[Bug 1560797] Re: apt does not configure Pre-Depends: before depending package

[Brian Murray]

I installed the version of apt from trusty-proposed and then completed
an upgrade from Trusty to Xenial using that version of apt with the
libgcrypt packages installed.

>From /var/log/dist-upgrade/apt-term.log we can see the following:

Processing triggers for libc-bin (2.19-0ubuntu6.7) ...^M
(Reading database ... ^M(Reading database ... 5%^M(Reading database ... 10%^M(Reading database ... 15%^M(Reading database ... 20%^M(Reading database ... 25%^M(Reading database ... 30%^M(Reading database ... 35%^M(Reading database ... 40%^M(Reading database ... 45%^M(Reading database ... 50%^M(Reading database ... 55%^M(Reading database ... 60%^M(Reading database ... 65%^M(Reading database ... 70%^M(Reading database ... 75%^M(Reading database ... 80%^M(Reading database ... 85%^M(Reading database ... 90%^M(Reading database ... 95%^M(Reading database ... 100%^M(Reading database ... 232996 files and directories currently installed.)^M
Preparing to unpack .../libgcrypt20_1.6.5-2_i386.deb ...^M
Unpacking libgcrypt20:i386 (1.6.5-2) over (1.6.1-2ubuntu1.14.04.1) ...^M
Selecting previously unselected package libgcrypt20:amd64.^M
Preparing to unpack .../libgcrypt20_1.6.5-2_amd64.deb ...^M
Unpacking libgcrypt20:amd64 (1.6.5-2) ...^M
Processing triggers for libc-bin (2.19-0ubuntu6.7) ...^M
Setting up libgcrypt20:amd64 (1.6.5-2) ...^M
Setting up libgcrypt20:i386 (1.6.5-2) ...^M
Processing triggers for libc-bin (2.19-0ubuntu6.7) ...^M
Selecting previously unselected package libsystemd0:amd64.^M
(Reading database ... ^M(Reading database ... 5%^M(Reading database ... 10%^M(Reading database ... 15%^M(Reading database ... 20%^M(Reading database ... 25%^M(Reading database ... 30%^M(Reading database ... 35%^M(Reading database ... 40%^M(Reading database ... 45%^M(Reading database ... 50%^M(Reading database ... 55%^M(Reading database ... 60%^M(Reading database ... 65%^M(Reading database ... 70%^M(Reading database ... 75%^M(Reading database ... 80%^M(Reading database ... 85%^M(Reading database ... 90%^M(Reading database ... 95%^M(Reading database ... 100%^M(Reading database ... 232998 files and directories currently installed.)^M
Preparing to unpack .../libsystemd0_229-4ubuntu4_amd64.deb ...^M
Unpacking libsystemd0:amd64 (229-4ubuntu4) ...^M
Processing triggers for libc-bin (2.19-0ubuntu6.7) ...^M
Setting up libsystemd0:amd64 (229-4ubuntu4) ...^M
Processing triggers for libc-bin (2.19-0ubuntu6.7) ...^M

So that looks good for Trusty too.

** Tags removed: verification-needed
** Tags added: verification-done-trusty

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https://bugs.launchpad.net/bugs/1560797

Title:
  apt does not configure Pre-Depends: before depending package

Status in apt package in Ubuntu:
  Fix Released
Status in apt source package in Trusty:
  Fix Committed
Status in apt source package in Wily:
  Fix Committed

Bug description:
  Happened during upgrade to 16.04, don't know any more details.

  --
  SRU INFORMATION
  ===============
  Fix: https://anonscm.debian.org/cgit/apt/apt.git/commit/?id=c75e60eb (applied in Xenial last week)

  Test case:
   - Install clean wily amd64 desktop + install libgcrypt20:i386
   - change apt sources to xenial, apt-get dist-upgrade
   - with current apt, upgrade will often fail because systemd expects a configure libgcrypt20, or util-linux expects a configured libudev1 or similar, but these packages aren't configured.
   - with the fixed apt, the upgrade should run smoothly.

  Regression potential: Any bug here might potentially break package
  installation or upgrades completely. That said, the fix is quite
  obvious and has been in production in xenial for a week. Testing this
  SRU should include several dist-upgrades as well as some normal
  package installs in trusty/wily.


  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: systemd-sysv 225-1ubuntu9.1
  Uname: Linux 4.4.5-040405-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  Date: Tue Mar 22 22:56:03 2016
  ErrorMessage: pre-dependency problem - not installing systemd-sysv
  InstallationDate: Installed on 2013-04-24 (1064 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423.1)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1
   apt  1.2.7
  SourcePackage: systemd
  Title: package systemd-sysv 225-1ubuntu9.1 failed to install/upgrade: pre-dependency problem - not installing systemd-sysv
  UpgradeStatus: Upgraded to xenial on 2016-03-23 (0 days ago)

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