[Bug 1891515] Re: ucf overwrites diverted configuration file breaking unattended upgrades - upstream fix available

[Mathew Hodson]

https://launchpad.net/ubuntu/+source/ucf/3.0040
---

ucf (3.0040) unstable; urgency=medium

  * This is a feature add release, for the most part
  * Bug fix: "Add support for creating files with default SELinux
    context", thanks to Christian Göttsche (Closes: #949314).
  * Bug fix: "please consider merge request #1 adding
    ucf_helper_functions", thanks to Marc Haber (Closes: #930130).
  * Bug fix: "ucf has /bin/bash shebangs but does not depend on bash",
    thanks to James Le Cuirot (Closes: #952448). It actually does not need
    bash, so this was easy to do.
  * Bug fix: "should respect dpkg-divert", thanks to Timothy G Abbott
    (Closes: #477773).
  * Bug fix: "[INTL:nl] Dutch translation of debconf messages", thanks to
    Frans Spiesschaert (Closes: #926661).

 -- Manoj Srivastava <srivasta at debian.org>  Tue, 19 May 2020 23:47:10
-0700

** This bug is no longer a duplicate of bug 1891110
   Focal ucf need redirect fixes backported to ensure working with config-package-dev

** No longer affects: dovecot (Ubuntu)

** Also affects: ucf (Debian) via
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=477773
   Importance: Unknown
       Status: Unknown

** Project changed: ucf => ubuntu

** No longer affects: ubuntu

** Changed in: ucf (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1891515

Title:
  ucf overwrites diverted configuration file breaking unattended
  upgrades - upstream fix available

Status in ucf package in Ubuntu:
  Fix Released
Status in ucf package in Debian:
  Unknown

Bug description:
  An unattended security upgrade (package dovecot-core) failed,
  interrupting mailbox service. The cause was ucf replacing a custom
  configuration file which had been diverted (using dpkg-divert) by a
  custom configuration package.

  Excerpt from /var/log/apt/term.log:
  ---
  Setting up dovecot-core (1:2.2.33.2-1ubuntu4.6) ...
  Replacing config file /etc/dovecot/dovecot.conf.custom with new version
  ucfr: Attempt from package dovecot-core  to take /etc/dovecot/dovecot.conf.custom away from package custom-mail-server
  ucfr: Aborting.
  dpkg: error processing package dovecot-core (--configure):
   installed dovecot-core package post-installation script subprocess returned error exit status 4
  ---

  The underlying issue has been fixed upstream in ucf version 3.0040:
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=477773

  Affected versions:
  - Ubuntu 18.04.5 LTS - ucf 3.0038
  - Ubuntu 20.04.1 LTS - ucf 3.0038+nmu1

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