[Bug 1199157] Re: proposed should be disabled on upgrade to development release

[Adam Conrad]

Hello Andrew, or anyone else affected,

Accepted ubuntu-release-upgrader into raring-proposed. The package will
build now and be available at http://launchpad.net/ubuntu/+source
/ubuntu-release-upgrader/1:0.192.12 in a few hours, and then in the
-proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

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

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1199157

Title:
  proposed should be disabled on upgrade to development release

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Fix Released
Status in “ubuntu-release-upgrader” source package in Raring:
  Fix Committed

Bug description:
  [Impact]
  People upgrading from Raring, with -proposed enabled, to Saucy will still have -proposed enabled. Because -proposed is used as a tested bed in Ubuntu+1 this can result in a terrible experience for people.

  [Test Case]
  0) Add raring-proposed to /etc/apt/sources.list
  1) Run do-release-upgrade -d
  2) Upgrade to saucy
  3) Observe that /etc/apt/sources.list has saucy-proposed enabled

  (Its also possible to inspect /etc/apt/sources.list after it has been
  rewritten, when you are presented with the final upgrade prompt, and
  observe that saucy-proposed is present in it.)

  With the version of ubuntu-release-upgrader from raring-proposed
  you'll notice that /etc/apt/sources.list has a comment indicating that
  saucy-proposed is not for humans.

  [Regression Potential]
  Very little as we are just passing the --devel-release option along to the dist upgrader.

  Original Description
  --------------------
  proposed is now used as a testbed and staging area in Ubuntu+1 and is not to be used by humans. I just installed raring in a VM, enabled proposed, and the upgraded with 'do-release-upgrade -d' When finished, proposed is enabled and packages from proposed are installed. There's no guarantee that proposed will even be installable.

  It should be disabled on upgrade to development release.

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