.travis.yml

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

language: c

dist: trusty
sudo: false

addons:
  apt:
    sources: &apt_sources
      - hvr-ghc
    packages: &apt_packages
      - build-essential
      - autoconf
      - libtool
      - libgflags-dev
      - libgtest-dev
      - libc++-dev
      # for c2hs
      - alex-3.1.7
      - happy-1.19.5

cache:
  directories:
    - $HOME/.cabal/lib
    - $HOME/.cabal/packages
    - $HOME/.cabal/share
    - $HOME/.cabal/store

matrix:
  include:
    - env: CABALVER=1.24 GHCVER=7.10.3
      addons: {apt: {packages: [*apt_packages, cabal-install-1.24, ghc-7.10.3], sources: [*apt_sources]}}
    - env: CABALVER=1.24 GHCVER=8.0.2
      addons: {apt: {packages: [*apt_packages, cabal-install-1.24, ghc-8.0.2], sources: [*apt_sources]}}
    - env: CABALVER=head GHCVER=head
      addons: {apt: {packages: [*apt_packages, cabal-install-head, ghc-head],  sources: [*apt_sources]}}

  allow_failures:
    - env: CABALVER=head GHCVER=head

before_install:
 - export PATH=/opt/alex/3.1.7/bin:/opt/happy/1.19.5/bin:$PATH
 - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH
 - (which alex; which happy; which ghc; which cabal)
 - (ghc --version; cabal --version)
 - travis_retry cabal update
 # Unfortunately it seems we have to fetch the full repository to be able to
 # clone it to create our workspace. We would be OK with a shallow repository
 # if we could make git to clone it.
 - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi

install:
 - mkdir workspace
 - envsubst < cabal.project.travis > workspace/cabal.project
 - cd workspace
 - git clone --depth=1 .. grpc-haskell
 - git clone --depth=1 https://github.com/haskell/c2hs
 - (cd c2hs; git log -1; cabal install --prefix=$TRAVIS_BUILD_DIR/workspace/local)
 - export PATH=$TRAVIS_BUILD_DIR/workspace/local/bin:$PATH
 - which c2hs
 - git clone --depth=1 --recursive https://github.com/grpc/grpc grpc
 # reduce memory footprint with -jN. Using more memory may cause failures.
 - (cd grpc; git log -1; make shared_c static_c -j2)
 # build haskell library/executables as early as we can
 - cabal new-build --only-dependencies grpc
 # only then build the time consuming interop_server.
 # reduce memory footprint with -jN. Using more memory may cause failures.
 - (cd grpc; make interop_server -j2)
 # launch interop_server in the background
 - (grpc/bins/opt/interop_server --port=5050 &)

script:
 - cabal new-build -v grpc
 # run the haskell interop client against the C++ server.
 # cabal-install doesn't yet have nix-style 'cabal run', find executable by hand.
 - export LD_LIBRARY_PATH=$TRAVIS_BUILD_DIR/workspace/grpc/libs/opt:LD_LIBRARY_PATH
 - dist-newstyle/build/grpc-*/build/interop_client/interop_client --server_host=localhost --server_port=5050 --test_case=all

notifications:
  email:
    - kolmodin@google.com