[Bug 1775292] [NEW] Unattended-upgrades stopped adjusting candidates in 1.1

[Balint Reczey]

Public bug reported:

[Impact]

 * Unattended-upgrades may fail to install an update when the highest
version of a package to be updated exists in an origin u-u is not
allowed to pull packages from.

[Test Case]

 * Run sudo apt update && sudo unattended-upgrade --dry-run --verbose --debug
 * Observe no line with "adjusting candidate version: " with buggy u-u version
 * Install fixed u-u version
 * Run sudo unattended-upgrade --dry-run --verbose --debug
 * Observe no line with "adjusting candidate version: " with buggy u-u version

[Regression Potential]

 * Unattended-upgrade may crash when adjusting candidates preventing
upgrades to be installed

** Affects: unattended-upgrades (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1775292

Title:
  Unattended-upgrades stopped adjusting candidates in 1.1

Status in unattended-upgrades package in Ubuntu:
  New

Bug description:
  [Impact]

   * Unattended-upgrades may fail to install an update when the highest
  version of a package to be updated exists in an origin u-u is not
  allowed to pull packages from.

  [Test Case]

   * Run sudo apt update && sudo unattended-upgrade --dry-run --verbose --debug
   * Observe no line with "adjusting candidate version: " with buggy u-u version
   * Install fixed u-u version
   * Run sudo unattended-upgrade --dry-run --verbose --debug
   * Observe no line with "adjusting candidate version: " with buggy u-u version

  [Regression Potential]

   * Unattended-upgrade may crash when adjusting candidates preventing
  upgrades to be installed

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