.travis.yml

---
# Use new container infrastructure to enable caching
sudo: false

# Python for easy testing of python version
language: python

matrix:
  include:
    # Tested and fails: python <= 2.6.x, python <= 3.1.x
    # Tested to work but not in this matrix: 3.2.6, 3.3.7
    - env: ARGS="python"
      python: "2.7"
    - env: ARGS="python"
      python: "3.4"
    - env: ARGS="python"
      python: "3.5"
    - env: ARGS="python"
      python: "3.6"

    # The different haskell configurations to test.
    # You could also do things like change flags or
    # use --stack-yaml to point to a different file.
    - env: ARGS=""
      python: "2.7"
    - env: ARGS="--resolver lts-2"
      python: "2.7"
    - env: ARGS="--resolver lts-3"
      python: "2.7"
    - env: ARGS="--resolver lts"
      python: "2.7"
    - env: ARGS="--resolver nightly"
      python: "2.7"

# # GHC depends on GMP. You can add other dependencies here as well.
addons:
  apt:
    packages:
      - libgmp-dev

# Download and unpack the stack executable for haskell, else pip deps.
install:
  - if [ "$ARGS" = "python" ]; then
      pip install tox;
    else
      mkdir -p ~/.local/bin;
      export PATH=$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';
    fi

# This line does all of the work: installs GHC if necessary, build the library,
# executables, and test suites, and runs the test suites. --no-terminal works
# around some quirks in Travis's terminal implementation.
script:
  - if [ "$ARGS" = "python" ]; then
      tox;
    else
      stack $ARGS --no-terminal --install-ghc test --haddock;
    fi

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