language: nix

nix: 2.2.1

matrix:
  include:
  - name: nixos-unstable
    env: NIX_PATH=nixpkgs=channel:nixos-unstable IMAGE_TAG=latest
  - name: nixos-18.09
    env: NIX_PATH=nixpkgs=channel:nixos-18.09 IMAGE_TAG=nixos-18.09

script:
  - nix-shell --run ./.travis.sh