.travis.yml

# From http://docs.haskellstack.org/en/stable/GUIDE/#travis-with-caching

sudo: false
language: c

cache:
  directories:
  - $HOME/.ghc
  - $HOME/.cabal
  - $HOME/.stack

matrix:
  include:
  - env: BUILD=cabal GHCVER=7.8.4 CABALVER=1.18
    compiler: ": #GHC 7.8.4"
    addons: {apt: {packages: [cabal-install-1.18,ghc-7.8.4], sources: [hvr-ghc]}}
  - env: BUILD=cabal GHCVER=7.10.3 CABALVER=1.22
    compiler: ": #GHC 7.10.3"
    addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.3], sources: [hvr-ghc]}}
  - env: BUILD=cabal GHCVER=8.0.1 CABALVER=1.24
    compiler: ": #GHC 8.0.1"
    addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.1], sources: [hvr-ghc]}}

  # Build with the newest GHC and cabal-install. This is an accepted failure,
  # see below.
  - env: BUILD=cabal GHCVER=head  CABALVER=head
    compiler: ": #GHC HEAD"
    addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}}

  # The Stack builds. We can pass in arbitrary Stack arguments via the ARGS
  # variable, such as using --stack-yaml to point to a different file.
  - env: BUILD=stack ARGS=""
    compiler: ": #stack default"
    addons: {apt: {packages: [ghc-7.10.3], sources: [hvr-ghc]}}

  - env: BUILD=stack ARGS="--resolver lts-2"
    compiler: ": #stack 7.8.4"
    addons: {apt: {packages: [ghc-7.8.4], sources: [hvr-ghc]}}

  - env: BUILD=stack ARGS="--resolver lts-3"
    compiler: ": #stack 7.10.2"
    addons: {apt: {packages: [ghc-7.10.2], sources: [hvr-ghc]}}

  - env: BUILD=stack ARGS="--resolver lts-5"
    compiler: ": #stack 7.10.3"
    addons: {apt: {packages: [ghc-7.10.3], sources: [hvr-ghc]}}

  # Nightly builds are allowed to fail
  - env: BUILD=stack ARGS="--resolver nightly"
    compiler: ": #stack nightly"
    addons: {apt: {packages: [libgmp,libgmp-dev]}}

  # Build on OS X in addition to Linux
  - env: BUILD=stack ARGS=""
    compiler: ": #stack default osx"
    os: osx

  - env: BUILD=stack ARGS="--resolver lts-2"
    compiler: ": #stack 7.8.4 osx"
    os: osx

  - env: BUILD=stack ARGS="--resolver lts-3"
    compiler: ": #stack 7.10.2 osx"
    os: osx

  - env: BUILD=stack ARGS="--resolver lts-5"
    compiler: ": #stack 7.10.3 osx"
    os: osx

  - env: BUILD=stack ARGS="--resolver nightly"
    compiler: ": #stack nightly osx"
    os: osx

  allow_failures:
  - env: BUILD=cabal GHCVER=head  CABALVER=head
  - env: BUILD=stack ARGS="--resolver nightly"

before_install:
- unset CC

# We want to always allow newer versions of packages when building on GHC HEAD
- CABALARGS=""
- if [ "x$GHCVER" = "xhead" ]; then CABALARGS=--allow-newer; fi

# Download and unpack the stack executable
- export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$HOME/.local/bin:$HOME/.cabal/bin:$PATH
- mkdir -p ~/.local/bin
- |
  if [ `uname` = "Darwin" ]
  then
    travis_retry curl --insecure -L https://www.stackage.org/stack/osx-x86_64 | tar xz --strip-components=1 --include '*/stack' -C ~/.local/bin
  else
    travis_retry curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
  fi

  # Use the more reliable S3 mirror of Hackage
  mkdir -p $HOME/.cabal
  echo 'remote-repo: hackage.haskell.org:http://hackage.fpcomplete.com/' > $HOME/.cabal/config
  echo 'remote-repo-cache: $HOME/.cabal/packages' >> $HOME/.cabal/config

  if [ "$CABALVER" != "1.16" ]
  then
    echo 'jobs: $ncpus' >> $HOME/.cabal/config
  fi

# Get the list of packages from the stack.yaml file
- PACKAGES=$(stack --install-ghc query locals | grep '^ *path' | sed 's@^ *path:@@')

install:
- echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
- if [ -f configure.ac ]; then autoreconf -i; fi
- |
  set -ex
  case "$BUILD" in
    stack)
      stack --no-terminal --install-ghc $ARGS test --bench --only-dependencies
      ;;
    cabal)
      cabal --version
      travis_retry cabal update
      cabal install --only-dependencies --enable-tests --enable-benchmarks --force-reinstalls --ghc-options=-O0 --reorder-goals --max-backjumps=-1 $CABALARGS $PACKAGES
      ;;
  esac
  set +ex

script:
- |
  set -ex
  case "$BUILD" in
    stack)
      stack --no-terminal $ARGS test --bench --no-run-benchmarks --haddock --no-haddock-deps
      ;;
    cabal)
      cabal install --enable-tests --enable-benchmarks --force-reinstalls --ghc-options=-O0 --reorder-goals --max-backjumps=-1 $CABALARGS $PACKAGES

      ORIGDIR=$(pwd)
      for dir in $PACKAGES
      do
        cd $dir
        cabal check || [ "$CABALVER" == "1.16" ]
        cabal sdist
        SRC_TGZ=$(cabal info . | awk '{print $2;exit}').tar.gz && \
          (cd dist && cabal install --force-reinstalls "$SRC_TGZ")
        cd $ORIGDIR
      done
      ;;
  esac
  set +ex