# NB: don't set `language: haskell` here

# The following enables several GHC versions to be tested; often it's enough to
# test only against the last release in a major GHC version. Feel free to omit
# lines listings versions you don't need/want testing for.
env:
 - GHCVER=7.4.2
 - GHCVER=7.6.3
 - GHCVER=7.8.4
 - GHCVER=7.10.3
 - GHCVER=8.0.1 TEST_OLDER=YES
 # TODO add PARSEC_BUNDLED=YES when it's so
 - GHCVER=head

# Note: the distinction between `before_install` and `install` is not important.
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-1.24 ghc-$GHCVER-prof ghc-$GHCVER-dyn happy
 - if [ "$TEST_OLDER" == "YES" ]; then travis_retry sudo apt-get install ghc-7.0.4-prof ghc-7.0.4-dyn ghc-7.2.2-prof ghc-7.2.2-dyn; fi
 - export PATH=$HOME/.cabal/bin:/opt/ghc/$GHCVER/bin:/opt/cabal/1.24/bin:$PATH
 - git version

install:
 - cabal update
 # We intentionally do not install anything before trying to build Cabal because
 # it should build with each supported GHC version out-of-the-box.

# 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. Using
# ./dist/setup/setup here instead of cabal-install to avoid breakage when the
# build config format changed.
script:
 - ./travis-script.sh

matrix:
  allow_failures:
   - env: GHCVER=head