[Bug 1576960] Re: apt-mark prints ambiguous package name

[David Kalnischkies]

I presume that works (I would be using nativearch="$(dpkg --print-
architecture)" through – and poking directly into info/ is discouraged.
Checking exitcode of commands like 'dpkg-query -s "$1"' might be
better), but note that with a "foo:all" you aren't talking about a
package as packages can't have this special architecture. It is a
specific version of a package "foo:native" which was built such that it
works independently of the underlying native architecture – so the
display of fully arch-qualified package names would still be "wrong" as
apt-mark talks about packages, not about versions.

This distinction comes into play e.g. if the source package changes from
any to all (or vice versa) as this resembles a 'normal' upgrade (which
carries over data like the autobit), while there is no upgrade path in
the crossgrading foo:i386 to foo:amd64 case.

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https://bugs.launchpad.net/bugs/1576960

Title:
  apt-mark prints ambiguous package name

Status in apt package in Ubuntu:
  Opinion

Bug description:
  Example in shell:

  $ dpkg-query -W -f='${binary:Package} ${Status}\n' libfontconfig1
  libfontconfig1:amd64 install ok installed
  libfontconfig1:i386 install ok installed

  $ apt-mark showauto libfontconfig1
  $ apt-mark showauto libfontconfig1:i386
  libfontconfig1:i386
  $ apt-mark showmanual libfontconfig1:i386
  $ apt-mark showauto libfontconfig1:amd64
  $ apt-mark showmanual libfontconfig1
  libfontconfig1              <---- should be libfontconfig1:amd64
  $ apt-mark showmanual libfontconfig1:amd64
  libfontconfig1              <---- should be libfontconfig1:amd64

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: apt 1.0.1ubuntu2.13
  ProcVersionSignature: Ubuntu 3.13.0-85.129-lowlatency 3.13.11-ckt36
  Uname: Linux 3.13.0-85-lowlatency x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Sat Apr 30 12:50:48 2016
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-09-21 (587 days ago)
  InstallationMedia: Ubuntu-Studio 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.1)
  SourcePackage: apt
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.kernel.postinst.d.apt.auto.removal: [modified]
  mtime.conffile..etc.kernel.postinst.d.apt.auto.removal: 2016-02-03T01:46:24.317010

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