# See https://github.com/hvr/multi-ghc-travis for more information.

services:
  - mongodb

env:
 # We use CABALVER=1.22 everywhere because it uses the flag --enable-coverage
 # instead of --enable-library-coverage used by older versions.
 - GHCVER=7.6.3  CABALVER=1.22
 - GHCVER=7.8.4  CABALVER=1.22
 - GHCVER=7.10.1 CABALVER=1.22
 - GHCVER=head   CABALVER=head

matrix:
  allow_failures:
   # The text here should match the last line above exactly.
   - 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=$HOME/.cabal/bin:/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH
 - cabal --version

install:
 - travis_retry cabal update
 # Install the combined dependencies for this package and all other packages
 # needed to reduce conflicts.
 - cabal install hpc-coveralls
 - cabal sandbox init
 - cabal install --only-dependencies --enable-tests . hpc-coveralls

script:
 - cabal configure --enable-tests --enable-coverage -v2
 - cabal build
 # cabal test fails due a to hpc error. Using run-cabal-test instead.
 # - cabal test --show-details=always
 - run-cabal-test --show-details=always
 # Ignoring the exit code here. Need to register with coveralls.io?
 - hpc-coveralls --exclude-dir=test test || true
 # Ignoring the exit code here. cabal check recommends against
 # 'ghc-prof-options: -auto-all'.
 - cabal check || true
 - 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