sudo: false

env:
#  - GHCVER=7.8.4 STACK_YAML=stack.yaml
  - GHCVER=7.10.1 STACK_YAML=stack.yaml

install:
 # ghc
 - export PATH=/opt/ghc/$GHCVER/bin:$PATH
 # stack
 - mkdir -p ~/.local/bin
 - export PATH=~/.local/bin:$PATH
 - travis_retry curl -L https://github.com/commercialhaskell/stack/releases/download/v0.1.2.0/stack-0.1.2.0-x86_64-linux.gz | gunzip > ~/.local/bin/stack
 - chmod a+x ~/.local/bin/stack

script:
 - stack build
 - stack test

addons:
  apt:
    sources:
    - hvr-ghc
    packages:
    - ghc-7.8.4
    - ghc-7.10.1