[Bug 1690980] Re: unattended-upgrades does not block shutdown of system, as it is designed to

[Balint Reczey]

Re inhibitor: One can run u-u --download-only from cron first without the inhibitor then the full u-u with the inhibitor. While this method does not allow per-transaction granularity, it is a fairly good solution without added complexity.
I someone comes up with a proper patch it may be integrated but I think this is out of the scope of this bug. The committed solution already provides the per-transaction stopping granularity when u-u is started by apt's service.

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Title:
  unattended-upgrades does not block shutdown of system, as it is
  designed to

Status in OEM Priority Project:
  Triaged
Status in OEM Priority Project xenial series:
  New
Status in apt package in Ubuntu:
  Fix Committed
Status in unattended-upgrades package in Ubuntu:
  Fix Committed

Bug description:
  Title: No pop-up window to warn users that system should not reboot or
  shutdown while installing security updates

  Summary:
  No pop-up window to warn users that system should not reboot or shutdown while installing security updates

  Steps:
  1. trigger unattended-upgrades
  2. reboot or shutdown system while installing packages

  Expected results: There is a pop-up window to warn users that system
  should not reboot or shutdown

  Actual results: There is no pop-up window to warn users

  Additional information:
  $ apt-cache policy unattended-upgrades
  unattended-upgrades:
    Installed: 0.90
    Candidate: 0.90ubuntu0.5
  $ lsb_release -rd
  Description:    Ubuntu 16.04 LTS

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