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#
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name: MATLAB

on:
  push:
    paths:
      - '.github/workflows/matlab.yml'
      - 'ci/scripts/matlab*.sh'
      - 'matlab/**'
      - 'cpp/src/arrow/**'
  pull_request:
    paths:
      - '.github/workflows/matlab.yml'
      - 'ci/scripts/matlab*.sh'
      - 'matlab/**'
      - 'cpp/src/arrow/**'

concurrency:
  group: ${{ github.repository }}-${{ github.ref }}-${{ github.workflow }}
  cancel-in-progress: true

jobs:

  matlab:
    name: AMD64 Ubuntu 20.04 MATLAB 
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Fetch Submodules and Tags
        run: ci/scripts/util_checkout.sh
      - name: Install ninja-build
        run: sudo apt-get install ninja-build
      - name: Install MATLAB
        uses: matlab-actions/setup-matlab@v0
      - name: Build MATLAB Interface
        run: ci/scripts/matlab_build.sh $(pwd)
      - name: Run MATLAB Tests
        env: 
          # libarrow.so requires a more recent version of libstdc++.so
          # than is bundled with MATLAB under <matlabroot>/sys/os/glnxa64.
          # Therefore, if a MEX function that depends on libarrow.so
          # is executed within the MATLAB address space, runtime linking
          # errors will occur. To work around this issue, we can explicitly
          # force MATLAB to use the system libstdc++.so via LD_PRELOAD.
          LD_PRELOAD: /usr/lib/x86_64-linux-gnu/libstdc++.so.6
        uses: matlab-actions/run-tests@v1
        with:
          select-by-folder: matlab/test