.travis.yml

# Use new container infrastructure to enable caching
sudo: false

# Choose a lightweight base image; we provide our own build tools.
language: c
compiler: gcc

# Caching so the next build will be fast too.
cache:
  directories:
  - $HOME/.stack
  timeout: 300

matrix:
  include:
  # The Stack builds. We can pass in arbitrary Stack arguments via the ARGS
  # variable, such as using --stack-yaml to point to a different file.
  - env: ARGS="--resolver lts"

  - env: ARGS="--resolver lts-9.13"

  # Nightly builds are allowed to fail
  - env: ARGS="--resolver nightly"

  # Build on OS X in addition to Linux
  - env: ARGS="--resolver lts"
    os: osx

  - env: ARGS="--resolver lts-9.13"
    os: osx

  - env: ARGS="--resolver nightly"
    os: osx

  allow_failures:
  - env: ARGS="--resolver nightly"

before_install:
# Download and unpack the stack executable
- mkdir -p ~/.local/bin
- |
  if [ `uname` = "Darwin" ]
  then
    travis_retry curl --insecure -L https://www.stackage.org/stack/osx-x86_64 \
      | tar xz --strip-components=1 --include '*/stack' -C ~/.local/bin
  else
    travis_retry curl -L https://www.stackage.org/stack/linux-x86_64 \
      | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
  fi

install:
- travis_retry stack --no-terminal --install-ghc $ARGS test --only-dependencies

script:
- stack --no-terminal $ARGS test --no-run-benchmarks --haddock --no-haddock-deps