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

[extrawurst via Digitalmars-d]

On Thursday, 26 March 2015 at 19:31:44 UTC, Gary Willoughby wrote:
> Now that we have a new D compiler version released how does the 
> D compiler on travis-ci.org get updated?
>
> I've recently fixed some issues (in my code) that were hampered 
> by a bug in the last version. Now that it's fixed the older 
> version on travis-ci.org is crashing because of it.
>
> I've raised an issue here:
> https://github.com/travis-ci/travis-ci/issues/3472

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
```