bug#60338: [PATCH] Add option to present server changes as diffs

[Philip Kaludercic]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Philip Kaludercic <philipk@posteo.net>
>> Cc: 60338@debbugs.gnu.org,  joaotavora@gmail.com
>> Date: Mon, 12 Jun 2023 13:29:21 +0000
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> >> From: Philip Kaludercic <philipk@posteo.net>
>> >> Cc: 60338@debbugs.gnu.org,  joaotavora@gmail.com
>> >> Date: Mon, 12 Jun 2023 12:35:09 +0000
>> >> 
>> >> Eli Zaretskii <eliz@gnu.org> writes:
>> >> 
>> >> > Isn't there a better way of presenting the edits in human-readable
>> >> > form than apply them and then run Diff?  What format is used by the
>> >> > server itself to send the edits?
>> >> 
>> >> The server sends a JSON message.  Here is an example from a little toy
>> >> project of mine in C, where I intentionally uncommented a #include
>> >> directive:
>> >
>> > And we cannot generate the Diff format from this?
>> 
>> Certainly we /could/, but I don't think that would be worth the effort
>> to generate a proper diff manually.
>
> It doesn't necessarily have to be the full-fledged diffs, it could be
> something approximate.  After all, this is for human consumption.

Not really, the point is that you can apply these diffs directly.  Also,
I would not say that diffs are not for human consumption.

>> > What do we suggest to people who don't have Diff, though?  Nothing?
>> 
>> They still have two different options for
>> `eglot-confirm-server-initiated-edits', 'confirm (the default) and nil.
>> This is the current state.
>
> IOW, we offer them nothing for this feature.

In the sense of a preview?  Yes, but I would still argue, that that
would be a different feature.  I can take a look at that as well, but I
know of at least a few people who would be explicitly interested in this
kind of a user interface.

> Look, I cannot force you to do anything else, if you don't feel like
> it, but I don't like this solution, and think we should try harder.  I
> urge you to try to find some way of presenting the edits in
> human-readable form that doesn't need running Diff.

I respect your perspective, so I don't want to insist on anything
against your or Joao's will.

> Thanks in advance.