bug#57673: [PATCH] Parse --help messages for pcomplete

[Lars Ingebrigtsen]

Augusto Stoffel <arstoffel@gmail.com> writes:

> Find attached a “worse is better” approach for pcomplete, where we parse
> help messages to generate a list of completions.

Hm, interesting.  Perhaps Stefan has comments here; added to the CCs.

> This is still a sketch.  I've added pcomplete functions for a random
> selection of commands to see if this works reasonably, and I think it
> probably does.  But in any case I don't think it would make sense to try
> and add completions as detailed as the ones bash provides; there is an
> awful lot of logic in the files under /usr/share/bash-completion and I
> don't think anyone would want to redo that work.

I'm wholly unfamiliar with how bash does completions.  But is there any
reasonable way to reuse the bash completion framework here?