Public bug reported:
Impact
------
do-release-upgrade will allow people to upgrade to a new release of Ubuntu even
if they have outstanding updates to install or need to reboot from a libc6
upgrade. This behavior is different than that of update-manager which forces
you to install all updates or reboot before upgrading. Additionally, this
specifically allows users to upgrade without receiving fixes that would improve
the upgrade process e.g. bug 1780996.
Test Case for missing updates
-----------------------------
1) Install Ubuntu 18.04 and don't install updates.
2) Modify /etc/update-manager/release-upgrades so Prompt=normal
3) Run 'do-release-upgrade -d'
With the current version of ubuntu-release-upgrader-core you'll be able
to upgrade to Ubuntu 18.10, with the version from -proposed you'll
receive a message saying "Please install all available updates for your
release before upgrading."
Test Case for libc6 update
--------------------------
1) Install Ubuntu 18.04
2) Modify /etc/update-manager/release-upgrades so Prompt=normal
3) Run 'sudo apt-get install --reinstall libc6'
4) Run 'do-release-upgrade -d'
With the current version of ubuntu-release-upgrader-core you'll be able
to upgrade to Ubuntu 18.10, with the version from -proposed you'll
receive a message saying "You have not rebooted after a previous libc6
update. Please reboot before upgrading."
Regression Potential
--------------------
The strings are not translated but that seems better than people having a bad
outcome when upgrading.
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Assignee: Brian Murray (brian-murray)
Status: In Progress
** Affects: ubuntu-release-upgrader (Ubuntu Xenial)
Importance: Undecided
Status: New
** Affects: ubuntu-release-upgrader (Ubuntu Bionic)
Importance: Undecided
Status: New
** Affects: ubuntu-release-upgrader (Ubuntu Cosmic)
Importance: Undecided
Assignee: Brian Murray (brian-murray)
Status: In Progress
** Also affects: ubuntu-release-upgrader (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: ubuntu-release-upgrader (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: ubuntu-release-upgrader (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: ubuntu-release-upgrader (Ubuntu Cosmic)
Status: New => In Progress
** Changed in: ubuntu-release-upgrader (Ubuntu Cosmic)
Assignee: (unassigned) => Brian Murray (brian-murray)
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https://bugs.launchpad.net/bugs/1797209
Title:
do-release-upgrade should block release upgrades in some circumstances
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