[Bug 2092937] [NEW] ubuntu-release-upgrader does not highlight deactivation of foreign apt sources

[Heinrich Schuchardt]

Public bug reported:

On some systems foreign apt-repositories are used, e.g. for Google
Chrome.

do-release-upgrade disables these foreign source entries, provides a
message that this has happened and requires to press the Enter key
afterwards.

Stopping to update a browser creates a security issue. Messages which
just require pressing the enter key may easily be disregarded and after
a lengthy update process and the necessary reboot are easily forgotten.

We should prominently highlight the manual rework that is needed:

At the very end of the update process we could provide a message in a
highlight color that points to necessary manual rework listing all
changed source files.

We should further reconsider why we automatically deactivate source
entries which are not related to the upgraded release. E.g. the Google
Chrome source list entry contains no reference to any of our releases:

Enabled: yes
Types: deb
URIs: https://dl.google.com/linux/chrome/deb/
Suites: stable
Components: main

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: ubuntu-release-upgrader (Ubuntu Noble)
     Importance: Undecided
         Status: New

** Affects: ubuntu-release-upgrader (Ubuntu Oracular)
     Importance: Undecided
         Status: New

** Affects: ubuntu-release-upgrader (Ubuntu Plucky)
     Importance: Undecided
         Status: New

** Also affects: ubuntu-release-upgrader (Ubuntu Plucky)
   Importance: Undecided
       Status: New

** Also affects: ubuntu-release-upgrader (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Also affects: ubuntu-release-upgrader (Ubuntu Oracular)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2092937

Title:
  ubuntu-release-upgrader does not highlight deactivation of foreign apt
  sources

Status in ubuntu-release-upgrader package in Ubuntu:
  New
Status in ubuntu-release-upgrader source package in Noble:
  New
Status in ubuntu-release-upgrader source package in Oracular:
  New
Status in ubuntu-release-upgrader source package in Plucky:
  New

Bug description:
  On some systems foreign apt-repositories are used, e.g. for Google
  Chrome.

  do-release-upgrade disables these foreign source entries, provides a
  message that this has happened and requires to press the Enter key
  afterwards.

  Stopping to update a browser creates a security issue. Messages which
  just require pressing the enter key may easily be disregarded and
  after a lengthy update process and the necessary reboot are easily
  forgotten.

  We should prominently highlight the manual rework that is needed:

  At the very end of the update process we could provide a message in a
  highlight color that points to necessary manual rework listing all
  changed source files.

  We should further reconsider why we automatically deactivate source
  entries which are not related to the upgraded release. E.g. the Google
  Chrome source list entry contains no reference to any of our releases:

  Enabled: yes
  Types: deb
  URIs: https://dl.google.com/linux/chrome/deb/
  Suites: stable
  Components: main

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