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Message #94790
[Bug 1479207] Re: Never-MarkAuto-Sections not working correctly
Hello Adam, or anyone else affected,
Accepted apt into vivid-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/apt/1.0.9.7ubuntu4.2
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: apt (Ubuntu Vivid)
Status: New => Fix Committed
** Tags added: verification-needed
** Changed in: apt (Ubuntu Precise)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1479207
Title:
Never-MarkAuto-Sections not working correctly
Status in apt package in Ubuntu:
Fix Committed
Status in apt source package in Precise:
Fix Committed
Status in apt source package in Trusty:
Fix Released
Status in apt source package in Vivid:
Fix Committed
Status in apt package in Debian:
Fix Released
Bug description:
[ SRU Justification ]
Not only is this behaviour broken for every day use, but it also completely breaks livefs generation for ubuntukylin, and causes most of $flavour-desktop to be on the autoremove list in any point release livefs, making this bug point-release critical.
[ Test Case ]
Install a metapackage (say, ubuntu-standard), and then "apt-get --purge autoremove ubuntu-standard" and check that only that package is removed, rather than large chunks of its dependencies.
Further, also run the test case from comment 2 of bug #1429041 and
make sure the previous fix didn't regress.
[ Regression Potential ]
My fix was tested locally against both test cases and passes with flying colours, so I don't see how this can make things any worse than they already are.
[ Original Report ]
In current trusty, vivid, and wily, when you install ubuntu-minimal (from the "metapackages" section) in a clean chroot, some 75ish packages are installed. If you then "apt-get --purge autoremove ubuntu-minimal", some large portion (between 20 and 40, depending on the target release) of those dependencies are removed again.
If this test is repeated putting the release pocket version of
apt/libapt on hold, the purge/autoremove only removes the metapackage,
but none of its dependencies, so this is likely a regression brought
on from the previous autoremoval fix.
This bug is release-critical for the 14.04.3 point release, as we
install using metapackages instead of tasks in point releases, thus
meaning that anyone removing ubuntu-desktop for any reason will end up
with dozens (potentially hundreds) of packages on the autoremoval
list.
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References