language: generic
sudo: required

scripts:
  - &opam
    before_install:
      - |
        if [ "$TRAVIS_EVENT_TYPE" == cron ]
        then
          rm -rf ~/.opam ./_opam ./_cache
        fi

    install:
      - |
        if [ "$TIDY" == YES ]
        then
          sudo add-apt-repository -y ppa:robert7/tidy-html5
          sudo apt-get update
          sudo apt-get install tidy
          tidy --version
        fi
      - OPAM_RELEASES=https://github.com/ocaml/opam/releases/
      - OPAM_VERSION=2.0.5
      - |
        case $TRAVIS_OS_NAME in
        "linux") OPAM_OS=linux;;
          "osx") OPAM_OS=macos;;
              *) echo Unsupported system $TRAVIS_OS_NAME; exit 1;;
        esac
      - OPAM_PKG=opam-${OPAM_VERSION}-x86_64-${OPAM_OS}
      - wget ${OPAM_RELEASES}/download/${OPAM_VERSION}/${OPAM_PKG}
      - sudo mv ${OPAM_PKG} /usr/local/bin/opam
      - sudo chmod a+x /usr/local/bin/opam
      - opam init -y --bare --disable-sandboxing
      - |
        if [ ! -d _opam/bin ]
        then
            rm -rf _opam
            opam switch create . $OCAML $REPOSITORIES --no-install
        fi
      - eval `opam env`
      - opam install -y --deps-only .
      - opam --version
      - ocaml -version

    before_script:
      - rm -rf ./_build/default/test/html/_scratch

    script:
      - |
        if [ -d _cache/_build ]
        then
          cp -r _cache/_build .
        fi
      - make test
      - make docs
      - |
        if [ ! -d _cache/_build ]
        then
          cp -r _build _cache
        fi

    before_cache:
      - opam clean
      - rm -rf /home/travis/build/ocaml/odoc/_opam/.opam-switch/sources/odoc

  - &esy
    before_install:
      - |
        if [ "$TRAVIS_EVENT_TYPE" == cron ]
        then
          rm -rf ~/.esy ./_cache
        fi

    install:
      - npm --global install esy@0.5.x
      - $(npm bin --global)/esy --version
      - ESY=$(npm bin --global)/esy
      - $ESY install --verbose

    script:
      - |
        if [ -d _cache/_build ]
        then
          cp -r _cache/_build .
        fi
      - $ESY build --verbose
      - $ESY make test
      - |
        if [ ! -d _cache/_build ]
        then
          cp -r _build _cache
        fi

matrix:
  include:
    - <<: *esy
      os: osx
      env: ESY_BUILD=YES ESY__CACHE=/home/travis/.esy
    - <<: *esy
      os : linux
      env: ESY_BUILD=YES ESY__CACHE=/home/travis/.esy
    - <<: *opam
      os: osx
      env: OCAML=4.08.1
    - <<: *opam
      os: linux
      env: OCAML=4.11.0+trunk REPOSITORIES="--repo=default,beta=git://github.com/ocaml/ocaml-beta-repository.git"
    - <<: *opam
      os: linux
      env: OCAML=4.10.0
    - <<: *opam
      os: linux
      env: OCAML=4.09.0 TIDY=YES
    - <<: *opam
      os: linux
      env: OCAML=4.07.1
    - <<: *opam
      os: linux
      env: OCAML=4.06.1
    - <<: *opam
      os: linux
      env: OCAML=4.05.0
    - <<: *opam
      os: linux
      env: OCAML=4.04.2
    - <<: *opam
      os: linux
      env: OCAML=4.03.0
    - <<: *opam
      os: linux
      env: OCAML=4.02.3

  fast_finish: true

cache:
  directories:
    - $HOME/.opam
    - $HOME/.esy
    - $HOME/.nvm
    - ./_opam
    - ./_cache

notifications:
  email:
    on_success: always
    on_failure: always