sudo: false

cache:
  apt: true
  directories:
  - $HOME/.cache/pip
  - $HOME/.ccache
  - $HOME/.pip-cache
dist: trusty
language: python
env:
  TOX_PARALLEL_NO_SPINNER: 1


matrix:
  include:
    - python: '3.6'
      env: TOXENV="flake8,flake8-docs"

    - python: '3.8'
      env:
        - TOXENV="py38-linux"
      dist: bionic

    - python: '3.7'
      env:
        - TOXENV="py37-linux"
      # The following two lines used to be necessary because Travis left files lying around in ~/.aws/,
      # messing up our tests. Now fixed since https://github.com/travis-ci/travis-ci/issues/7940
        # - BOTO_CONFIG="/dev/null"
      #sudo: true
      dist: xenial

    - python: '3.6'
      env: TOXENV="py36-linux"

    - python: '2.7'
      env: TOXENV="py27-linux"


install:
  - pip install tox
  - sudo apt-get install -y gdb


before_script:
  - ulimit -c unlimited -S  # enable core dumps


script: tox -vv


after_failure:
  - pwd
  - COREFILE=$(find . -maxdepth 1 -name "core*" | head -n 1)
  - if [[ -f "$COREFILE" ]]; then EXECFILE=$(gdb -c "$COREFILE" -batch | grep "Core was generated" | tr -d "\`" | cut -d' ' -f5); file "$COREFILE"; gdb -c "$COREFILE" "$EXECFILE" -x continuous_integration/debug.gdb -batch; fi