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Bug#895242: marked as done ([apt] apt-cache search with multiple distinct keywords miss some packages)

Your message dated Fri, 5 Apr 2019 14:56:14 +0200
with message-id <20190405125614.GD10131@crossbow>
and subject line Re: Bug#895242: [apt] apt-cache search with multiple distinct keywords miss some packages
has caused the Debian Bug report #895242,
regarding [apt] apt-cache search with multiple distinct keywords miss some packages
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
895242: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=895242
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: apt
Version: 1.6~beta1
Severity: minor

--- Please enter the report below this line. ---

In Buster, with apt 1.6~alpha7 and 1.6~beta1, apt-cache search produces
an incomplete list. However, the missing packages can be seen by
apt-cache by means other than "search" (e.g. show, showpkg, pkgnames,
etc.). All the packages missing from the list are install candidates
(#600010 not applicable)

$ apt-cache search continuous integration
debci-worker - continuous integration system for Debian (worker daemon)
fwupd-tests - Test suite for firmware update daemon
lava-dispatcher - Linaro Automated Validation Architecture dispatcher
lava-lxc-mocker - Linaro Automated Validation Architecture LXC Mocker
lavacli - LAVA XML-RPC command line interface
libtap-formatter-junit-perl - Perl module for converting TAP output to
JUnit XML output
ocrmypdf - add an OCR text layer to PDF files
trac-bitten - continuous integration plugin for Trac
trac-bitten-slave - continuous integration plugin for Trac

This list is incomplete. For instance,

~$ apt-cache pkgnames debci
debci-collector
debci-worker
debci

All these debci* packages have the phrase "continuous integration" in
their descriptions, but the search reveals only debci-worker. Here,
debci is just an example. There are other missing packages in the list,
too.

OTOH, phrase searching reveals a better hit rate than searching with
multiple distinct keywords, while normally the opposite should have
been true.

~$ apt-cache search "continuous integration"
libgradle-android-plugin-java - Android Plugin for Gradle
libgradle-android-plugin-java-doc - Android Plugin for Gradle -
Documentations
buildnotify - cruise control CI build monitor
debci - continuous integration system for Debian
debci-collector - continuous integration system for Debian (collector
daemon)
debci-worker - continuous integration system for Debian (worker
daemon)
python-pytest-timeout - Pytest plugin to abort hanging tests -
Python 2.X
python3-pytest-timeout - Pytest plugin to abort hanging
tests - Python 3.X
trac-bitten - continuous integration plugin for Trac
trac-bitten-slave - continuous integration plugin for Trac
python-xmlrunner - PyUnit-based test runner with JUnit like XML
reporting
node-vows - asynchronous BDD & continuous integration for Node


--- System information. ---
Architecture: 
Kernel:       Linux 4.9.0-4-amd64

Debian Release: buster/sid
  500 testing         ftp.tr.debian.org 

--- Package information. ---
Depends                         (Version) | Installed
=========================================-+-===============
adduser                                   | 3.117
gpgv                                      | 2.2.4-3
 OR gpgv2                                 | 
 OR gpgv1                                 | 
debian-archive-keyring                    | 2017.7
libapt-pkg5.0              (>= 1.6~beta1) | 1.6~beta1
libc6                           (>= 2.15) | 2.27-2
libgcc1                        (>= 1:3.0) | 1:8-20180218-1
libgnutls30                    (>= 3.5.6) | 3.5.18-1
libseccomp2                    (>= 1.0.1) | 2.3.1-2.1
libstdc++6                       (>= 5.2) | 8-20180218-1


Recommends           (Version) | Installed
==============================-+-===========
ca-certificates                | 20170717


Suggests             (Version) | Installed
==============================-+-============
apt-doc                        | 
aptitude                       | 
 OR synaptic                   | 0.84.2
 OR wajig                      | 
dpkg-dev           (>= 1.17.2) | 
gnupg                          | 2.2.4-3
 OR gnupg2                     | 
 OR gnupg1                     | 
powermgmt-base                 | 1.31+nmu1


--- Output from package bug script ---


-- 
Abdullah Ramazanoglu

--- End Message ---
--- Begin Message --- 
Hi,

sorry for taking so long to reply…

On Sun, Apr 08, 2018 at 09:31:14PM +0300, Abdullah Ramazanoglu wrote:
> In Buster, with apt 1.6~alpha7 and 1.6~beta1, apt-cache search produces
> an incomplete list. However, the missing packages can be seen by

… sadly I can not reproduce this in either current apt/master nor in
1.6~beta1 which isn't too surprising as the code involved hasn't changed
at all since 1.6~alpha6 so that they behave the same is good.

Running your commands nets me both times a long list of packages – both
times including the debci* packages – and the search for the two words
finds as expected more than "two words".


I am at a lose here as to how that could have happened, but I suspect
either involvement of non-default configuration which you haven't
included (= the bugscript would usually have…), involvement of
translated descriptions (= search looks only at the most preferred) or
a semi-broken binary cache (= we had some issues fixed in meantime).
Most likely a wild mixture of them all.

We haven't got another report of this kind in a year, so my best hope is
that this was a temporary hiccup fixing itself in the meantime. I am
therefore opportunistically closing this report as unreproducible, but
would highly encourage you to report anew/reopen with more details of
your configuration if this still effects you.
There is hope that we reply a bit earlier next time! 😉


Thanks for your report, your patience &
Best regards

David Kalnischkies

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