bug#59678: [PATCH] sh-script: use completion-table-with-cache to improve performance

[Eli Zaretskii]

> Cc: Yikai Zhao <yikai@z1k.dev>
> From: yikai@z1k.dev
> Date: Tue, 29 Nov 2022 22:30:14 +0800
> 
> Hi,
> 
> I found that the auto-completion on .sh files (with company-mode) was pretty 
> slow (takes several seconds).
> It turns out that company-mode would call the capf function with 'metadata 
> action for each candidate,
> where each function call would need to list all the cmds. In this patch, I 
> modified the code to use
> completion-table-with-cache which fixes the problem for me.

Thanks, installed on the emacs-29 branch.

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