# Use new container infrastructure to enable caching
sudo: false

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

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

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

before_install:
# Download and unpack the stack executable
- mkdir -p ~/.local/bin
- export PATH=$HOME/.local/bin:$PATH
- travis_retry curl -L https://github.com/commercialhaskell/stack/releases/download/v0.1.6.0/stack-0.1.6.0-linux-x86_64.tar.gz | tar xz --strip-components=1 -C ~/.local/bin stack-0.1.6.0-linux-x86_64/stack

# 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:
# Avoid running out of memory on Travis
- stack $ARGS --no-terminal --install-ghc build haskell-src-exts
- stack $ARGS --no-terminal --install-ghc install hscolour
- stack $ARGS --no-terminal --install-ghc test --haddock --no-haddock-deps # --pedantic

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