bug#39452: bug#50422: 28.0.50; vc-git-checkout: accept nil as first argument

[Dmitry Gutov]

Hi Tino,

On 06.09.2021 10:11, Tino Calancha wrote:
> X-Debbugs-Cc:39452@debbugs.gnu.org
>
> Before the fix from bug#39452, the following was a valid call:
>
> (vc-git-checkout nil "master")
>
> Note that `vc-git-command' handles a nil 3rd argument.
> (I rely in such a behavior).
>
> Since we call now `vc-git--literal-pathspec' in several commands, then
> we could add a check at the beginning of this function:

Yes, I broke this with the most recent fix in that area. Sorry.

Should be fixed now with commit ff2c4a8353.