[Bug 1725861] Re: APT::AutoRemove::SuggestsImportant "false" should be the default

[Julian Andres Klode]

I package A suggests package B and you install B because C depends on
it, and now you remove C a year later, removing B might or might not be
a good idea. I think it's better to be on the safe side here and not
remove stuff the user might have come to rely on in autoremove.

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Title:
  APT::AutoRemove::SuggestsImportant "false" should be the default

Status in apt package in Ubuntu:
  New

Bug description:
  After an upgrade to 17.10, I took a look at how much cruft I had
  accumulated on my system, and started marking various packages 'auto'
  which I know I don't care about keeping installed.

  apt autoremove didn't remove nearly as much stuff as I expected, and
  as I dug down into some of them I found that a number of them were
  being kept because other packages on the system have Suggests:
  referencing them.

  This is asymmetric and wrong.  If Suggested packages are not
  automatically installed by default, then a Suggests should also not
  prevent a package from being automatically removed.

  After a web search led me to 'https://askubuntu.com/questions/351085
  /how-to-remove-recommended-and-suggested-dependencies-of-uninstalled-
  packages', I set 'APT::AutoRemove::SuggestsImportant "false"' in my
  apt config; apt autoremove now wants to remove 365MiB of packages from
  my system.  That is a LOT of cruft that has accumulated over the years
  of upgrades, none of which I have ever asked to be installed and all
  of which were universe or no-longer-available packages.

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