From ba023c3ef8c540c8c0845d93e7aaa759ba5a9e9b Mon Sep 17 00:00:00 2001
From: James Valleroy <jvalleroy@mailbox.org>
Date: Thu, 25 Jun 2020 20:09:49 -0400
Subject: [PATCH] upgrades: Skip enabling backports on testing and unstable

Uses lsb-release which is a dependency of unattended-upgrades.

Closes: #1844.

Signed-off-by: James Valleroy <jvalleroy@mailbox.org>
[sunil: Minor change to the printed message]
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>
---
 actions/upgrades | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/actions/upgrades b/actions/upgrades
index 3db0e7ac1..f96ba270c 100755
--- a/actions/upgrades
+++ b/actions/upgrades
@@ -211,6 +211,12 @@ def _check_and_backports_sources():
               'backports.')
         return
 
+    release = subprocess.check_output(['lsb_release', '--release',
+                                       '--short']).decode().strip()
+    if release in ['testing', 'unstable']:
+        print(f'System release is {release}. Skip enabling backports.')
+        return
+
     protocol = _get_protocol()
     if protocol == 'tor+http':
         print('Package download over Tor is enabled.')