converting rmport to git

[Rene Ladan]

On Sun, Nov 29, 2020 at 10:12:21AM -0700, Adam Weinberger wrote:
> On Sun, Nov 29, 2020 at 9:47 AM Rene Ladan <rene at freebsd.org> wrote:
> >
> > Hello,
> >
> > I started converting some scripts in the port tree to git, and hit a design
> > decision with Tools/scripts/rmport.

I finished the draft for rmport today, I'll test it against the toy repo at
git at repo-dev.freebsd.org:ports.git tomorrow.

In short, I went for the temporary branch solution, squash-merging it back
to main. I also took advantage of `git grep` .

Regards,
René