.travis.yml

# this file copied from https://github.com/treeowl/boxes/blob/master/.travis.yml

env:
 # - CABALVER=1.16 GHCVER=7.0.1
 # - CABALVER=1.16 GHCVER=7.0.4
 # - CABALVER=1.16 GHCVER=7.2.2
 # - CABALVER=1.16 GHCVER=7.4.2
 # we have to use CABALVER=1.16 for GHC<7.6 as well, as there's
 # no package for earlier cabal versions in the PPA
 - CABALVER=1.18 GHCVER=7.6.3
 - CABALVER=1.18 GHCVER=7.8.4
 - CABALVER=1.22 GHCVER=7.10.1
 - GHCVER=head  CABALVER=head

matrix:
  allow_failures:
   - env: GHCVER=head  CABALVER=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-$CABALVER ghc-$GHCVER
 - 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

script:
 - if [-f configure.ac ]; then autoreconf -i; fi
# -v2 provides useful information for debugging
 - cabal configure --enable-tests --enable-benchmarks -v2

# This builds all libraries and executables
# (including tests/benchmarks)
 - cabal build
 - cabal test
 - cabal check

# tests that a source distribution can be generated
 - cabal sdist
# 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