[Bug 1702724] Re: Doesn't auto open update-manager as it should

[Jean-Baptiste Lallement]

SRU verification for Xenial:
I have reproduced the problem with update-notifier 3.168.5 in xenial-updates and have verified that the version of update-notifier 3.168.6 in -proposed fixes the issue.

I've set /apps/update-manager/launch-time to a timestamps in the past (< now - auto-launch-interval) and tried 2 cases:
- Fresh boot
- Refresh of the packages cache

In both cases update-manager showed up.

I also verified that the notification is not triggered when if should
not (auto-launch-interval is not reached)

Marking as verification-done


** Tags removed: verification-needed verification-needed-xenial
** Tags added: verification-done verification-done-xenial

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https://bugs.launchpad.net/bugs/1702724

Title:
  Doesn't auto open update-manager as it should

Status in update-notifier package in Ubuntu:
  Fix Released
Status in update-notifier source package in Xenial:
  Fix Committed

Bug description:
  * Impact

  Since Xenial it seems that update-manager is not presented to users as
  often as it should.

  * Test case

  Use xenial for a week, update-manager should auto open to show you
  pending updates

  * Regression potential

  The UI might be displayed more often than it used to be

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

  One possible reason is that update-notifier is trying to be too smart
  about when it should open the updater and reset the counter when the
  dpkg/apt logs timestamps change. The logic behind that was to try to
  not bother command line users and don't present them the graphical UI
  if they are doing their update using apt directly. That's not very
  obvious how it's working though and not playing well with unattended-
  upgrades (security updates get installed in background, the system
  thinks it's users doing their updates manually and is never prompting
  as a result).

  The suggested fix is to just drop that smart behaviour and prompt
  users after the configured delay. Command line users who don't like
  that can just change the setting to "never"

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