.travis.yml

language: c
sudo: false

env:
  - STACK_YAML=stack-lts-9.yaml     UPDATE_NIGHTLY=NO
  - STACK_YAML=stack-lts-11.yaml    UPDATE_NIGHTLY=NO
  - STACK_YAML=stack-lts-12.14.yaml UPDATE_NIGHTLY=NO
  - STACK_YAML=stack-lts-12.26.yaml UPDATE_NIGHTLY=NO
  - STACK_YAML=stack-lts-13.11.yaml UPDATE_NIGHTLY=NO
  - STACK_YAML=stack-lts-13.19.yaml UPDATE_NIGHTLY=NO
  - STACK_YAML=stack-lts-14.yaml    UPDATE_NIGHTLY=NO
  - STACK_YAML=stack-lts-15.3.yaml  UPDATE_NIGHTLY=NO
  - STACK_YAML=stack.yaml           UPDATE_NIGHTLY=NO
  - STACK_YAML=stack-nightly.yaml   UPDATE_NIGHTLY=YES

addons:
  apt:
    packages:
      - libgmp-dev

matrix:
  allow_failures:
    - env: STACK_YAML=stack-nightly.yaml UPDATE_NIGHTLY=YES

cache:
  directories:
    - $HOME/.stack/

before_install:
  - mkdir -p ~/.local/bin
  - export PATH=~/.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:
  - ./tools/update_nightly.sh
  - stack setup --no-terminal
  - stack ghc -- --version

script:
  - LC_CTYPE=posix stack --no-terminal test