env:
  - lower_bound_dependencies=1 
    ghc=7.6.1
  - lower_bound_dependencies=1 
    ghc=7.8.1
  - ghc=7.6.1
  - ghc=7.8.1

install:
  # Set up the Shell to treat the semicolon as &&
  - set -o pipefail && set -e
  # Install GHC and Cabal
  - travis_retry sudo add-apt-repository -y ppa:hvr/ghc
  - travis_retry sudo apt-get update
  - travis_retry sudo apt-get install cabal-install-1.18 ghc-$ghc
  - export PATH=/opt/ghc/$ghc/bin:/opt/cabal/1.18/bin:$PATH
  - cabal update
  # Install the lower bound dependencies
  - if [ $lower_bound_dependencies -eq 1 ];
    then
      cabal install "transformers == 0.2.*";
      cabal install "text == 1.0.*";
      cabal install "attoparsec == 0.10.*";
      cabal install "time == 1.4.*";
    fi;
  # Work around the "haskell-src-exts" implicit dependency:
  - cabal install happy
  # Switch to the distro:
  - export pkg_name=$(cabal info . | awk '{print $2;exit}');
    cabal sdist;
    cd dist;
    tar xzvf $pkg_name.tar.gz;
    cd $pkg_name;
  - cabal install --only-dependencies --enable-tests --enable-benchmarks
  - cabal configure --enable-tests --enable-benchmarks
  - cabal build


script:
  - cabal test --show-details=always