remove temp file after upload to special remote

Annex/Proxy.hs

@@ -179,6 +179,7 @@ proxySpecialRemote protoversion r ihdl ohdl owaitv endv = go
 							_ -> giveup "protocol error"
 						else store
 				_ -> giveup "protocol error"
+			liftIO $ removeWhenExistsWith removeFile (fromRawFilePath tmpfile)
 
 	proxyget offset af k = withproxytmpfile k $ \tmpfile -> do
 		-- Don't verify the content from the remote,

doc/todo/git-annex_proxies.mdwn

@@ -28,6 +28,9 @@ Planned schedule of work:
 
 ## work notes
 
+* testremote hangs at PUT to on a cluster accessed over http that
+  has a node that is a directory special remote.
+
 * When part of a file has been sent to a cluster via the http server,
   the transfer interrupted, and another node is added to the cluster,
   and the transfer of the file performed again, there is a failure