more RawFilePath conversion

nukeFile replaced with removeWhenExistsWith removeLink, which allows
using RawFilePath. Utility.Directory cannot use RawFilePath since setup
does not depend on posix.

This commit was sponsored by Graham Spencer on Patreon.

Utility/LockFile/Windows.hs

@@ -16,15 +16,18 @@ module Utility.LockFile.Windows (
 import System.Win32.Types
 import System.Win32.File
 import Control.Concurrent
+import System.FilePath.ByteString (RawFilePath)
 
-type LockFile = FilePath
+import Utility.FileSystemEncoding
+
+type LockFile = RawFilePath
 
 type LockHandle = HANDLE
 
 {- Tries to lock a file with a shared lock, which allows other processes to
  - also lock it shared. Fails if the file is exclusively locked. -}
 lockShared :: LockFile -> IO (Maybe LockHandle)
-lockShared = openLock fILE_SHARE_READ
+lockShared = openLock fILE_SHARE_READ . fromRawFilePath
 
 {- Tries to take an exclusive lock on a file. Fails if another process has
  - a shared or exclusive lock.
@@ -33,7 +36,7 @@ lockShared = openLock fILE_SHARE_READ
  - read or write by any other process. So for advisory locking of a file's
  - content, a separate LockFile should be used. -}
 lockExclusive :: LockFile -> IO (Maybe LockHandle)
-lockExclusive = openLock fILE_SHARE_NONE
+lockExclusive = openLock fILE_SHARE_NONE . fromRawFilePath
 
 {- Windows considers just opening a file enough to lock it. This will
  - create the LockFile if it does not already exist.
@@ -51,7 +54,7 @@ lockExclusive = openLock fILE_SHARE_NONE
  -}
 openLock :: ShareMode -> LockFile -> IO (Maybe LockHandle)
 openLock sharemode f = do
-	h <- withTString f $ \c_f ->
+	h <- withTString (fromRawFilePath f) $ \c_f ->
 		c_CreateFile c_f gENERIC_READ sharemode security_attributes
 			oPEN_ALWAYS fILE_ATTRIBUTE_NORMAL (maybePtr Nothing)
 	return $ if h == iNVALID_HANDLE_VALUE