language: c

cache:
  directories:
    - $HOME/.cabal/packages
    - $HOME/.cabal/store
    - $TRAVIS_BUILD_DIR/dist-newstyle

before_cache:
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log
  # remove files that are regenerated by 'cabal update'
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.*
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/*.json
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.cache
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar
  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar.idx

  - rm -rfv $HOME/.cabal/packages/head.hackage

matrix:
  include:
    - compiler: "ghc-8.6.5"
      addons: {apt: {packages: [cabal-install-2.4,ghc-8.6.5], sources: [hvr-ghc]}}

before_install:
- mkdir -p $HOME/.local/bin
- curl -L -o /tmp/hlint.tar.gz "https://github.com/ndmitchell/hlint/releases/download/v2.2.3/hlint-2.2.3-x86_64-linux.tar.gz"
- tar -xf /tmp/hlint.tar.gz -C $HOME/.local/bin
- "PATH=/opt/ghc/bin:$HOME/local/bin:$PATH"
- ghc --version
- cabal --version
- hlint --version

install:
- cabal v2-update -v
- cabal v2-configure --enable-tests --enable-benchmarks --disable-optimization --write-ghc-environment-files=always --jobs=2
- cabal v2-build --only-dependencies

script:
- hlint src semantic-python
- cabal v2-build
- cabal v2-run semantic:test
- cabal v2-run semantic-core:test
- cabal v2-run semantic-python:test
- cabal v2-run semantic-source:test
- cabal v2-run semantic-source:doctest
# parse-examples is disabled because it slaughters our CI
# - cabal v2-run semantic:parse-examples

# Any branch linked with a pull request will be built, as well as the non-PR
# branches listed below:
branches:
  only:
    - master