gnu.yml

name: GNU Linux Build
on: [push, pull_request, workflow_dispatch]

# Cancel in-progress workflows when pushing to a branch
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

env:
  cache_key: gnu11
  CC: gcc-10
  FC: gfortran-10
  CXX: g++-10


# Split into a steup step, and a WW3 build step which
# builds multiple switches in a matrix. The setup is run once and
# the environment is cached so each build of WW3 can share the dependencies.

jobs:
  setup:
    runs-on: ubuntu-latest

    steps:
      - name: checkout-ww3
        if: steps.cache-env.outputs.cache-hit != 'true'
        uses: actions/checkout@v3
        with:
            path: ww3
      # Cache spack, OASIS, and compiler
      # No way to flush Action cache, so key may have # appended
      - name: cache-env
        id: cache-env
        uses: actions/cache@v3
        with:
          path: |
            spack
            ~/.spack
            work_oasis3-mct
          key: spack-${{ runner.os }}-${{ env.cache_key }}-${{ hashFiles('ww3/model/ci/spack_gnu.yaml') }}

      # Build WW3 spack environment
      - name: install-dependencies-with-spack
        if: steps.cache-env.outputs.cache-hit != 'true'
        run: |
          # Install NetCDF, ESMF, g2, etc using Spack
          sudo apt install cmake
          git clone -c feature.manyFiles=true https://github.com/JCSDA/spack.git
          source spack/share/spack/setup-env.sh
          spack env create ww3-gnu ww3/model/ci/spack_gnu.yaml
          spack env activate ww3-gnu
          spack compiler find
          spack external find cmake
          spack add mpich@3.4.2
          spack concretize
          spack install --dirty -v

      - name: build-oasis
        if: steps.cache-env.outputs.cache-hit != 'true'
        run: |
          source spack/share/spack/setup-env.sh
          spack env activate ww3-gnu
          export WWATCH3_DIR=${GITHUB_WORKSPACE}/ww3/model
          export OASIS_INPUT_PATH=${GITHUB_WORKSPACE}/ww3/regtests/ww3_tp2.14/input/oasis3-mct
          export OASIS_WORK_PATH=${GITHUB_WORKSPACE}/ww3/regtests/ww3_tp2.14/input/work_oasis3-mct
          cd ww3/regtests/ww3_tp2.14/input/oasis3-mct/util/make_dir
          cmake .
          make VERBOSE=1
          cp -r ${GITHUB_WORKSPACE}/ww3/regtests/ww3_tp2.14/input/work_oasis3-mct ${GITHUB_WORKSPACE}

  build:
    needs: setup
    strategy:
      matrix:
        switch: [Ifremer1, NCEP_st2, NCEP_st4, ite_pdlib, NCEP_st4sbs, NCEP_glwu, OASACM, UKMO, MULTI_ESMF]
    runs-on: ubuntu-latest

    steps:
      - name: checkout-ww3
        uses: actions/checkout@v3
        with:
            path: ww3

      - name: cache-env
        id: cache-env
        uses: actions/cache@v3
        with:
          path: |
            spack
            ~/.spack
            work_oasis3-mct
          key: spack-${{ runner.os }}-${{ env.cache_key }}-${{ hashFiles('ww3/model/ci/spack_gnu.yaml') }}

      - name: build-ww3
        run: |
          source spack/share/spack/setup-env.sh
          spack env activate ww3-gnu
          cd ww3
          export CC=mpicc
          export FC=mpif90
          export OASISDIR=${GITHUB_WORKSPACE}/work_oasis3-mct
          mkdir build && cd build
          if [[ ${{ matrix.switch }} == "MULTI_ESMF" ]]; then
            cmake .. -DMULTI_ESMF=ON -DSWITCH=multi_esmf
          else
            cmake .. -DSWITCH=${{ matrix.switch }}
          fi
          make -j2 VERBOSE=1