Make this buildable again

lib/GHCup/File.hs

@@ -17,7 +17,7 @@ import           Control.Monad
 import           Control.Exception.Safe
 import           Data.Functor
 import           System.Posix.Files.ByteString
-import           System.Posix.Directory.Foreign ( oExcl )
+import           System.Posix.Foreign           ( oExcl )
 import           System.IO
 import "unix"    System.Posix.IO.ByteString
                                          hiding ( openFd )
@@ -149,8 +149,5 @@ captureOutStreams action =
 
 -- | Create a new regular file in write-only mode. The file must not exist.
 createRegularFileFd :: FileMode -> Path b -> IO Fd
-createRegularFileFd fm dest = FD.openFd
-  (toFilePath dest)
-  WriteOnly
-  [oExcl]
-  (Just fm)
+createRegularFileFd fm dest =
+  FD.openFd (toFilePath dest) WriteOnly [oExcl] (Just fm)

lib/GHCup/Prelude.hs

@@ -74,6 +74,3 @@ handleIO' :: IOErrorType -> (IOException -> IO ()) -> IO () -> IO ()
 handleIO' err handler =
   handleIO (\e -> if err == ioeGetErrorType e then handler e else ioError e)
 
-hideError :: IOErrorType -> IO () -> IO ()
-hideError err = handleIO (\e -> if err == ioeGetErrorType e then pure () else ioError e)
-