this post was submitted on 22 Oct 2023
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Why doesn't vertico-repeat support execute-exetended-command by default? (alien.top)
submitted 1 year ago by zzhjerry@alien.top to c/emacs
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I hope every completion done inside minibuffer is repeatable by vertico-repeat, including commands invoked by M-x. Vertico, however, didn't include execute-extended-command as a repeatable session by default. You can be seen it by examining vertico-repeat-filter variable. So I have to customize it like this in Doom Emacs:


(after! vertico-repeat
  (setq vertico-repeat-filter (remove 'execute-extended-command vertico-repeat-filter)))

The question is execute-extended-command seems to be a reasonable default completing session, why does vertico excludes it?

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[–] minad-emacs@alien.top 1 points 1 year ago (1 children)

One should also mention the relatively new vertico-suspend command. It takes a different approach via recursive minibuffers, but has its own limitations.

I would guess that vertico is not always able to repeat extended commands properly and so they are disabled by default.

No, see my other answer.

Unfortunately, if you must have such a feature in full generality, I'd recommend that you use helm or ivy instead.

Ivy and Helm do not support repeating arbitrary completion sessions in full generality - because it is hardly possible. Only the state of commands which go through the ivy-read or helm API can be fully reconstructed.

[–] Qudit314159@alien.top 1 points 1 year ago (1 children)

Ivy and Helm do not support repeating arbitrary completion sessions in full generality - because it is hardly possible. Only the state of commands which go through the ivy-read or helm API can be fully reconstructed.

They do for commands that are defined with the ivy and helm framework. The downside of course is that everything has to be rewritten using their frameworks in order to have first class support. This is also necessary if you want other features such as actions and is one of the biggest disadvantages of using them.

[–] minad-emacs@alien.top 1 points 1 year ago

They do for commands that are defined with the ivy and helm framework. The downside of course is that everything has to be rewritten using their frameworks in order to have first class support.

Yes, exactly.

This is also necessary if you want other features such as actions...

No this is not necessary. Embark supports actions for commands based on completing-read.