bug#38615: 27.0.50; vc-git: Wrong status in vc-dir after registering directory

[Dmitry Gutov]

Hi Andrii,

On 14.12.2019 14:41, Andrii Kolomoiets wrote:
> 0. mkdir test && cd test
>     git init
>     touch file
>     git add file
>     git commit -m "initial"
>     mkdir dir
>     touch dir/file1
> 1. emacs -Q
> 2. C-x v d
>     "dir/" is listed with "unregistered" status.
> 3. v
>     "dir/" has "added" status.
> 4. g
>     "dir/file1" is listed with "up-to-date" status.  Shouldn't it have
>     "added" status?
> 5. g
>     Now "dir/file1" properly has "added" status.
>
> Also:
> - After step 3 point is moved to word "dir" on second line.
> - Press "n" before step 3 to move point to "dir/". After step 3 "dir/"
>    status is not updated and remains "unregistered".

Thanks for the repro. This problem seems to have been with us for a while.

vc-git's dir-status-files code is a bit hard to follow, but here's a 
patch you can try. I'll commit it in the next few days if nothing comes up.

vc-git-dir-status-files+added.diff
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