Windows: Ssh connection caching is now supported.

Turns out the socket stuff just works on windows.

Annex/Ssh.hs

@@ -63,17 +63,15 @@ sshInfo (host, port) = go =<< sshCacheDir
 		, Params "-o ControlMaster=auto -o ControlPersist=yes"
 		]
 
-{- ssh connection caching creates sockets, so will not work on a
- - crippled filesystem. A GIT_ANNEX_TMP_DIR can be provided to use
+{- ssh connection caching creates sockets, so will not work on all file
+ - systems. A GIT_ANNEX_TMP_DIR can be provided to use
  - a different filesystem. -}
 sshCacheDir :: Annex (Maybe FilePath)
 sshCacheDir
-	| SysConfig.sshconnectioncaching = ifM crippledFileSystem
-		( maybe (return Nothing) usetmpdir =<< gettmpdir
-		, ifM (fromMaybe True . annexSshCaching <$> Annex.getGitConfig)
+	| SysConfig.sshconnectioncaching = 
+		ifM (fromMaybe True . annexSshCaching <$> Annex.getGitConfig)
 			( Just <$> fromRepo gitAnnexSshDir
-			, return Nothing
-			)
+			, maybe (return Nothing) usetmpdir =<< gettmpdir
 			)
 	| otherwise = return Nothing
   where

debian/changelog

@@ -31,6 +31,7 @@ git-annex (4.20130602) UNRELEASED; urgency=low
   * annex.debug can now be set to enable debug logging by default.
     The webapp's debugging check box does this.
   * fsck: Avoid getting confused by Windows path separators
+  * Windows: Ssh connection caching is now supported.
 
  -- Joey Hess <joeyh@debian.org>  Mon, 10 Jun 2013 12:52:44 -0400