generated completions don't pass shell check

[rauhul]

completions fail shell check with both warnings and errors

[rgoldberg]

@rauhul My existing local branch for #679 probably fixes all such issues. Can you delay working on this so I can see if I can easily I split out those changes?

[rauhul]

Sure, please check out #695 though, I'd like to merge that tomorrow if possible

[rgoldberg]

@rauhul I've started to make comments on the PR, but I'm not yet done. Are they visible to you?

Most are minor, but there is an issue with not outputting cases for arguments that don't have completions.

I don't have the ability to approve PRs, as I'm not a project member.

I'll need to rebase my #679 branch on the new main. I also need #707 to be merged, as I'm stuck using Swift 5.7.

Are you planning on modifying the completion code any more, besides for this issue?

[rgoldberg]

@rauhul Are you using anything besides shellcheck 0.10.0?

Obviously, that won't work for fish, and only partially works for zsh.

Do you want shellcheck failures in zsh scripts ignored via comments?