.travis.yml

sudo: false

# Do not choose a language; we provide our own build tools.
language: generic

env:
    - ENKI_PATH=$TRAVIS_BUILD_DIR/libraries/base

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

# Ensure necessary system libraries are present
addons:
  apt:
    packages:
      - libgmp-dev

before_install:
# Download and unpack the stack executable
- mkdir -p ~/.local/bin
- export PATH=$HOME/.local/bin:$PATH
- travis_retry curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
# Install prolog
- sudo apt-get -y install software-properties-common
- sudo apt-add-repository -y ppa:swi-prolog/stable
- sudo apt-get -y update
- sudo apt-get -y install swi-prolog

install:
# Build dependencies
- stack --no-terminal --install-ghc test --only-dependencies

script:
# Build the package, its tests, and its docs and run the tests
- stack --no-terminal test --haddock --no-haddock-deps