windows: fix fsck --incremental to not crash

Although it is still not incremental.

Command/Fsck.hs

@@ -463,7 +463,9 @@ getFsckTime key = do
  -
  - To guard against time stamp damange (for example, if an annex directory
  - is copied without -a), the fsckstate file contains a time that should
- - be identical to its modification time. -}
+ - be identical to its modification time.
+ - (This is not possible to do on Windows.)
+ -}
 recordStartTime :: Annex ()
 recordStartTime = do
 	f <- fromRepo gitAnnexFsckState
@@ -471,8 +473,12 @@ recordStartTime = do
 	liftIO $ do
 		nukeFile f
 		withFile f WriteMode $ \h -> do
+#ifndef mingw32_HOST_OS
 			t <- modificationTime <$> getFileStatus f
 			hPutStr h $ showTime $ realToFrac t
+#else
+			noop
+#endif
   where
 	showTime :: POSIXTime -> String
 	showTime = show
@@ -486,10 +492,14 @@ getStartTime = do
 	f <- fromRepo gitAnnexFsckState
 	liftIO $ catchDefaultIO Nothing $ do
 		timestamp <- modificationTime <$> getFileStatus f
+#ifndef mingw32_HOST_OS
 		t <- readishTime <$> readFile f
 		return $ if Just (realToFrac timestamp) == t
 			then Just timestamp
 			else Nothing
+#else
+		return $ Just timestamp
+#endif
   where
 	readishTime :: String -> Maybe POSIXTime
 	readishTime s = utcTimeToPOSIXSeconds <$>

doc/todo/windows_support.mdwn

@@ -38,9 +38,6 @@ now! --[[Joey]]
   starting git-annex from the menu failed with `file://C:\Documents does
   not exist`. The local repo was `C:\Documents and Settings\...\...`
 * View debug log is empty in windows -- all log must goes to console.
-* Adding removable drive repo failed setting core.fsyncobjectfiles
-  Error: `could not lock config file /annex/.git/config: No such file or
-  directory` -- seems to be a drive path problem?
 * Local pairing seems to fail, after acking on Linux box, it stalls.
 * rsync.net setup failed. Seems to have generated a hostname including
   the directory somehow.
@@ -51,6 +48,9 @@ now! --[[Joey]]
 * glacier-cli is not easily available (probably)
 * When clicking on the Files at the top of the webapp, a file
   browser *is* opened, but it has a Z-order underneath the web browser.
+* Incremental fsck sets the sticky bit to record when a file is fscked,
+  and this is not done on windows, so fsck doesn't behave incrementally
+  there.
 
 ## stuff needing testing