continuous-integration.yml

name: Continuous Integration

on:
  push:
    branches:
      - main
      - develop
  pull_request:
    branches-ignore:
      - documentation
  workflow_dispatch:

defaults:
  run:
    # Enable Conda environment by using the login shell:
    shell: bash -leo pipefail {0}

jobs:
  CI:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-24.04, macos-13, macos-latest, windows-2022]
        gfortran-version: [12, 13, 14]
        gfortran-from: [system, conda]
        fpmodel: [DP, SP]
        exclude:
          - os: ubuntu-24.04
            gfortran-from: conda
          - os: macos-13
            gfortran-from: system
          - os: macos-13
            gfortran-version: 14
            gfortran-from: conda
          - os: macos-latest
            gfortran-from: system
          - os: macos-latest
            gfortran-version: 14
            gfortran-from: conda
          - os: windows-2022
        include:
          - os: ubuntu-24.04
            gfortran-version: 13
            gfortran-from: conda
            fpmodel: DP
          - os: windows-2022
            gfortran-version: 13
            gfortran-from: conda
            fpmodel: DP
          - os: windows-2022
            gfortran-version: 13
            gfortran-from: conda
            fpmodel: SP
          - os: windows-2022
            gfortran-version: 14
            gfortran-from: conda
            fpmodel: DP
          - os: windows-2022
            gfortran-version: 14
            gfortran-from: conda
            fpmodel: SP
    env:
      FC: gfortran-${{ matrix.gfortran-version }}
      FFLAGS: "-m64 -std=f2008 -march=native -fbounds-check -fmodule-private -fimplicit-none -finit-real=nan"
      CMAKE_BUILD_PARALLEL_LEVEL: 8
      VERBOSE:
      CTEST_PARALLEL_LEVEL: 8
      CTEST_OUTPUT_ON_FAILURE: 1
    runs-on: ${{ matrix.os }}
    steps:
      #
      # Check out repository under $GITHUB_WORKSPACE
      #
      - name: Check out code
        uses: actions/checkout@v4
      #
      # Cache Conda packages
      #
      - name: Cache Conda packages
        uses: actions/cache@v4
        with:
          path: ~/conda_pkgs_dir
          key: conda-pkgs-${{ matrix.os }}
      #
      # Set up Conda
      #
      - name: Set up Conda
        uses: conda-incubator/setup-miniconda@v3
        with:
          miniforge-version: latest
          activate-environment: rte_rrtmgp_test
          environment-file: environment-noplots.yml
          python-version: 3.11
          auto-activate-base: false
          # Use the cache properly:
          use-only-tar-bz2: false
      #
      # Install compiler
      #
      - name: Install compiler
        if: matrix.gfortran-from == 'conda'
        run: |
          conda install -c conda-forge gfortran=${{ matrix.gfortran-version }} -y
          echo "FC=gfortran" >> "$GITHUB_ENV"
      #
      # Install dependencies
      #
      - name: Install dependencies
        run: conda install -c conda-forge netcdf-fortran ninja -y
      #
      # Adjust toolchain
      #
      - name: Adjust toolchain
        if: matrix.os == 'windows-2022'
        run: echo "FC=${FC}.exe" >> "$GITHUB_ENV"
      #
      # Build libraries, examples, and tests
      #
      - name: Build libraries and tests
        run: |
          cmake -S . -B build -G "Ninja" \
              -DCMAKE_BUILD_TYPE=RelWithDebInfo \
              -DRTE_ENABLE_SP="$(test '${{ matrix.fpmodel }}' = SP && echo ON || echo OFF)" \
              -DBUILD_TESTING=ON
          cmake --build build
      #
      # Run examples, tests and checks
      #
      - name: Run examples, tests and checks
        working-directory: build
        run: ctest