.travis.yml

env:
 - CABALVER=1.22 GHCVER=7.10.2
 - CABALVER=1.18 GHCVER=7.8.4
 - CABALVER=1.18 GHCVER=7.6.3
 # Depency set frozen to be in sync with Debian Jessie Haskell packages.
 # Dependencies not present in Debian use the cabal solver. This includes
 # direct dependencies too.
 - CUSTOMSET=jessie
 # Direct dependencies set to the minimum bounds. Transitive depencies use
 # cabal solver.
 - CUSTOMSET=minimum
 # Minimum dependencies for direct depencies and Depency set frozen to be in
 # sync with Debian Jessie Haskell packages.  Dependencies not present in
 # Debian use the cabal solver.
 - CUSTOMSET=jessie-minimum
 - CABALVER=head GHCVER=head

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

before_install:
 - case "$CUSTOMSET" in
    "") ;;

    "jessie")
      export CABALVER=1.20 ;
      export GHCVER=7.6.3 ;
      mv cabal-deb.config cabal.config ;;

    "minimum")
      export CABALVER=1.20 ;
      export GHCVER=7.6.3 ;
      mv cabal-min.config cabal.config ;;

    "jessie-minimum")
      export CABALVER=1.20 ;
      export GHCVER=7.6.3 ;
      cat cabal-deb.config cabal-min.config > cabal.config ;;

    *)
      export GHCVER=unknown ;
      echo "unknown/invalid depency set requested" ;
      exit 1 ;;
    esac

 - 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

script:
 - if [ -f configure.ac ]; then autoreconf -i; fi
 - cabal configure --enable-tests -v2
 - cabal build
 - cabal test
 - cabal check
 - cabal sdist

 - 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