Re: [PATCH try2] completion: prompt: use generic colors

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On Wed, Mar 1, 2023 at 1:34 PM Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Felipe Contreras <felipe.contreras@xxxxxxxxx> writes:

> > We don't need bash to do this conversion, we can use \001 \002
> > ourselves, and then the prompt command mode is not necessary to display
> > colors.

> Comments from those who use colored prompt and who are familiar with
> the mechansim used to implement this?  As I do not use the feature
> at all and haven't been following it, seeing independent support
> would help the topic.

At least in try1 Justin Donnelly reported success [1].

And you don't need to use the feature to check that this patch
obviously works, it's easy to test. All you need to see the original
problem is a short (as in width) terminal, or a long enough typed line
(I type a lot of d's until surpassing the width).

This prompt should easily show the original problem:

PS1='\w (\e[31mfoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\e[m)
> '

With the marks proposed by the patch, the problem is gone:

PS1='\w (\001\e[31m\002foooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\001\e[m\002)
> '

Of course, in order to test, PROMPT_COMMAND shouldn't override PS1.

Cheers.

[1] https://lore.kernel.org/git/CAGTqyRzZ-cOp1C4f30fGFhjH1hh5U137=77pEHp_bmBzNcmTCw@xxxxxxxxxxxxxx/

-- 
Felipe Contreras




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