How does the D compiler get updated on travis-ci.org?

[Alex Parrill via Digitalmars-d]

On Thursday, 26 March 2015 at 20:40:50 UTC, Gary Willoughby wrote:
> On Thursday, 26 March 2015 at 19:37:06 UTC, extrawurst wrote:
>> i think it is already available on travis. this it what works 
>> for me:
>> https://github.com/Extrawurst/unecht/blob/master/.travis.yml
>>
>> ```
>> language: d
>>
>> d:
>>  - dmd-2.067.0
>> ```
>
> I'm just using:
>
> language: d
>
> I hoped this would pick up the latest version.

 From the source [1], looks like its harcoded to default to 
2.066.1.

[1] 
https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/script/d.rb