stub out posix stuff for Windows

This is enough to let the configure program build.

Build/DesktopFile.hs

@@ -22,18 +22,24 @@ import Assistant.Install.Menu
 import Control.Applicative
 import System.Directory
 import System.Environment
+#if 0
 import System.Posix.User
 import System.Posix.Files
+#endif
 import System.FilePath
 import Data.Maybe
 
 systemwideInstall :: IO Bool
+#if 0
 systemwideInstall = isroot <||> destdirset
   where
 	isroot = do
 		uid <- fromIntegral <$> getRealUserID
 		return $ uid == (0 :: Int)
 	destdirset = isJust <$> catchMaybeIO (getEnv "DESTDIR")
+#else
+systemwideInstall = return False
+#endif
 
 inDestDir :: FilePath -> IO FilePath
 inDestDir f = do

Common.hs

@@ -1,4 +1,4 @@
-{-# LANGUAGE PackageImports #-}
+{-# LANGUAGE PackageImports, CPP #-}
 
 module Common (module X) where
 
@@ -16,8 +16,10 @@ import "MissingH" System.Path as X
 import System.FilePath as X
 import System.Directory as X
 import System.IO as X hiding (FilePath)
+#if 0
 import System.Posix.Files as X
 import System.Posix.IO as X
+#endif
 import System.Exit as X
 
 import Utility.Misc as X

Utility/Directory.hs

@@ -5,10 +5,14 @@
  - Licensed under the GNU GPL version 3 or higher.
  -}
 
+{-# LANGUAGE CPP #-}
+
 module Utility.Directory where
 
 import System.IO.Error
+#if 0
 import System.Posix.Files
+#endif
 import System.Directory
 import Control.Exception (throw)
 import Control.Monad
@@ -57,6 +61,7 @@ dirContentsRecursive' (dir:dirs) = unsafeInterleaveIO $ do
 {- Moves one filename to another.
  - First tries a rename, but falls back to moving across devices if needed. -}
 moveFile :: FilePath -> FilePath -> IO ()
+#if 0
 moveFile src dest = tryIO (rename src dest) >>= onrename
   where
 	onrename (Right _) = noop
@@ -84,6 +89,9 @@ moveFile src dest = tryIO (rename src dest) >>= onrename
 		case r of
 			(Left _) -> return False
 			(Right s) -> return $ isDirectory s
+#else
+moveFile = error "moveFile TODO"
+#endif
 
 {- Removes a file, which may or may not exist.
  -

Utility/Misc.hs

@@ -5,6 +5,8 @@
  - Licensed under the GNU GPL version 3 or higher.
  -}
 
+{-# LANGUAGE CPP #-}
+
 module Utility.Misc where
 
 import System.IO
@@ -13,7 +15,9 @@ import Foreign
 import Data.Char
 import Data.List
 import Control.Applicative
+#if 0
 import System.Posix.Process (getAnyProcessStatus)
+#endif
 
 import Utility.Exception
 
@@ -118,6 +122,7 @@ hGetSomeString h sz = do
 	peekbytes :: Int -> Ptr Word8 -> IO [Word8]
 	peekbytes len buf = mapM (peekElemOff buf) [0..pred len]
 
+#if 0
 {- Reaps any zombie git processes. 
  -
  - Warning: Not thread safe. Anything that was expecting to wait
@@ -128,3 +133,5 @@ reapZombies = do
 	-- throws an exception when there are no child processes
 	catchDefaultIO Nothing (getAnyProcessStatus False True)
 		>>= maybe (return ()) (const reapZombies)
+
+#endif

Utility/Process.hs

@@ -6,7 +6,7 @@
  - Licensed under the GNU GPL version 3 or higher.
  -}
 
-{-# LANGUAGE Rank2Types #-}
+{-# LANGUAGE CPP, Rank2Types #-}
 
 module Utility.Process (
 	module X,
@@ -42,7 +42,9 @@ import Control.Concurrent
 import qualified Control.Exception as E
 import Control.Monad
 import Data.Maybe
+#if 0
 import System.Posix.IO
+#endif
 
 import Utility.Misc
 
@@ -156,6 +158,7 @@ createBackgroundProcess p a = a =<< createProcess p
  - returns a transcript combining its stdout and stderr, and
  - whether it succeeded or failed. -}
 processTranscript :: String -> [String] -> (Maybe String) -> IO (String, Bool)
+#if 0
 processTranscript cmd opts input = do
 	(readf, writef) <- createPipe
 	readh <- fdToHandle readf
@@ -189,7 +192,9 @@ processTranscript cmd opts input = do
 
 	ok <- checkSuccessProcess pid
 	return (transcript, ok)
-
+#else
+processTranscript = error "processTranscript TODO"
+#endif
 
