.travis.yml

language: c
sudo: false
# Setting up caches
cache:
  directories:
    - $HOME/.cabal/packages
    - $HOME/.cabal/store

before_cache:
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log
  # remove files that are regenerated by 'cabal update'
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.*
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/*.json
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.cache
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar.idx
  - rm -rfv $HOME/.cabal/packages/head.hackage

matrix:
  fast_finish: true
  include:
     # Lint the code.
    - compiler: hlint
      addons: {apt: {packages: [curl], sources: [hvr-ghc]}}

    - compiler: ghc-8.4.4
      addons: {apt: {packages: [cabal-install-3.0 ,ghc-8.4.4], sources: [hvr-ghc]}}

    - compiler: ghc-8.6.5
      addons: {apt: {packages: [cabal-install-3.0 ,ghc-8.6.5], sources: [hvr-ghc]}}

    - compiler: ghc-8.8.1
      addons: {apt: {packages: [cabal-install-3.0 ,ghc-8.8.1], sources: [hvr-ghc]}}

    - compiler: ghc-8.10.2
      addons: {apt: {packages: [cabal-install-3.2 ,ghc-8.10.2], sources: [hvr-ghc]}}

    - compiler: ghc-head
      addons: {apt: {packages: [cabal-install-head ,ghc-head], sources: [hvr-ghc]}}

    - os: osx
      compiler: ghc

  allow_failures:
    - compiler: ghc-head

before_install:
  - uname -a
  - if [ "$CC" == "hlint" ]; then
      unset CC;
      curl -sSL https://raw.github.com/ndmitchell/hlint/master/misc/run.sh | sh -s .;
      exit $?;
   fi
  - export PATH=/opt/ghc/bin:$PATH;
  - unset CC
  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update; fi
  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install ghc cabal-install; fi
  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew info ghc cabal-install; fi


install:
 - ghc   --version
 - cabal --version
 - travis_retry cabal update;

script:
  - cabal new-configure --enable-tests --enable-benchmarks
  - cabal new-build
  - cabal new-test
  - cabal check

after_success:
  - echo "All is well."
after_failure:
  - echo "Build failed."

branches:
  only:
    - master
    - v0.2.0.0