.travis.yml

sudo: true
language: minimal

git:
  depth: 5

cache:
  directories:
  - "$HOME/.cabal"
  - "$HOME/.stack"
  - "$TRAVIS_BUILD_DIR/.stack-work"

matrix:
  include:

  - name: "Cabal GHC-8.0.1"
    env: BUILD=cabal
    addons: {apt: {packages: [cabal-install-2.2,ghc-8.0.1], sources: [hvr-ghc]}}

  - name: "Cabal GHC-8.2.2"
    env: BUILD=cabal
    addons: {apt: {packages: [cabal-install-2.2,ghc-8.2.2], sources: [hvr-ghc]}}

  - name: "Cabal GHC-8.4.4"
    env: BUILD=cabal
    addons: {apt: {packages: [cabal-install-2.2,ghc-8.4.4], sources: [hvr-ghc]}}

  - name: "Cabal GHC-8.6.3"
    env: BUILD=cabal
    addons: {apt: {packages: [cabal-install-2.2,ghc-8.6.3], sources: [hvr-ghc]}}

  - name: "Cabal GHC-HEAD"
    env: BUILD=cabal CABALARGS=--allow-newer
    addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}}

  - name: "Stack LTS-9 (GHC-8.0.2)"
    env: BUILD=stack RESOLVER=lts-9

  - name: "Stack LTS-11 (GHC-8.2.2)"
    env: BUILD=stack RESOLVER=lts-11

  - name: "Stack LTS-12 (GHC-8.4.4)"
    env: BUILD=stack RESOLVER=lts-12

  - name: "Stack Nightly"
    env: BUILD=stack RESOLVER=nightly

  - name: "Stack LTS-12 (GHC-8.4.4) [OSX]"
    env: BUILD=stack RESOLVER=lts-12
    os: osx

  allow_failures:
  - name: "Cabal GHC-HEAD"
  - name: "Stack Nightly"

install:
  - |
    if [ $BUILD = cabal ]; then
      export PATH="/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH"

      cabal --version
      ghc --version
      cabal new-update
      cabal new-build all --only-dependencies $CABALARGS
    else
      mkdir -p ~/.local/bin
      export PATH="$HOME/.local/bin:$PATH"

      # install stack
      curl -L "https://www.stackage.org/stack/${TRAVIS_OS_NAME}-x86_64" | tar xz --strip-components=1 -C ~/.local/bin/

      # build project with stack
      if [ -n "$RESOLVER" ]; then
        ARGS="--resolver $RESOLVER"
      fi
      stack --version
      stack $ARGS --no-terminal setup
      stack $ARGS ghc -- --version
      stack $ARGS --no-terminal build --test --bench --only-dependencies
    fi

script:
  - |
    if [ $BUILD = cabal ]; then
      cabal new-build all $CABALARGS
    else
      if [ -n "$RESOLVER" ]; then
        ARGS="--resolver $RESOLVER"
      fi
      stack $ARGS --no-terminal build --test --bench --no-run-benchmarks --haddock --no-haddock-deps
    fi