# Set-up
sudo: false

language: c

# Cache builds
cache:
  directories:
  - $HOME/.ghc
  - $HOME/.cabal
  - $HOME/.stack

# Goal: support latest 3 GHC major versions.
matrix:
  fast_finish: true
  include:
  - env: RESOLVER=lts-6 # GHC 7.10
    addons: {apt: {packages: [libgmp-dev]}}
  - env: RESOLVER=lts-9 # GHC 8.0
    addons: {apt: {packages: [libgmp-dev]}}
  # - env: RESOLVER= # GHC 8.2
  #   addons: {apt: {packages: [libgmp-dev]}}
  - env: RESOLVER=nightly
    addons: {apt: {packages: [libgmp-dev]}}
  allow_failures:
  - env: RESOLVER=nightly

# Download and unpack the stack executable
before_install:
- export PATH=/opt/ghc/$GHCVER/bin:$HOME/.local/bin:$PATH
- mkdir -p ~/.local/bin
- curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
- rm stack.yaml
- if [[ -e .travis/$RESOLVER.yaml ]]; then mv .travis/$RESOLVER.yaml stack.yaml; else stack init --resolver=$RESOLVER; fi
- stack setup

# Run tests
script:
- echo '# build' && echo -en 'travis_fold:start:script.stack-build\\r'
- stack build concurrency
- stack build dejafu
- stack build hunit-dejafu
- stack build tasty-dejafu
- stack build dejafu-tests
- echo -en 'travis_fold:end:script.stack-build\\r'

- echo '# weeder' && echo -en 'travis_fold:start:script.weeder\\r'
- curl -sL https://raw.github.com/ndmitchell/weeder/master/misc/travis.sh | sh -s .
- echo -en 'travis_fold:end:script.weeder\\r'

- echo '# hlint' && echo -en 'travis_fold:start:script.hlint\\r'
- curl -sL https://raw.github.com/ndmitchell/hlint/master/misc/travis.sh | sh -s concurrency
- curl -sL https://raw.github.com/ndmitchell/hlint/master/misc/travis.sh | sh -s dejafu
- curl -sL https://raw.github.com/ndmitchell/hlint/master/misc/travis.sh | sh -s hunit-dejafu
- curl -sL https://raw.github.com/ndmitchell/hlint/master/misc/travis.sh | sh -s tasty-dejafu
- echo -en 'travis_fold:end:script.hlint\\r'

- echo '# test' && echo -en 'travis_fold:start:script.stack-exec\\r'
- stack exec -- dejafu-tests --plain
- echo -en 'travis_fold:end:script.stack-exec\\r'