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Re: Octave & QtOctave

From: Alex Vong
Subject: Re: Octave & QtOctave
Date: Fri, 07 Dec 2018 01:50:43 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

Kei Kebreau <address@hidden> writes:

> Alex Vong <address@hidden> writes:
>> Kei Kebreau <address@hidden> writes:
>>> Alex Vong <address@hidden> writes:
>>>> Hello Kei,
>>>> Kei Kebreau <address@hidden> writes:
>>>> [...]
>>>>> Here are two tentative patches that make the changes we've discussed.
>>>>> Also, should we make a deprecated-package definition for qtoctave?
>>>> I think some additional changes related to "(assoc-ref inputs ..."
>>>> needed to be made. Otherwise, looks good to me! Here is a patch I made
>>>> earlier but it was not tested, feel free to cherry-pick what is needed:
>>>> From 2b04caa66c17da257dfb4f4ccb94e8d629b95e53 Mon Sep 17 00:00:00 2001
>>>> From: Alex Vong <address@hidden>
>>>> Date: Mon, 3 Dec 2018 03:39:40 +0800
>>>> Subject: [PATCH] gnu: Rename "octave" to "octave-cli" and "qtoctave" to
>>>>  "octave".
>>>> * gnu/packages/maths.scm (octave): Rename to octave-cli.
>>>> [name]: Change to "octave-cli".
>>>> (qtoctave): Rename to octave.
>>>> [name]: Change to "octave".
>>>> [inherit]: Inherit from octave-cli.
>>>> [source]: Likewise.
>>>> [inputs]: Likewise.
>>>> [native-inputs]: Likewise.
>>>> [arguments]: Likewise.
>>>> (flann): Update accordingly.
>>>> * gnu/packages/engineering.scm (qucs): Likewise.
>>>> (qucs-s): Likewise.
>>>> * gnu/packages/machine-learning.scm (shogun): Likewise.
>>> ...
>>>> -         ("octave" ,octave)
>>>> +         ("octave-cli" ,octave-cli)
>>> I see the main difference is that you've replace the package's
>>> associated string to "octave-cli" as well as the name, whereas I've only
>>> replaced the package name. Should I replace the associated package
>>> string, too?
>> According to the manual "6.7.2 Package Naming", the associated string is
>> used for package management commands such as 'guix package' and 'guix
>> build'. Therefore, I think we should change them as well, so that the
>> users can install the packages using the command
>> "guix package -i octave-cli" and "guix package -i octave"
>> respectively. What do you think?
> Maybe this is true when manipulating the package definition, but that
> doesn't seem to be the case in general. When I run
> "./pre-inst-env guix package --show=shogun", for example,
> "address@hidden" is listed as a dependency, even though "octave" is
> the associated name in shogun's input list.
> To be clear, I've changed the string for octave's and octave-cli's
> package name in their respective package definitions, but I haven't
> changed the string in the input lists of octave-cli's dependent
> packages.
> I'm inclined to follow convention when it comes to this, and other
> packages in input lists seem to omit extensions to the base name of the
> package in their assoc-lists. For example, ("gettext", gettext-minimal)
> and ("python", python-minimal-wrapper) are common inputs for packages.

I think you are right! This was a misunderstanding on my part. I thought
the association string in the input lists must be the same as the
package name, but appraently this is not the case.

Take gettext-minimal as an example,
its variable name is 'gettext-minimal',
its package name is "gettext-minimal",
but its input name is "gettext".

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