Yum/dnf Search Functionality

Thu Jun 26 22:01:36 UTC 2014

On 06/27/2014 12:35 AM, Tim wrote:
> Allegedly, on or about 26 June 2014, Stephen Morris sent:
>> neither yum nor dnf, both of which give the same results,
>> didn't suggest to try a further search, but I would have thought that
>> as a minimum they would have searched installed packages first. It is
>> completely illogical to me for a product to do a search for specified
>> functionality and not tell you that functionality is provided by
>> something you already have installed.
> For what it's worth, it searches the yum database for matches.  The yum
> database contains information on all packages, installed, or not.  If
> the database hasn't been recently cached (the definition of recent can
> be configured by you), then it will update the cache, first.
>
> I'm currently booted up on an older installation, but when I did "yum
> search music" it returned a list of applications that have some *music*
> keyword in some of their metadata.  And, the last line of the results
> said:
>
>   Name and summary matches only, use "search all" for everything.
>
> And the results included things I have installed, those these results
> don't indicate whether its results are uninstalled, or installed.  If
> you did a subsequent yum info packagename, on anything that caught your
> interest, that would show whether it was installed (in this example, the
> "repo" line either shows where you can get it from, or that it's
> installed).
>
> Then I did a test to search for something that will produce no results,
> I tried the following command line, and got the following results:
>
>   yum search giraffe
> Loaded plugins: langpacks, presto, refresh-packagekit
> Warning: No matches found for: giraffe
> No Matches found
>
> I'm surprised that it didn't tag on the use search all message.  Perhaps
> it would be good if it falls back on doing yum search all, for you, if
> there was no results.  Though, that could be a nuisance, in itself.
>
Hi Tim,
     I have tried the searches again with dnf and smart and as can be 
seen from the output, dnf did not suggest to use search all, nor did it 
show Handbrake in its list as smart did, and when I issue the info 
command on Handbrake from dnf it showed that Handbrake is indeed 
installed. Given that it appears that in my environment it is behaving 
differently to your environment, am I missing something that should be 
installed?

[steve at home-desktop ~]$ dnf search bluray
Cairo-Dock repository 22 kB/s |  33 kB     00:01
Open source multiplatform video transcoder 6.4 kB/s | 5.7 kB     00:00
RPM Fusion for Fedora 20 - Free - Updates 360 kB/s | 373 kB     00:01
RPM Fusion for Fedora 20 - Nonfree - Updates 284 kB/s | 106 kB     00:00
RPM Fusion for Fedora 20 - Free 392 kB/s | 487 kB     00:01
Adobe Systems Incorporated 2.5 kB/s | 1.8 kB     00:00
Adobe Systems Incorporated 2.1 kB/s | 1.8 kB     00:00
Fedora 20 - x86_64 - Updates 562 kB/s |  24 MB     00:42
Russian Fedora for Fedora 20 - Free - Updates 74 kB/s | 108 kB     00:01
google-chrome 8.1 kB/s | 3.5 kB     00:00
Russian Fedora for Fedora 20 - Free 61 kB/s |  83 kB     00:01
RPM Fusion for Fedora 20 - Nonfree 431 kB/s | 289 kB     00:00
RPM Sphere 320 kB/s | 6.0 MB     00:19
======================================================================================== 
N/S Matched: bluray 
========================================================================================
libbluray-bdj.x86_64 : BDJ support for libbluray
libbluray-java.x86_64 : BDJ support for libbluray
libbluray-utils.x86_64 : Test utilities for libbluray
libbluray-devel.x86_64 : Development files for libbluray
libbluray-devel.i686 : Development files for libbluray
libbluray.x86_64 : Library to access Blu-Ray disks for video playback
libbluray.i686 : Library to access Blu-Ray disks for video playback
[steve at home-desktop ~]$ smart search bluray
Loading cache...
Updating cache... 
############################################################################################################### 
[100%]

HandBrake-cli - An open-source multiplatform video transcoder (CLI)
HandBrake-gui - An open-source multiplatform video transcoder (GUI)
libbluray - Library to access Blu-Ray disks for video playback
libbluray - Library to access Blu-Ray disks for video playback
libbluray - Library to access Blu-Ray disks for video playback
libbluray - Library to access Blu-Ray disks for video playback
libbluray - Library to access Blu-Ray disks for video playback
libbluray - Library to access Blu-Ray disks for video playback
libbluray-bdj - BDJ support for libbluray
libbluray-bdj - BDJ support for libbluray
libbluray-devel - Development files for libbluray
libbluray-devel - Development files for libbluray
libbluray-devel - Development files for libbluray
libbluray-devel - Development files for libbluray
libbluray-devel - Development files for libbluray
libbluray-java - BDJ support for libbluray
libbluray-java - BDJ support for libbluray
libbluray-utils - Test utilities for libbluray
libbluray-utils - Test utilities for libbluray
serviio - A free media server

[steve at home-desktop ~]$ dnf info HandBrake-cli
Installed Packages
Name        : HandBrake-cli
Arch        : x86_64
Epoch       : 0
Version     : 0.9.9
Release     : 12.fc20
Size        : 1.4 M
Repo        : @System
Summary     : An open-source multiplatform video transcoder (CLI)
URL         : http://handbrake.fr/
License     : GPLv2+
Description : HandBrake is a general-purpose, free, open-source, 
cross-platform, multithreaded video transcoder software application. It 
can process most common multimedia files and any DVD or
             : Bluray sources that do not contain any kind of copy 
protection.  This package contains the command line version of the program.

[steve at home-desktop ~]$ dnf info serviio
Available Packages
Name        : serviio
Arch        : noarch
Epoch       : 0
Version     : 0.6.2
Release     : 22.3
Size        : 13 M
Repo        : rpm-sphere
Summary     : A free media server
URL         : http://www.serviio.org/
License     : Free to use
Description : It allows you to stream your media files (music, video or 
images) to renderer devices (e.g. a TV set, Bluray player, games console 
or mobile phone) on your connected home network.

regards,
Steve

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