[Bug 1979238] Re: Software Updater phased updates ignores APT::Machine-ID

[halogen2]

The steps to reproduce as written are no longer optimal on fully updated
Ubuntu 22.04: seems `apt list --upgradable` no longer takes phased
updates into account.  Using `apt-get -s dist-upgrade` to obtain lists
of updates from apt should still work.

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https://bugs.launchpad.net/bugs/1979238

Title:
  Software Updater phased updates ignores APT::Machine-ID

Status in update-manager package in Ubuntu:
  Triaged
Status in update-manager source package in Impish:
  New
Status in update-manager source package in Jammy:
  New
Status in update-manager source package in Kinetic:
  Triaged

Bug description:
  Environment:

  $ lsb_release -rd
  Description:	Ubuntu 22.04 LTS
  Release:	22.04
  $ apt-cache policy update-manager
  update-manager:
    Installed: 1:22.04.9
    Candidate: 1:22.04.9
    Version table:
   *** 1:22.04.9 500
          500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
          500 http://us.archive.ubuntu.com/ubuntu jammy/main i386 Packages
          100 /var/lib/dpkg/status

  
  Steps to reproduce:

  1) On an Ubuntu 22.04 system with all non-phased updates installed,
  check output of `apt list --upgradable` and `apt -o='Apt::Get::Always-
  Include-Phased-Updates=true' list --upgradable`.  Make sure these
  outputs differ: there should be some phased updates, and some should
  not yet be phased in for this system.

  2) create a file "/etc/apt/apt.conf.d/01aaa-synced-machineid" with the
  following contents -

  APT {
    Machine-ID "0aac969489d35d412431192762b0beff";
  }

  (That UUID was chosen by running `dbus-uuidgen` until it produced a
  UUID that, when placed there, changed the output of `apt list
  --upgradable`.)

  3) Verify with `apt list --upgradable` that the list of available
  phased upates is now different.

  4) Run Software Updater and look at the list of available updates it
  offers.

  
  Expected results:

  At (4), Software Updater should offer the same set of updates that
  `apt list --upgradable` shows at (3).

  
  Actual results:

  At (4), Software Updater offers the set of updates that were offered
  at (1).  It seems to completely ignore APT::Machine-ID, despite that
  being the official recommended way to synchronize phased updates
  across multiple machines - https://discourse.ubuntu.com/t/phased-
  updates-in-apt-in-21-04/20345

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: update-manager 1:22.04.9
  ProcVersionSignature: Ubuntu 5.15.0-39.42-generic 5.15.35
  Uname: Linux 5.15.0-39-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jun 20 14:43:08 2022
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'launch-count' b'3'
   b'com.ubuntu.update-manager' b'launch-time' b'int64 1655750563'
   b'com.ubuntu.update-manager' b'show-details' b'true'
   b'com.ubuntu.update-manager' b'window-width' b'593'
  InstallationDate: Installed on 2022-06-20 (0 days ago)
  InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
  InterpreterPath: /usr/bin/python3.10
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  Python3Details: /usr/bin/python3.10, Python 3.10.4, python3-minimal, 3.10.4-0ubuntu2
  PythonDetails: N/A
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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