.travis.yml

language: cpp
sudo: required
dist: trusty

env:
  global:
    - BUILD_CMD='make VERBOSE=1'
    - TEST_CMD='ctest -T test --output-on-failure -V'
    - OMP_NUM_THREADS=4
    - MPI_CONFIG='CMAKE_CMD_EXTRA="-DMPIEXEC:FILEPATH=$(which mpirun) -DMPIEXEC_MAX_NUMPROCS=${MPI_PROCS}"'

# The apt packages below are needed but can no longer be installed with
# sudo apt-get.
addons:
  homebrew:
    packages: &osx_sources
      - gcc@7
      - fftw
    update: true

cache:
  directories:
    - $HOME/ci-helpers/spack
    - $HOME/ci-helpers/openmpi
    - $HOME/ci-helpers/mpich

matrix:
  fast_finish: true

  include:
  #   - os: osx
  #     osx_image: xcode10.1
  #     env:
  #       - TITLE="XCode 10.1 - GCC"
  #       - MPI=OFF
  #       - openMP=OFF

  #   - os: osx
  #     osx_image: xcode10.1
  #     env:
  #       - TITLE="XCode 10.1 - Clang"
  #       - MPI=OFF
  #       - openMP=OFF

  #   - os: osx
  #     osx_image: xcode10.1
  #     env:
  #       - TITLE="XCode 10.1 - GCC - MPI"
  #       - MPI=ON
  #       - openMP=OFF
  #       - MPI_PROCS=2
  #       - CI_HELPERS='spack'
  #     addons:
  #       homebrew:
  #         packages:
  #           - *osx_sources
  #           - modules
  #           - lmod

    - os: linux
      addons:
        apt:
          sources: &basic_sources
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-5.0
          packages:
            - &native_deps [ g++-7, clang-5.0, libtiff5-dev, libgomp1, libfftw3-dev ]
            # libtiff5-dev version 5 ?; libgomp1 version 4.8.4-2
            # libfftw3-dev version 3.3.3
            - &all_deps [ libboost-all-dev, libeigen3-dev, libyaml-cpp-dev ]
            # libboost-all-dev version 1.54; libeigen3-dev version 3.2.0
            # libcfitsio3-dev version 3.34; libyaml-cpp-dev version 0.5.1
            #   \-> We need CFITSIO 3.41, this could help to install other dependencies...
      env:
        - TITLE="All dependencies - GCC"
        - DEBUG=True
        - LDFLAGS='-pthread'
        - MPI=OFF
        - openMP=OFF

    - os: linux
      addons:
        apt:
          sources:
            - *basic_sources
          packages:
            - *native_deps
            - *all_deps
      env:
        - TITLE="All dependencies - GCC - OMP"
        - DEBUG=True
        - LDFLAGS='-pthread'
        - MPI=OFF
        - openMP=ON

    - os: linux
      addons:
        apt:
          sources:
            - *basic_sources
          packages:
            - *native_deps
            - *all_deps
            - lcov
      env:
        - TITLE="All dependencies - GCC - MPI"
        - DEBUG=True
        - LDFLAGS='-pthread'
        - MPI=ON
        - openMP=ON
        - MPI_PROCS=2
        - COVERAGE=ON
        - CI_HELPERS='openmpi'
        - MPI_EXTRA="--oversubscribe"

    # - os: linux
    #   addons:
    #     apt:
    #       sources:
    #         - *basic_sources
    #       packages:
    #         - *native_deps
    #         - *all_deps
    #   env:
    #     - TITLE="All dependencies - GCC - MPI - mpich"
    #     - DEBUG=True
    #     - LDFLAGS='-pthread'
    #     - MPI=ON
    #     - openMP=ON
    #     - MPI_PROCS=4
    #     - CI_HELPERS='mpich'

    # - os: linux
    #   addons:
    #     apt:
    #       sources:
    #         - *basic_sources
    #       packages:
    #         - *native_deps
    #   env:
    #     - TITLE="No dependencies - GCC - MPI"
    #     - DEBUG=True
    #     - LDFLAGS='-pthread'
    #     - MPI=ON
    #     - openMP=ON
    #     - MPI_PROCS=2
    #     - CI_HELPERS='openmpi'
    #     - MPI_EXTRA="--oversubscribe"

    - os: linux
      addons:
        apt:
          sources:
            - *basic_sources
          packages:
            - *native_deps
            - *all_deps
            - &all_casa [ flex, bison, libblas-dev, liblapack-dev, libcfitsio3-dev, wcslib-dev, gfortran, libncurses5-dev, libreadline6-dev, libhdf5-serial-dev, python-numpy, python3-numpy ]
      env:
        - TITLE="CASA: All dependencies - GCC"
        - DEBUG=True
        - LDFLAGS='-pthread'
        - Tests=ON
        - MPI=OFF
        - openMP=ON
        - CASA=ON
        - EXAMPLES=ON

