[Bug 1815761] Re: Alternative to Dpkg::Post-Invoke that runs even if dpkg did not have to be invoked

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 1.2.31

---------------
apt (1.2.31) xenial; urgency=medium

  * Fix name of APT::Update::Post-Invoke-Stats (was ...Update-Post...)
  * apt.dirs: Install auth.conf.d directory (LP: #1818996)
  * Merge translations from 1.6.10 (via 1.4.y branch)

apt (1.2.30) xenial; urgency=medium

  * merge security upload for content injection in http method (CVE-2019-3462);
    with fixed autopkgtest (LP: #1815750)
  * Introduce experimental 'never' pinning for sources (LP: #1814727)
  * Add support for /etc/apt/auth.conf.d/*.conf (netrcparts) (LP: #1811120)
  * Add a Packages-Require-Authorization Release file field (LP: #1814727)
  * NeverAutoRemove kernel meta packages (LP: #1787460)
  * doc: Set ubuntu-codename to xenial (LP: #1812696)
  * update: Provide APT::Update-Post-Invoke-Stats script hook point
    (LP: #1815760)
  * Introduce APT::Install::Pre-Invoke / Post-Invoke-Success (LP: #1815761)

 -- Julian Andres Klode <juliank at ubuntu.com>  Tue, 12 Mar 2019 14:59:01
+0100

** Changed in: apt (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-3462

** Changed in: apt (Ubuntu Trusty)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1815761

Title:
  Alternative to Dpkg::Post-Invoke that runs even if dpkg did not have
  to be invoked

Status in apt package in Ubuntu:
  Fix Released
Status in apt source package in Trusty:
  Fix Released
Status in apt source package in Xenial:
  Fix Released
Status in apt source package in Bionic:
  Fix Released
Status in apt source package in Cosmic:
  Fix Released
Status in apt source package in Disco:
  Fix Released

Bug description:
  [Impact]
  Dpkg::Post-Invoke is run only when dpkg had to be run. We'd like to be able to show some extra output even if no changes had been made. Imagine "the user disabled the security repo, and does not get any updates shown scenario" - we'd like to be able to tell them that there are security updates available after all.

  [Test case]
  1. Specify an APT::Install::Post-Invoke-Success hook

  2. Make sure it runs even if there are no changes, using apt upgrade
  -tnow

  [Regression potential]
  No-change upgrades/install can now fail if this new hooks fail.

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