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

[Launchpad Bug Tracker]

This bug was fixed in the package ubuntu-release-upgrader - 1:19.04.7

---------------
ubuntu-release-upgrader (1:19.04.7) disco; urgency=medium

  [ Brian Murray ]
  * DistUpgrade/DistUpgradeCache.py: When calculating free space needed for
    mount points don't use a negative number as the buffer. (LP: #1786484)
  * fix more typos re RELEASE_UPRADER_ALLOW_THIRD_PARTY
  * DistUpgrade/DistUpgradeCache.py: When calculating free space needed for
    mount points don't use a negative number as the buffer. (LP: #1786484)
  * fix more typos re RELEASE_UPRADER_ALLOW_THIRD_PARTY
  * DistUpgrade/DistUpgradeController.py: When rewriting sources.list entries
    check to see if the source provides packages for the release to which the
    upgrade is occurring. If it doesn't the entry is disabled thereby
    improving upgrades with PPAs. (LP: #1807043)
  * do-release-upgrade: add a parameter to allow third party mirrors and
    repositories, additionally pass along the environmental variable
    RELEASE_UPGRADER_ALLOW_THIRD_PARTY via pkexec and sudo. (LP: #1807032)
  * DistUpgrade/DistUpgradeCache.py: improve messaging regarding failures to
    calculate the upgrade and suggest using ppa-purge if PPAs are an issue.
  * DistUpgrade/DistUpgradeCache.py: in the event there is a failure to
    calculate the upgrade provide information about the log files in
    /var/log/dist-upgrade. (LP: #1771387)

  [ Jeremy Bicha ]
  * autopkgtest: Update dependency from gir1.2-webkit-3.0 to gir1.2-webkit2-4.0

 -- Brian Murray <brian at ubuntu.com>  Tue, 11 Dec 2018 15:35:34 -0800

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: In Progress => Fix Released

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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

Bug description:
  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.

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