 {- Runs a CreateProcessRunner, on a CreateProcess structure, that
  - is adjusted to pipe only from/to a single StdHandle, and passes

Utility/TempFile.hs

@@ -5,11 +5,15 @@
  - Licensed under the GNU GPL version 3 or higher.
  -}
 
+{-# LANGUAGE CPP #-}
+
 module Utility.TempFile where
 
 import Control.Exception (bracket)
 import System.IO
+#if 0
 import System.Posix.Process
+#endif
 import System.Directory
 
 import Utility.Exception
@@ -20,12 +24,16 @@ import System.FilePath
  - then moving it into place. The temp file is stored in the same
  - directory as the final file to avoid cross-device renames. -}
 viaTmp :: (FilePath -> String -> IO ()) -> FilePath -> String -> IO ()
+#if 0
 viaTmp a file content = do
 	pid <- getProcessID
 	let tmpfile = file ++ ".tmp" ++ show pid
 	createDirectoryIfMissing True (parentDir file)
 	a tmpfile content
 	renameFile tmpfile file
+#else
+viaTmp = error "viaTMP TODO"
+#endif
 
 type Template = String
 
@@ -44,6 +52,7 @@ withTempFile template a = bracket create remove use
 {- Runs an action with a temp directory, then removes the directory and
  - all its contents. -}
 withTempDir :: Template -> (FilePath -> IO a) -> IO a
+#if 0
 withTempDir template = bracket create remove
   where
 	remove = removeDirectoryRecursive
@@ -56,3 +65,6 @@ withTempDir template = bracket create remove
 		let dir = tmpdir </> t ++ "." ++ show n
 		r <- tryIO $ createDirectory dir
 		either (const $ makedir tmpdir t $ n + 1) (const $ return dir) r
+#else
+withTempDir = error "withTempDir TODO"
+#endif

Utility/UserInfo.hs

@@ -14,29 +14,45 @@ module Utility.UserInfo (
 ) where
 
 import Control.Applicative
+#if 0
 import System.Posix.User
 import System.Posix.Env
+#endif
 
 {- Current user's home directory.
  -
  - getpwent will fail on LDAP or NIS, so use HOME if set. -}
 myHomeDir :: IO FilePath
+#if 0
 myHomeDir = myVal ["HOME"] homeDirectory
+#else
+myHomeDir = error "myHomeDir TODO"
+#endif
 
 {- Current user's user name. -}
 myUserName :: IO String
+#if 0
 myUserName = myVal ["USER", "LOGNAME"] userName
+#else
+myUserName = error "myUserName TODO"
+#endif
 
 myUserGecos :: IO String
 #ifdef __ANDROID__
 myUserGecos = return "" -- userGecos crashes on Android
 #else
+#if 0
 myUserGecos = myVal [] userGecos
+#else
+myUserGecos = error "myUserGecos TODO"
+#endif
 #endif
 
+#if 0
 myVal :: [String] -> (UserEntry -> String) -> IO String
 myVal envvars extract = maybe (extract <$> getpwent) return =<< check envvars
   where
 	check [] = return Nothing
 	check (v:vs) = maybe (check vs) (return . Just) =<< getEnv v
 	getpwent = getUserEntryForID =<< getEffectiveUserID
+#endif

git-annex.cabal

@@ -86,6 +86,9 @@ Executable git-annex
   if flag(Production)
     GHC-Options: -O2
 
+  if os(windows)
+    CPP-Options: -D__WINDOWS__
+
   if flag(TestSuite)
     Build-Depends: HUnit
     CPP-Options: -DWITH_TESTSUITE