git-annex/Utility/Network.hs

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{- network functions
-
- Copyright 2012 Joey Hess <id@joeyh.name>
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-
- License: BSD-2-clause
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-}
module Utility.Network where
import Utility.Process
import Utility.Exception
import Control.Applicative
import Prelude
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{- Haskell lacks uname(2) bindings, except in the
- Bindings.Uname addon. Rather than depend on that,
- use uname -n when available. -}
getHostname :: IO (Maybe String)
getHostname = catchMaybeIO uname_node
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where
uname_node = takeWhile (/= '\n') <$> readProcess "uname" ["-n"]