[Bug 1800862] Update Released

[Brian Murray]

The verification of the Stable Release Update for update-notifier has
completed successfully and the package has now been released to
-updates.  Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

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https://bugs.launchpad.net/bugs/1800862

Title:
  Doesn't communicate about applied livepatch on start

Status in update-notifier package in Ubuntu:
  Fix Released
Status in update-notifier source package in Bionic:
  Fix Released

Bug description:
  * Impact

  The "livepatch updates have been applied" notifications might be
  missing if the event happened before the user logged in

  * Test case

  The real testcase is to make sure that a notification is displayed
  when a livepatch update is applied.

  That can also be simulated by writting "applied 1" in /var/snap
  /canonical-livepatch/current/status before logging in, the
  notification should be displayed when GNOME is loaded.

  * Regression potential

  The code change are in the livepatch notifications handling, just make
  sure those are displayed as expected

  ------------------------

  The update-notifier livepatch code seems to only react to event, but
  since it's slow to start (it's in the graphical session and delayed by
  60s) it's likely that livepatch refresh is done before update-notifier
  is ready and such the user feedback is never send.

  We should probably change update-notifier to do send the notification
  on start if there is any applied change (it's going to nag at every
  login but that's somewhat a feature/better, since it reassure to the
  user that he has those fixes in place)

  Wdyt?

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