git-lfs: report chunked encoding support properly to the client.

- this allows streaming support of ANY binaries.

vcsserver/git_lfs/lib.py

@@ -88,9 +88,10 b' class OidHandler(object):'
                 log.debug('LFS: skipping further action as oid is existing')
                 return response, has_errors
 
+        chunked = ("Transfer-Encoding", "chunked")
         upload_action = OrderedDict(
             href=self.obj_href,
-            header=OrderedDict([("Authorization", self.get_auth())])
+            header=OrderedDict([("Authorization", self.get_auth()), chunked])
         )
         if not has_errors:
             response = OrderedDict(upload=upload_action)

vcsserver/git_lfs/tests/test_lfs_app.py

@@ -142,7 +142,8 b' class TestLFSApplication(object):'
             {u'authenticated': True,
              u'actions': {
                  u'upload': {
-                     u'header': {u'Authorization': u'Basic XXXXX'},
+                     u'header': {u'Authorization': u'Basic XXXXX',
+                                 u'Transfer-Encoding': u'chunked'},
                      u'href': u'http://localhost/repo/info/lfs/objects/123'},
                  u'verify': {
                      u'header': {u'Authorization': u'Basic XXXXX'},