[Bug 1887432] Re: configuration file //.config/debconf-kde-helperrc not writable

[Niklas Sombert]

I don't get this message when using pkcon, so I figured it might be
interesting to compare the different environments debconf-kde-helper
runs in when invoked by each of those.

When invoked by pkcon, it has access to a whole load of environment variables.
When invoked by aptdcon, it only sees the following:
DEBCONF_DB_OVERRIDE=Pipe{infd:none outfd:none}
DISPLAY=:0
DEBIAN_FRONTEND=kde
QT_LOGGING_RULES=org.kde.debconf.debug=false
PWD=/home/niklas
DEBCONF_DB_REPLACE=configdb

I'm a bit confused on how this came to be as
DebconfProxy._get_debconf_env copies os.environ first. But I couldn't
figure out where this function was really called from.

So, one possible solution would be to pass at least $HOME and $XDG_CONFIG_HOME. (I'm not exactly sure how kconfig determines where to place the config file, but I guess it's these two.)
Or just pass the whole environment.

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https://bugs.launchpad.net/bugs/1887432

Title:
  configuration file //.config/debconf-kde-helperrc not writable

Status in aptdaemon package in Ubuntu:
  New

Bug description:
  I'm using "aptdcon --refresh" and "aptdcon --full-upgrade" to update
  my system.

  I'm getting the following informational message on every upgrade
  (twice on start and twice on end):

  debconf-kde-helper - KDialog
  Configuration file "//.config/debconf-kde-helperrc" not writable.
  Please contact your system administrator.

  This may be the same bug as #1851573, but I'm not sure.
  Also, the bug may be in debconf-kde-helper instead of aptdaemon, but again, I'm not sure.

  $ lsb_release -rd
  Description:    Ubuntu 20.04 LTS
  Release:        20.04
  $ env LANG=C apt-cache policy aptdaemon
  aptdaemon:
    Installed: 1.1.1+bzr982-0ubuntu32.1
    Candidate: 1.1.1+bzr982-0ubuntu32.1
    Version table:
   *** 1.1.1+bzr982-0ubuntu32.1 500
          500 http://de.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
          500 http://de.archive.ubuntu.com/ubuntu focal-updates/main i386 Packages
          100 /var/lib/dpkg/status
       1.1.1+bzr982-0ubuntu32 500
          500 http://de.archive.ubuntu.com/ubuntu focal/main amd64 Packages
          500 http://de.archive.ubuntu.com/ubuntu focal/main i386 Packages

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: aptdaemon 1.1.1+bzr982-0ubuntu32.1
  ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
  Uname: Linux 5.4.0-42-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.4
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: KDE
  Date: Mon Jul 13 22:22:44 2020
  InstallationDate: Installed on 2011-11-29 (3149 days ago)
  InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
  PackageArchitecture: all
  SourcePackage: aptdaemon
  UpgradeStatus: Upgraded to focal on 2020-05-16 (58 days ago)
  modified.conffile..etc.apport.crashdb.conf: [modified]
  mtime.conffile..etc.apport.crashdb.conf: 2019-11-16T19:21:10.126162

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