Who knows about https://github.com/D-Programming-Language/tools/blob/master/update.sh?

[Benjamin Thaut via Digitalmars-d]

Am 28.01.2015 um 19:52 schrieb Andrei Alexandrescu:
> On 1/28/15 10:46 AM, Benjamin Thaut wrote:
>> Same goes for the update.sh, why can't it be a D program? (Requiering
>> that Git is in the PATH or maybe searching some standard locations).
>
> Presumably because D is not yet available. -- Andrei

I think its safe to assume, that everyone who wants to start 
contributing to D has at least some D compiler installed before actually 
hacking druntime / phobos or dmd.