler meter = ProgressHandler
quietmode = withOutputType $ \t -> return $ case t of
ProgressOutput -> True
_ -> False
stderrhandler emitter h = do
void $ emitter =<< hGetLine stderr
stderrhandler emitter h = unlessM (hIsEOF h) $ do
void $ emitter =<< hGetLine h
stderrhandler emitter h
{- Generates an IO action that can be used to emit stderr.

1
Utility/Process.hs
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@ -321,6 +321,7 @@ stderrHandle _ = error "expected stderrHandle"
ioHandles :: (Maybe Handle, Maybe Handle, Maybe Handle, ProcessHandle) -> (Handle, Handle)
ioHandles (Just hin, Just hout, _, _) = (hin, hout)
ioHandles _ = error "expected ioHandles"
oeHandles :: (Maybe Handle, Maybe Handle, Maybe Handle, ProcessHandle) -> (Handle, Handle)
oeHandles (_, Just hout, Just herr, _) = (hout, herr)
oeHandles _ = error "expected oeHandles"