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#78304
31.0.50; Support --early-eval on the command line
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Eli Zaretskii <eliz <at> gnu.org> writes:
>> From: Spencer Baugh <sbaugh <at> janestreet.com>
>> Cc: 78304 <at> debbugs.gnu.org
>> Date: Thu, 15 May 2025 09:41:31 -0400
>>
>> Eli Zaretskii <eliz <at> gnu.org> writes:
>>
>> >> From: Spencer Baugh <sbaugh <at> janestreet.com>
>> >> Cc: 78304 <at> debbugs.gnu.org
>> >> Date: Wed, 14 May 2025 13:56:08 -0400
>> >>
>> >> - I want to run with -q for the usual reasons of ignoring the user's
>> >> early-init.el and init.el.
>> >>
>> >> - While running with -q, I want to do things which can only be done with
>> >> early-init.el, like configuring package initialization,
>> >> load-path-filter-function, or the initial frame parameters.
>> >
>> > Why do you want to do that under -q?
>>
>> Two concrete use cases:
>>
>> - Since load-path-filter-function speeds up all subsequent loads, it
>> needs to be set at early-init.el time to have maximum effect, but I
>> want to also be able to use it and test it with emacs -q.
>
> Since early-init.el is not supposed to load anything, only set up some
> variables, I don't understand why you insist on doing this in
> early-init. The site-start file is loaded right after early-init.el,
> so if you set that up at the very beginning of site-start file, it
> will have the same effect.
That is not the case: Many things happen, including loading of files,
between site-start and early-init. Package initialization and initial
frame setup, for example.
>> - Context: I'm developing some scripts to run Emacs in a simple
>> reduced-functionality mode, which provide access to just one buffer
>> running in a specific major mode, with the goal of making Emacs
>> features accessible to users who don't currently use Emacs. For
>> example, vc-dir is generally useful, so a script to open Emacs running
>> vc-dir on its own. (These scripts are similar to things like
>> https://github.com/maio/smagit and
>> https://github.com/alphapapa/magit.sh )
>>
>> These scripts run with -q, but I need to be able to configure things
>> about the initial frame, which can only be done with early-init.el.
>
> Same question here: why cannot this be done in site-start file? IMO,
> it is even cleaner, because it doesn't require each user to do the
> same in their early-init files; instead, you will do that only once
> for all of them.
Because initial frame setup happens before site-start is loaded.
This bug report was last modified 30 days ago.
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