Parse rejected deletes.

Author: uri-canva

git/remote.py

@@ -156,7 +156,10 @@ def _from_line(cls, remote, line):
         if flags & cls.DELETED:
             from_ref = None
         else:
-            from_ref = Reference.from_path(remote.repo, from_ref_string)
+            if from_ref_string == "(delete)":
+                from_ref = None
+            else:
+                from_ref = Reference.from_path(remote.repo, from_ref_string)
 
         # commit handling, could be message or commit info
         old_commit = None

git/test/test_remote.py

@@ -385,6 +385,14 @@ def _assert_push_and_pull(self, remote, rw_repo, remote_repo):
         progress.make_assertion()
         self._do_test_push_result(res, remote)
 
+        # rejected stale delete
+        force_with_lease="%s:0000000000000000000000000000000000000000" % new_head.path
+        res = remote.push(":%s" % new_head.path, force_with_lease=force_with_lease)
+        self.assertTrue(res[0].flags & PushInfo.ERROR)
+        self.assertTrue(res[0].flags & PushInfo.REJECTED)
+        self.assertIsNone(res[0].local_ref)
+        self._do_test_push_result(res, remote)
+
         # delete new branch on the remote end and locally
         res = remote.push(":%s" % new_head.path)
         self._do_test_push_result(res, remote)