D-Day for DMD is today!

[Nick Sabalausky via Digitalmars-d-announce]

On 08/23/2015 01:37 AM, Martin Nowak wrote:
> On 08/23/2015 07:22 AM, Rikki Cattermole wrote:
>> Now lets hope the next stage is smooth in the transition.
>
> Here is a small guide on how to update a PR.
> https://github.com/D-Programming-Language/dmd/pull/4922#issuecomment-133776696
>

"# convert all commits using magicport"

I haven't worked with the conversion tool before. How is this part done?