.travis.yml

env:
 - GHCVER=7.8.1
 - GHCVER=7.8.2
 - GHCVER=7.8.3
#- GHCVER=head

before_install:
 - 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-$GHCVER hlint
 - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/1.18/bin:$PATH

install:
 - cabal update
 - cabal install --only-dependencies --enable-tests --enable-benchmarks

script:
 - cabal configure --enable-tests --enable-benchmarks -v2
 - cabal build
 - cabal test
 - cabal check
 - cabal sdist
 - hlint src
 - hlint test/Test

# The following scriptlet checks that the resulting source distribution
# can be built & installed
 - export SRC_TGZ=$(cabal-1.18 info . | awk '{print $2 ".tar.gz";exit}') ;
   cd dist/;
   if [ -f "$SRC_TGZ" ]; then
      cabal install "$SRC_TGZ";
   else
      echo "expected '$SRC_TGZ' not found";
      exit 1;
   fi