Re: [PATCH v6 0/3] completion: sparse-checkout updates

>
> This change updates custom tab completion for the sparse-checkout command.
> Specifically, it corrects the following issues with the current method:
>
>  1. git sparse-checkout <TAB> results in an incomplete list of subcommands
>     (it is missing reapply and add).
>  2. Options for subcommands are not tab-completable.
>  3. git sparse-checkout set <TAB> and git sparse-checkout add <TAB> show
>     both file names and directory names. While this may be a less surprising
>     behavior for non-cone mode, we want to only show directories in cone
>     mode.
>
> The first commit in this series is an intermediate step that fixes issues 1
> and 2 above and introduces a simple fix for issue 3 with some performance
> and unusual character-related caveats. The next commit adds a new
> __gitcomp_directories method that fixes the performance-related caveat from
> the first commit by completing just a single level of directories. The final
> commit modifies __gitcomp_directories to handle unusual characters in
> directory names.
>
>
> Changes since V5
> ================
>
>  * Fix incorrect conditional that was causing failure of non-cone mode test
>    (and causing 'seen' CI to fail).
>  * Remove __git_comp_directories indentation changes between the second and
>    third commits.