[Bug 1983112] Re: Appstream does not install config file

[James Paton-Smith]

Had some time to test this more.

I'm almost certain this is caused by the server autoinstall method.

After doing another manual server install (interactive), and installing
ubuntu-desktop-minimal, I just need to do a `snap refresh snapd` to fix
the issue with the software store. /etc/apt/apt.conf.d/50appstream is
present without any extra steps.

If I do an autoinstall, and list appstream as the only package to install, /etc/apt/apt.conf.d/50appstream is missing.
The command run by the installer is below:
```
/usr/bin/apt-get --quiet --assume-yes --option=Dpkg::options::=--force-unsafe-io --option=Dpkg::Options::=--force-confold install appstream
```

But if I run this manually on a clean system,
/etc/apt/apt.conf.d/50appstream is present. So the issue must be
something else related to the autoinstall.

I can only replicate this issue if using the Ubuntu Autoinstall method.

Should I open a separate issue for this? I've already added subiquity
package to the affected packages list.

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https://bugs.launchpad.net/bugs/1983112

Title:
  Appstream does not install config file

Status in appstream package in Ubuntu:
  New
Status in subiquity package in Ubuntu:
  New

Bug description:
  After performing an Ubuntu automated server install, and installing
  the ubuntu-desktop-minimal package (which includes appstream as a
  dependency) then the snap-store, the snap-store will fail to display
  search results for .deb packages in the Ubuntu apt repositories.

  This is due to a missing config file (/etc/apt/apt.conf.d/50appstream)
  which is supposed to be installed as part of the appstream package.

  The issue can be fixed by re-installing appstream with the following command-line:
  apt-get -y install --reinstall -o Dpkg::Options::="--force-confmiss" appstream

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: appstream 0.15.2-2
  ProcVersionSignature: Ubuntu 5.15.0-41.44-generic 5.15.39
  Uname: Linux 5.15.0-41-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckMismatches: ./boot/grub/grub.cfg
  CasperMD5CheckResult: fail
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Jul 29 15:25:44 2022
  InstallationDate: Installed on 2022-07-27 (1 days ago)
  InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220421)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: appstream
  UpgradeStatus: No upgrade log present (probably fresh install)

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