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

[Balint Reczey]

@Ethan Yes, the "All upgrades installed" message is still misleading.

Note however that there are two modes of u-u you can operate in on
shutdown and they are picked by setting Unattended-
Upgrade::InstallOnShutdown.

When it is set to True u-u runs to completion (unless it times out after
15 minutes).

In the other case (set to false) shutdown gracefully terminates u-u with
the current fixes possibly (and probably) not installing every update.
In that case the message is clearly misleading.

I'm updating the message, but I believe that this is how u-u is expected
to operate.

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https://bugs.launchpad.net/bugs/1690980

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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