github/linguist — pull request #131 by carlosgaldino (2012-02-29 22:07:31+00:00)
Title: Detect Elixir code (http://elixir-lang.org/)

Elixir is a programming language built on top of the Erlang VM. As Erlang, it is a functional language built to support distributed, fault-tolerant, non-stop applications with hot code swapping.

Learn more at: http://elixir-lang.org/

The lexer is already on pygments:
https://bitbucket.org/birkenfeld/pygments-main/pull-request/57/add-elixir-and-elixir-console-lexers

/cc @josevalim