sudo: required
dist: trusty
language: generic
services:
  - docker
cache:
  pip: true
env:
  global:
    - USE_CONTAINER=docker
matrix:
  include:
    - os: linux
      env: ZSH_VERSION=zsh-5.7
    - os: linux
      env: ZSH_VERSION=zsh-5.6
    - os: linux
      env: ZSH_VERSION=zsh-5.5
    - os: linux
      env: ZSH_VERSION=zsh-5.4.2
    - os: linux
      env: ZSH_VERSION=zsh-5.4.1
    - os: linux
      env: ZSH_VERSION=zsh-5.4
    - os: linux
      env: ZSH_VERSION=zsh-5.3.1
    - os: linux
      env: ZSH_VERSION=zsh-5.3
    - os: linux
      env: ZSH_VERSION=zsh-5.2
    - os: linux
      env: ZSH_VERSION=zsh-5.1.1
    - os: linux
      env: ZSH_VERSION=zsh-5.0.0
    - os: linux
      env: ZSH_VERSION=zsh-4.3.17
    - os: linux
      env: ZSH_VERSION=zsh-4.3.11
notifications:
  webhooks:
    urls:
      - "https://webhooks.gitter.im/e/30fdb3abe241aa03af20"
    on_success: always
    on_failure: always
    on_start: always
script:
  - if [ $TRAVIS_OS_NAME == 'osx' ]; then brew install zsh; pip install cram; fi
  - make info tests stats USE_CONTAINER=$USE_CONTAINER

  # Ensure the checked-in build matches the build produced in CI. Since the CI
  # will run this on both OS X and Linux, the two platforms must also produce
  # the same build, else one of them will fail.
  - SHASUM=$(shasum -a 256 ./bin/antigen.zsh)
  - VERSION=$(cat ./VERSION) make USE_CONTAINER=$USE_CONTAINER
  - SHACHECK=$(shasum -a 256 ./bin/antigen.zsh)

  - echo -e "$SHASUM\n$SHACHECK"
  - test "$SHASUM" == "$SHACHECK"