sudo: required

language: generic

services:
  - docker

before_install:
  - travis_retry sudo apt update -qq
  - travis_retry sudo apt install -qq --no-install-recommends python2.7 python3
  - sudo pip install tox>=2.0
  # https://github.com/travis-ci/travis-ci/issues/6069#issuecomment-266546552
  - git remote set-branches --add origin master
  - git fetch

before_script:
  # we want to fail fast on tox errors without having to `docker build` first
  - tox

script:
  # simply makes sure the Docker image builds and run
  - docker build --tag=buildozer .
  - docker run buildozer --version