.travis.yml

# Facebook projects that use `fbcode_builder` for continuous integration
# share this Travis configuration to run builds via Docker.

sudo: required

# Docker disables IPv6 in containers by default. Enable it for unit tests that need [::1].
before_script:
  # `daemon.json` is normally missing, but let's log it in case that changes.
  - sudo touch /etc/docker/daemon.json
  - sudo cat /etc/docker/daemon.json
  - sudo service docker stop
  # This needs YAML quoting because of the curly braces.
  - 'echo ''{"ipv6": true, "fixed-cidr-v6": "2001:db8:1::/64"}'' | sudo tee /etc/docker/daemon.json'
  - sudo service docker start
  # Fail early if docker failed on start -- add `- sudo dockerd` to debug.
  - sudo docker info
  # Paranoia log: what if our config got overwritten?
  - sudo cat /etc/docker/daemon.json

env:
  global:
    - travis_cache_dir=$HOME/travis_ccache
    # Travis times out after 50 minutes. Very generously leave 10 minutes
    # for setup (e.g.  cache download, compression, and upload), so we never
    # fail to cache the progress we made.
    - docker_build_timeout=40m

cache:
  # Our build caches can be 200-300MB, so increase the timeout to 7 minutes
  # to make sure we never fail to cache the progress we made.
  timeout: 420
  directories:
  - $HOME/travis_ccache  # see docker_build_with_ccache.sh

# Ugh, `services:` must be in the matrix, or we get `docker: command not found`
#   https://github.com/travis-ci/travis-ci/issues/5142
matrix:
  include:
    - env: ['os_image=ubuntu:14.04', gcc_version=4.9]
      services: [docker]
    # Unlike 14.04, this Debian Stable has 4.9 as the system compiler, so
    # there is no risk of 4.8/4.9 ABI incompatibilities.
    - env: ['os_image=debian:8.6', gcc_version=4.9]
      services: [docker]
    - env: ['os_image=ubuntu:16.04', gcc_version=5]
      services: [docker]

script:
  # Travis seems to get confused when `matrix:` is used with `language:`
  - sudo apt-get install python2.7
  # We don't want to write the script inline because of Travis kludginess --
  # it looks like it escapes " and \ in scripts when using `matrix:`.
  - ./build/fbcode_builder/travis_docker_build.sh

notifications:
  webhooks: https://code.facebook.com/travis/webhook/