[Bug 1572416] Re: do-release-upgrade crashes in Greek locale

[Adam Conrad]

Hello Alkis, or anyone else affected,

Accepted ubuntu-release-upgrader into xenial-proposed. The package will
build now and be available at https://launchpad.net/ubuntu/+source
/ubuntu-release-upgrader/1:16.04.13 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 Xenial)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1572416

Title:
  do-release-upgrade crashes in Greek locale

Status in ubuntu-release-upgrader package in Ubuntu:
  In Progress
Status in ubuntu-release-upgrader source package in Xenial:
  Fix Committed
Status in ubuntu-release-upgrader source package in Yakkety:
  Fix Committed

Bug description:
  [SRU Justification]
  Wrong translations and wrong behavior of upgrader

  [Regression potential]
  Code changes are specific to an input function used at one specific point in the upgrader and should be very testable.

  [Test case]
  1. On Ubuntu 14.04, get a root shell in a terminal.
  2. Run 'apt install language-pack-el'
  3. Run 'LANG=el_GR.UTF-8 do-release-upgrade -d'
  4. Confirm that the upgrader is shown in Greek.
  5. When prompted whether or not to upgrade, confirm that the Continue prompt shows 'Συνἑχεια [yN]' instead of the expected 'Συνἑχεια [νΟ]'.
  6. Type 'y<enter>' and see that the input is ignored and the prompt redisplayed.
  7. Hit '<enter>' and see that the input is ignored and the prompt redisplayed.
  8. Type (or cut and paste) 'ν<enter>' and confirm that the upgrade proceeds.
  9. On a fresh Ubuntu 14.04 install, get a root shell in a terminal.
  10. Run 'apt install language-pack-el'
  11. Run 'LANG=el_GR.UTF-8 do-release-upgrade -d -p'
  12. Confirm that the upgrader is shown in Greek.
  13. When prompted whether or not to upgrade, confirm that the Continue prompt shows 'Συνἑχεια [νΟ]'.
  14. Hit '<enter> and confirm that the upgrade continues proceeds.

  I tried `do-release-upgrade -d` on an up to date 14.04 system, with
  Greek locale=el_GR.UTF-8.

  I got notified that some packages are no longer supported by Canonical, and then I got this prompt:
  Continue [yN] λεπτομέρειες [λ]

  λεπτομέρειες means details.

  I tried pressing [λ] and I got the (hopefully attached) crash. If it's
  not attached, I also uploaded it to http://paste.ubuntu.com/15941779/.

  Then it restarted the upgrade process and it got to the same prompt. At that point, [λ] worked and showed me the no-longer supported packages,
  but y/n didn't work at all, so I couldn't continue.

  I pressed Ctrl+C to abort the upgrade process,
  but now `do-release-upgrade -d` tells me there's no new distribution available to upgrade to, possibly because it's checking my just-broken sources.list...

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-85.129-generic 3.13.11-ckt36
  Uname: Linux 3.13.0-85-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Apr 20 08:52:43 2016
  InstallationDate: Installed on 2015-01-29 (446 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64+mac (20140722.2)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=el
   TERM=xterm
   PATH=(custom, no user)
   LANG=el_GR.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-04-20 (0 days ago)

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