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Re: Octave wants to run startup configuration "wizard" in --no-gui mode

From: Stefan Mahr
Subject: Re: Octave wants to run startup configuration "wizard" in --no-gui mode
Date: Sat, 13 Jun 2015 16:14:29 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0

>>>>> I think there has been a subtle change in Octave --no-gui behavior in
>>>>> the past ten or twenty changesets that wants to run the "first time
>>>>> use"
>>>>> configuration wizard.  It may be this changeset:
>>>>> http://hg.savannah.gnu.org/hgweb/octave/rev/6fe746def1aa
>>>>> Also load settings and translations in --no-gui mode (bugs #44222 and
>>>>> #45199)
>>>> Thanks for pointing to it. I wondered why my PPA build did not work,
>>>> but
>>>> locally everything was fine.
>>>> Stefan
>>> Oups, I hadn't thought of this side effect. The configuration wizard
>>> is the
>>> only place where the user learns about where its settings will be
>>> stored.
>>> That's why I enabled it even in --no-gui where settings are now also
>>> used.
>>> On the other hand the only real configuration that this wizard currently
>>> proposes is whether to show the news window, which is not relevant in
>>> --no-gui mode.
>>> I'll disable the wizard, until we find another solution (e.g. a
>>> --no-wizard
>>> flag).
>>> Pantxo
>> IMHO the --no-gui option always implies a --no-wizard flag.
>> Stefan
> What if the wizard is ever used to configure settings that are also
> relevant in --no-gui mode (e.g. the language for the figure menus and
> tool-tips)?

I don't think many users that use the --no-gui option will care about
the language settings or tooltips, except they creating their own GUI
with qthandles. However, for getting language information on command
line, the common way is to check the environment variables.

> I attached a patch that I'll push on stable if no one opposes.
> Note however that the criteria to launch the wizard is the presence of
> an Octave settings file. I you first run --no-gui mode without a wizard,
> a settings file will be created anyway (because it is now needed).

Why is it needed? It was not needed before your change (6fe746def1aa). I
can't find any setting that could be useful in no-gui mode. There's not
even a language setting in the config file.


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