[Bug 1721882] Please test proposed package

[Łukasz Zemczak]

Hello Brian, or anyone else affected,

Accepted ubuntu-release-upgrader into zesty-proposed. The package will
build now and be available at https://launchpad.net/ubuntu/+source
/ubuntu-release-upgrader/1:17.04.10 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 on 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-zesty to verification-done-zesty. If it does not fix
the bug for you, please add a comment stating that, and change the tag
to verification-failed-zesty. 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-xenial

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https://bugs.launchpad.net/bugs/1721882

Title:
  Generic instructions for dealing with full partitions don't help much

Status in ubuntu-release-upgrader package in Ubuntu:
  Fix Released
Status in ubuntu-release-upgrader source package in Xenial:
  Fix Committed
Status in ubuntu-release-upgrader source package in Zesty:
  Fix Committed
Status in ubuntu-release-upgrader source package in Artful:
  Fix Released

Bug description:
  This a parallel to bug 1477455 regarding update-manager and a full
  /boot partition.

  [Impact]
  ubuntu-release-upgrader provides generic instructions if a system being upgrade is calculated to not have enough free space for the upgrade to succeed. The instructions include using apt clean and emptying trash. This message won't help if you have a separate boot partition that is low on free space though.

  [Test Case]
  1) Create a file to be used as a /boot partition (dd if=/dev/zero of=fake-boot bs=1024 count=204800)
  2) mkfs -t ext3 fake-boot
  3) copy your real /boot somewhere
  4) sudo mount -t ext3 fake-boot /boot
  5) copy the files from step 3 to /boot
  6) fill up /boot so there is less 30MB free space
  7) run 'do-release-upgrade -p' (-p is for proposed)

  With the current version of ubuntu-release-upgrader you'll see an
  error message with instructions to "empty your trash and remove
  temporary packages." With the version of ubuntu-release-upgrader in
  -proposed you'll receive a message regarding using "sudo apt
  autoremove".

  [Regression Potential]
  We are just changing the strings used in the error message, which will introduce untranslated strings but that is better than leaving people with systems that cannot update.

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