.travis.yml

language: c

# explicitly request container-based infrastructure
sudo: false

matrix:
  include:
    - env: CABALVER=1.16 GHCVER=7.6.3
      addons: {apt: {packages: [cabal-install-1.16,ghc-7.6.3], sources: [hvr-ghc]}}
    - env: CABALVER=1.18 GHCVER=7.8.4
      addons: {apt: {packages: [cabal-install-1.18,ghc-7.8.4], sources: [hvr-ghc]}}
    - env: CABALVER=1.22 GHCVER=7.10.2
      addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.2],sources: [hvr-ghc]}}
    - env: CABALVER=head GHCVER=head
      addons: {apt: {packages: [cabal-install-head,ghc-head],  sources: [hvr-ghc]}}

  allow_failures:
   - env: CABALVER=head GHCVER=head

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

install:
 - cabal --version
 - echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
 - travis_retry cabal update
 - cabal install --only-dependencies --enable-tests --enable-benchmarks

# Here starts the actual work to be performed for the package under test; any command which exits with a non-zero exit code causes the build to fail.
script:
 - cabal configure --enable-tests -v2  # -v2 provides useful information for debugging
 - cabal build   # this builds all libraries and executables (including tests/benchmarks)
 - cabal test
 # - cabal check
 - cabal sdist   # tests that a source-distribution can be generated

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

after_script:
  - cat dist/test/*.log