.travis.yml

sudo: required
# https://github.com/travis-ci/travis-ci/issues/5142
dist: trusty
group: edge
language: python

services:
  - docker

cache:
  directories:
  - $CACHE_DIR

env:
  global:
    - CACHE_DIR=$HOME/.cache/docker
    - CACHE_IMAGE=$CACHE_DIR/image.tar.gz

matrix:
  include:
    - env: TOXENV=py27
    - env: TOXENV=py35
    - env: TOXENV=doc
    - env: TOXENV=pep8py2
    - env: TOXENV=pep8py3

before_install:
  - find "${CACHE_DIR}" -mtime +7 -type f -delete
  - >
    if [ -f "${CACHE_IMAGE}" ]; then
        gunzip -c "${CACHE_IMAGE}" | docker load;
    fi

install:
  - mkdir -p $CACHE_DIR
  - >
    if [ ! -f "${CACHE_IMAGE}" ]; then
        docker build -t latchset/pyjose .travis/;
        docker save latchset/pyjose | gzip > ${CACHE_IMAGE};
    fi

script:
  - >
    docker run
    -v $(pwd):/tmp/build
    -w /tmp/build
    -e TOXENV=$TOXENV
    latchset/pyjose /bin/bash -ex .travis/run-tests