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Fix behaviour of non-Hadrian builds 

getFileStatus will resolve symbolic links. getSymbolicLinkStatus doesn't.
This commit is contained in:
Brian McKenna 2020-06-20 03:38:34 +00:00
parent d276bfb3ec
commit febe6fcb35
1 changed files with 2 additions and 2 deletions
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4
lib/GHCup/Utils.hs
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@ -54,7 +54,7 @@ import System.IO.Error
import System.Posix.FilePath ( getSearchPath
, takeFileName
)
import System.Posix.Files.ByteString ( getFileStatus, isSymbolicLink, readSymbolicLink )
import System.Posix.Files.ByteString ( getSymbolicLinkStatus, isSymbolicLink, readSymbolicLink )
import Text.Regex.Posix
import URI.ByteString
@ -434,7 +434,7 @@ ghcToolFiles ver = do
-- GHC is moving some builds to Hadrian for bindists, which doesn't create versioned binaries
-- https://gitlab.haskell.org/haskell/ghcup-hs/issues/31
isHadrian :: ByteString -> IO Bool
isHadrian = (not . isSymbolicLink <$>) . getFileStatus
isHadrian = (not . isSymbolicLink <$>) . getSymbolicLinkStatus
-- | This file, when residing in ~/.ghcup/ghc/<ver>/ signals that