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avoid exception when curl exits nonzero (due to eg, bad domain name)

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Joey Hess 2014-03-27 13:01:57 -04:00
commit 16387edd00
1 changed files with 2 additions and 1 deletions
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3
Utility/Url.hs
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@ -77,7 +77,8 @@ exists url uo = case parseURIRelaxed url of
Nothing -> dne Nothing -> dne
| otherwise -> if Build.SysConfig.curl | otherwise -> if Build.SysConfig.curl
then do then do
output <- readProcess "curl" $ toCommand curlparams output <- catchDefaultIO "" $
readProcess "curl" $ toCommand curlparams
case lastMaybe (lines output) of case lastMaybe (lines output) of
Just ('2':_:_) -> return (True, extractsize output) Just ('2':_:_) -> return (True, extractsize output)
_ -> dne _ -> dne