[PATCH pve-guest-common 1/3] fix #5713: vzdump: add notification-mode none

[Erik Fastermann <e.fastermann@proxmox.com>]

Optionally disable sending notification mails with the new option
none for notification-mode in vzdump.

This can be useful if you want to disable sending notifications for a
specific backup job and not change the global notification settings or
use the deprecated legacy sendmail with an empty address.

Signed-off-by: Erik Fastermann <e.fastermann@proxmox.com>
---
 src/PVE/VZDump/Common.pm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/PVE/VZDump/Common.pm b/src/PVE/VZDump/Common.pm
index 67a4cf4..1c636b4 100644
--- a/src/PVE/VZDump/Common.pm
+++ b/src/PVE/VZDump/Common.pm
@@ -261,9 +261,10 @@ my $confdesc = {
             . " specified address(es) via the 'sendmail' command. If set to 'notification-system',"
             . " a notification will be sent via PVE's notification system, and the mailto and"
             . " mailnotification will be ignored. If set to 'auto' (default setting), an email will"
-            . " be sent if mailto is set, and the notification system will be used if not.",
+            . " be sent if mailto is set, and the notification system will be used if not."
+            . " If set to 'none', no notification will be send.",
         optional => 1,
-        enum => ['auto', 'legacy-sendmail', 'notification-system'],
+        enum => ['auto', 'legacy-sendmail', 'notification-system', 'none'],
         default => 'auto',
     },
     tmpdir => {
-- 
2.47.3