[Bug 1817350] Re: Running 'aptitude update' clears hold flags on packages

[Mike Nguyen]

Another detail that might be worth mentioning...

Running "aptitude update" to create the /var/lib/aptitude/pkgstates file
seems to ONLY work from a tty.  From a connection with no tty (such as
one initiated via ansible), it does not seem to create the file.

I had to work around things by making aptitude actually run a command
that will do an action without any doubt (such as...  aptitude install
-y sudo).

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https://bugs.launchpad.net/bugs/1817350

Title:
  Running 'aptitude update' clears hold flags on packages

Status in aptitude package in Ubuntu:
  Confirmed

Bug description:
  When running an 'aptitude update' for the very first time, it seems to
  clear up any hold flags that were previous put in place via 'apt-mark
  hold <package>'.

  1:
  root at cb-qa-lb-1:~# lsb_release -rd
  Description:    Ubuntu 18.04.2 LTS
  Release:        18.04

  2:
  root at cb-qa-lb-1:~# apt-cache policy aptitude
  aptitude:
    Installed: 0.8.10-6ubuntu1
    Candidate: 0.8.10-6ubuntu1
    Version table:
   *** 0.8.10-6ubuntu1 500
          500 http://ca.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
          100 /var/lib/dpkg/status

  3:
  When a 'hold' flag is set on a package, it should be kept.  Doing an 'aptitude update' should not be clearing these package flags.  This is not the case as the hold flag is getting removed.

  4:
  All 'hold' flags on packages that were previously set get cleared.

  Upon running 'aptitude update', it seems to create
  /var/lib/aptitude/pkgstates, and also update /var/lib/dpkg/status,
  which seems to remove any flags on packages that were present.

  Pastebin here with some output:
  https://paste.ubuntu.com/p/VF6kQRbSmf/

  This only seems to happen when running 'aptitude update' on an initial
  run.  Doing an 'apt update' does not cause any issue.

  Note that running subsequent 'aptitude update' with
  /var/lib/aptitude/pkgstates already existing does not seem to cause
  any issue anymore and any hold flags that get set are kept.

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