sudo: required
services:
 - docker

cache:
  directories:
    - .cabal
    - .ghc

env:
# - CABALVER=1.24 GHCVER=7.10.3 OSVER=xenial
 - CABALVER=1.24 GHCVER=8.0.1 OSVER=xenial
 - CABALVER=1.24 GHCVER=8.0.2 OSVER=xenial
 - CABALVER=1.24 GHCVER=7.10.3 OSVER=trusty
 - CABALVER=1.24 GHCVER=8.0.1 OSVER=trusty
 - CABALVER=1.24 GHCVER=8.0.2 OSVER=trusty

before_install:
 - docker build -t ghc -f travis/$OSVER.Dockerfile travis

script:
 - docker run -v `pwd`:/build ghc
   sh -x -c "
      apt-get install -y cabal-install-$CABALVER ghc-$GHCVER &&
      export PATH=\$HOME/.cabal/bin:/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:/opt/alex/3.1.7/bin:/opt/happy/1.19.5/bin:\$PATH &&
      ./travis/build.sh"
notifications:
  irc:
    channels: "irc.freenode.net#ghcjs"
    skip_join: true
  email: true