From 82918ee704f41862741066a060a093847b4b1a8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Fri, 21 Jul 2017 03:10:26 +0200
Subject: [PATCH] api/admin: gracefuly report cancelled backup operation

QubesOS/qubes-issues#2931
---
 qubes/api/admin.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/qubes/api/admin.py b/qubes/api/admin.py
index c090c730..bc0e4278 100644
--- a/qubes/api/admin.py
+++ b/qubes/api/admin.py
@@ -1209,6 +1209,8 @@ class QubesAdminAPI(qubes.api.AbstractQubesAPI):
         self.app.api_admin_running_backups[self.arg] = backup_task
         try:
             yield from backup_task
+        except asyncio.CancelledError:
+            raise qubes.exc.QubesException('Backup cancelled')
         finally:
             del self.app.api_admin_running_backups[self.arg]