---
# yamllint disable rule:line-length
sudo: required
services:
    - docker
language: generic
# Set up Docker caching per: https://github.com/travis-ci/travis-ci/issues/5358#issuecomment-248915326
before_cache:
    # Save tagged docker images
    - >
      mkdir -p $HOME/docker && docker images -a --filter='dangling=false' --format '{{.Repository}}:{{.Tag}} {{.ID}}'
      | xargs -n 2 -t sh -c 'test -e $HOME/docker/$1.tar.gz || docker save $0 | gzip -2 > $HOME/docker/$1.tar.gz'
before_install:
    # Load cached docker images
    - if [[ -d $HOME/docker ]]; then ls $HOME/docker/*.tar.gz | xargs -I {file} sh -c "zcat {file} | docker load"; fi
cache:
    bundler: true
    directories:
        - $HOME/docker
script: |
    ./run-tests