.travis.yml

# Use new container infrastructure to enable caching
sudo: false

# Choose a lightweight base image; we provide our own build tools.
language: c

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

# The different configurations we want to test. We have BUILD=cabal which uses
# cabal-install, and BUILD=stack which uses Stack. More documentation on each
# of those below.
#
# We set the compiler values here to tell Travis to use a different
# cache file per set of arguments.
#
# If you need to have different apt packages for each combination in the
# matrix, you can use a line such as:
#     addons: {apt: {packages: [libfcgi-dev,libgmp-dev]}}
matrix:
  include:
  # The Stack builds. We can pass in arbitrary Stack arguments via the ARGS
  # variable, such as using --stack-yaml to point to a different file.
  - env: 
      - BUILD=stack 
      - BUILD_ARGS="--no-terminal --test --no-run-tests --bench --no-run-benchmarks"
      - DOC_ARGS="--haddock --no-haddock-deps"
      - TEST_ARGS="--no-terminal --coverage"
    compiler: ": #stack default"
    if: type IN (push, pull_request)
  - env: 
      - BUILD=stack 
      - BUILD_ARGS="--no-terminal --test --no-run-tests --bench --no-run-benchmarks"
      - DOC_ARGS=""
      - TEST_ARGS=""
    compiler: ": #stack nightly"
    if: type = cron

before_install:
  # Using compiler above sets CC to an invalid value, so unset it
  - unset CC

  # Download and unpack the stack executable
  - mkdir -p ~/.local/bin
  - travis_retry curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'

install:
  # Install all dependecies of Haskell-tools, including test requirements
  - travis_wait 30 stack --install-ghc build $BUILD_ARGS $DOC_ARGS --only-dependencies

script:

  # Build Haskell-tools with all library, executable, test and benchmark
  - travis_wait 30 stack build $BUILD_ARGS $DOC_ARGS

  # Check that the source distribution can be created
  - stack sdist
  
  # Run tests. We record test coverage information. We need to perform all of them at once to create the unified coverage reports.
  # Disabled on nightly builds (done when checking the distribution zips anyway).
  # On nightly build run the script to run self-test and test package distributions.
  - |
    if [ "$TRAVIS_EVENT_TYPE" != "cron" ]; then
      travis_wait 30 stack test $TEST_ARGS $DOC_ARGS haskell-tools-rewrite haskell-tools-builtin-refactorings haskell-tools-experimental-refactorings haskell-tools-daemon haskell-tools-cli haskell-tools-demo
    else
      bash ./daily.sh
    fi

after_script:
  # Run benchmarks. Need to uninstall first to run this without coverage reporting, so the result will be more accurate.
  - |
    if [ "$TRAVIS_EVENT_TYPE" = "cron" ];
    then
      travis_wait 20 stack $ARGS bench haskell-tools-cli > benchmark.txt 2>&1
    fi
  # Publish API, coverage and benchmark data to our site
  - bash ./deploy.sh