[Bug 1807043] Re: when rewriting sources.list ubuntu-release-upgrader doesn't check to see if new release is available

[Brian Murray]

** Description changed:

- When rewriting sources.list entries the release-upgrader doesn't check
- to see if the distribution to which the system is being upgraded is
- supported by the archive / PPA. This results in the following error
- message:
+ [Impact]
+ When rewriting sources.list entries the release-upgrader doesn't check to see if the distribution to which the system is being upgraded is supported by the archive / PPA. This results in the following error message:
  
- A problem occurred during the update. This is usually some sort of 
- network problem, please check your network connection and retry. 
+ A problem occurred during the update. This is usually some sort of
+ network problem, please check your network connection and retry.
  
- E:The repository 'http://ppa.launchpad.net/team-xbmc/ppa/ubuntu 
- cosmic Release' does not have a Release file. 
+ E:The repository 'http://ppa.launchpad.net/team-xbmc/ppa/ubuntu
+ cosmic Release' does not have a Release file.
  
  If the release-upgrader were to actually check if the release were
  supported then that specific sources entry could be disabled and the
  upgrade may be able to proceed.
+ 
+ [Test Case]
+ The test case involves adding a PPA which doesn't have a release file for the release to which you are upgrading for upgrading to cosmic we can use the team-xbmc ppa.
+ 
+ 1) sudo add-apt-repository ppa:team-xbmc/ppa
+ 2) do-release-upgrade --frontend DistUpgradeViewText
+ 3) Observe the error message re "does not have a Release file".

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/1807043

Title:
  when rewriting sources.list ubuntu-release-upgrader doesn't check to
  see if new release is available

Status in ubuntu-release-upgrader package in Ubuntu:
  Fix Released
Status in ubuntu-release-upgrader source package in Bionic:
  Triaged
Status in ubuntu-release-upgrader source package in Cosmic:
  Triaged

Bug description:
  [Impact]
  When rewriting sources.list entries the release-upgrader doesn't check to see if the distribution to which the system is being upgraded is supported by the archive / PPA. This results in the following error message:

  A problem occurred during the update. This is usually some sort of
  network problem, please check your network connection and retry.

  E:The repository 'http://ppa.launchpad.net/team-xbmc/ppa/ubuntu
  cosmic Release' does not have a Release file.

  If the release-upgrader were to actually check if the release were
  supported then that specific sources entry could be disabled and the
  upgrade may be able to proceed.

  [Test Case]
  The test case involves adding a PPA which doesn't have a release file for the release to which you are upgrading for upgrading to cosmic we can use the team-xbmc ppa.

  1) sudo add-apt-repository ppa:team-xbmc/ppa
  2) do-release-upgrade --frontend DistUpgradeViewText
  3) Observe the error message re "does not have a Release file".

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1807043/+subscriptions