Bug#849509: Logs show popularity-contest installation indeed occurs after user says no

[Samuel Thibault <sthibault@debian.org>]

Hello,

積丹尼 Dan Jacobson, le mar. 02 avril 2019 21:21:31 +0800, a ecrit:
> Later examine the logs.
> You will see actual installation (and then removal) indeed occurs
> *after* the user has answered "no".
> 
> So the user's eyes didn't fool him after all.

Please read again. Taking the original log as instance:

Dec 25 23:38:10 in-target: Preconfiguring packages ...

  *there*

Dec 25 23:38:14 in-target: Selecting previously unselected package popularity-contest.
Dec 25 23:38:14 in-target: ^M
Dec 25 23:38:14 in-target: (Reading database ...
Dec 25 23:38:14 in-target: 15048 files and directories currently installed.)
Dec 25 23:38:14 in-target: Preparing to unpack .../popularity-contest_1.64_all.deb ...
Dec 25 23:38:14 in-target: Unpacking popularity-contest (1.64) ...^M
Dec 25 23:38:14 in-target: Setting up popularity-contest (1.64) ...
Dec 25 23:38:15 in-target: (Reading database ... 15073 files and directories currently installed.)
Dec 25 23:38:15 in-target: Removing popularity-contest (1.64) ...
Dec 25 23:38:15 in-target: Purging configuration files for popularity-contest (1.64) ...
Dec 25 23:38:16 pkgsel: starting tasksel
Dec 25 23:39:30 in-target: Reading package lists...


Questions are asked at the preconfigure stage, which is indeed before
installing the package. But preconfigure (thus the question) can't
happen without installing the package, even if only to remove it right
after that.

Samuel