bug#32549: Allow passing custom options to vc-git-grep

[Noam Postavsky]

Federico Tedin <federicotedin@gmail.com> writes:

> I'm wondering how I would set my custom arguments when the vc-git-grep
> function is called from another function. For example, the projectile
> package defines projectile-grep, which eventually calls rgrep or
> vc-git-grep [1] (depending on the user's choice).

It looks like you'd have to do

    (let ((current-prefix-arg '(4)))
      (vc-git-grep ...))