.travis.yml

# vim: nospell
language: minimal
sudo: false

cache:
  directories:
    - $HOME/.stack

matrix:
  include:
    - env: GHC=7.10.3 CABAL=1.22
      compiler: "GHC 7.10"
      addons:
        apt:
          sources:
            - hvr-ghc
          packages:
            - ghc-7.10.3
            - cabal-install-1.22
            - happy-1.19.5
            - alex-3.1.4

    - env: GHC=8.0.1 CABAL=1.24
      compiler: "GHC 8.0"
      addons:
        apt:
          sources:
            - hvr-ghc
          packages:
            - ghc-8.0.1
            - cabal-install-1.24
            - happy-1.19.5
            - alex-3.1.4

    - env: GHC=head CABAL=1.24
      compiler: "GHC HEAD"
      addons:
        apt:
          sources:
            - hvr-ghc
          packages:
            - ghc-head
            - cabal-install-1.24
            - happy-1.19.5
            - alex-3.1.4

  allow_failures:
    - env: GHC=head CABAL=1.24

  fast_finish: true


before_install:
  - export PATH=/opt/ghc/$GHC/bin:/opt/cabal/$CABAL/bin:/opt/alex/3.1.4/bin:/opt/happy/1.19.5/bin:$PATH

  # cabal
  - travis_retry cabal update
  - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config

  # stack
  - mkdir -p $HOME/bin
  - export PATH=$HOME/bin:$PATH
  - travis_retry curl -L "https://www.stackage.org/stack/linux-x86_64" | gunzip | tar -x
  - mv stack-*/stack $HOME/bin
  - if [ ${GHC} != head ]; then ln -s stack-${GHC%.*}.yaml stack.yaml; fi
  - pwd
  - ls -lh
  - travis_retry stack setup
  - travis_retry stack install hscolour

install:
  - echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
  - stack --version
  - cabal --version
  - opt --version; true
  - llc --version; true
  - |
      if [ ${GHC} != head ]; then
        travis_retry stack build --only-dependencies --no-terminal --no-haddock-deps -j2
      else
        travis_retry cabal install --only-dependencies --allow-newer
      fi
script:
  - |
      if [ ${GHC} != head ]; then
        stack test --no-terminal
      else
        cabal install --allow-newer
      fi