    - os: linux
      addons:
        apt:
          sources:
            - *basic_sources
          packages:
            - *native_deps
            - *all_deps
      env:
        - TITLE="All dependencies - GCC - MPI - examples"
        - DEBUG=True
        - LDFLAGS='-pthread'
        - Tests=ON
        - MPI=ON
        - MPI_PROCS=2
        - openMP=ON
        - EXAMPLES=ON
        - TEST_CMD=''
        - CI_HELPERS='openmpi'
        - MPI_EXTRA="--oversubscribe"

    - os: linux
      services:
        - docker
      env:
        - TITLE="Documentation - GCC"
        - DOCS=ON
        - BUILD_CMD='make docweb VERBOSE=1'
      script:
        - chmod o+w . # To allow docker to create the build directory
        - docker run --rm -v $(pwd):/mydata uclrits/sopt /bin/sh -c "mkdir build; cd build; cmake .. -Ddocs=${DOCS} -Dweb=ON; eval ${BUILD_CMD}"

    # - os: linux
    #   addons:
    #     apt:
    #       sources:
    #         - *basic_sources
    #       packages:
    #         - *native_deps
    #   env:
    #     - TITLE="Lint"
    #     - DEBUG=True
    #     - LDFLAGS='-pthread'
    #     - MPI=OFF
    #     - openMP=OFF
    #     - DOCS=OFF
    #     - BUILD_CMD="find ../ -regex '.*\.\(cc\|h\)' -not -iname '*.in.h' | xargs -I{} -P 10 clang-format-7 -i -style=file {}; git diff"
    #     - TEST_CMD="git diff --exit-code || (echo '## NOTE: your code is not linted properly - fix the above'; false)"

  allow_failures:
    # Because boost error on finding files
    - os: osx
      osx_image: xcode10.1
      env:
        - TITLE="XCode 10.1 - GCC - MPI"
        - MPI=ON
        - openMP=OFF
        - MPI_PROCS=2
        - CI_HELPERS='spack'

deploy:
  provider: pages
  skip-cleanup: true
  github-token: $GITHUB_TOKEN  # Set in the settings page of your repository, as a secure variable
  keep-history: true
  local-dir: build/cpp/docs/html
  verbose: true # FIXME: just at first to see logs
  on:
    branch: development
    condition: $TITLE = "Documentation - GCC"

before_install:
  - while sleep 540 ; do echo "=========== make is taking more than 9m - pinging travis =========="; done & # cfits may take long to download
  - if [ $TRAVIS_OS_NAME = linux ]; then ClangVer="-5.0"; fi
  - if [[ ${TITLE} = *GCC* ]]; then CC=gcc-7; else CC=clang${ClangVer}; fi
  - if [[ ${TITLE} = *GCC* ]]; then CXX=g++-7; else CXX=clang++${ClangVer}; fi
  - echo "==================== ${TITLE} ====================="
  - if [[ ${TITLE} = *Documentation* ]]; then docker pull uclrits/sopt; fi


install:
  # Add CI-helpers and install the dependencies we need from them.
  - |
    if [ ! -z ${CI_HELPERS} ]; then
        git clone --depth 1 git://github.com/UCL-RITS/ci-helpers.git
        source ci-helpers/travis/setup.sh ${CI_HELPERS}
    fi
  # As MPI is not installed already, this variable is not set properly; this
  # way is set up for all the jobs in the same manner.
  - if [[ $MPI = ON ]]; then eval $MPI_CONFIG; echo $CMAKE_CMD_EXTRA;  fi

before_script:
  - |
    if [[ ${TITLE} = *Lint* ]]; then
        curl https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
        echo "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-7 main" | sudo tee -a /etc/apt/sources.list
        sudo apt-get update -y -qq
        sudo apt-get install clang-format-7
    fi

script:
  - pwd
  - mkdir build
  - cd build
  - |
    cmake .. -DCMAKE_BUILD_TYPE=Release \
    -Dtests=${Tests-ON} \
    -Ddompi=${MPI} \
    -Dexamples=${EXAMPLES-OFF} \
    -Dopenmp=${openMP} \
    -Ddocs=${DOCS-OFF} \
    -Ddocasa=${CASA-OFF} \
    -Dbenchmarks=${Benchmarks-OFF} \
    -Dcoverage=${COVERAGE-OFF} \
    -DPURIFY_TEST_LOG_LEVEL=${test_level-critical} \
    -DGreatCMakeCookOff_DIR:PATH=/tmp/GreatCMakeCookOff/cmake \
    -DCFitsIO_URL=https://github.com/UCL-RITS/BinaryBlobs-dependencies/raw/master/Astronomy/cfitsio3410.tar.gz \
    ${CMAKE_CMD_EXTRA} -DMPIEXEC_PREFLAGS="${MPI_EXTRA-}"
  - while sleep 540 ; do echo "=========== make is taking more than 9m - pinging travis =========="; done & # cfits may take long to download
  - eval $BUILD_CMD
  - eval $TEST_CMD
  - if [[ ${TITLE} != *Documentation* ]] && [[ ${TITLE} != *Lint* ]]; then sudo make install; fi

after_success:
  - if [ "${TITLE}" = "All dependencies - GCC - MPI" ]; then cd ..; bash .ci/coverage.sh; fi