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Merge remote-tracking branch 'origin/merge-requests/13' into hadrian

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Julian Ospald 2020-06-20 12:39:21 +02:00
commit de70f4820f
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17
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 ( readSymbolicLink )
import System.Posix.Files.ByteString ( getSymbolicLinkStatus, isSymbolicLink, readSymbolicLink )
import Text.Regex.Posix
import URI.ByteString
@ -417,13 +417,24 @@ ghcToolFiles ver = do
([s|^([a-zA-Z0-9_-]*[a-zA-Z0-9_]-)?ghc$|] :: ByteString)
)
let ghcbinPath = toFilePath (bindir </> ghcbin)
ghcIsHadrian <- liftIO $ isHadrian ghcbinPath
onlyUnversioned <- if ghcIsHadrian
then pure id
else do
(Just symver) <-
(B.stripPrefix (toFilePath ghcbin <> "-") . takeFileName)
<$> (liftIO $ readSymbolicLink $ toFilePath (bindir </> ghcbin))
<$> (liftIO $ readSymbolicLink ghcbinPath)
when (B.null symver)
(throwIO $ userError $ "Fatal: ghc symlink target is broken")
pure $ filter (\x -> not $ symver `B.isSuffixOf` toFilePath x)
pure . filter (\x -> not $ symver `B.isSuffixOf` toFilePath x) $ files
pure $ onlyUnversioned files
where
-- 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 <$>) . getSymbolicLinkStatus
-- | This file, when residing in ~/.ghcup/ghc/<ver>/ signals that