lint_hosted.yml

name: Lint the Fortran code and the MEX gateways on GitHub hosted runners

on:
  # Trigger the workflow on push or pull request
  #push:
  #pull_request:  # DANGEROUS! MUST be disabled for self-hosted runners!
  # Trigger the workflow by cron. The default time zone of GitHub Actions is UTC.
  schedule:
    - cron: '0 17 * * *'
  # Trigger the workflow manually
  workflow_dispatch:
    inputs:
      git-ref:
        description: Git Ref (Optional)
        required: false

# Show the git ref in the workflow name if it is invoked manually.
run-name: ${{ github.event_name == 'workflow_dispatch' && format('Manual run {0}', inputs.git-ref) || '' }}


jobs:

  test:
    name: Lint the Fortran code
    runs-on: ubuntu-latest
    continue-on-error: true
    strategy:
      fail-fast: false
      matrix:
        linter: [flint, mlint]
        solver: [newuoa, cobyla, lincoa, bobyqa, uobyqa]

    steps:

      - name: Run `sudo apt update`
        run: sudo apt update  # Otherwise, free-disk-space or other actions relying on `apt` may fail

      - name: Free disk space
        uses: jlumbroso/free-disk-space@main
        with:
          # all of these default to true, but feel free to set to "false" if necessary for your workflow
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: false  # Important, or the runner may be shut down due to memory starvation.

      - name: Clone Repository (Latest)
        uses: actions/checkout@v4
        if: github.event.inputs.git-ref == ''
        with:
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY_ACT }} # This forces checkout to use SSH, not HTTPS
          submodules: recursive
      - name: Clone Repository (Custom Ref)
        uses: actions/checkout@v4
        if: github.event.inputs.git-ref != ''
        with:
          ref: ${{ github.event.inputs.git-ref }}
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY_ACT }} # This forces checkout to use SSH, not HTTPS
          submodules: recursive

      - name: Miscellaneous setup
        run: bash .github/scripts/misc_setup

      - name: Set up MATLAB
        id: set-up-matlab
        if: ${{ matrix.linter == 'mlint' }}
        uses: matlab-actions/setup-matlab@v2-beta
        with:
          release: latest

      - name: Get fintrf.h and remove MATLAB
        if: ${{ matrix.linter == 'mlint' }}
        run: |
          MATLABROOT=${{steps.set-up-matlab.outputs.matlabroot}}
          # fintrf.h must be located under a directory "extern/include/", or mlint cannot find it.
          mkdir -p ~/extern/include/
          cp "$MATLABROOT"/extern/include/fintrf.h ~/extern/include/ || exit 2
          sudo chmod 777 ~/extern/include/fintrf.h || exit 3
          # Remove MATLAB, or the runner will run out of space.
          sudo rm -rf "$MATLABROOT"/* || exit 4
          # mlint uses `locate` to find fintrf.h
          sudo apt update && sudo apt install mlocate -y && sudo updatedb
          locate '/extern/include/fintrf.h' || exit 5

      - name: Install AOCC
        run: bash .github/scripts/install_aocc

      - name: Install gfortran
        uses: fortran-lang/setup-fortran@main
        id: setup-fortran
        with:
          compiler: gcc
          version: ${{ env.GFORTRAN_VERSION }}

      - name: Install Intel oneAPI
        run: bash .github/scripts/install_oneapi_linux.sh

      - name: Install g95
        run: bash .github/scripts/install_g95

      - name: Install nvfortran
        run: bash .github/scripts/install_nvfortran

      - name: Install Oracle sunf95
        run: bash .github/scripts/install_sunf95

      # Install Flang after AOCC, to make sure that flang is this one, while AOCC flang will be
      # known as aflang.
      - name: Install Flang
        run: bash .github/scripts/install_flang

      - name: Conduct the test
        run: |
          type gfortran ifort ifx aflang g95 nvfortran sunf95 flang
          cd "$ROOT_DIR"/fortran/${{ matrix.solver }} && bash ./${{ matrix.linter }} --all

      - name: Remove the test data
        if: always()  # Always run even if the workflow is canceled manually or due to overtime.
        run: rm -rf ${{ env.TEST_DIR }}

  # The following job check whether the tests were successful or cancelled due to timeout.
  # N.B.: Remember to specify `continue-on-error: true` for the job of the tests.
  check_success_timeout:
    runs-on: ubuntu-latest
    if: ${{ !cancelled() }}
    needs: test
    steps:
      - name: Clone the GitHub actions scripts
        uses: actions/checkout@v4
        with:
          repository: equipez/github_actions_scripts
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY_ACT }} # This forces checkout to use SSH, not HTTPS
          path: scripts

      - name: Check whether the tests were successful or cancelled due to timeout
        run: bash scripts/check_success_timeout ${{ secrets.GITHUB_TOKEN }} ${{ github.repository }} ${{ github.run_id }}